1 | <?php |
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2 | require_once (GALAXIA_LIBRARY.SEP.'src'.SEP.'common'.SEP.'Base.php'); |
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3 | require_once(GALAXIA_LIBRARY . SEP . 'src' . SEP . 'ProcessManager' . SEP . 'ActivityManager.php'); |
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4 | |
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5 | /** |
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6 | * This class represents a process instance, it is used when any activity is |
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7 | * executed. The $instance object is created representing the instance of a |
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8 | * process being executed in the activity or even a to-be-created instance |
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9 | * if the activity is a start activity |
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10 | * |
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11 | * @package Galaxia |
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12 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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13 | */ |
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14 | class Instance extends Base { |
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15 | /** |
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16 | * @var array $changed Changed instance object's members |
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17 | * @access protected |
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18 | */ |
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19 | var $changed = Array('properties' => Array(), 'nextActivity' => Array(), 'nextUser' => Array()); |
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20 | /** |
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21 | * @var array $properties Instance properties |
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22 | * @access protected |
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23 | */ |
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24 | var $properties = Array(); |
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25 | /** |
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26 | * @var array $cleared Used to detect conflicts on sync with the database |
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27 | * @access protected |
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28 | */ |
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29 | var $cleared = Array(); |
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30 | /** |
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31 | * @var string $owner Instance owner |
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32 | * @access protected |
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33 | */ |
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34 | var $owner = ''; |
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35 | /** |
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36 | * @var string $status Instance status |
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37 | * @access protected |
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38 | */ |
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39 | var $status = ''; |
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40 | /** |
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41 | * @var bool $started |
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42 | * @access protected |
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43 | */ |
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44 | var $started; |
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45 | /** |
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46 | * @var array $nextActivity |
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47 | * @access protected |
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48 | */ |
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49 | var $nextActivity=Array(); |
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50 | /** |
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51 | * @var string $nextUser |
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52 | * @access protected |
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53 | */ |
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54 | var $nextUser; |
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55 | /** |
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56 | * @var bool $ended |
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57 | * @access protected |
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58 | */ |
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59 | var $ended; |
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60 | /** |
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61 | * @var string $name Instance name |
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62 | * @access protected |
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63 | */ |
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64 | var $name=''; |
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65 | /** |
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66 | * @var string $category Instance category |
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67 | * @access protected |
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68 | */ |
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69 | var $category; |
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70 | /** |
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71 | * @var int $prioryty Instance priority |
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72 | * @access protected |
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73 | */ |
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74 | var $priority = 1; |
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75 | |
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76 | /** |
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77 | * @var bool $isChildInstance Indicates wether the current instance is a child instance or not |
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78 | * @access public |
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79 | */ |
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80 | var $isChildInstance = false; |
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81 | /** |
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82 | * @var bool $parentLock Indicates wether the parent instance depends on the child instance or not |
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83 | * @access public |
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84 | */ |
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85 | var $parentLock = false; |
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86 | /** |
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87 | * @var int $parentInstanceId The instance ID of the parent instance |
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88 | * @access public |
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89 | */ |
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90 | var $parentInstanceId; |
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91 | |
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92 | /** |
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93 | * @var array $activities Array of assocs(activityId, status, started, ended, user, name, interactivity, autorouting) |
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94 | * @access protected |
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95 | */ |
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96 | var $activities = Array(); |
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97 | /** |
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98 | * @var int $pIdProcess id |
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99 | * @access protected |
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100 | */ |
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101 | var $pId; |
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102 | /** |
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103 | * @var int $instanceId Instance id |
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104 | * @access protected |
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105 | */ |
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106 | var $instanceId = 0; |
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107 | /** |
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108 | * @var array $workitems An array of workitem ids, date, duration, activity name, user, activity type and interactivity |
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109 | * @access protected |
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110 | */ |
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111 | var $workitems = Array(); |
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112 | /** |
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113 | * @var object $security Performs some tests and locks |
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114 | * @access protected |
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115 | */ |
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116 | var $security; |
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117 | /** |
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118 | * @var bool $__activity_completed Internal reminder |
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119 | * @access protected |
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120 | */ |
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121 | var $__activity_completed=false; |
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122 | /** |
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123 | * @var bool $unsynch indicator, if true we are not synchronised in the memory object with the database |
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124 | * @see sync() |
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125 | * @access protected |
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126 | */ |
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127 | var $unsynch=false; |
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128 | |
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129 | /** |
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130 | * Constructor |
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131 | * |
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132 | * @param object $db ADOdb object |
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133 | * @access public |
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134 | */ |
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135 | |
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136 | var $activityID = null; |
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137 | function Instance() |
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138 | { |
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139 | $this->child_name = 'Instance'; |
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140 | parent::Base(); |
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141 | } |
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142 | |
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143 | /** |
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144 | * Method used to load an instance data from the database. |
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145 | * This function will load/initialize members of the instance object from the database |
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146 | * it will populatae all members and will by default populate the related activities array |
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147 | * and the workitems (history) array. |
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148 | * |
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149 | * @param int $instanceId |
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150 | * @param bool $load_activities true by default, do we need to reload activities from the database? |
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151 | * @param bool $load_workitems true by default, do we need to reload workitems from the database? |
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152 | * @return bool |
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153 | * @access protected |
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154 | */ |
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155 | function getInstance($instanceId, $load_activities=true, $load_workitems=true) |
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156 | { |
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157 | if (!($instanceId)) return true; //start activities for example - pseudo instances |
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158 | // Get the instance data |
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159 | $query = "select * from `".GALAXIA_TABLE_PREFIX."instances` where `wf_instance_id`=?"; |
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160 | $result = $this->query($query,array((int)$instanceId)); |
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161 | if( empty($result) || (!$result->numRows())) return false; |
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162 | $res = $result->fetchRow(); |
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163 | |
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164 | //Populate |
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165 | $this->properties = unserialize(base64_decode($res['wf_properties'])); |
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166 | $this->status = $res['wf_status']; |
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167 | $this->pId = $res['wf_p_id']; |
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168 | $this->instanceId = $res['wf_instance_id']; |
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169 | $this->priority = $res['wf_priority']; |
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170 | $this->owner = $res['wf_owner']; |
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171 | $this->started = $res['wf_started']; |
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172 | $this->ended = $res['wf_ended']; |
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173 | $this->nextActivity = unserialize(base64_decode($res['wf_next_activity'])); |
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174 | $this->nextUser = unserialize(base64_decode($res['wf_next_user'])); |
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175 | $this->name = $res['wf_name']; |
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176 | $this->category = $res['wf_category']; |
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177 | |
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178 | // Get the activities where the instance is (nothing for start activities) |
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179 | if ($load_activities) |
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180 | { |
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181 | $this->_populate_activities($instanceId); |
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182 | |
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183 | } |
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184 | |
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185 | // Get the workitems where the instance is |
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186 | if ($load_workitems) |
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187 | { |
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188 | $query = "select wf_item_id, wf_order_id, gw.wf_instance_id, gw.wf_activity_id, wf_started, wf_ended, gw.wf_user, |
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189 | ga.wf_name, ga.wf_type, ga.wf_is_interactive |
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190 | from ".GALAXIA_TABLE_PREFIX."workitems gw |
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191 | INNER JOIN ".GALAXIA_TABLE_PREFIX."activities ga ON ga.wf_activity_id = gw.wf_activity_id |
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192 | where wf_instance_id=? order by wf_order_id ASC"; |
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193 | $result = $this->query($query,array((int)$instanceId)); |
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194 | if (!(empty($result))) |
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195 | { |
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196 | while($res = $result->fetchRow()) |
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197 | { |
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198 | $this->workitems[]=$res; |
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199 | } |
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200 | } |
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201 | return true; |
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202 | } |
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203 | |
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204 | } |
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205 | |
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206 | /** |
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207 | * Loads all activities related to the insance given in parameter in the activities array |
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208 | * |
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209 | * @access private |
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210 | * @param int $instanceId |
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211 | */ |
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212 | function _populate_activities($instanceId) |
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213 | { |
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214 | $this->activities=Array(); |
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215 | $query = "select gia.wf_activity_id, gia.wf_instance_id, wf_started, wf_ended, wf_started, wf_user, wf_status, |
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216 | ga.wf_is_autorouted, ga.wf_is_interactive, ga.wf_name, ga.wf_type |
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217 | from ".GALAXIA_TABLE_PREFIX."instance_activities gia |
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218 | INNER JOIN ".GALAXIA_TABLE_PREFIX."activities ga ON ga.wf_activity_id = gia.wf_activity_id |
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219 | where wf_instance_id=?"; |
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220 | $result = $this->query($query,array((int)$instanceId)); |
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221 | if (!(empty($result))) |
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222 | { |
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223 | while($res = $result->fetchRow()) |
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224 | { |
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225 | $this->activities[] = $res; |
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226 | } |
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227 | } |
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228 | } |
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229 | |
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230 | /** |
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231 | * Performs synchronization on an instance member |
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232 | * |
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233 | * @param bool $changed |
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234 | * @param array $init |
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235 | * @param array $actual |
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236 | * @param string $name |
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237 | * @param string $fieldname |
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238 | * @param array $namearray |
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239 | * @param array $vararray |
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240 | * @return void |
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241 | * @access private |
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242 | */ |
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243 | function _synchronize_member(&$changed,&$init,&$actual,$name,$fieldname,&$namearray,&$vararray) |
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244 | { |
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245 | //if we work with arrays then it's more complex |
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246 | //echo "<br>$name is_array?".(is_array($changed)); _debug_array($changed); |
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247 | if (!(is_array($changed))) |
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248 | { |
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249 | if (isset($changed)) |
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250 | { |
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251 | //detect unsynchro |
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252 | if (!($actual==$init)) |
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253 | { |
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254 | $this->error[] = tra('Instance: unable to modify %1, someone has changed it before us', $name); |
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255 | } |
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256 | else |
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257 | { |
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258 | $namearray[] = $fieldname; |
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259 | $vararray[] = $changed; |
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260 | $actual = $changed; |
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261 | } |
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262 | unset ($changed); |
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263 | } |
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264 | } |
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265 | else //we are working with arrays (properties for example) |
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266 | { |
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267 | $modif_done = false; |
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268 | foreach ($changed as $key => $value) |
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269 | { |
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270 | //detect unsynchro |
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271 | if (!($actual[$key]==$init[$key])) |
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272 | { |
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273 | $this->error[] = tra('Instance: unable to modify %1 [%2], someone has changed it before us', $name, $key); |
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274 | } |
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275 | else |
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276 | { |
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277 | $actual[$key] = $value; |
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278 | $modif_done = true; |
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279 | } |
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280 | } |
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281 | if ($modif_done) //at least one modif |
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282 | { |
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283 | $namearray[] = $fieldname; |
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284 | //no more serialize, done by the core security_cleanup |
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285 | $vararray[] = $actual; //serialize($actual); |
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286 | } |
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287 | $changed=Array(); |
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288 | } |
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289 | } |
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290 | |
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291 | /** |
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292 | * Synchronize thes instance object with the database. All change smade will be recorded except |
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293 | * conflicting ones (changes made on members or properties that has been changed by another source |
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294 | * --could be another 'instance' of this instance or an admin form-- since the last call of sync() ) |
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295 | * the unsynch private member is used to test if more heavy tests should be done or not |
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296 | * pseudo instances (start, standalone) are not synchronised since there is no record on database |
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297 | * |
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298 | * @access public |
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299 | * @return bool |
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300 | */ |
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301 | function sync() |
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302 | { |
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303 | if ( (!($this->instanceId)) || (!($this->unsynch)) ) |
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304 | { |
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305 | //echo "<br>nothing to do ".$this->unsynch; |
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306 | return true; |
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307 | } |
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308 | //echo "<br> synch!";_debug_array($this->changed); |
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309 | //do it in a transaction, can have several activities running |
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310 | $this->db->StartTrans(); |
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311 | //we need to make a row lock now, |
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312 | $where = 'wf_instance_id='.(int)$this->instanceId; |
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313 | if (!($this->db->RowLock(GALAXIA_TABLE_PREFIX.'instances', $where))) |
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314 | { |
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315 | $this->error[] = 'sync: '.tra('failed to obtain lock on %1 table', 'instances'); |
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316 | $this->db->FailTrans(); |
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317 | } |
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318 | else |
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319 | { |
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320 | //wf_p_id and wf_instance_id are set in creation only. |
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321 | //we remember initial values |
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322 | $init_properties = $this->properties; |
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323 | $init_status = $this->status; |
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324 | $init_priority = $this->priority; |
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325 | $init_owner = $this->owner; |
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326 | $init_started = $this->started; |
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327 | $init_ended = $this->ended; |
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328 | $init_nextUser = $this->nextUser; |
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329 | $init_nextActivity = $this->nextActivity; |
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330 | $init_name = $this->name; |
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331 | $init_category = $this->category; |
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332 | // we re-read instance members to detect conflicts, changes made while we were unsynchronised |
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333 | $this->getInstance($this->instance_id, false, false); |
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334 | // Now for each modified field we'll change the database vale if nobody has changed |
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335 | // the database value before us |
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336 | // (Drovetto) Inclusion of the nextUser field in the synchronization |
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337 | $bindvars = Array(); |
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338 | $querysets = Array(); |
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339 | $queryset = ''; |
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340 | $this->_synchronize_member($this->changed['status'],$init_status,$this->status,tra('status'),'wf_status',$querysets,$bindvars); |
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341 | $this->_synchronize_member($this->changed['priority'],$init_priority,$this->priority,tra('priority'),'wf_priority',$querysets,$bindvars); |
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342 | $this->_synchronize_member($this->changed['owner'],$init_owner,$this->owner,tra('owner'),'wf_owner',$querysets,$bindvars); |
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343 | $this->_synchronize_member($this->changed['started'],$init_started,$this->started,tra('started'),'wf_started',$querysets,$bindvars); |
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344 | $this->_synchronize_member($this->changed['ended'],$init_ended,$this->ended,tra('ended'),'wf_ended',$querysets,$bindvars); |
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345 | $this->_synchronize_member($this->changed['name'],$init_name,$this->name,tra('name'),'wf_name',$querysets,$bindvars); |
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346 | $this->_synchronize_member($this->changed['category'],$init_category,$this->category,tra('category'),'wf_category',$querysets,$bindvars); |
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347 | $this->_synchronize_member($this->changed['properties'],$init_properties,$this->properties,tra('property'),'wf_properties',$querysets,$bindvars); |
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348 | $this->_synchronize_member($this->changed['nextUser'],$init_nextUser,$this->nextUser,tra('next user'),'wf_next_user',$querysets,$bindvars); |
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349 | $this->_synchronize_member($this->changed['nextActivity'],$init_nextActivity,$this->nextActivity,tra('next activity'),'wf_next_activity',$querysets,$bindvars); |
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350 | /* remove unsetted properties */ |
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351 | if (($propertiesIndex = array_search("wf_properties", $querysets)) !== false) |
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352 | foreach ($this->cleared as $clearedName) |
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353 | unset($bindvars[$propertiesIndex][$clearedName]); |
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354 | /* remove unsetted nextUser */ |
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355 | if (($nextUserIndex = array_search("wf_next_user", $querysets)) !== false) |
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356 | foreach ($bindvars[$nextUserIndex] as $nextUserKey => $nextUserValue) |
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357 | if ($bindvars[$nextUserIndex][$nextUserKey] == '__UNDEF__') |
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358 | { |
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359 | unset($bindvars[$nextUserIndex][$nextUserKey]); |
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360 | unset($this->nextUser[$nextUserKey]); |
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361 | } |
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362 | if (!(empty($querysets))) |
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363 | { |
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364 | $queryset = implode(' = ?,', $querysets). ' = ?'; |
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365 | $query = 'update '.GALAXIA_TABLE_PREFIX.'instances set '.$queryset |
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366 | .' where wf_instance_id=?'; |
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367 | $bindvars[] = $this->instanceId; |
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368 | //echo "<br> query $query"; _debug_array($bindvars); |
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369 | $this->query($query,$bindvars); |
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370 | } |
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371 | } |
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372 | if (!($this->db->CompleteTrans())) |
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373 | { |
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374 | $this->error[] = tra('failed to synchronize instance data with the database'); |
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375 | return false; |
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376 | } |
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377 | |
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378 | //we are not unsynchronized anymore. |
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379 | $this->unsynch = false; |
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380 | return true; |
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381 | } |
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382 | |
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383 | /** |
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384 | * Sets the next activity to be executed, if the current activity is |
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385 | * a switch activity the complete() method will use the activity setted |
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386 | * in this method as the next activity for the instance. |
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387 | * The object records an array of transitions, as the instance can be splitted in several |
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388 | * running activities, transition from the current activity to the given activity will |
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389 | * be recorded and all previous recorded transitions starting from the current activity |
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390 | * will be deleted |
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391 | * |
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392 | * @param int $activityId Running activity Id |
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393 | * @param string $actname Activity name as argument (not an id) |
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394 | * @return bool |
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395 | * @access public |
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396 | */ |
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397 | function setNextActivity($activityId, $actname) |
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398 | { |
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399 | $pId = $this->pId; |
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400 | $actname=trim($actname); |
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401 | $aid = $this->getOne('select wf_activity_id from '.GALAXIA_TABLE_PREFIX.'activities where wf_p_id=? and wf_name=?',array($pId,$actname)); |
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402 | if (!($aid)) |
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403 | { |
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404 | $this->error[] = tra('setting next activity to an unexisting activity'); |
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405 | return false; |
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406 | } |
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407 | $this->changed['nextActivity'][$activityId]=$aid; |
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408 | $this->unsynch = true; |
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409 | return true; |
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410 | } |
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411 | |
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412 | /** |
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413 | * This method can be used to set the user that must perform the next |
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414 | * activity of the process. this effectively "assigns" the instance to |
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415 | * some user |
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416 | * |
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417 | * @param mixed $user The user which will execute the next activity |
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418 | * @param mixed $activityID The ID of the activity that the user will be able to execute. '*' means any next activity |
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419 | * @return bool true in case of success or false otherwise |
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420 | * @access public |
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421 | */ |
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422 | function setNextUser($user, $activityID = '*') |
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423 | { |
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424 | if ($activityID == '*') |
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425 | { |
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426 | $candidates = $this->getActivityCandidates($this->activityID); |
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427 | foreach ($candidates as $candidate) |
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428 | $this->changed['nextUser'][$candidate] = $user; |
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429 | } |
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430 | else |
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431 | $this->changed['nextUser'][$activityID] = $user; |
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432 | $this->unsynch = true; |
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433 | return true; |
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434 | } |
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435 | |
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436 | /** |
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437 | * Sets next instance user role |
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438 | * |
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439 | * @param string $roleName The name of the role |
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440 | * @param mixed $activityID The ID of the activity that the role will be able to execute. '*' means any next activity |
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441 | * @return bool true in case of success or false otherwise |
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442 | * @access public |
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443 | */ |
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444 | function setNextRole($roleID, $activityID = '*') |
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445 | { |
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446 | return $this->setNextUser('p' . $roleID, $activityID); |
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447 | } |
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448 | |
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449 | /** |
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450 | * Removes the user/role of the provided activity ID |
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451 | * |
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452 | * @param mixed $activityID The ID of the activity from which the users/roles will be removed. |
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453 | * @return void |
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454 | * @access public |
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455 | */ |
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456 | function unsetNextUser($activityID = '*') |
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457 | { |
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458 | $this->setNextUser('__UNDEF__', $activityID); |
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459 | } |
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460 | |
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461 | /** |
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462 | * This method can be used to get the user that must perform the next |
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463 | * activity of the process. This can be empty if no setNextUser was done before. |
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464 | * It wont return the default user but inly the user which was assigned by a setNextUser |
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465 | * |
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466 | * @param mixed $activityID The ID of the activity from which we want the user/role that will execute it. |
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467 | * @return string |
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468 | * @access public |
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469 | */ |
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470 | function getNextUser($activityID = '*') |
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471 | { |
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472 | if ($activityID == '*') |
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473 | $order = array('*' . $this->activityID); |
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474 | else |
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475 | $order = array($activityID, '*' . $this->activityID); |
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476 | foreach ($order as $currentOrder) |
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477 | { |
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478 | if (isset($this->changed['nextUser'][$currentOrder]) && ($this->changed['nextUser'][$currentOrder] == '__UNDEF__')) |
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479 | continue; |
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480 | if (isset($this->changed['nextUser'][$currentOrder])) |
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481 | return $this->changed['nextUser'][$currentOrder]; |
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482 | if (isset($this->nextUser[$currentOrder])) |
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483 | return $this->nextUser[$currentOrder]; |
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484 | } |
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485 | return ''; |
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486 | } |
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487 | |
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488 | /** |
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489 | * Creates a new instance. |
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490 | * This method is called in start activities when the activity is completed |
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491 | * to create a new instance representing the started process. |
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492 | * |
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493 | * @param int $activityId start activity id |
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494 | * @param int $user current user id |
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495 | * @return bool |
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496 | * @access private |
---|
497 | */ |
---|
498 | function _createNewInstance($activityId,$user) { |
---|
499 | // Creates a new instance setting up started, ended, user, status and owner |
---|
500 | $pid = $this->getOne('SELECT wf_p_id FROM '.GALAXIA_TABLE_PREFIX.'activities WHERE wf_activity_id=?',array((int)$activityId)); |
---|
501 | $this->pId = $pid; |
---|
502 | $this->setStatus('active'); |
---|
503 | //$this->setNextUser(''); |
---|
504 | $now = date("U"); |
---|
505 | $this->setStarted($now); |
---|
506 | $this->setOwner($user); |
---|
507 | |
---|
508 | //Get the id of new instance, before insert values in table and use this value from main table and relationship tables. |
---|
509 | $this->instanceId = $this->getOne("SELECT nextval('seq_egw_wf_instances')"); |
---|
510 | $iid=$this->instanceId; |
---|
511 | |
---|
512 | $query = 'INSERT INTO '.GALAXIA_TABLE_PREFIX.'instances |
---|
513 | (wf_instance_id, wf_started,wf_ended,wf_status,wf_p_id,wf_owner,wf_properties) |
---|
514 | VALUES |
---|
515 | (?,?,?,?,?,?,?)'; |
---|
516 | |
---|
517 | $this->query($query,array((int)$iid, $now,0,'active',$pid,$user,$this->security_cleanup(Array(),false))); |
---|
518 | |
---|
519 | // Then add in ".GALAXIA_TABLE_PREFIX."instance_activities an entry for the |
---|
520 | // activity the user and status running and started now |
---|
521 | $query = 'INSERT INTO '.GALAXIA_TABLE_PREFIX.'instance_activities |
---|
522 | (wf_instance_id,wf_activity_id,wf_user,wf_started,wf_status) |
---|
523 | VALUES |
---|
524 | (?,?,?,?,?)'; |
---|
525 | $this->query($query,array((int)$iid,(int)$activityId,$user,(int)$now,'running')); |
---|
526 | |
---|
527 | if (($this->isChildInstance) && (!is_null($this->parentInstanceId))) |
---|
528 | { |
---|
529 | $query = 'INSERT INTO '.GALAXIA_TABLE_PREFIX.'interinstance_relations |
---|
530 | (wf_parent_instance_id, wf_child_instance_id, wf_parent_lock) |
---|
531 | VALUES |
---|
532 | (?,?,?)'; |
---|
533 | $this->query($query,array((int) $this->parentInstanceId, (int) $iid, (int) (($this->parentLock) ? 1 : 0))); |
---|
534 | } |
---|
535 | |
---|
536 | //update database with other datas stored in the object |
---|
537 | return $this->sync(); |
---|
538 | } |
---|
539 | |
---|
540 | /** |
---|
541 | * Sets the name of this instance |
---|
542 | * |
---|
543 | * @param string $value |
---|
544 | * @return bool |
---|
545 | * @access public |
---|
546 | */ |
---|
547 | function setName($value) |
---|
548 | { |
---|
549 | $this->changed['name'] = substr($value,0,120); |
---|
550 | $this->unsynch = true; |
---|
551 | return true; |
---|
552 | } |
---|
553 | |
---|
554 | /** |
---|
555 | * Get the name of this instance |
---|
556 | * |
---|
557 | * @return string |
---|
558 | * @access public |
---|
559 | */ |
---|
560 | function getName() |
---|
561 | { |
---|
562 | if (!(isset($this->changed['name']))) |
---|
563 | { |
---|
564 | return $this->name; |
---|
565 | } |
---|
566 | else |
---|
567 | { |
---|
568 | return $this->changed['name']; |
---|
569 | } |
---|
570 | } |
---|
571 | |
---|
572 | /** |
---|
573 | * Sets the category of this instance |
---|
574 | * |
---|
575 | * @param string $value |
---|
576 | * @return bool |
---|
577 | * @access public |
---|
578 | */ |
---|
579 | function setCategory($value) |
---|
580 | { |
---|
581 | $this->changed['category'] = $value; |
---|
582 | $this->unsynch = true; |
---|
583 | return true; |
---|
584 | } |
---|
585 | |
---|
586 | /** |
---|
587 | * Get the category of this instance |
---|
588 | * |
---|
589 | * @return string |
---|
590 | * @access public |
---|
591 | */ |
---|
592 | function getCategory() |
---|
593 | { |
---|
594 | if (!(isset($this->changed['category']))) |
---|
595 | { |
---|
596 | return $this->category; |
---|
597 | } |
---|
598 | else |
---|
599 | { |
---|
600 | return $this->changed['category']; |
---|
601 | } |
---|
602 | } |
---|
603 | |
---|
604 | /** |
---|
605 | * Normalizes a property name |
---|
606 | * |
---|
607 | * @param string $name name you want to normalize |
---|
608 | * @return string property name |
---|
609 | * @access private |
---|
610 | */ |
---|
611 | function _normalize_name($name) |
---|
612 | { |
---|
613 | $name = trim($name); |
---|
614 | $name = str_replace(" ","_",$name); |
---|
615 | $name = preg_replace("/[^0-9A-Za-z\_]/",'',$name); |
---|
616 | return $name; |
---|
617 | } |
---|
618 | |
---|
619 | /** |
---|
620 | * Sets a property in this instance. This method is used in activities to |
---|
621 | * set instance properties. |
---|
622 | * all property names are normalized for security reasons and to avoid localisation |
---|
623 | * problems (A->z, digits and _ for spaces). If you have several set to call look |
---|
624 | * at the setProperties function. Each call to this function has an impact on database |
---|
625 | * |
---|
626 | * @param string $name property name (it will be normalized) |
---|
627 | * @param mixed $value value you want for this property |
---|
628 | * @return bool |
---|
629 | * @access public |
---|
630 | */ |
---|
631 | function set($name,$value) |
---|
632 | { |
---|
633 | $name = $this->_normalize_name($name); |
---|
634 | unset($this->cleared[$name]); |
---|
635 | $this->changed['properties'][$name] = $this->security_cleanup($value); |
---|
636 | if (is_array($value)) |
---|
637 | $this->changed['properties'][$name] = "__ARRAY__" . $this->changed['properties'][$name]; |
---|
638 | $this->unsynch = true; |
---|
639 | return true; |
---|
640 | } |
---|
641 | |
---|
642 | /** |
---|
643 | * Unsets a property in this instance. This method is used in activities to |
---|
644 | * unset instance properties. |
---|
645 | * All property names are normalized for security reasons and to avoid localisation |
---|
646 | * problems (A->z, digits and _ for spaces). Each call to this function has an impact on database |
---|
647 | * |
---|
648 | * @param string $name the property name (it will be normalized) |
---|
649 | * @return bool |
---|
650 | * @access public |
---|
651 | */ |
---|
652 | function clear($name) |
---|
653 | { |
---|
654 | $this->set($name, ''); |
---|
655 | $this->cleared[$name] = $name; |
---|
656 | $this->unsynch = true; |
---|
657 | return true; |
---|
658 | } |
---|
659 | |
---|
660 | /** |
---|
661 | * Checks if a property in this instance exists. This method is used in activities to |
---|
662 | * check the existance of instance properties. |
---|
663 | * All property names are normalized for security reasons and to avoid localisation |
---|
664 | * problems (A->z, digits and _ for spaces). |
---|
665 | * |
---|
666 | * @param string $name property name (it will be normalized) |
---|
667 | * @return bool |
---|
668 | * @access public |
---|
669 | */ |
---|
670 | function exists($name) |
---|
671 | { |
---|
672 | $name = $this->_normalize_name($name); |
---|
673 | |
---|
674 | return ((isset($this->changed['properties'][$name]) || isset($this->properties[$name])) && !isset($this->cleared[$name])); |
---|
675 | } |
---|
676 | |
---|
677 | /** |
---|
678 | * Sets several properties in this instance. This method is used in activities to |
---|
679 | * set instance properties. Use this method if you have several properties to set |
---|
680 | * as it will avoid to re-call the SQL engine for each property. |
---|
681 | * all property names are normalized for security reasons and to avoid localisation |
---|
682 | * problems (A->z, digits and _ for spaces). |
---|
683 | * |
---|
684 | * @param array $properties_array associative array containing for each record the |
---|
685 | * property name as the key and the property value as the value |
---|
686 | * @return bool |
---|
687 | * @access public |
---|
688 | */ |
---|
689 | function setProperties($properties_array) |
---|
690 | { |
---|
691 | $backup_values = $this->properties; |
---|
692 | foreach ($properties_array as $key => $value) |
---|
693 | { |
---|
694 | $name = $this->_normalize_name($key); |
---|
695 | $this->changed['properties'][$name] = $this->security_cleanup($value); |
---|
696 | } |
---|
697 | $this->unsynch = true; |
---|
698 | return true; |
---|
699 | } |
---|
700 | |
---|
701 | /** |
---|
702 | * Gets the value of an instance property |
---|
703 | * |
---|
704 | * @param string $name name of the property |
---|
705 | * @param mixed $defaultValue |
---|
706 | * @return bool |
---|
707 | * @access public |
---|
708 | */ |
---|
709 | function get($name, $defaultValue = "__UNDEF__") |
---|
710 | { |
---|
711 | $name = $this->_normalize_name($name); |
---|
712 | $output = ""; |
---|
713 | |
---|
714 | /* select the value of the current property */ |
---|
715 | if (isset($this->changed['properties'][$name])) |
---|
716 | { |
---|
717 | $output = $this->changed['properties'][$name]; |
---|
718 | } |
---|
719 | else |
---|
720 | { |
---|
721 | if (isset($this->properties[$name])) |
---|
722 | { |
---|
723 | $output = $this->properties[$name]; |
---|
724 | } |
---|
725 | } |
---|
726 | |
---|
727 | /* if the property doesn't exist return the default value or throw an error */ |
---|
728 | if (isset($this->cleared[$name]) || ((!isset($this->properties[$name])) && (!isset($this->changed['properties'][$name])))) |
---|
729 | { |
---|
730 | if ($defaultValue != "__UNDEF__") |
---|
731 | { |
---|
732 | $output = $defaultValue; |
---|
733 | } |
---|
734 | else |
---|
735 | { |
---|
736 | $this->error[] = tra('property %1 not found', $name); |
---|
737 | $output = false; |
---|
738 | } |
---|
739 | } |
---|
740 | |
---|
741 | /* if the requested value is an enconded/serialized array, change it back to its original type */ |
---|
742 | if (@strcmp(@substr($output, 0, 9), "__ARRAY__") == 0) |
---|
743 | if ( ($tmp = base64_decode(substr($output, 9))) !== false ) |
---|
744 | if ( ($tmp = unserialize($tmp)) !== false ) |
---|
745 | $output = $tmp; |
---|
746 | return $output; |
---|
747 | } |
---|
748 | |
---|
749 | /** |
---|
750 | * Returns an array of assocs describing the activities where the instance |
---|
751 | * is present, can be more than one activity if the instance was "splitted" |
---|
752 | * |
---|
753 | * @return array |
---|
754 | * @access public |
---|
755 | */ |
---|
756 | function getActivities() { |
---|
757 | return $this->activities; |
---|
758 | } |
---|
759 | |
---|
760 | /** |
---|
761 | * Gets the instance status can be |
---|
762 | * 'completed', 'active', 'aborted' or 'exception' |
---|
763 | * |
---|
764 | * @return string |
---|
765 | * @access public |
---|
766 | */ |
---|
767 | function getStatus() { |
---|
768 | if (!(isset($this->changed['status']))) |
---|
769 | { |
---|
770 | return $this->status; |
---|
771 | } |
---|
772 | else |
---|
773 | { |
---|
774 | return $this->changed['status']; |
---|
775 | } |
---|
776 | } |
---|
777 | |
---|
778 | /** |
---|
779 | * Sets the instance status |
---|
780 | * |
---|
781 | * @param string_type $status it can be: 'completed', 'active', 'aborted' or 'exception' |
---|
782 | * @return bool |
---|
783 | * @access public |
---|
784 | */ |
---|
785 | function setStatus($status) |
---|
786 | { |
---|
787 | if (!(($status=='completed') || ($status=='active') || ($status=='aborted') || ($status=='exception'))) |
---|
788 | { |
---|
789 | $this->error[] = tra('unknown status'); |
---|
790 | return false; |
---|
791 | } |
---|
792 | $this->changed['status'] = $status; |
---|
793 | $this->unsynch = true; |
---|
794 | return true; |
---|
795 | } |
---|
796 | |
---|
797 | /** |
---|
798 | * Gets the instance priority |
---|
799 | * |
---|
800 | * @return int |
---|
801 | * @access public |
---|
802 | */ |
---|
803 | function getPriority() |
---|
804 | { |
---|
805 | if (!(isset($this->changed['priority']))) |
---|
806 | { |
---|
807 | return $this->priority; |
---|
808 | } |
---|
809 | else |
---|
810 | { |
---|
811 | return $this->changed['priority']; |
---|
812 | } |
---|
813 | } |
---|
814 | |
---|
815 | /** |
---|
816 | * Sets the instance priority |
---|
817 | * |
---|
818 | * @param int $priority |
---|
819 | * @return bool |
---|
820 | * @access public |
---|
821 | */ |
---|
822 | function setPriority($priority) |
---|
823 | { |
---|
824 | $mypriority = (int)$priority; |
---|
825 | $this->changed['priority'] = $mypriority; |
---|
826 | $this->unsynch = true; |
---|
827 | return true; |
---|
828 | } |
---|
829 | |
---|
830 | /** |
---|
831 | * Returns the instanceId |
---|
832 | * |
---|
833 | * @return int |
---|
834 | * @access public |
---|
835 | */ |
---|
836 | function getInstanceId() |
---|
837 | { |
---|
838 | return $this->instanceId; |
---|
839 | } |
---|
840 | |
---|
841 | /** |
---|
842 | * Returns the processId for this instance |
---|
843 | * |
---|
844 | * @return int |
---|
845 | * @access public |
---|
846 | */ |
---|
847 | function getProcessId() |
---|
848 | { |
---|
849 | return $this->pId; |
---|
850 | } |
---|
851 | |
---|
852 | /** |
---|
853 | * Returns the user that created the instance |
---|
854 | * |
---|
855 | * @return int |
---|
856 | * @access public |
---|
857 | */ |
---|
858 | function getOwner() |
---|
859 | { |
---|
860 | if (!(isset($this->changed['owner']))) |
---|
861 | { |
---|
862 | return $this->owner; |
---|
863 | } |
---|
864 | else |
---|
865 | { |
---|
866 | return $this->changed['owner']; |
---|
867 | } |
---|
868 | } |
---|
869 | |
---|
870 | /** |
---|
871 | * Sets the instance creator user |
---|
872 | * |
---|
873 | * @param int $user new owner id, musn't be false, 0 or empty |
---|
874 | * @return bool |
---|
875 | * @access public |
---|
876 | */ |
---|
877 | function setOwner($user) |
---|
878 | { |
---|
879 | if (empty($user)) |
---|
880 | { |
---|
881 | return false; |
---|
882 | } |
---|
883 | $this->changed['owner'] = $user; |
---|
884 | $this->unsynch = true; |
---|
885 | return true; |
---|
886 | } |
---|
887 | |
---|
888 | /** |
---|
889 | * Sets the user that must execute the activity indicated by the activityId. |
---|
890 | * Note that the instance MUST be present in the activity to set the user, |
---|
891 | * you can't program who will execute an activity. |
---|
892 | * If the user is empty then the activity user is setted to *, allowing any |
---|
893 | * authorised user to take the token later concurrent access to this function |
---|
894 | * is normally handled by WfRuntime and WfSecurity theses objects are the only ones |
---|
895 | * which should call this function. WfRuntime is handling the current transaction and |
---|
896 | * WfSecurity is Locking the instance and instance_activities table on a 'run' action |
---|
897 | * which is the action leading to this setActivityUser call (could be a release |
---|
898 | * as well on auto-release) |
---|
899 | * |
---|
900 | * @param int $activityId |
---|
901 | * @param int $theuser user id or '*' (or 0, '' or null which will be set to '*') |
---|
902 | * @return bool |
---|
903 | * @access public |
---|
904 | */ |
---|
905 | function setActivityUser($activityId,$theuser) { |
---|
906 | if(empty($theuser)) $theuser='*'; |
---|
907 | $found = false; |
---|
908 | for($i=0;$i<count($this->activities);$i++) { |
---|
909 | if($this->activities[$i]['wf_activity_id']==$activityId) { |
---|
910 | // here we are in the good activity |
---|
911 | $found = true; |
---|
912 | |
---|
913 | // prepare queries |
---|
914 | $where = ' where wf_activity_id=? and wf_instance_id=?'; |
---|
915 | $bindvars = array((int)$activityId,(int)$this->instanceId); |
---|
916 | if(!($theuser=='*')) |
---|
917 | { |
---|
918 | $where .= ' and (wf_user=? or wf_user=? or wf_user LIKE ?)'; |
---|
919 | $bindvars[]= $theuser; |
---|
920 | $bindvars[]= '*'; |
---|
921 | $bindvars[]= 'p%'; |
---|
922 | } |
---|
923 | |
---|
924 | // update the user |
---|
925 | $query = 'update '.GALAXIA_TABLE_PREFIX.'instance_activities set wf_user=?'; |
---|
926 | $query .= $where; |
---|
927 | $bindvars_update = array_merge(array($theuser),$bindvars); |
---|
928 | $this->query($query,$bindvars_update); |
---|
929 | $this->activities[$i]['wf_user']=$theuser; |
---|
930 | return true; |
---|
931 | } |
---|
932 | } |
---|
933 | // if we didn't find the activity it will be false |
---|
934 | return $found; |
---|
935 | } |
---|
936 | |
---|
937 | /** |
---|
938 | * Returns the user that must execute or is already executing an activity |
---|
939 | * wherethis instance is present |
---|
940 | * |
---|
941 | * @param int $activityId |
---|
942 | * @return bool |
---|
943 | * @access public |
---|
944 | */ |
---|
945 | function getActivityUser($activityId) { |
---|
946 | for($i=0;$i<count($this->activities);$i++) { |
---|
947 | if($this->activities[$i]['wf_activity_id']==$activityId) { |
---|
948 | return $this->activities[$i]['wf_user']; |
---|
949 | } |
---|
950 | } |
---|
951 | return false; |
---|
952 | } |
---|
953 | |
---|
954 | /** |
---|
955 | * Sets the status of the instance in some activity |
---|
956 | * |
---|
957 | * @param int $activityId |
---|
958 | * @param string $status new status, it can be 'running' or 'completed' |
---|
959 | * @return bool |
---|
960 | * @access public |
---|
961 | */ |
---|
962 | function setActivityStatus($activityId,$status) |
---|
963 | { |
---|
964 | if (!(($status=='running') || ($status=='completed'))) |
---|
965 | { |
---|
966 | $this->error[] = tra('unknown status'); |
---|
967 | return false; |
---|
968 | } |
---|
969 | for($i=0;$i<count($this->activities);$i++) |
---|
970 | { |
---|
971 | if($this->activities[$i]['wf_activity_id']==$activityId) |
---|
972 | { |
---|
973 | $query = 'update '.GALAXIA_TABLE_PREFIX.'instance_activities set wf_status=? where wf_activity_id=? and wf_instance_id=?'; |
---|
974 | $this->query($query,array($status,(int)$activityId,(int)$this->instanceId)); |
---|
975 | return true; |
---|
976 | } |
---|
977 | } |
---|
978 | $this->error[] = tra('new status not set, no corresponding activity was found.'); |
---|
979 | return false; |
---|
980 | } |
---|
981 | |
---|
982 | |
---|
983 | /** |
---|
984 | * Gets the status of the instance in some activity, can be |
---|
985 | * 'running' or 'completed' |
---|
986 | * |
---|
987 | * @param int $activityId |
---|
988 | * @return mixed |
---|
989 | * @access public |
---|
990 | */ |
---|
991 | function getActivityStatus($activityId) { |
---|
992 | for($i=0;$i<count($this->activities);$i++) { |
---|
993 | if($this->activities[$i]['wf_activity_id']==$activityId) { |
---|
994 | return $this->activities[$i]['wf_status']; |
---|
995 | } |
---|
996 | } |
---|
997 | $this->error[] = tra('activity status not avaible, no corresponding activity was found.'); |
---|
998 | return false; |
---|
999 | } |
---|
1000 | |
---|
1001 | /** |
---|
1002 | * Resets the start time of the activity indicated to the current time |
---|
1003 | * |
---|
1004 | * @param int $activityId |
---|
1005 | * @return bool |
---|
1006 | * @access public |
---|
1007 | */ |
---|
1008 | function setActivityStarted($activityId) { |
---|
1009 | $now = date("U"); |
---|
1010 | for($i=0;$i<count($this->activities);$i++) { |
---|
1011 | if($this->activities[$i]['wf_activity_id']==$activityId) { |
---|
1012 | $this->activities[$i]['wf_started']=$now; |
---|
1013 | $query = "update `".GALAXIA_TABLE_PREFIX."instance_activities` set `wf_started`=? where `wf_activity_id`=? and `wf_instance_id`=?"; |
---|
1014 | $this->query($query,array($now,(int)$activityId,(int)$this->instanceId)); |
---|
1015 | return true; |
---|
1016 | } |
---|
1017 | } |
---|
1018 | $this->error[] = tra('activity start not set, no corresponding activity was found.'); |
---|
1019 | return false; |
---|
1020 | } |
---|
1021 | |
---|
1022 | /** |
---|
1023 | * Gets the Unix timstamp of the starting time for the given activity |
---|
1024 | * |
---|
1025 | * @param int $activityId |
---|
1026 | * @return mixed |
---|
1027 | * @access public |
---|
1028 | */ |
---|
1029 | function getActivityStarted($activityId) { |
---|
1030 | for($i=0;$i<count($this->activities);$i++) { |
---|
1031 | if($this->activities[$i]['wf_activity_id']==$activityId) { |
---|
1032 | return $this->activities[$i]['wf_started']; |
---|
1033 | } |
---|
1034 | } |
---|
1035 | $this->error[] = tra('activity start not avaible, no corresponding activity was found.'); |
---|
1036 | return false; |
---|
1037 | } |
---|
1038 | |
---|
1039 | /** |
---|
1040 | * Gets an activity from the list of activities of the instance |
---|
1041 | * the result is an array describing the instance |
---|
1042 | * |
---|
1043 | * @param int $activityId |
---|
1044 | * @return mixed |
---|
1045 | * @access private |
---|
1046 | */ |
---|
1047 | function _get_instance_activity($activityId) |
---|
1048 | { |
---|
1049 | for($i=0;$i<count($this->activities);$i++) { |
---|
1050 | if($this->activities[$i]['wf_activity_id']==$activityId) { |
---|
1051 | return $this->activities[$i]; |
---|
1052 | } |
---|
1053 | } |
---|
1054 | $this->error[] = tra('no corresponding activity was found.'); |
---|
1055 | return false; |
---|
1056 | } |
---|
1057 | |
---|
1058 | /** |
---|
1059 | * Sets the time where the instance was started |
---|
1060 | * |
---|
1061 | * @param int $time |
---|
1062 | * @return bool |
---|
1063 | * @access public |
---|
1064 | */ |
---|
1065 | function setStarted($time) |
---|
1066 | { |
---|
1067 | $this->changed['started'] = $time; |
---|
1068 | $this->unsynch = true; |
---|
1069 | return true; |
---|
1070 | } |
---|
1071 | |
---|
1072 | /** |
---|
1073 | * Gets the time where the instance was started (Unix timestamp) |
---|
1074 | * |
---|
1075 | * @return int |
---|
1076 | * @access public |
---|
1077 | */ |
---|
1078 | function getStarted() |
---|
1079 | { |
---|
1080 | if (!(isset($this->changed['started']))) |
---|
1081 | { |
---|
1082 | return $this->started; |
---|
1083 | } |
---|
1084 | else |
---|
1085 | { |
---|
1086 | return $this->changed['started']; |
---|
1087 | } |
---|
1088 | } |
---|
1089 | |
---|
1090 | /** |
---|
1091 | * Sets the end time of the instance (when the process was completed) |
---|
1092 | * |
---|
1093 | * @param int $time |
---|
1094 | * @return bool |
---|
1095 | * @access public |
---|
1096 | */ |
---|
1097 | function setEnded($time) |
---|
1098 | { |
---|
1099 | $this->changed['ended']=$time; |
---|
1100 | $this->unsynch = true; |
---|
1101 | return true; |
---|
1102 | } |
---|
1103 | |
---|
1104 | /** |
---|
1105 | * Gets the end time of the instance (when the process was completed) |
---|
1106 | * |
---|
1107 | * @return int |
---|
1108 | * @access public |
---|
1109 | */ |
---|
1110 | function getEnded() |
---|
1111 | { |
---|
1112 | if (!(isset($this->changed['ended']))) |
---|
1113 | { |
---|
1114 | return $this->ended; |
---|
1115 | } |
---|
1116 | else |
---|
1117 | { |
---|
1118 | return $this->changed['ended']; |
---|
1119 | } |
---|
1120 | } |
---|
1121 | |
---|
1122 | /** |
---|
1123 | * This set to true or false the 'Activity Completed' status which will |
---|
1124 | * be important to know if the user code has completed the current activity |
---|
1125 | * |
---|
1126 | * @param bool $bool true by default, it will be the next status of the 'Activity Completed' indicator |
---|
1127 | * @access private |
---|
1128 | * @return void |
---|
1129 | */ |
---|
1130 | function setActivityCompleted($bool) |
---|
1131 | { |
---|
1132 | $this->__activity_completed = $bool; |
---|
1133 | } |
---|
1134 | |
---|
1135 | /** |
---|
1136 | * Gets the 'Activity Completed' status |
---|
1137 | * |
---|
1138 | * @return mixed |
---|
1139 | * @access public |
---|
1140 | */ |
---|
1141 | function getActivityCompleted() |
---|
1142 | { |
---|
1143 | return $this->__activity_completed; |
---|
1144 | } |
---|
1145 | |
---|
1146 | /** |
---|
1147 | * This function can be called by the instance object himself (for automatic activities) |
---|
1148 | * or by the WfRuntime object. In interactive activities code users use complete() --without args-- |
---|
1149 | * which refer to the WfRuntime->complete() function which call this one. |
---|
1150 | * In non-interactive activities a call to a complete() will generate errors because the engine |
---|
1151 | * does it his own way as I said first. |
---|
1152 | * Particularity of this Complete is that it is Transactional, i.e. it it done completely |
---|
1153 | * or not and row locks are ensured |
---|
1154 | * |
---|
1155 | * @param int $activityId activity that is being completed |
---|
1156 | * @param bool $addworkitem indicates if a workitem should be added for the completed |
---|
1157 | * activity (true by default) |
---|
1158 | * @return bool false it means the complete was not done for some internal reason |
---|
1159 | * consult $instance->get_error() for more informations |
---|
1160 | * @access public |
---|
1161 | */ |
---|
1162 | function complete($activityId,$addworkitem=true) |
---|
1163 | { |
---|
1164 | //$this->db-> |
---|
1165 | $result = $this->query("SELECT 1 FROM " . GALAXIA_TABLE_PREFIX . "instances i, " . GALAXIA_TABLE_PREFIX . "interinstance_relations ir WHERE (ir.wf_child_instance_id = i.wf_instance_id) AND (i.wf_status IN ('active', 'exception')) AND (ir.wf_parent_lock = 1) AND (ir.wf_parent_instance_id = ?)", array($this->instanceId)); |
---|
1166 | if ($result->numRows() > 0) |
---|
1167 | die("Esta instância está aguardando que outras instâncias, das quais depende, sejam finalizadas."); |
---|
1168 | //ensure it's false at first |
---|
1169 | $this->setActivityCompleted(false); |
---|
1170 | |
---|
1171 | //The complete() is in a transaction, it will be completly done or not at all |
---|
1172 | $this->db->StartTrans(); |
---|
1173 | |
---|
1174 | //lock rows and ensure access is granted |
---|
1175 | if (!(isset($this->security))) $this->security = &Factory::getInstance('WfSecurity'); |
---|
1176 | if (!($this->security->checkUserAction($activityId,$this->instanceId,'complete'))) |
---|
1177 | { |
---|
1178 | $this->error[] = tra('you were not allowed to complete the activity'); |
---|
1179 | $this->db->FailTrans(); |
---|
1180 | } |
---|
1181 | else |
---|
1182 | { |
---|
1183 | if (!($this->_internalComplete($activityId,$addworkitem))) |
---|
1184 | { |
---|
1185 | $this->error[] = tra('The activity was not completed'); |
---|
1186 | $this->db->FailTrans(); |
---|
1187 | } |
---|
1188 | } |
---|
1189 | //we mark completion with result of the transaction wich will be false if any error occurs |
---|
1190 | //this is the end of the transaction |
---|
1191 | $this->setActivityCompleted($this->db->CompleteTrans()); |
---|
1192 | |
---|
1193 | //we return the completion state. |
---|
1194 | return $this->getActivityCompleted(); |
---|
1195 | } |
---|
1196 | |
---|
1197 | /** |
---|
1198 | * YOU MUST NOT CALL _internalComplete() directly, use Complete() instead |
---|
1199 | * |
---|
1200 | * @param int $activityId activity that is being completed |
---|
1201 | * @param bool $addworkitem indicates if a workitem should be added for the completed |
---|
1202 | * activity (true by default) |
---|
1203 | * @return bool false it means the complete was not done for some internal reason |
---|
1204 | * consult $instance->get_error() for more informations |
---|
1205 | * @access private |
---|
1206 | */ |
---|
1207 | function _internalComplete($activityId,$addworkitem=true) { |
---|
1208 | global $user; |
---|
1209 | |
---|
1210 | if(empty($user)) |
---|
1211 | { |
---|
1212 | $theuser='*'; |
---|
1213 | } |
---|
1214 | else |
---|
1215 | { |
---|
1216 | $theuser=$user; |
---|
1217 | } |
---|
1218 | |
---|
1219 | if(!($activityId)) |
---|
1220 | { |
---|
1221 | $this->error[] = tra('it was impossible to complete, no activity was given.'); |
---|
1222 | return false; |
---|
1223 | } |
---|
1224 | |
---|
1225 | $now = date("U"); |
---|
1226 | |
---|
1227 | // If we are completing a start activity then the instance must |
---|
1228 | // be created first! |
---|
1229 | $type = $this->getOne('select wf_type from '.GALAXIA_TABLE_PREFIX.'activities where wf_activity_id=?',array((int)$activityId)); |
---|
1230 | if($type=='start') |
---|
1231 | { |
---|
1232 | if (!($this->_createNewInstance((int)$activityId,$theuser))) |
---|
1233 | { |
---|
1234 | return false; |
---|
1235 | } |
---|
1236 | } |
---|
1237 | else |
---|
1238 | { |
---|
1239 | // Now set ended |
---|
1240 | $query = 'update '.GALAXIA_TABLE_PREFIX.'instance_activities set wf_ended=? where wf_activity_id=? and wf_instance_id=?'; |
---|
1241 | $this->query($query,array((int)$now,(int)$activityId,(int)$this->instanceId)); |
---|
1242 | } |
---|
1243 | |
---|
1244 | //Set the status for the instance-activity to completed |
---|
1245 | //except for start activities |
---|
1246 | if (!($type=='start')) |
---|
1247 | { |
---|
1248 | if (!($this->setActivityStatus($activityId,'completed'))) |
---|
1249 | { |
---|
1250 | return false; |
---|
1251 | } |
---|
1252 | } |
---|
1253 | |
---|
1254 | //If this and end actt then terminate the instance |
---|
1255 | if($type=='end') |
---|
1256 | { |
---|
1257 | if (!($this->terminate($now))) |
---|
1258 | { |
---|
1259 | return false; |
---|
1260 | } |
---|
1261 | } |
---|
1262 | |
---|
1263 | //now we synchronise instance with the database |
---|
1264 | if (!($this->sync())) return false; |
---|
1265 | |
---|
1266 | //Add a workitem to the instance |
---|
1267 | if ($addworkitem) |
---|
1268 | { |
---|
1269 | return $this->addworkitem($type,$now, $activityId); |
---|
1270 | } |
---|
1271 | else |
---|
1272 | { |
---|
1273 | return true; |
---|
1274 | } |
---|
1275 | } |
---|
1276 | |
---|
1277 | /** |
---|
1278 | * This function will add a workitem in the workitems table, the instance MUST be synchronised before |
---|
1279 | * calling this function. |
---|
1280 | * |
---|
1281 | * @param string $activity_type activity type, needed because internals are different for start activities |
---|
1282 | * @param int $ended ending time |
---|
1283 | * @param int $activityId finishing activity id |
---|
1284 | * @return mixed |
---|
1285 | * @access private |
---|
1286 | */ |
---|
1287 | function addworkitem($activity_type, $ended, $activityId) |
---|
1288 | { |
---|
1289 | $iid = $this->instanceId; |
---|
1290 | $max = $this->getOne('select max(wf_order_id) from '.GALAXIA_TABLE_PREFIX.'workitems where wf_instance_id=?',array((int)$iid)); |
---|
1291 | if(!$max) |
---|
1292 | { |
---|
1293 | $max=1; |
---|
1294 | } |
---|
1295 | else |
---|
1296 | { |
---|
1297 | $max++; |
---|
1298 | } |
---|
1299 | if($activity_type=='start') |
---|
1300 | { |
---|
1301 | //Then this is a start activity ending |
---|
1302 | $started = $this->getStarted(); |
---|
1303 | //at this time owner is the creator |
---|
1304 | $putuser = $this->getOwner(); |
---|
1305 | } |
---|
1306 | else |
---|
1307 | { |
---|
1308 | $act = $this->_get_instance_activity($activityId); |
---|
1309 | if(!$act) |
---|
1310 | { |
---|
1311 | //this will abort the function |
---|
1312 | $this->error[] = tra('failed to create workitem'); |
---|
1313 | return false; |
---|
1314 | } |
---|
1315 | else |
---|
1316 | { |
---|
1317 | $started = $act['wf_started']; |
---|
1318 | $putuser = $act['wf_user']; |
---|
1319 | } |
---|
1320 | } |
---|
1321 | //no more serialize, done by the core security_cleanup |
---|
1322 | $properties = $this->security_cleanup($this->properties, false); //serialize($this->properties); |
---|
1323 | $query='insert into '.GALAXIA_TABLE_PREFIX.'workitems |
---|
1324 | (wf_instance_id,wf_order_id,wf_activity_id,wf_started,wf_ended,wf_properties,wf_user) values(?,?,?,?,?,?,?)'; |
---|
1325 | $this->query($query,array((int)$iid,(int)$max,(int)$activityId,(int)$started,(int)$ended,$properties,$putuser)); |
---|
1326 | return true; |
---|
1327 | } |
---|
1328 | |
---|
1329 | /** |
---|
1330 | * Send autorouted activities to the next one(s) |
---|
1331 | * YOU MUST NOT CALL sendAutorouted() for non-interactive activities since |
---|
1332 | * the engine does automatically complete and send automatic activities after |
---|
1333 | * executing them |
---|
1334 | * This function is in fact a Private function runned by the engine |
---|
1335 | * You should never use it without knowing very well what you're doing |
---|
1336 | * |
---|
1337 | * @param int $activityId activity that is being completed, when this is not |
---|
1338 | * passed the engine takes it from the $_REQUEST array,all activities |
---|
1339 | * are executed passing the activityId in the URI |
---|
1340 | * @param bool $force indicates that the instance must be routed no matter if the |
---|
1341 | * activity is auto-routing or not. This is used when "sending" an |
---|
1342 | * instance from a non-auto-routed activity to the next activity |
---|
1343 | * @return mixed |
---|
1344 | * @access private |
---|
1345 | */ |
---|
1346 | function sendAutorouted($activityId,$force=false) |
---|
1347 | { |
---|
1348 | $returned_value = Array(); |
---|
1349 | $type = $this->getOne("select `wf_type` from `".GALAXIA_TABLE_PREFIX."activities` where `wf_activity_id`=?",array((int)$activityId)); |
---|
1350 | //on a end activity we have nothing to do |
---|
1351 | if ($type == 'end') |
---|
1352 | { |
---|
1353 | return true; |
---|
1354 | } |
---|
1355 | //If the activity ending is not autorouted then we have nothing to do |
---|
1356 | if (!(($force) || ($this->getOne("select `wf_is_autorouted` from `".GALAXIA_TABLE_PREFIX."activities` where `wf_activity_id`=?",array($activityId)) == 'y'))) |
---|
1357 | { |
---|
1358 | $returned_value['transition']['status'] = 'not autorouted'; |
---|
1359 | return $returned_value; |
---|
1360 | } |
---|
1361 | //If the activity ending is autorouted then send to the activity |
---|
1362 | // Now determine where to send the instance |
---|
1363 | $candidates = $this->getActivityCandidates($activityId); |
---|
1364 | if($type == 'split') |
---|
1365 | { |
---|
1366 | $erase_from = false; |
---|
1367 | $num_candidates = count($candidates); |
---|
1368 | $returned_data = Array(); |
---|
1369 | $i = 1; |
---|
1370 | foreach ($candidates as $cand) |
---|
1371 | { |
---|
1372 | // only erase split activity in instance when all the activities comming from the split have been set up |
---|
1373 | if ($i == $num_candidates) |
---|
1374 | { |
---|
1375 | $erase_from = true; |
---|
1376 | } |
---|
1377 | $returned_data[$i] = $this->sendTo($activityId,$cand,$erase_from); |
---|
1378 | $this->unsetNextUser($cand); |
---|
1379 | $this->sync(); |
---|
1380 | $i++; |
---|
1381 | } |
---|
1382 | $this->unsetNextUser('*' . $activityId); |
---|
1383 | $this->sync(); |
---|
1384 | return $returned_data; |
---|
1385 | } |
---|
1386 | elseif($type == 'switch') |
---|
1387 | { |
---|
1388 | if (in_array($this->nextActivity[$activityId],$candidates)) |
---|
1389 | { |
---|
1390 | $selectedActivity = $this->nextActivity[$activityId]; |
---|
1391 | foreach ($candidates as $candidate) |
---|
1392 | if ($candidate != $selectedActivity) |
---|
1393 | $this->unsetNextUser($candidate); |
---|
1394 | $output = $this->sendTo((int)$activityId,(int)$selectedActivity); |
---|
1395 | $this->unsetNextUser($selectedActivity); |
---|
1396 | $this->unsetNextUser('*' . $activityId); |
---|
1397 | $this->sync(); |
---|
1398 | return $output; |
---|
1399 | } |
---|
1400 | else |
---|
1401 | { |
---|
1402 | $returned_value['transition']['failure'] = tra('Error: nextActivity does not match any candidate in autorouting switch activity'); |
---|
1403 | return $returned_value; |
---|
1404 | } |
---|
1405 | } |
---|
1406 | else |
---|
1407 | { |
---|
1408 | if (count($candidates)>1) |
---|
1409 | { |
---|
1410 | $returned_value['transition']['failure'] = tra('Error: non-deterministic decision for autorouting activity'); |
---|
1411 | return $returned_value; |
---|
1412 | } |
---|
1413 | else |
---|
1414 | { |
---|
1415 | $output = $this->sendTo((int)$activityId,(int)$candidates[0]); |
---|
1416 | $this->unsetNextUser($candidates[0]); |
---|
1417 | $this->unsetNextUser('*' . $activityId); |
---|
1418 | $this->sync(); |
---|
1419 | return $output; |
---|
1420 | } |
---|
1421 | } |
---|
1422 | } |
---|
1423 | |
---|
1424 | /** |
---|
1425 | * This is a semi-private function, use GUI's abort function |
---|
1426 | * Aborts an activity and terminates the whole instance. We still create a workitem to keep track |
---|
1427 | * of where in the process the instance was aborted |
---|
1428 | * |
---|
1429 | * @param bool $addworkitem |
---|
1430 | * @return bool |
---|
1431 | * @access public |
---|
1432 | * @todo review, reuse of completed code |
---|
1433 | */ |
---|
1434 | function abort($addworkitem=true) |
---|
1435 | { |
---|
1436 | // If we are aborting a start activity then the instance must |
---|
1437 | // be created first! |
---|
1438 | // ==> No, there's no reason to have an uncompleted start activity to abort |
---|
1439 | |
---|
1440 | // load all the activities of the current instance |
---|
1441 | if ($addworkitem) |
---|
1442 | { |
---|
1443 | $activities = array(); |
---|
1444 | $query = 'SELECT a.wf_type AS wf_type, ia.wf_activity_id AS wf_activity_id FROM '.GALAXIA_TABLE_PREFIX.'activities a, '.GALAXIA_TABLE_PREFIX.'instance_activities ia WHERE (ia.wf_activity_id = a.wf_activity_id) AND (ia.wf_instance_id = ?)'; |
---|
1445 | $result = $this->query($query,array((int)$this->instanceId)); |
---|
1446 | while ($row = $result->fetchRow()) |
---|
1447 | $activities[] = $row; |
---|
1448 | } |
---|
1449 | |
---|
1450 | // Now set ended on instance_activities |
---|
1451 | $now = date("U"); |
---|
1452 | |
---|
1453 | // terminate the instance with status 'aborted' |
---|
1454 | if (!($this->terminate($now,'aborted'))) |
---|
1455 | return false; |
---|
1456 | |
---|
1457 | //now we synchronise instance with the database |
---|
1458 | if (!($this->sync())) |
---|
1459 | return false; |
---|
1460 | |
---|
1461 | //Add a workitem to the instance |
---|
1462 | if ($addworkitem) |
---|
1463 | { |
---|
1464 | foreach ($activities as $activity) |
---|
1465 | if (!($this->addworkitem($activity['wf_type'], $now, $activity['wf_activity_id']))) |
---|
1466 | return false; |
---|
1467 | return true; |
---|
1468 | } |
---|
1469 | else |
---|
1470 | { |
---|
1471 | return true; |
---|
1472 | } |
---|
1473 | } |
---|
1474 | |
---|
1475 | /** |
---|
1476 | * Terminates the instance marking the instance and the process |
---|
1477 | * as completed. This is the end of a process |
---|
1478 | * Normally you should not call this method since it is automatically |
---|
1479 | * called when an end activity is completed |
---|
1480 | * object is synched at the end of this function |
---|
1481 | * |
---|
1482 | * @param int $time terminating time |
---|
1483 | * @param string $status |
---|
1484 | * @return bool |
---|
1485 | * @access private |
---|
1486 | */ |
---|
1487 | function terminate($time, $status = 'completed') { |
---|
1488 | //Set the status of the instance to completed |
---|
1489 | if (!($this->setEnded((int)$time))) return false; |
---|
1490 | if (!($this->setStatus($status))) return false; |
---|
1491 | $query = "delete from `".GALAXIA_TABLE_PREFIX."instance_activities` where `wf_instance_id`=?"; |
---|
1492 | $this->query($query,array((int)$this->instanceId)); |
---|
1493 | return $this->sync(); |
---|
1494 | } |
---|
1495 | |
---|
1496 | |
---|
1497 | /** |
---|
1498 | * Sends the instance from some activity to another activity. (walk on a transition) |
---|
1499 | * You should not call this method unless you know very very well what |
---|
1500 | * you are doing |
---|
1501 | * |
---|
1502 | * @param int $from activity id at the start of the transition |
---|
1503 | * @param int $activityId activity id at the end of the transition |
---|
1504 | * @param bool $erase_from true by default, if true the coming activity row will be erased from |
---|
1505 | * instance_activities table. You should set it to false for example with split activities while |
---|
1506 | * you still want to re-call this function |
---|
1507 | * @return mixed false if anything goes wrong, true if we are at the end of the execution tree and an array |
---|
1508 | * if a part of the process was automatically runned at the end of the transition. this array contains |
---|
1509 | * 2 keys 'transition' is the transition we walked on, 'activity' is the result of the run part if it was an automatic activity. |
---|
1510 | * 'activity' value is an associated array containing several usefull keys: |
---|
1511 | * 'completed' is a boolean indicating that the activity was completed or not |
---|
1512 | * 'debug contains debug messages |
---|
1513 | * 'info' contains some usefull infos about the activity-instance running (like names) |
---|
1514 | * 'next' is the result of a SendAutorouted part which could in fact be the result of a call to this function, etc |
---|
1515 | * @access public |
---|
1516 | */ |
---|
1517 | function sendTo($from,$activityId,$erase_from=true) |
---|
1518 | { |
---|
1519 | //we will use an array for return value |
---|
1520 | $returned_data = Array(); |
---|
1521 | //1: if we are in a join check |
---|
1522 | //if this instance is also in |
---|
1523 | //other activity if so do |
---|
1524 | //nothing |
---|
1525 | $query = 'select wf_type, wf_name from '.GALAXIA_TABLE_PREFIX.'activities where wf_activity_id=?'; |
---|
1526 | $result = $this->query($query,array($activityId)); |
---|
1527 | if (empty($result)) |
---|
1528 | { |
---|
1529 | $returned_data['transition']['failure'] = tra('Error: trying to send an instance to an activity but it was impossible to get this activity'); |
---|
1530 | return $returned_data; |
---|
1531 | } |
---|
1532 | while ($res = $result->fetchRow()) |
---|
1533 | { |
---|
1534 | $type = $res['wf_type']; |
---|
1535 | $targetname = $res['wf_name']; |
---|
1536 | } |
---|
1537 | $returned_data['transition']['target_id'] = $activityId; |
---|
1538 | $returned_data['transition']['target_name'] = $targetname; |
---|
1539 | |
---|
1540 | // Verify the existence of a transition |
---|
1541 | if(!$this->getOne("select count(*) from `".GALAXIA_TABLE_PREFIX."transitions` where `wf_act_from_id`=? and `wf_act_to_id`=?",array($from,(int)$activityId))) { |
---|
1542 | $returned_data['transition']['failure'] = tra('Error: trying to send an instance to an activity but no transition found'); |
---|
1543 | return $returned_data; |
---|
1544 | } |
---|
1545 | |
---|
1546 | //init |
---|
1547 | $putuser=0; |
---|
1548 | |
---|
1549 | //try to determine the user or * |
---|
1550 | //Use the nextUser |
---|
1551 | $the_next_user = $this->getNextUser($activityId); |
---|
1552 | if($the_next_user) |
---|
1553 | { |
---|
1554 | //we check rights for this user on the next activity |
---|
1555 | if (!(isset($this->security))) $this->security = &Factory::getInstance('WfSecurity'); |
---|
1556 | if ($this->security->checkUserAccess($the_next_user,$activityId)) |
---|
1557 | { |
---|
1558 | $putuser = $the_next_user; |
---|
1559 | } |
---|
1560 | } |
---|
1561 | if ($putuser===0) |
---|
1562 | { |
---|
1563 | // then check to see if there is a default user |
---|
1564 | $activity_manager = &Factory::newInstance('ActivityManager'); |
---|
1565 | //get_default_user will give us '*' if there is no default_user or if the default user has no role |
---|
1566 | //mapped anymore |
---|
1567 | $default_user = $activity_manager->get_default_user($activityId,true); |
---|
1568 | unset($activity_manager); |
---|
1569 | // if they were no nextUser, no unique user avaible, no default_user then we'll have '*' |
---|
1570 | // which will let user having the good role mapping grab this activity later |
---|
1571 | $putuser = $default_user; |
---|
1572 | } |
---|
1573 | if ($the_next_user) |
---|
1574 | $this->setNextUser($the_next_user, '*' . $activityId); |
---|
1575 | |
---|
1576 | //update the instance_activities table |
---|
1577 | //if not splitting delete first |
---|
1578 | //please update started,status,user |
---|
1579 | if (($erase_from) && (!empty($this->instanceId))) |
---|
1580 | { |
---|
1581 | $query = "delete from `".GALAXIA_TABLE_PREFIX."instance_activities` where `wf_instance_id`=? and `wf_activity_id`=?"; |
---|
1582 | $this->query($query,array((int)$this->instanceId,$from)); |
---|
1583 | } |
---|
1584 | |
---|
1585 | if ($type == 'join') { |
---|
1586 | if (count($this->activities)>1) { |
---|
1587 | // This instance will have to wait! |
---|
1588 | $returned_data['transition']['status'] = 'waiting'; |
---|
1589 | return $returned_data; |
---|
1590 | } |
---|
1591 | } |
---|
1592 | |
---|
1593 | //create the new instance-activity |
---|
1594 | $returned_data['transition']['target_id'] = $activityId; |
---|
1595 | $returned_data['transition']['target_name'] = $targetname; |
---|
1596 | $now = date("U"); |
---|
1597 | $iid = $this->instanceId; |
---|
1598 | $query="delete from `".GALAXIA_TABLE_PREFIX."instance_activities` where `wf_instance_id`=? and `wf_activity_id`=?"; |
---|
1599 | $this->query($query,array((int)$iid,(int)$activityId)); |
---|
1600 | $query="insert into `".GALAXIA_TABLE_PREFIX."instance_activities`(`wf_instance_id`,`wf_activity_id`,`wf_user`,`wf_status`,`wf_started`) values(?,?,?,?,?)"; |
---|
1601 | $this->query($query,array((int)$iid,(int)$activityId,$putuser,'running',(int)$now)); |
---|
1602 | |
---|
1603 | //record the transition walk |
---|
1604 | $returned_data['transition']['status'] = 'done'; |
---|
1605 | |
---|
1606 | |
---|
1607 | //we are now in a new activity |
---|
1608 | $this->_populate_activities($iid); |
---|
1609 | //if the activity is not interactive then |
---|
1610 | //execute the code for the activity and |
---|
1611 | //complete the activity |
---|
1612 | $isInteractive = $this->getOne("select `wf_is_interactive` from `".GALAXIA_TABLE_PREFIX."activities` where `wf_activity_id`=?",array((int)$activityId)); |
---|
1613 | if ($isInteractive=='n') |
---|
1614 | { |
---|
1615 | //first we sync actual instance because the next activity could need it |
---|
1616 | if (!($this->sync())) |
---|
1617 | { |
---|
1618 | $returned_data['activity']['failure'] = true; |
---|
1619 | return $returned_data; |
---|
1620 | } |
---|
1621 | // Now execute the code for the activity |
---|
1622 | $this->activityID = $activityId; |
---|
1623 | $returned_data['activity'] = $this->executeAutomaticActivity($activityId, $iid); |
---|
1624 | $this->activityID = $from; |
---|
1625 | } |
---|
1626 | else |
---|
1627 | { |
---|
1628 | // we sync actual instance |
---|
1629 | if (!($this->sync())) |
---|
1630 | { |
---|
1631 | $returned_data['failure'] = true; |
---|
1632 | return $returned_data; |
---|
1633 | } |
---|
1634 | } |
---|
1635 | return $returned_data; |
---|
1636 | } |
---|
1637 | |
---|
1638 | /** |
---|
1639 | * This is a public method only because the GUI can ask this action for the admin |
---|
1640 | * on restart failed automated activities, but in fact it's quite an internal function, |
---|
1641 | * This function handle the execution of automatic activities (and the launch of transitions |
---|
1642 | * which can be related to this activity) |
---|
1643 | * |
---|
1644 | * @param int $activityId activity id at the end of the transition |
---|
1645 | * @param int $iid instance id |
---|
1646 | * @return array |
---|
1647 | * @access public |
---|
1648 | */ |
---|
1649 | function executeAutomaticActivity($activityId, $iid) |
---|
1650 | { |
---|
1651 | $returned_data = Array(); |
---|
1652 | // Now execute the code for the activity (function defined in galaxia's config.php) |
---|
1653 | $returned_data =& galaxia_execute_activity($activityId, $iid , 1); |
---|
1654 | |
---|
1655 | //we should have some info in $returned_data now. if it is false there's a problem |
---|
1656 | if ((!(is_array($returned_data))) && (!($returned_data)) ) |
---|
1657 | { |
---|
1658 | $this->error[] = tra('failed to execute automatic activity'); |
---|
1659 | //record the failure |
---|
1660 | $returned_data['failure'] = true; |
---|
1661 | return $returned_data; |
---|
1662 | } |
---|
1663 | else |
---|
1664 | { |
---|
1665 | //ok, we have an array, but it can still be a bad result |
---|
1666 | //this one is just for debug info |
---|
1667 | if (isset($returned_data['debug'])) |
---|
1668 | { |
---|
1669 | //we retrieve this info here, in this object |
---|
1670 | $this->error[] = $returned_data['debug']; |
---|
1671 | } |
---|
1672 | //and this really test if it worked, if not we have a nice failure message (better than just failure=true) |
---|
1673 | if (isset($returned_data['failure'])) |
---|
1674 | { |
---|
1675 | $this->error[] = tra('failed to execute automatic activity'); |
---|
1676 | $this->error[] = $returned_data['failure']; |
---|
1677 | //record the failure |
---|
1678 | return $returned_data; |
---|
1679 | } |
---|
1680 | |
---|
1681 | } |
---|
1682 | // Reload in case the activity did some change, last sync was done just before calling this function |
---|
1683 | //TODO: check if this sync is really needed |
---|
1684 | $this->getInstance($this->instanceId, false, false); |
---|
1685 | |
---|
1686 | //complete the automatic activity---------------------------- |
---|
1687 | if ($this->Complete($activityId)) |
---|
1688 | { |
---|
1689 | $returned_data['completed'] = true; |
---|
1690 | |
---|
1691 | //and send the next autorouted activity if any |
---|
1692 | $returned_data['next'] = $this->sendAutorouted($activityId); |
---|
1693 | } |
---|
1694 | else |
---|
1695 | { |
---|
1696 | $returned_data['failure'] = $this->get_error(); |
---|
1697 | } |
---|
1698 | return $returned_data; |
---|
1699 | } |
---|
1700 | |
---|
1701 | /** |
---|
1702 | * Gets a comment for this instance |
---|
1703 | * |
---|
1704 | * @param int $cId |
---|
1705 | * @return mixed |
---|
1706 | * @access public |
---|
1707 | */ |
---|
1708 | function get_instance_comment($cId) { |
---|
1709 | $iid = $this->instanceId; |
---|
1710 | $query = "select * from `".GALAXIA_TABLE_PREFIX."instance_comments` where `wf_instance_id`=? and `wf_c_id`=?"; |
---|
1711 | $result = $this->query($query,array((int)$iid,(int)$cId)); |
---|
1712 | $res = $result->fetchRow(); |
---|
1713 | return $res; |
---|
1714 | } |
---|
1715 | |
---|
1716 | /** |
---|
1717 | * Inserts or updates an instance comment |
---|
1718 | * |
---|
1719 | * @param int $cId |
---|
1720 | * @param int $activityId |
---|
1721 | * @param object $activity |
---|
1722 | * @param int $user |
---|
1723 | * @param string $title |
---|
1724 | * @param mixed $comment |
---|
1725 | * @return bool |
---|
1726 | * @access public |
---|
1727 | */ |
---|
1728 | function replace_instance_comment($cId, $activityId, $activity, $user, $title, $comment) { |
---|
1729 | if (!$user) { |
---|
1730 | $user = 'Anonymous'; |
---|
1731 | } |
---|
1732 | $iid = $this->instanceId; |
---|
1733 | //no need on pseudo-instance |
---|
1734 | if (!!($this->instanceId)) |
---|
1735 | { |
---|
1736 | if ($cId) |
---|
1737 | { |
---|
1738 | $query = "update `".GALAXIA_TABLE_PREFIX."instance_comments` set `wf_title`=?,`wf_comment`=? where `wf_instance_id`=? and `wf_c_id`=?"; |
---|
1739 | $this->query($query,array($title,$comment,(int)$iid,(int)$cId)); |
---|
1740 | } |
---|
1741 | else |
---|
1742 | { |
---|
1743 | $hash = md5($title.$comment); |
---|
1744 | if ($this->getOne("select count(*) from `".GALAXIA_TABLE_PREFIX."instance_comments` where `wf_instance_id`=? and `wf_hash`=?",array($iid,$hash))) |
---|
1745 | { |
---|
1746 | return false; |
---|
1747 | } |
---|
1748 | $now = date("U"); |
---|
1749 | $query ="insert into `".GALAXIA_TABLE_PREFIX."instance_comments`(`wf_instance_id`,`wf_user`,`wf_activity_id`,`wf_activity`,`wf_title`,`wf_comment`,`wf_timestamp`,`wf_hash`) values(?,?,?,?,?,?,?,?)"; |
---|
1750 | $this->query($query,array((int)$iid,$user,(int)$activityId,$activity,$title,$comment,(int)$now,$hash)); |
---|
1751 | } |
---|
1752 | } |
---|
1753 | return true; |
---|
1754 | } |
---|
1755 | |
---|
1756 | /** |
---|
1757 | * Removes an instance comment |
---|
1758 | * |
---|
1759 | * @param int $cId |
---|
1760 | * @access public |
---|
1761 | * @return void |
---|
1762 | */ |
---|
1763 | function remove_instance_comment($cId) { |
---|
1764 | $iid = $this->instanceId; |
---|
1765 | $query = "delete from `".GALAXIA_TABLE_PREFIX."instance_comments` where `wf_c_id`=? and `wf_instance_id`=?"; |
---|
1766 | $this->query($query,array((int)$cId,(int)$iid)); |
---|
1767 | } |
---|
1768 | |
---|
1769 | /** |
---|
1770 | * Lists instance comments |
---|
1771 | * |
---|
1772 | * @return array |
---|
1773 | * @access public |
---|
1774 | */ |
---|
1775 | function get_instance_comments() { |
---|
1776 | $iid = $this->instanceId; |
---|
1777 | $query = "select * from `".GALAXIA_TABLE_PREFIX."instance_comments` where `wf_instance_id`=? order by ".$this->convert_sortmode("timestamp_desc"); |
---|
1778 | $result = $this->query($query,array((int)$iid)); |
---|
1779 | $ret = Array(); |
---|
1780 | while($res = $result->fetchRow()) { |
---|
1781 | $ret[] = $res; |
---|
1782 | } |
---|
1783 | return $ret; |
---|
1784 | } |
---|
1785 | |
---|
1786 | /** |
---|
1787 | * Get the activity candidates (more than one in split and switch) |
---|
1788 | * |
---|
1789 | * @param int $activityID The activity from which we want to obtain the candidate activities |
---|
1790 | * @return array List of activities that can be reached from one given activity |
---|
1791 | * @access public |
---|
1792 | */ |
---|
1793 | function getActivityCandidates($activityID) |
---|
1794 | { |
---|
1795 | $query = 'SELECT wf_act_to_id FROM ' . GALAXIA_TABLE_PREFIX . 'transitions WHERE (wf_act_from_id = ?)'; |
---|
1796 | $result = $this->query($query, array((int) $activityID)); |
---|
1797 | $candidates = Array(); |
---|
1798 | while ($res = $result->fetchRow()) |
---|
1799 | $candidates[] = $res['wf_act_to_id']; |
---|
1800 | return $candidates; |
---|
1801 | } |
---|
1802 | } |
---|
1803 | ?> |
---|