1 | <?php |
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2 | |
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3 | /**************************************************************************\ |
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4 | * eGroupWare * |
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5 | * http://www.egroupware.org * |
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6 | * -------------------------------------------- * |
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7 | * This program is free software; you can redistribute it and/or modify it * |
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8 | * under the terms of the GNU General Public License as published by the * |
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9 | * Free Software Foundation; either version 2 of the License, or (at your * |
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10 | * option) any later version. * |
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11 | \**************************************************************************/ |
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12 | |
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13 | |
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14 | /** |
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15 | * Camada Model para Mover Instâncias. |
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16 | * @package Workflow |
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17 | * @author Sidnei Augusto Drovetto Jr. - drovetto@gmail.com |
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18 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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19 | */ |
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20 | class so_move_instances |
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21 | { |
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22 | /** |
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23 | * @var bool True se o usuário for administrador do expresso. |
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24 | * @access private |
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25 | */ |
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26 | private $isAdmin; |
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27 | |
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28 | /** |
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29 | * @var int ID do usuário logado no Expresso |
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30 | * @access private |
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31 | */ |
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32 | private $userID; |
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33 | |
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34 | /** |
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35 | * @var object Link para a ACL do Workflow. |
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36 | * @access private |
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37 | */ |
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38 | private $acl; |
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39 | |
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40 | /** |
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41 | * @var object Link para o Banco de Dados do Expresso. |
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42 | * @access private |
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43 | */ |
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44 | private $db; |
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45 | |
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46 | /** |
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47 | * Checa se o usuário possui direitos administrativos em um processo. |
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48 | * @param int $processID O ID do processo que se quer checar se o usuário tem direito administrativo. |
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49 | * @return bool True em caso de sucesso. Em caso de falha, a execução é abortada. |
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50 | * @access private |
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51 | */ |
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52 | private function _checkAccess($processID = null) |
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53 | { |
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54 | /* the user is an administrator */ |
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55 | if ($this->isAdmin) |
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56 | return true; |
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57 | |
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58 | if (!is_null($processID)) |
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59 | { |
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60 | if ($this->acl->checkUserGroupAccessToResource('PRO', $this->userID, $processID)) |
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61 | return true; |
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62 | else |
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63 | die(serialize("Você não tem permissão para executar este procedimento!")); |
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64 | } |
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65 | if ($this->acl->checkUserGroupAccessToType('PRO', $this->userID)) |
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66 | return true; |
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67 | |
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68 | die(serialize("Você não tem permissão para executar este procedimento!")); |
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69 | } |
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70 | |
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71 | /** |
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72 | * Verifica se houve erro em alguma query do Banco de Dados. |
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73 | * @param object $result O resultado de alguma query |
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74 | * @return void |
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75 | * @access private |
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76 | */ |
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77 | private function _checkError($result) |
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78 | { |
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79 | if ($result === false) |
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80 | die(serialize("Ocorreu um erro ao se tentar executar a operação solicitada.")); |
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81 | } |
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82 | |
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83 | /** |
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84 | * Construtor da classe so_move_instances |
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85 | * @return object |
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86 | */ |
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87 | function so_move_instances() |
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88 | { |
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89 | $this->userID = $_SESSION['phpgw_info']['workflow']['account_id']; |
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90 | $this->isAdmin = $_SESSION['phpgw_info']['workflow']['user_is_admin']; |
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91 | $this->acl =& $GLOBALS['ajax']->acl; |
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92 | $this->db =& Factory::getInstance('WorkflowObjects')->getDBGalaxia()->Link_ID; |
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93 | } |
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94 | |
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95 | /** |
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96 | * Carrega a lista de processos que o usuário tem acesso. |
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97 | * @return array Lista de processos. |
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98 | * @access public |
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99 | */ |
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100 | function loadProcesses() |
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101 | { |
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102 | $this->_checkAccess(); |
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103 | |
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104 | $where = array(); |
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105 | if (!$this->isAdmin) |
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106 | { |
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107 | $processIDs = $this->acl->get_granted_processes($this->userID); |
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108 | if (count($processIDs) > 0) |
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109 | $where[] = 'wf_p_id IN (' . implode(',', $processIDs) . ')'; |
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110 | else |
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111 | $where[] = 'wf_p_id IS NULL'; |
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112 | } |
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113 | $processManager = &Factory::getInstance('ProcessManager'); |
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114 | |
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115 | /* workaround to sort the result using two columns */ |
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116 | $items = $processManager->list_processes(0, -1, 'wf_name__ASC, wf_version ASC', '', implode(' AND ', $where)); |
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117 | $output = array(); |
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118 | foreach ($items['data'] as $item) |
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119 | $output[] = array( |
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120 | 'wf_p_id' => $item['wf_p_id'], |
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121 | 'wf_name' => $item['wf_name'], |
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122 | 'wf_version' => $item['wf_version']); |
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123 | |
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124 | return $output; |
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125 | } |
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126 | |
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127 | /** |
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128 | * Carrega a lista de atividades de um processo (com exceção de atividades do tipo Standalone e View). |
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129 | * @param int $processID O ID do processo do qual se quer a lista de atividades. |
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130 | * @return array Lista de atividades de um processo. |
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131 | * @access public |
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132 | */ |
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133 | function loadProcessActivities($processID) |
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134 | { |
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135 | $this->_checkAccess($processID); |
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136 | |
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137 | $activityManager = &Factory::newInstance('ActivityManager'); |
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138 | $activities = $activityManager->list_activities($processID, 0, -1, 'wf_name__ASC', '', 'wf_type <> \'standalone\' AND wf_type <> \'view\''); |
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139 | $output = array(); |
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140 | foreach ($activities['data'] as $activity) |
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141 | $output[] = array( |
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142 | 'wf_activity_id' => $activity['wf_activity_id'], |
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143 | 'wf_name' => $activity['wf_name'], |
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144 | 'wf_type' => $activity['wf_type']); |
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145 | return $output; |
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146 | } |
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147 | |
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148 | /** |
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149 | * Faz um pré-relacionamento das atividades dos dois processos. |
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150 | * @param array $fromActivities Lista de atividades do processo de origem. |
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151 | * @param array $toActivities Lista de atividades do processo de destino. |
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152 | * @param float $threshold Limiar que define a menor porcentagem de semelhança entre o nome de duas atividades para que estas sejam relacionadas. |
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153 | * @return array Lista de atividades relacionadas. |
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154 | * @access public |
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155 | */ |
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156 | function matchActivities($fromActivities, $toActivities, $threshold) |
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157 | { |
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158 | $preOutput = array(); |
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159 | foreach ($fromActivities as $fromActivity) |
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160 | { |
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161 | $fromActivityName = $fromActivity['wf_name']; |
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162 | $fromActivityID = $fromActivity['wf_activity_id']; |
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163 | foreach ($toActivities as $toActivity) |
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164 | { |
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165 | $toActivityName = $toActivity['wf_name']; |
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166 | $toActivityID = $toActivity['wf_activity_id']; |
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167 | $currentValue = isset($preOutput[$fromActivityID]) ? $preOutput[$fromActivityID]['value'] : 0; |
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168 | |
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169 | similar_text($fromActivityName, $toActivityName, $matchValue); |
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170 | if (($matchValue > $threshold) && ($matchValue > $currentValue)) |
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171 | $preOutput[$fromActivityID] = array( |
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172 | 'activityID' => $toActivityID, |
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173 | 'value' => $matchValue); |
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174 | } |
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175 | } |
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176 | $output = array(); |
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177 | foreach ($preOutput as $fromActivityID => $toActivityInfo) |
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178 | $output[] = array( |
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179 | 'from' => $fromActivityID, |
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180 | 'to' => $toActivityInfo['activityID']); |
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181 | |
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182 | return $output; |
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183 | } |
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184 | |
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185 | /** |
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186 | * Move as instâncias de um processo para outro. |
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187 | * @param int $from O ID do processo de origem. |
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188 | * @param int $to O ID do processo de destino. |
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189 | * @param bool $active Indica se devem ser movidas as instâncias ativas. |
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190 | * @param bool $completed Indica se devem ser movidas as instâncias finalizadas. |
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191 | * @param array $activityMappings O relacionamento entre as atividades dos dois processos. |
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192 | * @return bool TRUE em caso de sucesso e FALSE caso contrário. |
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193 | * @access public |
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194 | */ |
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195 | function moveInstances($from, $to, $activityMappings, $active, $completed) |
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196 | { |
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197 | $this->_checkAccess($from); |
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198 | $this->_checkAccess($to); |
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199 | |
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200 | if (($active || $completed) == false) |
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201 | return array('error' => 'Nenhuma instância foi movida. Selecione pelo menos uma das checkboxes do status das instâncias.'); |
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202 | |
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203 | $instanceStatus = array(); |
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204 | $instanceActivityStatus = array(); |
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205 | if ($active) |
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206 | { |
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207 | $instanceStatus[] = "'active'"; |
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208 | $instanceStatus[] = "'exception'"; |
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209 | $instanceActivityStatus[] = "'running'"; |
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210 | } |
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211 | |
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212 | if ($completed) |
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213 | { |
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214 | $instanceStatus[] = "'completed'"; |
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215 | $instanceStatus[] = "'aborted'"; |
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216 | $instanceActivityStatus[] = "'completed'"; |
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217 | |
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218 | } |
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219 | |
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220 | /* create an array for quick conversion between the old and the new activities ID */ |
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221 | $activitiesConvert = array(); |
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222 | foreach ($activityMappings as $toActivityID => $fromActivities) |
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223 | foreach ($fromActivities as $fromActivityID) |
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224 | $activitiesConvert[$fromActivityID] = $toActivityID; |
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225 | |
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226 | $this->db->StartTrans(); |
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227 | $transactionResult = true; |
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228 | |
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229 | /* update the instances table */ |
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230 | $resultSet = $this->db->query("SELECT wf_instance_id, wf_next_activity, wf_next_user FROM egw_wf_instances WHERE (wf_status IN (" . implode(', ', $instanceStatus) . ")) AND (wf_p_id = ?)", array($from)); |
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231 | $rows = $resultSet->GetArray(-1); |
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232 | $instanceList = array(); |
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233 | if (is_array($rows)) |
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234 | { |
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235 | foreach ($rows as $row) |
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236 | { |
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237 | /* save the ID of the instances for future use */ |
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238 | $instanceList[] = $row['wf_instance_id']; |
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239 | |
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240 | /* get the data and unserialize them */ |
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241 | $oldInstance = array( |
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242 | 'wf_instance_id' => $row['wf_instance_id'], |
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243 | 'wf_next_activity' => unserialize(base64_decode($row['wf_next_activity'])), |
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244 | 'wf_next_user' => unserialize(base64_decode($row['wf_next_user']))); |
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245 | |
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246 | /* change the next activity */ |
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247 | $newInstance['wf_next_activity'] = array(); |
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248 | if (is_array($oldInstance['wf_next_activity'])) |
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249 | { |
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250 | foreach ($oldInstance['wf_next_activity'] as $k => $v) |
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251 | $newInstance['wf_next_activity'][$activitiesConvert[$k]] = $activitiesConvert[$v]; |
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252 | } |
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253 | |
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254 | /* change the next user */ |
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255 | $newInstance['wf_next_user'] = array(); |
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256 | if (is_array($oldInstance['wf_next_user'])) |
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257 | { |
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258 | foreach ($oldInstance['wf_next_user'] as $k => $v) |
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259 | if ($k[0] == '*') |
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260 | $newInstance['wf_next_user']['*' . $activitiesConvert[substr($k, 1)]] = $v; |
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261 | else |
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262 | $newInstance['wf_next_user'][$activitiesConvert[$k]] = $v; |
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263 | } |
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264 | |
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265 | /* serialize and encode the data */ |
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266 | $newInstance['wf_next_activity'] = base64_encode(serialize($newInstance['wf_next_activity'])); |
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267 | $newInstance['wf_next_user'] = base64_encode(serialize($newInstance['wf_next_user'])); |
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268 | |
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269 | /* update the egw_wf_instances table */ |
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270 | if (!$this->db->query("UPDATE egw_wf_instances SET wf_next_activity = ?, wf_next_user = ?, wf_p_id = ? WHERE (wf_instance_id = ?)", array($newInstance['wf_next_activity'], $newInstance['wf_next_user'], $to, $oldInstance['wf_instance_id']))) |
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271 | { |
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272 | $this->db->FailTrans(); |
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273 | return array('error' => 'Erro atualizando a tabela de instâncias. Nenhuma modificação foi salva'); |
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274 | } |
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275 | } |
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276 | } |
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277 | /* assure at least one element */ |
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278 | $instanceList[] = -1; |
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279 | |
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280 | /* update the instance_activities table */ |
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281 | $instanceActivityList = array(); |
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282 | $resultSet = $this->db->query("SELECT wf_instance_id, wf_activity_id FROM egw_wf_instance_activities WHERE (wf_status IN (" . implode(', ', $instanceActivityStatus) . ")) AND (wf_activity_id IN (" . implode(', ', array_keys($activitiesConvert)) . "))"); |
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283 | $rows = $resultSet->GetArray(-1); |
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284 | if (is_array($rows)) |
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285 | { |
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286 | foreach ($rows as $row) |
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287 | { |
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288 | /* save the instance ID and activity ID pair for future use */ |
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289 | $instanceActivityList[] = array( |
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290 | 'iid' => $row['wf_instance_id'], |
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291 | 'aid' => $row['wf_activity_id']); |
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292 | |
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293 | /* update the activity ID */ |
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294 | if (!$this->db->query("UPDATE egw_wf_instance_activities SET wf_activity_id = ? WHERE (wf_instance_id = ?) AND (wf_activity_id = ?)", array($activitiesConvert[$row['wf_activity_id']], $row['wf_instance_id'], $row['wf_activity_id']))) |
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295 | { |
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296 | $this->db->FailTrans(); |
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297 | return array('error' => 'Erro atualizando a tabela que relaciona instâncias e atividades. Nenhuma modificação foi salva'); |
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298 | } |
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299 | } |
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300 | } |
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301 | /* assure at least one element */ |
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302 | $instanceActivityList[] = array('iid' => -1, 'aid' => -1); |
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303 | |
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304 | /* update the workitems of the modified instances */ |
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305 | $resultSet = $this->db->query("SELECT wf_item_id, wf_activity_id FROM egw_wf_workitems WHERE (wf_instance_id IN (" . implode(', ', $instanceList) . "))"); |
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306 | $rows = $resultSet->GetArray(-1); |
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307 | if (is_array($rows)) |
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308 | { |
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309 | foreach ($rows as $row) |
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310 | { |
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311 | /* update the activity ID */ |
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312 | if (!$this->db->query("UPDATE egw_wf_workitems SET wf_activity_id = ? WHERE (wf_item_id = ?)", array($activitiesConvert[$row['wf_activity_id']], $row['wf_item_id']))) |
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313 | { |
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314 | $this->db->FailTrans(); |
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315 | return array('error' => 'Erro atualizando a tabela de workitems. Nenhuma modificação foi salva'); |
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316 | } |
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317 | } |
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318 | } |
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319 | |
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320 | /* format the array elements for use in a SELECT SQL statement, e.g. [iid => 12, aid = 27] would produce (12, 27) */ |
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321 | $instanceActivityList = array_map(create_function('$e', 'return \'(\' . $e[\'iid\'] . \', \' . $e[\'aid\'] . \')\';'), $instanceActivityList); |
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322 | |
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323 | /* update the interinstance relations of the modified rows of the instance_activities table */ |
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324 | $resultSet = $this->db->query("SELECT wf_parent_instance_id, wf_parent_activity_id FROM egw_wf_interinstance_relations WHERE ((wf_parent_instance_id, wf_parent_activity_id) IN (" . implode(', ', $instanceActivityList) . "))"); |
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325 | $rows = $resultSet->GetArray(-1); |
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326 | if (is_array($rows)) |
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327 | { |
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328 | foreach ($rows as $row) |
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329 | { |
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330 | /* update the activity ID */ |
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331 | if (!$this->db->query("UPDATE egw_wf_interinstance_relations SET wf_parent_activity_id = ? WHERE (wf_parent_instance_id = ?) AND (wf_parent_activity_id = ?)", array($activitiesConvert[$row['wf_parent_activity_id']], $row['wf_parent_instance_id'], $row['wf_parent_activity_id']))) |
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332 | { |
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333 | $this->db->FailTrans(); |
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334 | return array('error' => 'Erro atualizando a tabela de relacionamento inter-instância. Nenhuma modificação foi salva'); |
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335 | } |
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336 | } |
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337 | } |
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338 | |
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339 | /* in case of success, commit the modifications */ |
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340 | $this->db->CompleteTrans(); |
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341 | return true; |
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342 | } |
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343 | } |
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344 | ?> |
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