1 | <?php |
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2 | /**************************************************************************\ |
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3 | * eGroupWare - Calendar * |
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4 | * http://www.egroupware.org * |
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5 | * Based on Webcalendar by Craig Knudsen <cknudsen@radix.net> * |
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6 | * http://www.radix.net/~cknudsen * |
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7 | * Modified by Mark Peters <milosch@phpwhere.org> * |
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8 | * -------------------------------------------- * |
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9 | * This program is free software; you can redistribute it and/or modify it * |
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10 | * under the terms of the GNU General Public License as published by the * |
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11 | * Free Software Foundation; either version 2 of the License, or (at your * |
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12 | * option) any later version. * |
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13 | \**************************************************************************/ |
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14 | |
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15 | |
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16 | define('PHPGW_ACL_DELETEALARM',PHPGW_ACL_DELETE); // for now |
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17 | define('PHPGW_ACL_SETALARM',PHPGW_ACL_WRITE); |
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18 | define('PHPGW_ACL_READALARM',PHPGW_ACL_READ); |
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19 | |
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20 | class boalarm |
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21 | { |
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22 | var $so; |
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23 | var $cal; |
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24 | var $cal_id; |
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25 | |
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26 | var $tz_offset; |
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27 | |
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28 | var $debug = False; |
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29 | // var $debug = True; |
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30 | |
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31 | var $public_functions = array( |
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32 | 'add' => True, |
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33 | 'delete' => True |
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34 | ); |
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35 | |
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36 | function boalarm() |
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37 | { |
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38 | $cal_id = (isset($_POST['cal_id'])?(int)$_POST['cal_id']:''); |
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39 | if($cal_id) |
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40 | { |
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41 | $this->cal_id = $cal_id; |
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42 | } |
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43 | $this->bo = CreateObject('calendar.bocalendar',1); |
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44 | $this->so = CreateObject('calendar.socalendar',1); |
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45 | $this->tz_offset = $GLOBALS['phpgw']->datetime->tz_offset; |
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46 | |
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47 | if($this->debug) |
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48 | { |
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49 | echo "BO Owner : ".$this->bo->owner."<br>\n"; |
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50 | } |
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51 | |
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52 | if($this->bo->use_session) |
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53 | { |
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54 | $this->save_sessiondata(); |
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55 | } |
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56 | } |
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57 | |
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58 | function save_sessiondata() |
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59 | { |
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60 | $data = array( |
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61 | 'filter' => $this->bo->filter, |
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62 | 'cat_id' => $this->bo->cat_id, |
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63 | 'owner' => $this->bo->owner, |
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64 | 'year' => $this->bo->year, |
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65 | 'month' => $this->bo->month, |
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66 | 'day' => $this->bo->day |
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67 | ); |
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68 | $this->bo->save_sessiondata($data); |
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69 | } |
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70 | |
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71 | function read_entry($cal_id) |
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72 | { |
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73 | return $this->bo->read_entry((int)$cal_id); |
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74 | } |
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75 | |
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76 | /*! |
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77 | @function add |
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78 | @abstract adds a new alarm to an event |
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79 | @syntax add(&$event,$time,$login_id) |
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80 | @param &$event event to add the alarm too |
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81 | @param $time for the alarm in sec before the starttime of the event |
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82 | @param $login_id user to alarm |
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83 | @returns the alarm or False |
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84 | */ |
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85 | function add(&$event,$time,$owner) |
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86 | { |
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87 | //echo "<p>boalarm::add(event="; print_r($event); ",time=$time,owner=$owner)</p>\n"; |
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88 | if (!$this->check_perms(PHPGW_ACL_SETALARM,$owner) || !($cal_id = $event['id'])) |
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89 | { |
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90 | return False; |
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91 | } |
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92 | $alarm = Array( |
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93 | 'time' => ($etime=$this->bo->maketime($event['start'])) - $time, |
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94 | 'offset' => $time, |
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95 | 'owner' => $owner, |
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96 | 'enabled' => 1 |
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97 | ); |
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98 | $alarm['id'] = $this->so->save_alarm($cal_id,$alarm); |
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99 | $event['alarm'][$alarm['id']] = $alarm; |
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100 | $event['alarm'][$alarm['id']]['time'] = $alarm['time'] + $this->tz_offset; // allows viewing alarm time in users timezone |
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101 | |
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102 | return $alarm; |
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103 | } |
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104 | |
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105 | /*! |
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106 | @function check_perms |
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107 | @abstract checks if user has a certain grant from the owner of an alarm or event |
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108 | @syntax check_perms($grant,$owner) |
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109 | @param $grant PHPGW_ACL_{SET|READ|DELETE}ALARM (defined at the top of this file) |
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110 | */ |
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111 | function check_perms($grant,$owner) |
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112 | { |
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113 | return $this->bo->check_perms($grant,0,$owner); |
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114 | } |
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115 | |
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116 | /*! |
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117 | @function participants |
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118 | @abstract get the participants of an event, the user has grants to alarm |
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119 | @syntax participants($event,$fullnames=True) |
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120 | @param $event or cal_id of an event |
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121 | @param $fullnames if true return array with fullnames as values |
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122 | @returns array with account_ids as keys |
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123 | */ |
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124 | function participants($event,$fullnames=True) |
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125 | { |
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126 | if (!is_array($event)) |
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127 | { |
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128 | $event = $this->read_entry($event); |
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129 | } |
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130 | if (!$event) |
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131 | { |
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132 | return False; |
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133 | } |
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134 | $participants = array(); |
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135 | foreach ($event['participants'] as $uid => $status) |
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136 | { |
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137 | if ($this->check_perms(PHPGW_ACL_SETALARM,$uid)) |
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138 | { |
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139 | $participants[$uid] = $fullnames ? $GLOBALS['phpgw']->common->grab_owner_name($uid) : True; |
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140 | } |
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141 | } |
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142 | return $participants; |
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143 | } |
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144 | |
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145 | /*! |
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146 | @function enable |
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147 | @abstract enable or disable one or more alarms identified by its ids |
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148 | @syntax enable($ids,$enable=True) |
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149 | @param $ids array with alarm ids as keys (!) |
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150 | @returns the number of alarms enabled or -1 for insuficent permission to do so |
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151 | @note Not found alarms or insuficent perms stop the enableing of multiple alarms |
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152 | */ |
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153 | function enable($alarms,$enable=True) |
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154 | { |
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155 | $enabled = 0; |
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156 | foreach ($alarms as $id => $field) |
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157 | { |
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158 | if (!($alarm = $this->so->read_alarm($id))) |
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159 | { |
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160 | return 0; // alarm not found |
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161 | } |
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162 | if (!$alarm['enabled'] == !$enable) |
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163 | { |
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164 | continue; // nothing to do |
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165 | } |
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166 | if ($enable && !$this->check_perms(PHPGW_ACL_SETALARM,$alarm['owner']) || |
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167 | !$enable && !$this->check_perms(PHPGW_ACL_DELETEALARM,$alarm['owner'])) |
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168 | { |
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169 | return -1; |
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170 | } |
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171 | $alarm['enabled'] = (int)(!$alarm['enabled']); |
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172 | if ($this->so->save_alarm($alarm['cal_id'],$alarm)) |
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173 | { |
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174 | ++$enabled; |
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175 | } |
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176 | } |
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177 | return $enabled; |
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178 | } |
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179 | |
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180 | /*! |
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181 | @function delete |
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182 | @abstract delete one or more alarms identified by its ids |
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183 | @syntax delete($ids) |
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184 | @param $ids array with alarm ids as keys (!) |
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185 | @returns the number of alarms deleted or -1 for insuficent permission to do so |
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186 | @note Not found alarms or insuficent perms stop the deleting of multiple alarms |
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187 | */ |
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188 | function delete($alarms) |
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189 | { |
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190 | $deleted = 0; |
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191 | foreach ($alarms as $id => $field) |
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192 | { |
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193 | if (!($alarm = $this->so->read_alarm($id))) |
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194 | { |
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195 | return 0; // alarm not found |
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196 | } |
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197 | if (!$this->check_perms(PHPGW_ACL_DELETEALARM,$alarm['owner'])) |
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198 | { |
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199 | return -1; |
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200 | } |
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201 | if ($this->so->delete_alarm($id)) |
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202 | { |
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203 | ++$deleted; |
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204 | } |
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205 | } |
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206 | return $deleted; |
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207 | } |
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208 | } |
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209 | ?> |
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