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 | require_once(GALAXIA_LIBRARY . SEP . 'src' . SEP . 'ProcessManager' . SEP . 'ProcessManager.php'); |
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14 | require_once(GALAXIA_LIBRARY . SEP . 'src' . SEP . 'ProcessManager' . SEP . 'ActivityManager.php'); |
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15 | |
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16 | /** |
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17 | * Camada Model para Mover Instâncias. |
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18 | * @package Workflow |
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19 | * @author Sidnei Augusto Drovetto Jr. - drovetto@gmail.com |
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20 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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21 | */ |
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22 | class so_move_instances |
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23 | { |
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24 | /** |
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25 | * @var bool True se o usuário for administrador do expresso. |
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26 | * @access private |
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27 | */ |
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28 | private $isAdmin; |
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29 | |
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30 | /** |
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31 | * @var int ID do usuário logado no Expresso |
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32 | * @access private |
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33 | */ |
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34 | private $userID; |
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35 | |
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36 | /** |
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37 | * @var object Link para a ACL do Workflow. |
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38 | * @access private |
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39 | */ |
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40 | private $acl; |
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41 | |
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42 | /** |
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43 | * @var object Link para o Banco de Dados do Expresso. |
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44 | * @access private |
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45 | */ |
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46 | private $db; |
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47 | |
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48 | /** |
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49 | * Checa se o usuário possui direitos administrativos em um processo. |
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50 | * @param int $processID O ID do processo que se quer checar se o usuário tem direito administrativo. |
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51 | * @return bool True em caso de sucesso. Em caso de falha, a execução é abortada. |
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52 | * @access private |
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53 | */ |
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54 | private function _checkAccess($processID = null) |
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55 | { |
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56 | /* the user is an administrator */ |
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57 | if ($this->isAdmin) |
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58 | return true; |
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59 | |
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60 | if (!is_null($processID)) |
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61 | { |
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62 | if ($this->acl->checkUserGroupAccessToResource('PRO', $this->userID, $processID)) |
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63 | return true; |
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64 | else |
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65 | die(serialize("Você não tem permissão para executar este procedimento!")); |
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66 | } |
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67 | if ($this->acl->checkUserGroupAccessToType('PRO', $this->userID)) |
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68 | return true; |
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69 | |
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70 | die(serialize("Você não tem permissão para executar este procedimento!")); |
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71 | } |
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72 | |
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73 | /** |
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74 | * Verifica se houve erro em alguma query do Banco de Dados. |
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75 | * @param object $result O resultado de alguma query |
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76 | * @return void |
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77 | * @access private |
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78 | */ |
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79 | private function _checkError($result) |
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80 | { |
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81 | if ($result === false) |
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82 | die(serialize("Ocorreu um erro ao se tentar executar a operação solicitada.")); |
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83 | } |
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84 | |
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85 | /** |
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86 | * Construtor da classe so_move_instances |
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87 | * @return object |
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88 | */ |
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89 | function so_move_instances() |
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90 | { |
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91 | $this->userID = $_SESSION['phpgw_info']['workflow']['account_id']; |
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92 | $this->isAdmin = $_SESSION['phpgw_info']['workflow']['user_is_admin']; |
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93 | $this->acl = &$GLOBALS['ajax']->acl; |
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94 | $this->db = &$GLOBALS['workflow']['workflowObjects']->getDBGalaxia()->Link_ID; |
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95 | } |
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96 | |
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97 | /** |
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98 | * Carrega a lista de processos que o usuário tem acesso. |
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99 | * @return array Lista de processos. |
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100 | * @access public |
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101 | */ |
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102 | function loadProcesses() |
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103 | { |
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104 | $this->_checkAccess(); |
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105 | |
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106 | $where = array(); |
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107 | if (!$this->isAdmin) |
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108 | { |
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109 | $processIDs = $this->acl->get_granted_processes($this->userID); |
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110 | if (count($processIDs) > 0) |
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111 | $where[] = 'wf_p_id IN (' . implode(',', $processIDs) . ')'; |
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112 | else |
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113 | $where[] = 'wf_p_id IS NULL'; |
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114 | } |
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115 | $processManager = new ProcessManager($this->db); |
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116 | |
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117 | /* workaround to sort the result using two columns */ |
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118 | $items = $processManager->list_processes(0, -1, 'wf_name__ASC, wf_version ASC', '', implode(' AND ', $where)); |
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119 | $output = array(); |
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120 | foreach ($items['data'] as $item) |
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121 | $output[] = array( |
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122 | 'wf_p_id' => $item['wf_p_id'], |
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123 | 'wf_name' => $item['wf_name'], |
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124 | 'wf_version' => $item['wf_version']); |
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125 | |
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126 | return $output; |
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127 | } |
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128 | |
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129 | /** |
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130 | * Carrega a lista de atividades de um processo (com exceção de atividades do tipo Standalone e View). |
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131 | * @param int $processID O ID do processo do qual se quer a lista de atividades. |
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132 | * @return array Lista de atividades de um processo. |
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133 | * @access public |
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134 | */ |
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135 | function loadProcessActivities($processID) |
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136 | { |
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137 | $this->_checkAccess($processID); |
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138 | |
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139 | $activityManager = new ActivityManager($this->db); |
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140 | $activities = $activityManager->list_activities($processID, 0, -1, 'wf_name__ASC', '', 'wf_type <> \'standalone\' AND wf_type <> \'view\''); |
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141 | $output = array(); |
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142 | foreach ($activities['data'] as $activity) |
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143 | $output[] = array( |
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144 | 'wf_activity_id' => $activity['wf_activity_id'], |
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145 | 'wf_name' => $activity['wf_name'], |
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146 | 'wf_type' => $activity['wf_type']); |
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147 | return $output; |
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148 | } |
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149 | |
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150 | /** |
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151 | * Faz um pré-relacionamento das atividades dos dois processos. |
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152 | * @param array $fromActivities Lista de atividades do processo de origem. |
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153 | * @param array $toActivities Lista de atividades do processo de destino. |
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154 | * @param float $threshold Limiar que define a menor porcentagem de semelhança entre o nome de duas atividades para que estas sejam relacionadas. |
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155 | * @return array Lista de atividades relacionadas. |
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156 | * @access public |
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157 | */ |
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158 | function matchActivities($fromActivities, $toActivities, $threshold) |
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159 | { |
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160 | $preOutput = array(); |
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161 | foreach ($fromActivities as $fromActivity) |
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162 | { |
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163 | $fromActivityName = $fromActivity['wf_name']; |
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164 | $fromActivityID = $fromActivity['wf_activity_id']; |
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165 | foreach ($toActivities as $toActivity) |
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166 | { |
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167 | $toActivityName = $toActivity['wf_name']; |
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168 | $toActivityID = $toActivity['wf_activity_id']; |
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169 | $currentValue = isset($preOutput[$fromActivityID]) ? $preOutput[$fromActivityID]['value'] : 0; |
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170 | |
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171 | similar_text($fromActivityName, $toActivityName, $matchValue); |
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172 | if (($matchValue > $threshold) && ($matchValue > $currentValue)) |
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173 | $preOutput[$fromActivityID] = array( |
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174 | 'activityID' => $toActivityID, |
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175 | 'value' => $matchValue); |
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176 | } |
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177 | } |
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178 | $output = array(); |
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179 | foreach ($preOutput as $fromActivityID => $toActivityInfo) |
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180 | $output[] = array( |
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181 | 'from' => $fromActivityID, |
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182 | 'to' => $toActivityInfo['activityID']); |
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183 | |
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184 | return $output; |
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185 | } |
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186 | |
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187 | /** |
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188 | * Move as instâncias de um processo para outro. |
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189 | * @param int $from O ID do processo de origem. |
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190 | * @param int $to O ID do processo de destino. |
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191 | * @param bool $active Indica se devem ser movidas as instâncias ativas. |
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192 | * @param bool $completed Indica se devem ser movidas as instâncias finalizadas. |
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193 | * @param array $activityMappings O relacionamento entre as atividades dos dois processos. |
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194 | * @return bool TRUE em caso de sucesso e FALSE caso contrário. |
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195 | * @access public |
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196 | */ |
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197 | function moveInstances($from, $to, $activityMappings, $active, $completed) |
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198 | { |
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199 | $this->_checkAccess($from); |
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200 | $this->_checkAccess($to); |
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201 | |
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202 | if (($active || $completed) == false) |
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203 | return array('error' => 'Nenhuma instância foi movida. Selecione pelo menos uma das checkboxes do status das instâncias.'); |
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204 | |
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205 | $instanceStatus = array(); |
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206 | $instanceActivityStatus = array(); |
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207 | if ($active) |
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208 | { |
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209 | $instanceStatus[] = "'active'"; |
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210 | $instanceStatus[] = "'exception'"; |
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211 | $instanceActivityStatus[] = "'running'"; |
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212 | } |
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213 | |
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214 | if ($completed) |
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215 | { |
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216 | $instanceStatus[] = "'completed'"; |
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217 | $instanceStatus[] = "'aborted'"; |
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218 | $instanceActivityStatus[] = "'completed'"; |
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219 | |
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220 | } |
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221 | |
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222 | /* create an array for quick conversion between the old and the new activities ID */ |
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223 | $activitiesConvert = array(); |
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224 | foreach ($activityMappings as $toActivityID => $fromActivities) |
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225 | foreach ($fromActivities as $fromActivityID) |
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226 | $activitiesConvert[$fromActivityID] = $toActivityID; |
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227 | |
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228 | $this->db->StartTrans(); |
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229 | $transactionResult = true; |
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230 | |
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231 | /* update the instances table */ |
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232 | $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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233 | $rows = $resultSet->GetArray(-1); |
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234 | $instanceList = array(); |
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235 | if (is_array($rows)) |
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236 | { |
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237 | foreach ($rows as $row) |
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238 | { |
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239 | /* save the ID of the instances for future use */ |
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240 | $instanceList[] = $row['wf_instance_id']; |
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241 | |
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242 | /* get the data and unserialize them */ |
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243 | $oldInstance = array( |
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244 | 'wf_instance_id' => $row['wf_instance_id'], |
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245 | 'wf_next_activity' => unserialize(base64_decode($row['wf_next_activity'])), |
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246 | 'wf_next_user' => unserialize(base64_decode($row['wf_next_user']))); |
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247 | |
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248 | /* change the next activity */ |
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249 | $newInstance['wf_next_activity'] = array(); |
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250 | if (is_array($oldInstance['wf_next_activity'])) |
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251 | { |
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252 | foreach ($oldInstance['wf_next_activity'] as $k => $v) |
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253 | $newInstance['wf_next_activity'][$activitiesConvert[$k]] = $activitiesConvert[$v]; |
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254 | } |
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255 | |
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256 | /* change the next user */ |
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257 | $newInstance['wf_next_user'] = array(); |
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258 | if (is_array($oldInstance['wf_next_user'])) |
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259 | { |
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260 | foreach ($oldInstance['wf_next_user'] as $k => $v) |
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261 | if ($k[0] == '*') |
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262 | $newInstance['wf_next_user']['*' . $activitiesConvert[substr($k, 1)]] = $v; |
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263 | else |
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264 | $newInstance['wf_next_user'][$activitiesConvert[$k]] = $v; |
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265 | } |
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266 | |
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267 | /* serialize and encode the data */ |
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268 | $newInstance['wf_next_activity'] = base64_encode(serialize($newInstance['wf_next_activity'])); |
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269 | $newInstance['wf_next_user'] = base64_encode(serialize($newInstance['wf_next_user'])); |
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270 | |
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271 | /* update the egw_wf_instances table */ |
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272 | 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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273 | { |
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274 | $this->db->FailTrans(); |
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275 | return array('error' => 'Erro atualizando a tabela de instâncias. Nenhuma modificação foi salva'); |
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276 | } |
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277 | } |
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278 | } |
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279 | /* assure at least one element */ |
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280 | $instanceList[] = -1; |
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281 | |
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282 | /* update the instance_activities table */ |
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283 | $instanceActivityList = array(); |
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284 | $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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285 | $rows = $resultSet->GetArray(-1); |
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286 | if (is_array($rows)) |
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287 | { |
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288 | foreach ($rows as $row) |
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289 | { |
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290 | /* save the instance ID and activity ID pair for future use */ |
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291 | $instanceActivityList[] = array( |
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292 | 'iid' => $row['wf_instance_id'], |
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293 | 'aid' => $row['wf_activity_id']); |
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294 | |
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295 | /* update the activity ID */ |
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296 | if (!$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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297 | { |
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298 | $this->db->FailTrans(); |
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299 | return array('error' => 'Erro atualizando a tabela que relaciona instâncias e atividades. Nenhuma modificação foi salva'); |
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300 | } |
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301 | } |
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302 | } |
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303 | /* assure at least one element */ |
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304 | $instanceActivityList[] = array('iid' => -1, 'aid' => -1); |
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305 | |
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306 | /* update the workitems of the modified instances */ |
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307 | $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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308 | $rows = $resultSet->GetArray(-1); |
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309 | if (is_array($rows)) |
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310 | { |
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311 | foreach ($rows as $row) |
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312 | { |
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313 | /* update the activity ID */ |
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314 | if (!$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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315 | { |
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316 | $this->db->FailTrans(); |
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317 | return array('error' => 'Erro atualizando a tabela de workitems. Nenhuma modificação foi salva'); |
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318 | } |
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319 | } |
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320 | } |
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321 | |
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322 | /* 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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323 | $instanceActivityList = array_map(create_function('$e', 'return \'(\' . $e[\'iid\'] . \', \' . $e[\'aid\'] . \')\';'), $instanceActivityList); |
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324 | |
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325 | /* update the interinstance relations of the modified rows of the instance_activities table */ |
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326 | $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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327 | $rows = $resultSet->GetArray(-1); |
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328 | if (is_array($rows)) |
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329 | { |
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330 | foreach ($rows as $row) |
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331 | { |
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332 | /* update the activity ID */ |
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333 | if (!$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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334 | { |
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335 | $this->db->FailTrans(); |
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336 | return array('error' => 'Erro atualizando a tabela de relacionamento inter-instância. Nenhuma modificação foi salva'); |
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337 | } |
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338 | } |
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339 | } |
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340 | |
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341 | /* in case of success, commit the modifications */ |
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342 | $this->db->CompleteTrans(); |
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343 | return true; |
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344 | } |
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345 | } |
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346 | ?> |
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