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63 lines
2.1 KiB
PHP
63 lines
2.1 KiB
PHP
<?php
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/*************************************
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* SPDX-FileCopyrightText: 2009-2020 Vtenext S.r.l. <info@vtenext.com>
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* SPDX-License-Identifier: AGPL-3.0-only
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************************************/
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/* crmv@208173 */
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/**
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* Time based Queue of tasks ready for execution.
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*
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*/
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class VTTaskQueue{
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public function __construct($adb){
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$this->adb = $adb;
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}
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/**
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* Get a list of taskId/entityId pairs ready for execution.
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*
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* The method fetches task id/entity id where the when timestamp
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* is less than the current time when the method was called.
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*
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* @return array list of pairs of the form array(taskId, entityId)
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*/
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public function getReadyTasks(){
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global $table_prefix;
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$adb = $this->adb;
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$time = time();
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$result = $adb->pquery("select task_id, entity_id from com_{$table_prefix}_workflowtask_queue where do_after<?", array($time));
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$it = new SqlResultIterator($adb, $result);
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$arr = [];
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foreach($it as $row){
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$arr[] = [$row->task_id, $row->entity_id];
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}
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$adb->pquery("delete from com_{$table_prefix}_workflowtask_queue where do_after<?", array($time));
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return $arr;
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}
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/**
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* Queue a task for execution.
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*
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* @param $taskId The id of the task to queue
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* @param $entityId The id of the crm entity the task is assiciated with.
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* @param $when The time after which the task should be executed. This is
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* an optional value with a default value of 0.
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*/
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public function queueTask($taskId, $entityId, $when=0){
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$adb = $this->adb;
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global $table_prefix;
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$result = $adb->pquery("select * from com_{$table_prefix}_workflowtask_queue
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where task_id=? and entity_id=?", array($taskId, $entityId));
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if($adb->num_rows($result)==1){
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return false;
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}else{
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$adb->pquery("insert into com_{$table_prefix}_workflowtask_queue (task_id, entity_id, do_after)
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values (?,?,?)", array($taskId, $entityId, $when));
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return true;
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}
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}
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} |