129 lines
3.5 KiB
PHP
129 lines
3.5 KiB
PHP
<?php
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/**
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* StudyManager.php
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*/
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namespace UElearning\Study;
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require_once UELEARNING_LIB_ROOT.'/Database/DBStudy.php';
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require_once UELEARNING_LIB_ROOT.'/Study/Exception.php';
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require_once UELEARNING_LIB_ROOT.'/Target/Target.php';
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require_once UELEARNING_LIB_ROOT.'/Target/Exception.php';
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use UElearning\Database;
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use UElearning\Target;
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use UElearning\Exception;
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/**
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* 學習點進出記錄
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*
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* 一個物件即代表此學習點進出記錄
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*
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* @version 2.0.0
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* @package UElearning
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* @subpackage Study
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*/
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class StudyManager {
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/**
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* 取得目前已進入的學習點
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* @param int $activity_id 活動編號
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* @return int 標的編號，若無則null
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*/
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public function getCurrentInTargetId($activity_id) {
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$db = new Database\DBStudy();
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return $db->getCurrentInTargetId($activity_id);
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}
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/**
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* 取得目前已進入的學習點的進出紀錄物件
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* @param string $activity_id 活動編號
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* @return int 進出紀錄編號
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*/
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public function getCurrentInStudyId($activity_id) {
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$db = new Database\DBStudy();
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return $db->getCurrentInStudyId($activity_id);
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}
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/**
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* 此標的是否已學習過
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*
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* @param int $activity_id 活動編號
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* @param string $target_id 標的編號
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* @return bool 是否已學習過
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*/
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public function isTargetLearned($activity_id, $target_id) {
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$db = new Database\DBStudy();
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$query = $db->getAllStudyIdByTargetId($activity_id, $target_id);
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if(count($query) > 0) {
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return true;
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}
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else {
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return false;
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}
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}
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/**
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* 進入標的
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*
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* @param int $activity_id 活動編號
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* @param int $target_id 標的編號
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* @param bool $is_entity 是否為現場學習
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* @throw UElearning\Exception\TargetNoFoundException
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* return int 進出紀錄編號
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*/
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public function toInTarget($activity_id, $target_id, $is_entity) {
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// 若沒有任一個點正在學習中
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if($this->getCurrentInTargetId($activity_id) == null) {
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// 紀錄進資料庫
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$db = new Database\DBStudy();
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$id = $db->toInTaeget($activity_id, $target_id, $is_entity);
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// 將標的目前人數+1
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if($is_entity) {
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$target = new Target\Target($target_id);
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$target->addMj(1);
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}
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return $id;
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}
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else {
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throw new Exception\InLearningException();
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}
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}
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/**
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* 離開標的
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*
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* @param int $activity_id 活動編號
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* @param int $target_id 標的編號
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*/
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public function toOutTarget($activity_id, $target_id) {
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// 從資料庫取得此活動此標的學習中資料
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$db = new Database\DBStudy();
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$learning_array = $db->getInStudyIdByTargetId($activity_id, $target_id);
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$target = new Target\Target($target_id);
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// 找到正在學習中的資料
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if(isset($learning_array)) {
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// 將所有此標的的進入紀錄全部標示
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foreach($learning_array as $thisArray) {
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// 將此紀錄標示為已離開
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$db->toOutTarget($thisArray['study_id']);
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// 將標的目前人數-1
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if($thisArray['is_entity'] = true) {
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$target = new Target\Target($target_id);
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$target->addMj(-1);
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}
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}
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}
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}
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}
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