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-rw-r--r--app/Model/TaskLink.php361
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diff --git a/app/Model/TaskLink.php b/app/Model/TaskLink.php
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+<?php
+namespace Model;
+
+use Core\Helper;
+use SimpleValidator\Validator;
+use SimpleValidator\Validators;
+use PDO;
+
+/**
+ * TaskLink model
+ *
+ * @package model
+ * @author Olivier Maridat
+ */
+class TaskLink extends Base
+{
+
+ /**
+ * SQL table name
+ *
+ * @var string
+ */
+ const TABLE = 'task_has_links';
+
+ /**
+ * Get a link by the task link id
+ *
+ * @access public
+ * @param integer $task_link_id
+ * Task link id
+ * @return array
+ */
+ public function getById($task_link_id)
+ {
+ $sql = 'SELECT
+ tl1.id AS id,
+ tl1.link_label_id AS link_label_id,
+ tl1.task_id AS task_id,
+ tl1.task_inverse_id AS task_inverse_id,
+ tl2.id AS task_link_inverse_id
+ FROM ' . self::TABLE . ' tl1
+ LEFT JOIN ' . Link::TABLE_LABEL . ' l1 ON l1.id = tl1.link_label_id
+ LEFT JOIN ' . Link::TABLE_LABEL . ' l2 ON l2.link_id = l1.link_id
+ LEFT JOIN ' . self::TABLE . ' tl2 ON tl2.task_id = tl1.task_inverse_id
+ AND ( (l1.behaviour = 2 AND tl2.link_label_id = l1.id) OR (tl2.link_label_id = l2.id) )
+ WHERE tl1.id = ?
+ ';
+ $rq = $this->db->execute($sql, array(
+ $task_link_id
+ ));
+ return $rq->fetch();
+ }
+
+ /**
+ * Get the id of the inverse task link by a task link id
+ *
+ * @access public
+ * @param integer $link_id
+ * Task link id
+ * @return integer
+ */
+ public function getInverseTaskLinkId($task_link_id)
+ {
+ $sql = 'SELECT
+ tl2.id
+ FROM ' . self::TABLE . ' tl1
+ LEFT JOIN ' . Link::TABLE_LABEL . ' l1 ON l1.id = tl1.link_label_id
+ LEFT JOIN ' . Link::TABLE_LABEL . ' l2 ON l2.link_id = l1.link_id
+ LEFT JOIN ' . self::TABLE . ' tl2 ON tl2.task_id = tl1.task_inverse_id
+ AND ( (l1.behaviour = 2 AND tl2.link_label_id = l1.id) OR (tl2.link_label_id = l2.id) )
+ WHERE tl1.id = ?
+ ';
+ $rq = $this->db->execute($sql, array(
+ $task_link_id
+ ));
+ return $rq->fetchColumn(0);
+ }
+
+ /**
+ * Return all links for a given task
+ *
+ * @access public
+ * @param integer $task_id
+ * Task id
+ * @return array
+ */
+ public function getAll($task_id)
+ {
+ $sql = 'SELECT
+ tl1.id,
+ l.label AS label,
+ t2.id AS task_inverse_id,
+ t2.project_id AS task_inverse_project_id,
+ t2.title AS task_inverse_title,
+ t2.is_active AS task_inverse_is_active,
+ t2cat.name AS task_inverse_category
+ FROM ' . self::TABLE . ' tl1
+ LEFT JOIN ' . Link::TABLE_LABEL . ' l ON l.id = tl1.link_label_id
+ LEFT JOIN ' . Task::TABLE . ' t2 ON t2.id = tl1.task_inverse_id
+ LEFT JOIN ' . Category::TABLE . ' t2cat ON t2cat.id = t2.category_id
+ WHERE tl1.task_id = ?
+ ORDER BY l.label, t2cat.name, t2.id
+ ';
+ $rq = $this->db->execute($sql, array(
+ $task_id
+ ));
+ $res = $rq->fetchAll(PDO::FETCH_ASSOC);
+ return $res;
+ }
+
+ /**
+ * Prepare data before insert/update
+ *
+ * @access public
+ * @param array $values
+ * Form values
+ */
+ public function prepare(array &$values)
+ {
+ $this->removeFields($values, array(
+ 'another_link'
+ ));
+ $taskLink1 = array(
+ 'link_label_id' => $values['link_label_id'],
+ 'task_id' => $values['task_id'],
+ 'task_inverse_id' => $values['task_inverse_id']
+ );
+ $taskLink2 = array(
+ 'link_label_id' => $this->link->getInverseLinkLabelId($taskLink1['link_label_id']),
+ 'task_id' => $values['task_inverse_id'],
+ 'task_inverse_id' => $values['task_id']
+ );
+ if (isset($values['id']) && isset($values['task_link_inverse_id'])) {
+ $taskLink1['id'] = $values['id'];
+ $taskLink2['id'] = $values['task_link_inverse_id'];
+ }
+ return array(
+ $taskLink1,
+ $taskLink2
+ );
+ }
+
+ /**
+ * Create a link
+ *
+ * @access public
+ * @param array $values
+ * Form values
+ * @return bool integer
+ */
+ public function create(array $values)
+ {
+ list($taskLink1, $taskLink2) = $this->prepare($values);
+ $this->db->startTransaction();
+ if (! $this->db->table(self::TABLE)->save($taskLink1)) {
+ $this->db->cancelTransaction();
+ return false;
+ }
+ if (! $this->db->table(self::TABLE)->save($taskLink2)) {
+ $this->db->cancelTransaction();
+ return false;
+ }
+ $this->db->closeTransaction();
+ return true;
+ }
+
+ /**
+ * Update a link
+ *
+ * @access public
+ * @param array $values
+ * Form values
+ * @return bool
+ */
+ public function update(array $values)
+ {
+ list($taskLink1, $taskLink2) = $this->prepare($values);
+ $this->db->startTransaction();
+ if (! $this->db->table(self::TABLE)
+ ->eq('id', $taskLink1['id'])
+ ->save($taskLink1)) {
+ $this->db->cancelTransaction();
+ return false;
+ }
+ if (! $this->db->table(self::TABLE)
+ ->eq('id', $taskLink2['id'])
+ ->save($taskLink2)) {
+ $this->db->cancelTransaction();
+ return false;
+ }
+ $this->db->closeTransaction();
+ return true;
+ }
+
+ /**
+ * Remove a link
+ *
+ * @access public
+ * @param integer $task_link_id
+ * Task Link id
+ * @return bool
+ */
+ public function remove($task_link_id)
+ {
+ $task_link_inverse_id = $this->getInverseTaskLinkId($task_link_id);
+ $this->db->startTransaction();
+ if (! $this->db->table(self::TABLE)
+ ->eq('id', $task_link_id)
+ ->remove()) {
+ $this->db->cancelTransaction();
+ return false;
+ }
+ if (! $this->db->table(self::TABLE)
+ ->eq('id', $task_link_inverse_id)
+ ->remove()) {
+ $this->db->cancelTransaction();
+ return false;
+ }
+ $this->db->closeTransaction();
+ return true;
+ }
+
+ /**
+ * Duplicate all links to another task
+ *
+ * @access public
+ * @param integer $src_task_id
+ * Source task id
+ * @param integer $dst_task_id
+ * Destination task id
+ * @return bool
+ */
+ public function duplicate($src_task_id, $dst_task_id)
+ {
+ return $this->db->transaction(function ($db) use($src_task_id, $dst_task_id)
+ {
+ $links = $db->table(TaskLink::TABLE)
+ ->columns('link_label_id', 'task_id', 'task_inverse_id')
+ ->eq('task_id', $src_task_id)
+ ->asc('id')
+ ->findAll();
+ foreach ($links as &$link) {
+ $link['task_id'] = $dst_task_id;
+ if (! $db->table(TaskLink::TABLE)
+ ->save($link)) {
+ return false;
+ }
+ }
+
+ $links = $db->table(TaskLink::TABLE)
+ ->columns('link_label_id', 'task_id', 'task_inverse_id')
+ ->eq('task_inverse_id', $src_task_id)
+ ->asc('id')
+ ->findAll();
+ foreach ($links as &$link) {
+ $link['task_inverse_id'] = $dst_task_id;
+ if (! $db->table(TaskLink::TABLE)
+ ->save($link)) {
+ return false;
+ }
+ }
+ });
+ }
+
+ /**
+ * Move a task link from a link label to an other
+ *
+ * @access public
+ * @param integer $link_id
+ * Link id
+ * @param integer $dst_link_label_id
+ * Destination link label id
+ * @return bool
+ */
+ public function changeLinkLabel($link_id, $dst_link_label_id, $alternate=false)
+ {
+ $taskLinks = $this->db->table(Link::TABLE_LABEL)
+ ->eq('link_id', $link_id)
+ ->neq(Link::TABLE_LABEL.'.id', $dst_link_label_id)
+ ->join(self::TABLE, 'link_label_id', 'id')
+ ->asc(self::TABLE.'.id')
+ ->findAllByColumn(self::TABLE.'.id');
+ foreach ($taskLinks as $i => $taskLinkId) {
+ if (null == $taskLinkId || ($alternate && 0 != $i % 2)) {
+ continue;
+ }
+ if (! $this->db->table(self::TABLE)
+ ->eq('id', $taskLinkId)
+ ->save(array('link_label_id' => $dst_link_label_id))) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Validate link creation
+ *
+ * @access public
+ * @param array $values
+ * Form values
+ * @return array $valid, $errors [0] = Success or not, [1] = List of errors
+ */
+ public function validateCreation(array $values)
+ {
+ $v = new Validator($values, $this->commonValidationRules());
+ $res = array(
+ $v->execute(),
+ $v->getErrors()
+ );
+ return $res;
+ }
+
+ /**
+ * Validate link modification
+ *
+ * @access public
+ * @param array $values
+ * Form values
+ * @return array $valid, $errors [0] = Success or not, [1] = List of errors
+ */
+ public function validateModification(array $values)
+ {
+ $rules = array(
+ new Validators\Required('id', t('The id is required'))
+ );
+ $v = new Validator($values, array_merge($rules, $this->commonValidationRules()));
+ $res = array(
+ $v->execute(),
+ $v->getErrors()
+ );
+ return $res;
+ }
+
+ /**
+ * Common validation rules
+ *
+ * @access private
+ * @return array
+ */
+ private function commonValidationRules()
+ {
+ return array(
+ new Validators\Required('link_label_id', t('The link type is required')),
+ new Validators\Required('task_id', t('The task id is required')),
+ new Validators\Required('task_inverse_id', t('The linked task id is required')),
+ new Validators\Integer('id', t('The id must be an integer')),
+ new Validators\Integer('link_label_id', t('The link id must be an integer')),
+ new Validators\Integer('task_id', t('The task id must be an integer')),
+ new Validators\Integer('task_inverse_id', t('The related task id must be an integer')),
+ new Validators\Integer('task_link_inverse_id', t('The related task link id must be an integer')),
+ new Validators\NotEquals('task_inverse_id', 'task_id', t('A task can not be linked to itself')),
+ new Validators\Exists('task_inverse_id', t('This linked task id doesn\'t exist'), $this->db->getConnection(), Task::TABLE, 'id'),
+ new Validators\Unique(array(
+ 'task_inverse_id',
+ 'link_label_id',
+ 'task_id'
+ ), t('The exact same link already exists'), $this->db->getConnection(), self::TABLE)
+ );
+ }
+}