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<?php |
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/* For licensing terms, see /license.txt */ |
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class SkillRelSkillModel extends Model |
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{ |
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public $columns = ['skill_id', 'parent_id', 'relation_type', 'level']; |
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/** |
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* Constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->table = Database::get_main_table(TABLE_MAIN_SKILL_REL_SKILL); |
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$this->tableSkill = Database::get_main_table(TABLE_MAIN_SKILL); |
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} |
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/** |
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* Gets an element. |
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* |
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* @param int $id |
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* |
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* @return array |
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*/ |
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public function getSkillInfo($id) |
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{ |
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$id = (int) $id; |
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if (empty($id)) { |
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return []; |
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} |
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$result = Database::select( |
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'*', |
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$this->table, |
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['where' => ['skill_id = ?' => $id]], |
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'first' |
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); |
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return $result; |
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} |
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/** |
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* @param int $skillId |
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* @param bool $add_child_info |
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* |
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* @return array |
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*/ |
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public function getSkillParents($skillId, $add_child_info = true) |
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{ |
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$skillId = (int) $skillId; |
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$sql = 'SELECT child.* FROM '.$this->table.' child |
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LEFT JOIN '.$this->table.' parent |
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ON child.parent_id = parent.skill_id |
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WHERE child.skill_id = '.$skillId.' '; |
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$result = Database::query($sql); |
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$skill = Database::store_result($result, 'ASSOC'); |
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$skill = isset($skill[0]) ? $skill[0] : null; |
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$parents = []; |
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if (!empty($skill)) { |
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if (null != $skill['parent_id']) { |
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$parents = self::getSkillParents($skill['parent_id']); |
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} |
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if ($add_child_info) { |
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$parents[] = $skill; |
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} |
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} |
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return $parents; |
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} |
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/** |
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* @param int $skillId |
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* |
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* @return array |
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*/ |
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public function getDirectParents($skillId) |
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{ |
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$skillId = (int) $skillId; |
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$sql = 'SELECT parent_id as skill_id |
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FROM '.$this->table.' |
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WHERE skill_id = '.$skillId; |
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$result = Database::query($sql); |
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$skill = Database::store_result($result, 'ASSOC'); |
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$skill = isset($skill[0]) ? $skill[0] : null; |
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$parents = []; |
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if (!empty($skill)) { |
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$parents[] = $skill; |
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} |
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return $parents; |
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} |
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/** |
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* @param int $skill_id |
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* @param bool $load_user_data |
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* @param bool $user_id |
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* |
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* @return array |
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*/ |
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public function getChildren( |
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$skill_id, |
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$load_user_data = false, |
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$user_id = false, |
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$order = '' |
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) { |
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$skill_id = (int) $skill_id; |
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$sql = 'SELECT parent.* FROM '.$this->tableSkill.' skill |
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INNER JOIN '.$this->table.' parent |
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ON parent.id = skill.id |
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WHERE parent_id = '.$skill_id.' |
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ORDER BY skill.name ASC'; |
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$result = Database::query($sql); |
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$skills = Database::store_result($result, 'ASSOC'); |
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$skill_obj = new SkillModel(); |
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$skill_rel_user = new SkillRelUserModel(); |
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if ($load_user_data) { |
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$passed_skills = $skill_rel_user->getUserSkills($user_id); |
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$done_skills = []; |
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foreach ($passed_skills as $done_skill) { |
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$done_skills[] = $done_skill['skill_id']; |
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} |
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} |
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if (!empty($skills)) { |
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foreach ($skills as &$skill) { |
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$skill['data'] = $skill_obj->get($skill['skill_id']); |
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if (isset($skill['data']) && !empty($skill['data'])) { |
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if (!empty($done_skills)) { |
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$skill['data']['passed'] = 0; |
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if (in_array($skill['skill_id'], $done_skills)) { |
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$skill['data']['passed'] = 1; |
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} |
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} |
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} else { |
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$skill = null; |
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} |
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} |
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} |
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return $skills; |
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} |
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/** |
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* @param array $params |
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* |
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* @return bool |
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*/ |
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public function updateBySkill($params) |
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{ |
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$result = Database::update( |
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$this->table, |
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$params, |
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['skill_id = ? ' => $params['skill_id']] |
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); |
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if ($result) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @param int $skill_id |
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* @param int $parent_id |
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* |
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* @return bool |
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*/ |
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public function relationExists($skill_id, $parent_id) |
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{ |
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$result = $this->find( |
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'all', |
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[ |
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'where' => [ |
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'skill_id = ? AND parent_id = ?' => [ |
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$skill_id, |
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$parent_id, |
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], |
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], |
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] |
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); |
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if (!empty($result)) { |
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return true; |
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} |
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return false; |
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} |
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} |
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chamilo /
chamilo-lms
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