You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
943 lines
32 KiB
943 lines
32 KiB
<?php
|
|
/* For licensing terms, see /license.txt */
|
|
/**
|
|
* This class provides methods for the notebook management.
|
|
* Include/require it in your code to use its features.
|
|
* @package chamilo.library
|
|
*/
|
|
/**
|
|
* Code
|
|
*/
|
|
define ('SKILL_TYPE_REQUIREMENT', 'required');
|
|
define ('SKILL_TYPE_ACQUIRED', 'acquired');
|
|
define ('SKILL_TYPE_BOTH', 'both');
|
|
|
|
require_once api_get_path(LIBRARY_PATH).'model.lib.php';
|
|
|
|
class SkillProfile extends Model
|
|
{
|
|
public $columns = array('id', 'name', 'description');
|
|
|
|
public function __construct()
|
|
{
|
|
$this->table = Database::get_main_table(TABLE_MAIN_SKILL_PROFILE);
|
|
$this->table_rel_profile = Database::get_main_table(TABLE_MAIN_SKILL_REL_PROFILE);
|
|
}
|
|
|
|
public function get_profiles()
|
|
{
|
|
$sql = "SELECT * FROM $this->table p INNER JOIN $this->table_rel_profile sp ON(p.id = sp.profile_id) ";
|
|
$result = Database::query($sql);
|
|
$profiles = Database::store_result($result, 'ASSOC');
|
|
return $profiles;
|
|
}
|
|
|
|
public function save($params, $show_query = false)
|
|
{
|
|
if (!empty($params)) {
|
|
$profile_id = parent::save($params, $show_query);
|
|
if ($profile_id) {
|
|
$skill_rel_profile = new SkillRelProfile();
|
|
if (isset($params['skills'])) {
|
|
foreach ($params['skills'] as $skill_id) {
|
|
$attributes = array('skill_id' => $skill_id, 'profile_id' => $profile_id);
|
|
$skill_rel_profile->save($attributes);
|
|
}
|
|
}
|
|
return $profile_id;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
class SkillRelProfile extends Model
|
|
{
|
|
public $columns = array('id', 'skill_id', 'profile_id');
|
|
|
|
public function __construct()
|
|
{
|
|
$this->table = Database::get_main_table(TABLE_MAIN_SKILL_REL_PROFILE);
|
|
}
|
|
|
|
public function get_skills_by_profile($profile_id)
|
|
{
|
|
$skills = $this->get_all(array('where' => array('profile_id = ? ' => $profile_id)));
|
|
$return_array = array();
|
|
if (!empty($skills)) {
|
|
foreach ($skills as $skill_data) {
|
|
$return_array[] = $skill_data['skill_id'];
|
|
}
|
|
}
|
|
return $return_array;
|
|
}
|
|
}
|
|
|
|
class SkillRelSkill extends Model
|
|
{
|
|
public $columns = array('skill_id', 'parent_id', 'relation_type', 'level');
|
|
|
|
public function __construct()
|
|
{
|
|
$this->table = Database::get_main_table(TABLE_MAIN_SKILL_REL_SKILL);
|
|
}
|
|
|
|
/**
|
|
* Gets an element
|
|
*/
|
|
public function get_skill_info($id)
|
|
{
|
|
if (empty($id)) {
|
|
return array();
|
|
}
|
|
$result = Database::select('*', $this->table, array('where' => array('skill_id = ?' => intval($id))), 'first');
|
|
return $result;
|
|
}
|
|
|
|
public function get_skill_parents($skill_id, $add_child_info = true)
|
|
{
|
|
$skill_id = intval($skill_id);
|
|
$sql = 'SELECT child.* FROM '.$this->table.' child LEFT JOIN '.$this->table.' parent
|
|
ON child.parent_id = parent.skill_id
|
|
WHERE child.skill_id = '.$skill_id.' ';
|
|
$result = Database::query($sql);
|
|
$skill = Database::store_result($result, 'ASSOC');
|
|
$skill = isset($skill[0]) ? $skill[0] : null;
|
|
|
|
$parents = array();
|
|
if (!empty($skill)) {
|
|
if ($skill['parent_id'] != null) {
|
|
$parents = self::get_skill_parents($skill['parent_id']);
|
|
}
|
|
if ($add_child_info) {
|
|
$parents[] = $skill;
|
|
}
|
|
}
|
|
return $parents;
|
|
}
|
|
|
|
public function get_direct_parents($skill_id)
|
|
{
|
|
$skill_id = intval($skill_id);
|
|
$sql = 'SELECT parent_id as skill_id FROM '.$this->table.'
|
|
WHERE skill_id = '.$skill_id.' ';
|
|
$result = Database::query($sql);
|
|
$skill = Database::store_result($result, 'ASSOC');
|
|
$skill = isset($skill[0]) ? $skill[0] : null;
|
|
$parents = array();
|
|
if (!empty($skill)) {
|
|
$parents[] = $skill;
|
|
}
|
|
return $parents;
|
|
}
|
|
|
|
|
|
public function get_children($skill_id, $load_user_data = false, $user_id = false)
|
|
{
|
|
$skills = $this->find('all', array('where' => array('parent_id = ? ' => $skill_id)));
|
|
$skill_obj = new Skill();
|
|
$skill_rel_user = new SkillRelUser();
|
|
|
|
if ($load_user_data) {
|
|
$passed_skills = $skill_rel_user->get_user_skills($user_id);
|
|
$done_skills = array();
|
|
foreach ($passed_skills as $done_skill) {
|
|
$done_skills[] = $done_skill['skill_id'];
|
|
}
|
|
}
|
|
|
|
if (!empty($skills)) {
|
|
foreach ($skills as &$skill) {
|
|
$skill['data'] = $skill_obj->get($skill['skill_id']);
|
|
if (isset($skill['data']) && !empty($skill['data'])) {
|
|
if (!empty($done_skills)) {
|
|
$skill['data']['passed'] = 0;
|
|
if (in_array($skill['skill_id'], $done_skills)) {
|
|
$skill['data']['passed'] = 1;
|
|
}
|
|
}
|
|
} else {
|
|
$skill = null;
|
|
}
|
|
}
|
|
}
|
|
return $skills;
|
|
}
|
|
|
|
function update_by_skill($params)
|
|
{
|
|
$result = Database::update($this->table, $params, array('skill_id = ? ' => $params['skill_id']));
|
|
if ($result) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function relation_exists($skill_id, $parent_id)
|
|
{
|
|
$result = $this->find(
|
|
'all',
|
|
array('where' => array('skill_id = ? AND parent_id = ?' => array($skill_id, $parent_id)))
|
|
);
|
|
if (!empty($result)) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @package chamilo.library
|
|
*/
|
|
class SkillRelGradebook extends Model
|
|
{
|
|
public $columns = array('id', 'gradebook_id', 'skill_id');
|
|
|
|
public function __construct()
|
|
{
|
|
$this->table = Database::get_main_table(TABLE_MAIN_SKILL_REL_GRADEBOOK);
|
|
}
|
|
|
|
public function exists_gradebook_skill($gradebook_id, $skill_id)
|
|
{
|
|
$result = $this->find(
|
|
'all',
|
|
array('where' => array('gradebook_id = ? AND skill_id = ?' => array($gradebook_id, $skill_id)))
|
|
);
|
|
if (!empty($result)) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Gets an element
|
|
*/
|
|
public function get_skill_info($skill_id, $gradebook_id)
|
|
{
|
|
if (empty($skill_id)) {
|
|
return array();
|
|
}
|
|
$result = Database::select(
|
|
'*',
|
|
$this->table,
|
|
array('where' => array('skill_id = ? AND gradebook_id = ? ' => array($skill_id, $gradebook_id))),
|
|
'first'
|
|
);
|
|
return $result;
|
|
}
|
|
|
|
public function update_gradebooks_by_skill($skill_id, $gradebook_list)
|
|
{
|
|
$original_gradebook_list = $this->find('all', array('where' => array('skill_id = ?' => array($skill_id))));
|
|
$gradebooks_to_remove = array();
|
|
$gradebooks_to_add = array();
|
|
$original_gradebook_list_ids = array();
|
|
|
|
if (!empty($original_gradebook_list)) {
|
|
foreach ($original_gradebook_list as $gradebook) {
|
|
if (!in_array($gradebook['gradebook_id'], $gradebook_list)) {
|
|
$gradebooks_to_remove[] = $gradebook['id'];
|
|
}
|
|
}
|
|
foreach ($original_gradebook_list as $gradebook_item) {
|
|
$original_gradebook_list_ids[] = $gradebook_item['gradebook_id'];
|
|
}
|
|
}
|
|
|
|
if (!empty($gradebook_list)) {
|
|
foreach ($gradebook_list as $gradebook_id) {
|
|
if (!in_array($gradebook_id, $original_gradebook_list_ids)) {
|
|
$gradebooks_to_add[] = $gradebook_id;
|
|
}
|
|
}
|
|
}
|
|
//var_dump($gradebooks_to_add, $gradebooks_to_remove);
|
|
if (!empty($gradebooks_to_remove)) {
|
|
foreach ($gradebooks_to_remove as $id) {
|
|
$this->delete($id);
|
|
}
|
|
}
|
|
|
|
if (!empty($gradebooks_to_add)) {
|
|
foreach ($gradebooks_to_add as $gradebook_id) {
|
|
$attributes = array('skill_id' => $skill_id, 'gradebook_id' => $gradebook_id);
|
|
$this->save($attributes);
|
|
}
|
|
}
|
|
}
|
|
|
|
function update_by_skill($params)
|
|
{
|
|
$skill_info = $this->exists_gradebook_skill($params['gradebook_id'], $params['skill_id']);
|
|
|
|
if ($skill_info) {
|
|
return;
|
|
} else {
|
|
$result = $this->save($params);
|
|
}
|
|
if ($result) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @package chamilo.library
|
|
*/
|
|
class SkillRelUser extends Model
|
|
{
|
|
public $columns = array('id', 'user_id', 'skill_id', 'acquired_skill_at', 'assigned_by');
|
|
|
|
public function __construct()
|
|
{
|
|
$this->table = Database::get_main_table(TABLE_MAIN_SKILL_REL_USER);
|
|
//$this->table_user = Database::get_main_table(TABLE_MAIN_USER);
|
|
}
|
|
|
|
public function get_user_by_skills($skill_list)
|
|
{
|
|
$users = array();
|
|
if (!empty($skill_list)) {
|
|
$skill_list = array_map('intval', $skill_list);
|
|
$skill_list = implode("', '", $skill_list);
|
|
|
|
$sql = "SELECT user_id FROM {$this->table} WHERE skill_id IN ('$skill_list') ";
|
|
|
|
$result = Database::query($sql);
|
|
$users = Database::store_result($result, 'ASSOC');
|
|
}
|
|
return $users;
|
|
}
|
|
|
|
public function get_user_skills($user_id)
|
|
{
|
|
if (empty($user_id)) {
|
|
return array();
|
|
}
|
|
$result = Database::select(
|
|
'skill_id',
|
|
$this->table,
|
|
array('where' => array('user_id = ?' => intval($user_id))),
|
|
'all'
|
|
);
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
|
|
class Skill extends Model
|
|
{
|
|
public $columns = array('id', 'name', 'description', 'access_url_id', 'short_code');
|
|
public $required = array('name');
|
|
|
|
/** Array of colours by depth, for the coffee wheel. Each depth has 4 col */
|
|
/*var $colours = array(
|
|
0 => array('#f9f0ab', '#ecc099', '#e098b0', '#ebe378'),
|
|
1 => array('#d5dda1', '#4a5072', '#8dae43', '#72659d'),
|
|
2 => array('#b28647', '#2e6093', '#393e64', '#1e8323'),
|
|
3 => array('#9f6652', '#9f6652', '#9f6652', '#9f6652'),
|
|
4 => array('#af643c', '#af643c', '#af643c', '#af643c'),
|
|
5 => array('#72659d', '#72659d', '#72659d', '#72659d'),
|
|
6 => array('#8a6e9e', '#8a6e9e', '#8a6e9e', '#8a6e9e'),
|
|
7 => array('#92538c', '#92538c', '#92538c', '#92538c'),
|
|
8 => array('#2e6093', '#2e6093', '#2e6093', '#2e6093'),
|
|
9 => array('#3a5988', '#3a5988', '#3a5988', '#3a5988'),
|
|
10 => array('#393e64', '#393e64', '#393e64', '#393e64'),
|
|
);*/
|
|
|
|
public function __construct()
|
|
{
|
|
$this->table = Database::get_main_table(TABLE_MAIN_SKILL);
|
|
$this->table_user = Database::get_main_table(TABLE_MAIN_USER);
|
|
$this->table_skill_rel_gradebook = Database::get_main_table(TABLE_MAIN_SKILL_REL_GRADEBOOK);
|
|
$this->table_skill_rel_user = Database::get_main_table(TABLE_MAIN_SKILL_REL_USER);
|
|
$this->table_course = Database::get_main_table(TABLE_MAIN_COURSE);
|
|
$this->table_skill_rel_skill = Database::get_main_table(TABLE_MAIN_SKILL_REL_SKILL);
|
|
$this->table_gradebook = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY);
|
|
}
|
|
|
|
function get_skill_info($id)
|
|
{
|
|
$skill_rel_skill = new SkillRelSkill();
|
|
$skill_info = $this->get($id);
|
|
if (!empty($skill_info)) {
|
|
$skill_info['extra'] = $skill_rel_skill->get_skill_info($id);
|
|
$skill_info['gradebooks'] = self::get_gradebooks_by_skill($id);
|
|
}
|
|
return $skill_info;
|
|
}
|
|
|
|
function get_skills_info($skill_list)
|
|
{
|
|
$skill_list = array_map('intval', $skill_list);
|
|
$skill_list = implode("', '", $skill_list);
|
|
|
|
$sql = "SELECT * FROM {$this->table} WHERE id IN ('$skill_list') ";
|
|
|
|
$result = Database::query($sql);
|
|
$users = Database::store_result($result, 'ASSOC');
|
|
return $users;
|
|
}
|
|
|
|
function get_all($load_user_data = false, $user_id = false, $id = null, $parent_id = null)
|
|
{
|
|
$id_condition = '';
|
|
if (isset($id) && !empty($id)) {
|
|
$id = intval($id);
|
|
$id_condition = " WHERE s.id = $id";
|
|
}
|
|
|
|
if (isset($parent_id) && !empty($parent_id)) {
|
|
$parent_id = intval($parent_id);
|
|
if (empty($id_condition)) {
|
|
$id_condition = "WHERE ss.parent_id = $parent_id";
|
|
} else {
|
|
$id_condition = " AND ss.parent_id = $parent_id";
|
|
}
|
|
}
|
|
|
|
$sql = "SELECT s.id, s.name, s.description, ss.parent_id, ss.relation_type
|
|
FROM {$this->table} s INNER JOIN {$this->table_skill_rel_skill} ss ON (s.id = ss.skill_id) $id_condition
|
|
ORDER BY ss.id, ss.parent_id";
|
|
|
|
$result = Database::query($sql);
|
|
$skills = array();
|
|
|
|
if (Database::num_rows($result)) {
|
|
while ($row = Database::fetch_array($result, 'ASSOC')) {
|
|
$skill_rel_skill = new SkillRelSkill();
|
|
$a = $skill_rel_skill->get_skill_parents($row['id']);
|
|
$row['level'] = count($a) - 1;
|
|
$row['gradebooks'] = self::get_gradebooks_by_skill($row['id']);
|
|
$skills[$row['id']] = $row;
|
|
}
|
|
}
|
|
|
|
/*
|
|
if ($load_user_data && $user_id) {
|
|
$passed_skills = $this->get_user_skills($user_id);
|
|
foreach ($skills as &$skill) {
|
|
$skill['done_by_user'] = 0;
|
|
if (in_array($skill['id'], $passed_skills)) {
|
|
$skill['done_by_user'] = 1;
|
|
}
|
|
}
|
|
}*/
|
|
|
|
|
|
//Load all children of the parent_id
|
|
if (!empty($skills) && !empty($parent_id)) {
|
|
foreach ($skills as $skill) {
|
|
$children = self::get_all($load_user_data, $user_id, $id, $skill['id']);
|
|
if (!empty($children)) {
|
|
//$skills = array_merge($skills, $children);
|
|
$skills = $skills + $children;
|
|
}
|
|
}
|
|
}
|
|
return $skills;
|
|
}
|
|
|
|
function get_gradebooks_by_skill($skill_id)
|
|
{
|
|
$skill_id = intval($skill_id);
|
|
$sql = "SELECT g.* FROM {$this->table_gradebook} g INNER JOIN {$this->table_skill_rel_gradebook} sg
|
|
ON g.id = sg.gradebook_id
|
|
WHERE sg.skill_id = $skill_id";
|
|
$result = Database::query($sql);
|
|
$result = Database::store_result($result,'ASSOC');
|
|
return $result;
|
|
}
|
|
|
|
/* Get one level childrens */
|
|
function get_children($skill_id, $load_user_data = false)
|
|
{
|
|
$skill_rel_skill = new SkillRelSkill();
|
|
if ($load_user_data) {
|
|
$user_id = api_get_user_id();
|
|
$skills = $skill_rel_skill->get_children($skill_id, true, $user_id);
|
|
} else {
|
|
$skills = $skill_rel_skill->get_children($skill_id);
|
|
}
|
|
return $skills;
|
|
}
|
|
|
|
/* Get all children of the current node (recursive)*/
|
|
function get_all_children($skill_id)
|
|
{
|
|
$skill_rel_skill = new SkillRelSkill();
|
|
$children = $skill_rel_skill->get_children($skill_id);
|
|
foreach ($children as $child) {
|
|
$sub_children = $this->get_all_children($child['skill_id']);
|
|
}
|
|
if (!empty($sub_children)) {
|
|
$children = array_merge($children, $sub_children);
|
|
}
|
|
return $children;
|
|
}
|
|
|
|
|
|
/**
|
|
* Gets all parents from from the wanted skill
|
|
*/
|
|
function get_parents($skill_id)
|
|
{
|
|
$skill_rel_skill = new SkillRelSkill();
|
|
$skills = $skill_rel_skill->get_skill_parents($skill_id, true);
|
|
foreach ($skills as &$skill) {
|
|
$skill['data'] = self::get($skill['skill_id']);
|
|
}
|
|
return $skills;
|
|
}
|
|
|
|
/**
|
|
* All direct parents
|
|
*/
|
|
function get_direct_parents($skill_id)
|
|
{
|
|
$skill_rel_skill = new SkillRelSkill();
|
|
$skills = $skill_rel_skill->get_direct_parents($skill_id, true);
|
|
foreach($skills as &$skill) {
|
|
$skill['data'] = self::get($skill['skill_id']);
|
|
$skill_info2 = $skill_rel_skill->get_skill_info($skill['skill_id']);
|
|
$skill['data']['parent_id'] = $skill_info2['parent_id'];
|
|
}
|
|
return $skills;
|
|
}
|
|
|
|
/*
|
|
* Adds a new skill
|
|
*/
|
|
public function add($params)
|
|
{
|
|
if (!isset($params['parent_id'])) {
|
|
$params['parent_id'] = 1;
|
|
}
|
|
|
|
if (!is_array($params['parent_id'])) {
|
|
$params['parent_id'] = array($params['parent_id']);
|
|
}
|
|
|
|
$skill_rel_skill = new SkillRelSkill();
|
|
$skill_rel_gradebook = new SkillRelGradebook();
|
|
|
|
//Saving name, description
|
|
|
|
$skill_id = $this->save($params);
|
|
if ($skill_id) {
|
|
//Saving skill_rel_skill (parent_id, relation_type)
|
|
|
|
foreach ($params['parent_id'] as $parent_id) {
|
|
$relation_exists = $skill_rel_skill->relation_exists($skill_id, $parent_id);
|
|
if (!$relation_exists) {
|
|
$attributes = array(
|
|
'skill_id' => $skill_id,
|
|
'parent_id' => $parent_id,
|
|
'relation_type' => $params['relation_type'],
|
|
//'level' => $params['level'],
|
|
);
|
|
$skill_rel_skill->save($attributes);
|
|
}
|
|
}
|
|
|
|
if (!empty($params['gradebook_id'])) {
|
|
foreach ($params['gradebook_id'] as $gradebook_id) {
|
|
$attributes = array();
|
|
$attributes['gradebook_id'] = $gradebook_id;
|
|
$attributes['skill_id'] = $skill_id;
|
|
$skill_rel_gradebook->save($attributes);
|
|
}
|
|
}
|
|
return $skill_id;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public function add_skill_to_user($user_id, $gradebook_id)
|
|
{
|
|
$skill_gradebook = new SkillRelGradebook();
|
|
$skill_rel_user = new SkillRelUser();
|
|
|
|
$skill_gradebooks = $skill_gradebook->get_all(array('where' => array('gradebook_id = ?' => $gradebook_id)));
|
|
if (!empty($skill_gradebooks)) {
|
|
foreach ($skill_gradebooks as $skill_gradebook) {
|
|
$user_has_skill = $this->user_has_skill($user_id, $skill_gradebook['skill_id']);
|
|
if (!$user_has_skill) {
|
|
$params = array(
|
|
'user_id' => $user_id,
|
|
'skill_id' => $skill_gradebook['skill_id'],
|
|
'acquired_skill_at' => api_get_utc_datetime(),
|
|
);
|
|
$skill_rel_user->save($params);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Deletes a skill */
|
|
public function delete($skill_id)
|
|
{
|
|
/*$params = array('skill_id' => $skill_id);
|
|
|
|
$skill_rel_skill = new SkillRelSkill();
|
|
$skills = $skill_rel_skill->get_all(array('where'=>array('skill_id = ?' =>$skill_id)));
|
|
|
|
$skill_rel_profile = new SkillRelProfile();
|
|
$skill_rel_gradebook = new SkillRelGradebook();
|
|
$skill_rel_user = new SkillRelUser();
|
|
|
|
$this->delete($skill_id);
|
|
|
|
$skill_rel_gradebook->delete($params);*/
|
|
|
|
|
|
}
|
|
|
|
public function edit($params)
|
|
{
|
|
if (!isset($params['parent_id'])) {
|
|
$params['parent_id'] = 1;
|
|
}
|
|
$skill_rel_skill = new SkillRelSkill();
|
|
$skill_rel_gradebook = new SkillRelGradebook();
|
|
|
|
//Saving name, description
|
|
$this->update($params);
|
|
|
|
$skill_id = $params['id'];
|
|
|
|
if ($skill_id) {
|
|
//Saving skill_rel_skill (parent_id, relation_type)
|
|
|
|
if (!is_array($params['parent_id'])) {
|
|
$params['parent_id'] = array($params['parent_id']);
|
|
}
|
|
|
|
foreach ($params['parent_id'] as $parent_id) {
|
|
$relation_exists = $skill_rel_skill->relation_exists($skill_id, $parent_id);
|
|
if (!$relation_exists) {
|
|
$attributes = array(
|
|
'skill_id' => $skill_id,
|
|
'parent_id' => $parent_id,
|
|
'relation_type' => $params['relation_type'],
|
|
//'level' => $params['level'],
|
|
);
|
|
$skill_rel_skill->update_by_skill($attributes);
|
|
}
|
|
}
|
|
|
|
$skill_rel_gradebook->update_gradebooks_by_skill($skill_id, $params['gradebook_id']);
|
|
return $skill_id;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get user's skills
|
|
*
|
|
* @param int $userId User's id
|
|
*/
|
|
|
|
public function get_user_skills($user_id, $get_skill_data = false)
|
|
{
|
|
$user_id = intval($user_id);
|
|
$sql = 'SELECT DISTINCT s.id, s.name FROM '.$this->table_skill_rel_user.' u INNER JOIN '.$this->table.' s
|
|
ON u.skill_id = s.id
|
|
WHERE user_id = '.$user_id;
|
|
|
|
$result = Database::query($sql);
|
|
$skills = Database::store_result($result, 'ASSOC');
|
|
$clean_skill = array();
|
|
if (!empty($skills)) {
|
|
foreach ($skills as $skill) {
|
|
if ($get_skill_data) {
|
|
$clean_skill[$skill['id']] = $skill;
|
|
} else {
|
|
$clean_skill[$skill['id']] = $skill['id'];
|
|
}
|
|
}
|
|
}
|
|
return $clean_skill;
|
|
}
|
|
|
|
public function get_skills_tree($user_id = null, $skill_id = null, $return_flat_array = false, $add_root = false)
|
|
{
|
|
if ($skill_id == 1) {
|
|
$skill_id = 0;
|
|
}
|
|
if (isset($user_id) && !empty($user_id)) {
|
|
$skills = $this->get_all(true, $user_id, null, $skill_id);
|
|
} else {
|
|
$skills = $this->get_all(false, false, null, $skill_id);
|
|
}
|
|
|
|
$original_skill = $skills;
|
|
|
|
//Show 1 item
|
|
if (!empty($skill_id)) {
|
|
if ($add_root) {
|
|
if (!empty($skill_id)) {
|
|
//Default root node
|
|
$skills[1] = array('id' => '1', 'name' => get_lang('Root'), 'parent_id' => '0');
|
|
$skill_info = $this->get_skill_info($skill_id);
|
|
|
|
//2nd node
|
|
$skills[$skill_id] = $skill_info;
|
|
//Uncomment code below to hide the searched skill
|
|
$skills[$skill_id]['data']['parent_id'] = $skill_info['parent_id'];
|
|
$skills[$skill_id]['parent_id'] = 1;
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
$refs = array();
|
|
$skills_tree = null;
|
|
|
|
// Create references for all nodes
|
|
$flat_array = array();
|
|
$family = array();
|
|
|
|
if (!empty($skills)) {
|
|
foreach ($skills as &$skill) {
|
|
if ($skill['parent_id'] == 0) {
|
|
$skill['parent_id'] = 'root';
|
|
}
|
|
|
|
// because except main keys (id, name, children) others keys are not saved while in the space tree
|
|
$skill['data'] = array('parent_id' => $skill['parent_id']);
|
|
|
|
//In order to paint all members of a family with the same color
|
|
if (empty($skill_id)) {
|
|
if ($skill['parent_id'] == 1) {
|
|
$family[$skill['id']] = $this->get_all_children($skill['id']);
|
|
}
|
|
} else {
|
|
if ($skill['parent_id'] == $skill_id) {
|
|
$family[$skill['id']] = $this->get_all_children($skill['id']);
|
|
}
|
|
|
|
/*if ($skill_id == $skill['id']) {
|
|
$skill['parent_id'] = 1;
|
|
}*/
|
|
}
|
|
|
|
|
|
if (!isset($skill['data']['real_parent_id'])) {
|
|
$skill['data']['real_parent_id'] = $skill['parent_id'];
|
|
}
|
|
|
|
//User achieved the skill (depends in the gradebook with certification)
|
|
$skill['data']['achieved'] = false;
|
|
if ($user_id) {
|
|
$skill['data']['achieved'] = $this->user_has_skill($user_id, $skill['id']);
|
|
}
|
|
|
|
//Check if the skill has related gradebooks
|
|
$skill['data']['skill_has_gradebook'] = false;
|
|
if (isset($skill['gradebooks']) && !empty($skill['gradebooks'])) {
|
|
$skill['data']['skill_has_gradebook'] = true;
|
|
}
|
|
$refs[$skill['id']] = &$skill;
|
|
$flat_array[$skill['id']] = &$skill;
|
|
}
|
|
|
|
//Checking family value
|
|
|
|
$family_id = 1;
|
|
$new_family_array = array();
|
|
foreach ($family as $main_family_id => $family_items) {
|
|
if (!empty($family_items)) {
|
|
foreach ($family_items as $item) {
|
|
$new_family_array[$item['skill_id']] = $family_id;
|
|
}
|
|
}
|
|
$new_family_array[$main_family_id] = $family_id;
|
|
$family_id++;
|
|
}
|
|
|
|
if (empty($original_skill)) {
|
|
$refs['root']['children'][0] = $skills[1];
|
|
$skills[$skill_id]['data']['family_id'] = 1;
|
|
$refs['root']['children'][0]['children'][0] = $skills[$skill_id];
|
|
$flat_array[$skill_id] = $skills[$skill_id];
|
|
} else {
|
|
// Moving node to the children index of their parents
|
|
foreach ($skills as $my_skill_id => &$skill) {
|
|
$skill['data']['family_id'] = $new_family_array[$skill['id']];
|
|
$refs[$skill['parent_id']]['children'][] = &$skill;
|
|
$flat_array[$my_skill_id] = $skill;
|
|
}
|
|
}
|
|
|
|
$skills_tree = array(
|
|
'name' => get_lang('SkillRootName'),
|
|
'id' => 'root',
|
|
'children' => $refs['root']['children'],
|
|
'data' => array()
|
|
);
|
|
}
|
|
if ($return_flat_array) {
|
|
return $flat_array;
|
|
}
|
|
unset($skills);
|
|
return $skills_tree;
|
|
}
|
|
|
|
/**
|
|
* Get skills tree as a simplified JSON structure
|
|
* @param int user id
|
|
* @param int skill id
|
|
* @param bool return a flat array or not
|
|
* @param int depth of the skills
|
|
*
|
|
*/
|
|
public function get_skills_tree_json($user_id = null, $skill_id = null, $return_flat_array = false, $main_depth = 2)
|
|
{
|
|
$tree = $this->get_skills_tree($user_id, $skill_id, $return_flat_array, true);
|
|
$simple_tree = array();
|
|
if (!empty($tree['children'])) {
|
|
foreach ($tree['children'] as $element) {
|
|
$simple_tree[] = array(
|
|
'name' => $element['name'],
|
|
'children' => $this->get_skill_json($element['children'], 1, $main_depth),
|
|
);
|
|
}
|
|
}
|
|
//var_dump($simple_tree[0]['children']);
|
|
return json_encode($simple_tree[0]['children']);
|
|
}
|
|
|
|
/**
|
|
* Get JSON element
|
|
*/
|
|
public function get_skill_json($subtree, $depth = 1, $max_depth = 2)
|
|
{
|
|
$simple_sub_tree = array();
|
|
if (is_array($subtree)) {
|
|
$counter = 1;
|
|
foreach ($subtree as $elem) {
|
|
$tmp = array();
|
|
$tmp['name'] = $elem['name'];
|
|
$tmp['id'] = $elem['id'];
|
|
|
|
if (is_array($elem['children'])) {
|
|
$tmp['children'] = $this->get_skill_json($elem['children'], $depth + 1, $max_depth);
|
|
} else {
|
|
//$tmp['colour'] = $this->colours[$depth][rand(0,3)];
|
|
}
|
|
if ($depth > $max_depth) {
|
|
continue;
|
|
}
|
|
|
|
$tmp['depth'] = $depth;
|
|
$tmp['counter'] = $counter;
|
|
$counter++;
|
|
|
|
if (isset($elem['data']) && is_array($elem['data'])) {
|
|
foreach ($elem['data'] as $key => $item) {
|
|
$tmp[$key] = $item;
|
|
}
|
|
}
|
|
$simple_sub_tree[] = $tmp;
|
|
}
|
|
return $simple_sub_tree;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function get_user_skill_ranking($user_id)
|
|
{
|
|
$user_id = intval($user_id);
|
|
$sql = "SELECT count(skill_id) count FROM {$this->table} s INNER JOIN {$this->table_skill_rel_user} su ON (s.id = su.skill_id)
|
|
WHERE user_id = $user_id";
|
|
$result = Database::query($sql);
|
|
if (Database::num_rows($result)) {
|
|
$result = Database::fetch_row($result);
|
|
return $result[0];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function get_user_list_skill_ranking($start, $limit, $sidx, $sord, $where_condition)
|
|
{
|
|
$start = intval($start);
|
|
$limit = intval($limit);
|
|
/* ORDER BY $sidx $sord */
|
|
$sql = "SELECT *, @rownum:=@rownum+1 rank FROM (
|
|
SELECT u.user_id, firstname, lastname, count(username) skills_acquired
|
|
FROM {$this->table} s INNER JOIN {$this->table_skill_rel_user} su ON (s.id = su.skill_id)
|
|
INNER JOIN {$this->table_user} u ON u.user_id = su.user_id, (SELECT @rownum:=0) r
|
|
WHERE 1=1 $where_condition
|
|
GROUP BY username
|
|
ORDER BY skills_acquired desc
|
|
LIMIT $start , $limit) AS T1, (SELECT @rownum:=0) r";
|
|
$result = Database::query($sql);
|
|
if (Database::num_rows($result)) {
|
|
return Database::store_result($result, 'ASSOC');
|
|
}
|
|
return array();
|
|
}
|
|
|
|
function get_user_list_skill_ranking_count()
|
|
{
|
|
$sql = "SELECT count(*) FROM (
|
|
SELECT count(distinct 1)
|
|
FROM {$this->table} s INNER JOIN {$this->table_skill_rel_user} su ON (s.id = su.skill_id)
|
|
INNER JOIN {$this->table_user} u ON u.user_id = su.user_id
|
|
GROUP BY username
|
|
) as T1";
|
|
$result = Database::query($sql);
|
|
if (Database::num_rows($result)) {
|
|
$result = Database::fetch_row($result);
|
|
|
|
return $result[0];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
function get_count_skills_by_course($course_code)
|
|
{
|
|
$sql = "SELECT count(skill_id) as count FROM {$this->table_gradebook} g INNER JOIN {$this->table_skill_rel_gradebook} sg ON g.id = sg.gradebook_id
|
|
WHERE course_code = '$course_code'";
|
|
|
|
$result = Database::query($sql);
|
|
if (Database::num_rows($result)) {
|
|
$result = Database::fetch_row($result);
|
|
return $result[0];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
function get_courses_by_skill($skill_id)
|
|
{
|
|
$skill_id = intval($skill_id);
|
|
$sql = "SELECT c.title, c.code FROM {$this->table_gradebook} g INNER JOIN {$this->table_skill_rel_gradebook} sg ON g.id = sg.gradebook_id
|
|
INNER JOIN {$this->table_course} c ON c.code = g.course_code
|
|
WHERE sg.skill_id = $skill_id";
|
|
$result = Database::query($sql);
|
|
return Database::store_result($result, 'ASSOC');
|
|
}
|
|
|
|
/**
|
|
* Return true if the user has the skill
|
|
*
|
|
* @param int $userId User's id
|
|
* @param int $skillId Skill's id
|
|
* @param int $checkInParents if true, function will search also in parents of the given skill id
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function user_has_skill($user_id, $skill_id)
|
|
{
|
|
$skills = $this->get_user_skills($user_id);
|
|
foreach ($skills as $my_skill_id) {
|
|
if ($my_skill_id == $skill_id) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|