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370 lines
12 KiB
370 lines
12 KiB
2 years ago
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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Class for user_competency_plan persistence.
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*
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* @package core_competency
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* @copyright 2015 Serge Gauthier
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace core_competency;
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defined('MOODLE_INTERNAL') || die();
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use lang_string;
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use context_user;
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/**
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* Class for loading/storing user_competency_plan from the DB.
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*
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* @copyright 2015 Serge Gauthier
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class user_competency_plan extends persistent {
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/** Table name for user_competency_plan persistency */
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const TABLE = 'competency_usercompplan';
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/**
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* Return the definition of the properties of this model.
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*
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* @return array
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*/
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protected static function define_properties() {
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return array(
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'userid' => array(
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'type' => PARAM_INT,
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),
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'competencyid' => array(
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'type' => PARAM_INT,
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),
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'proficiency' => array(
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'type' => PARAM_BOOL,
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'default' => null,
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'null' => NULL_ALLOWED,
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),
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'grade' => array(
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'type' => PARAM_INT,
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'default' => null,
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'null' => NULL_ALLOWED,
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),
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'planid' => array(
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'type' => PARAM_INT,
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),
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'sortorder' => array(
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'type' => PARAM_INT,
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'default' => 0,
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),
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);
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}
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/**
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* Return the competency Object.
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*
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* @return competency Competency Object
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*/
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public function get_competency() {
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return new competency($this->get('competencyid'));
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}
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/**
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* Get the context.
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*
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* @return context The context.
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*/
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public function get_context() {
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return context_user::instance($this->get('userid'));
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}
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/**
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* Validate the user ID.
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*
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* @param int $value The value.
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* @return true|lang_string
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*/
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protected function validate_userid($value) {
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global $DB;
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if (!$DB->record_exists('user', array('id' => $value))) {
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return new lang_string('invaliduserid', 'error');
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}
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return true;
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}
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/**
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* Validate the competency ID.
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*
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* @param int $value The value.
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* @return true|lang_string
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*/
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protected function validate_competencyid($value) {
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if (!competency::record_exists($value)) {
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return new lang_string('errornocompetency', 'core_competency', $value);
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}
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return true;
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}
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/**
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* Validate the grade.
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*
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* @param int $value The value.
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* @return true|lang_string
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*/
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protected function validate_grade($value) {
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if ($value !== null) {
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if ($value <= 0) {
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return new lang_string('invalidgrade', 'core_competency');
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}
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// TODO MDL-52243 Use a core method to validate the grade_scale item.
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// Check if grade exist in the scale item values.
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$competency = $this->get_competency();
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if (!array_key_exists($value - 1, $competency->get_scale()->scale_items)) {
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return new lang_string('invalidgrade', 'core_competency');
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}
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}
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return true;
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}
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/**
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* Validate the plan ID.
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*
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* @param int $value The value.
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* @return true|lang_string
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*/
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protected function validate_planid($value) {
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if (!plan::record_exists($value) ) {
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return new lang_string('invalidplan', 'core_competency');
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}
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return true;
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}
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/**
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* Create a new user_competency_plan object.
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*
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* Note, this is intended to be used to create a blank relation, for instance when
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* the record was not found in the database. This does not save the model.
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*
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* @param int $userid The user ID.
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* @param int $competencyid The competency ID.
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* @param int $planid The plan ID.
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* @return \core_competency\user_competency_plan
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*/
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public static function create_relation($userid, $competencyid, $planid) {
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$relation = new user_competency_plan(0, (object) array('userid' => $userid, 'competencyid' => $competencyid,
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'planid' => $planid));
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return $relation;
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}
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/**
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* List the competencies in this plan.
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*
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* @param int $planid The plan ID
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* @param int $userid The user ID
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* @return competency[]
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*/
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public static function list_competencies($planid, $userid) {
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global $DB;
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$sql = 'SELECT c.*
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FROM {' . competency::TABLE . '} c
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JOIN {' . self::TABLE . '} ucp
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ON ucp.competencyid = c.id
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AND ucp.userid = :userid
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WHERE ucp.planid = :planid
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ORDER BY ucp.sortorder ASC,
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ucp.id ASC';
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$params = array('userid' => $userid, 'planid' => $planid);
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$results = $DB->get_recordset_sql($sql, $params);
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$instances = array();
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foreach ($results as $key => $result) {
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$instances[$key] = new competency(0, $result);
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}
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$results->close();
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return $instances;
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}
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/**
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* Fetch a competency by plan ID.
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*
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* @param int $id The plan ID.
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* @return competency
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*/
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public static function get_competency_by_planid($planid, $competencyid) {
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global $DB;
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$sql = "SELECT c.*
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FROM {" . self::TABLE . "} ucp
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JOIN {" . competency::TABLE . "} c
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ON c.id = ucp.competencyid
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WHERE ucp.planid = ?
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AND ucp.competencyid = ?";
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$record = $DB->get_record_sql($sql, array($planid, $competencyid));
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if (!$record) {
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throw new \coding_exception('The competency does not belong to this plan: ' . $competencyid . ', ' . $planid);
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}
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return new competency(0, $record);
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}
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/**
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* Get multiple user_competency_plan for a user.
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*
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* @param int $userid The user ID.
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* @param int $planid The plan ID.
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* @param array $competenciesorids Limit search to those competencies, or competency IDs.
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* @return \core_competency\user_competency_plan[]
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*/
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public static function get_multiple($userid, $planid, array $competenciesorids = null) {
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global $DB;
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$params = array();
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$params['userid'] = $userid;
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$params['planid'] = $planid;
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$sql = '1 = 1';
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if (!empty($competenciesorids)) {
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$test = reset($competenciesorids);
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if (is_number($test)) {
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$ids = $competenciesorids;
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} else {
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$ids = array();
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foreach ($competenciesorids as $comp) {
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$ids[] = $comp->get('id');
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}
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}
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list($insql, $inparams) = $DB->get_in_or_equal($ids, SQL_PARAMS_NAMED);
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$params += $inparams;
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$sql = "competencyid $insql";
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}
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// Order by ID to prevent random ordering.
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return static::get_records_select("userid = :userid AND planid = :planid AND $sql", $params, 'id ASC');
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}
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/**
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* Checks if a competency has user competency plan records.
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*
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* @param int $competencyid The competency ID
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* @return boolean
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*/
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public static function has_records_for_competency($competencyid) {
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return self::record_exists_select('competencyid = ?', array($competencyid));
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}
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/**
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* Checks if any of the competencies of a framework has a user competency plan record.
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*
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* @param int $frameworkid The competency framework ID.
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* @return boolean
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*/
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public static function has_records_for_framework($frameworkid) {
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global $DB;
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$sql = "SELECT 'x'
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FROM {" . self::TABLE . "} ucp
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JOIN {" . competency::TABLE . "} c
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ON ucp.competencyid = c.id
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WHERE c.competencyframeworkid = ?";
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$params = array($frameworkid);
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return $DB->record_exists_sql($sql, $params);
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}
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/**
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* Check if user competency plan has records for competencies.
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*
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* @param array $competencyids The competences IDs
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* @return boolean
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*/
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public static function has_records_for_competencies($competencyids) {
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global $DB;
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list($insql, $params) = $DB->get_in_or_equal($competencyids, SQL_PARAMS_NAMED);
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return self::record_exists_select("competencyid $insql", $params);
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}
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/**
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* Count the number of records matching a specific template, optionally filtered by proficient values.
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*
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* @param int $templateid
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* @param mixed $proficiency - If true - filter by proficiency, if false filter by not proficient, if null - do not filter.
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* @return int
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*/
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public static function count_records_for_template($templateid, $proficiency=null) {
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global $DB;
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$params = array('templateid' => $templateid);
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$sql = 'SELECT ' . " COUNT('x') " .
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'FROM {' . self::TABLE . '} ucp
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JOIN {' . plan::TABLE . '} p
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ON ucp.planid = p.id
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WHERE p.templateid = :templateid';
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if ($proficiency === true) {
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$sql .= ' AND ucp.proficiency = :proficiency';
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$params['proficiency'] = true;
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} else if ($proficiency === false) {
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$sql .= ' AND (ucp.proficiency = :proficiency OR ucp.proficiency IS NULL)';
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$params['proficiency'] = false;
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}
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return $DB->count_records_sql($sql, $params);
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}
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/**
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* Get the list of competencies that were completed the least times (in completed plans) from a template.
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*
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* @param int $templateid
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* @param int $skip The number of competencies to skip
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* @param int $limit The max number of competencies to return
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* @return competency[]
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*/
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public static function get_least_proficient_competencies_for_template($templateid, $skip = 0, $limit = 0) {
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global $DB;
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$fields = competency::get_sql_fields('c', 'c_');
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$params = array('templateid' => $templateid, 'notproficient' => false);
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$sql = 'SELECT ' . $fields . '
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FROM (SELECT ucp.competencyid, COUNT(ucp.competencyid) AS timesnotproficient
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FROM {' . self::TABLE . '} ucp
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JOIN {' . plan::TABLE . '} p
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ON p.id = ucp.planid
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WHERE p.templateid = :templateid
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AND (ucp.proficiency = :notproficient OR ucp.proficiency IS NULL)
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GROUP BY ucp.competencyid
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) p
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JOIN {' . competency::TABLE . '} c
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ON c.id = p.competencyid
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ORDER BY p.timesnotproficient DESC, c.id ASC';
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$results = $DB->get_records_sql($sql, $params, $skip, $limit);
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$comps = array();
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foreach ($results as $r) {
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$c = competency::extract_record($r, 'c_');
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$comps[] = new competency(0, $c);
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}
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return $comps;
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}
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}
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