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Long Term Support Release
1 <?php 2 // This file is part of Moodle - http://moodle.org/ 3 // 4 // Moodle is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Moodle is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17 namespace tool_brickfield\local\areas\mod_choice; 18 19 use core\event\course_module_created; 20 use core\event\course_module_updated; 21 use tool_brickfield\area_base; 22 23 /** 24 * Choice option observer. 25 * 26 * @package tool_brickfield 27 * @copyright 2020 onward: Brickfield Education Labs, www.brickfield.ie 28 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 29 */ 30 class option extends area_base { 31 32 /** 33 * Get table name. 34 * @return string 35 */ 36 public function get_tablename(): string { 37 return 'choice_options'; 38 } 39 40 /** 41 * Get field name. 42 * @return string 43 */ 44 public function get_fieldname(): string { 45 return 'text'; 46 } 47 48 /** 49 * Get table name reference. 50 * @return string 51 */ 52 public function get_ref_tablename(): string { 53 return 'choice'; 54 } 55 56 /** 57 * Find recordset of the relevant areas. 58 * @param \core\event\base $event 59 * @return \moodle_recordset|null 60 * @throws \coding_exception 61 * @throws \dml_exception 62 */ 63 public function find_relevant_areas(\core\event\base $event): ?\moodle_recordset { 64 if ($event instanceof course_module_updated || $event instanceof course_module_created) { 65 if ($event->other['modulename'] === 'choice') { 66 return $this->find_areas(['refid' => $event->other['instanceid']]); 67 } 68 } 69 return null; 70 } 71 72 /** 73 * Find recordset of the course areas. 74 * @param int $courseid 75 * @return \moodle_recordset 76 * @throws \coding_exception 77 * @throws \dml_exception 78 */ 79 public function find_course_areas(int $courseid): ?\moodle_recordset { 80 return $this->find_areas(['courseid' => $courseid]); 81 } 82 83 /** 84 * Find recordset of areas. 85 * @param array $params 86 * @return \moodle_recordset 87 * @throws \coding_exception 88 * @throws \dml_exception 89 */ 90 protected function find_areas(array $params = []): \moodle_recordset { 91 global $DB; 92 93 $where = []; 94 if (!empty($params['refid'])) { 95 $where[] = 't.id = :refid'; 96 } 97 if (!empty($params['courseid'])) { 98 $where[] = 'cm.course = :courseid'; 99 } 100 101 // Filter against approved / non-approved course category listings. 102 $this->filterfieldname = 'cm.course'; 103 $this->get_courseid_filtering(); 104 if ($this->filter != '') { 105 $params = $params + $this->filterparams; 106 } 107 108 $rs = $DB->get_recordset_sql('SELECT 109 ' . $this->get_type() . ' AS type, 110 ctx.id AS contextid, 111 ' . $this->get_standard_area_fields_sql() . ' 112 co.id AS itemid, 113 ' . $this->get_reftable_field_sql() . ' 114 t.id AS refid, 115 cm.id AS cmid, 116 cm.course AS courseid, 117 co.'.$this->get_fieldname().' AS content 118 FROM {choice} t 119 JOIN {course_modules} cm ON cm.instance = t.id 120 JOIN {modules} m ON m.id = cm.module AND m.name = :preftablename2 121 JOIN {context} ctx ON ctx.instanceid = cm.id AND ctx.contextlevel = :pctxlevelmodule 122 JOIN {'.$this->get_tablename().'} co ON co.choiceid = t.id ' . 123 ($where ? 'WHERE ' . join(' AND ', $where) : '') . $this->filter . ' 124 ORDER BY t.id, co.id', 125 ['pctxlevelmodule' => CONTEXT_MODULE, 126 'preftablename2' => $this->get_ref_tablename(), 127 ] + $params); 128 129 return $rs; 130 } 131 }
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