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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| <?php | ||
| // This file is part of the QuestionPy Moodle plugin - https://questionpy.org | ||
| // | ||
| // Moodle is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // Moodle is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with Moodle. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| namespace qtype_questionpy\package; | ||
|
|
||
| defined('MOODLE_INTERNAL') || die; | ||
|
|
||
| use moodle_exception; | ||
| use qtype_questionpy\array_converter\array_converter; | ||
| use qtype_questionpy\array_converter\converter_config; | ||
|
|
||
| /** | ||
| * Represents an overview of available QuestionPy packages on the application server. | ||
| * | ||
| * @package qtype_questionpy | ||
| * @copyright 2024 Jan Britz, TU Berlin, innoCampus - www.questionpy.org | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
| class package_info extends package_base { | ||
| /** | ||
| * Checks whether this package exists or not. | ||
| * | ||
| * @return bool|int either false or the DB id | ||
| * @throws moodle_exception | ||
| */ | ||
| public function exists(): bool|int { | ||
| global $DB; | ||
| return $DB->get_field('qtype_questionpy_package', 'id', [ | ||
| 'shortname' => $this->shortname, | ||
| 'namespace' => $this->namespace, | ||
| ]); | ||
| } | ||
|
|
||
| /** | ||
| * Persists a package tag in the database. | ||
| * | ||
| * @param string $tag | ||
| * @return int | ||
| * @throws moodle_exception | ||
| */ | ||
| private function store_tag(string $tag): int { | ||
| global $DB; | ||
|
|
||
| $record = ['tag' => strtolower($tag)]; | ||
|
|
||
| $id = $DB->get_field('qtype_questionpy_tag', 'id', $record); | ||
| if ($id === false) { | ||
| return $DB->insert_record('qtype_questionpy_tag', $record); | ||
| } | ||
| return $id; | ||
| } | ||
|
|
||
| /** | ||
| * Inserts new package data. | ||
| * | ||
| * @param int $timestamp | ||
| * @return int | ||
| * @throws moodle_exception | ||
| */ | ||
| public function insert(int $timestamp): int { | ||
| global $DB; | ||
| $transaction = $DB->start_delegated_transaction(); | ||
| $id = $DB->insert_record('qtype_questionpy_package', [ | ||
| 'shortname' => $this->shortname, | ||
| 'namespace' => $this->namespace, | ||
| 'type' => $this->type, | ||
| 'author' => $this->author, | ||
| 'url' => $this->url, | ||
| 'icon' => $this->icon, | ||
| 'license' => $this->license, | ||
| 'timemodified' => $timestamp, | ||
| 'timecreated' => $timestamp, | ||
| ]); | ||
|
|
||
| if ($this->languages) { | ||
| // For each language store the localized package data as a separate record. | ||
| $languagedata = []; | ||
| foreach ($this->languages as $language) { | ||
| $languagedata[] = [ | ||
| 'packageid' => $id, | ||
| 'language' => $language, | ||
| 'name' => $this->get_localized_name([$language]), | ||
| 'description' => $this->get_localized_description([$language]), | ||
| ]; | ||
| } | ||
| $DB->insert_records('qtype_questionpy_language', $languagedata); | ||
| } | ||
|
|
||
| if ($this->tags) { | ||
| // Store each tag with the package id in the tag table. | ||
| $tagsdata = []; | ||
| foreach ($this->tags as $tag) { | ||
| $tagsdata[] = [ | ||
| 'packageid' => $id, | ||
| 'tagid' => $this->store_tag($tag), | ||
| ]; | ||
| } | ||
| $DB->insert_records('qtype_questionpy_pkgtag', $tagsdata); | ||
| } | ||
|
|
||
| $transaction->allow_commit(); | ||
| return $id; | ||
| } | ||
|
|
||
| /** | ||
| * Updates existing package info. | ||
| * | ||
| * @param int $id | ||
| * @param int $timestamp | ||
| * @throws moodle_exception | ||
| */ | ||
| public function update(int $id, int $timestamp): void { | ||
| global $DB; | ||
| $transaction = $DB->start_delegated_transaction(); | ||
| $DB->update_record('qtype_questionpy_package', [ | ||
| 'id' => $id, | ||
| 'type' => $this->type, | ||
| 'author' => $this->author, | ||
| 'url' => $this->url, | ||
| 'icon' => $this->icon, | ||
| 'license' => $this->license, | ||
| 'timemodified' => $timestamp, | ||
| ]); | ||
|
|
||
| // We remove every language and tag entry and insert the new ones for simplicity. | ||
| $DB->delete_records('qtype_questionpy_language', ['packageid' => $id]); | ||
| foreach ($this->languages as $language) { | ||
| $DB->insert_record('qtype_questionpy_language', [ | ||
| 'packageid' => $id, | ||
| 'language' => $language, | ||
| 'name' => $this->get_localized_name([$language]), | ||
| 'description' => $this->get_localized_description([$language]), | ||
| ]); | ||
| } | ||
|
|
||
| $DB->delete_records('qtype_questionpy_pkgtag', ['packageid' => $id]); | ||
| // Store each tag with the package id in the tag table. | ||
| $tagsdata = []; | ||
| foreach ($this->tags as $tag) { | ||
| $tagsdata[] = [ | ||
| 'packageid' => $id, | ||
| 'tagid' => $this->store_tag($tag), | ||
| ]; | ||
| } | ||
| $DB->insert_records('qtype_questionpy_pkgtag', $tagsdata); | ||
| $DB->execute(" | ||
| DELETE | ||
| FROM {qtype_questionpy_tag} | ||
| WHERE id NOT IN ( | ||
| SELECT tagid | ||
| FROM {qtype_questionpy_pkgtag} | ||
| ) | ||
| "); | ||
|
|
||
| $transaction->allow_commit(); | ||
| } | ||
| } | ||
|
|
||
| array_converter::configure(package_info::class, function (converter_config $config) { | ||
| $config | ||
| ->rename("hash", "package_hash") | ||
| ->rename("shortname", "short_name") | ||
| // The DB rows are also read using array_converter, but their columns are named differently to the json fields. | ||
| ->alias("hash", "hash") | ||
| ->alias("shortname", "shortname"); | ||
| }); |
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