MDL-57898 core_customfield: Custom fields API

This commit is part of work on Custom fields API,
to minimize commit history in moodle core the work of a team of developers was split
into several commits with different authors but the authorship of individual
lines of code may be different from the commit author.

admin/customfields.php

@@ -0,0 +1,62 @@
+<?php
+// This file is part of Moodle - http://moodle.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/>.
+
+/**
+ * Allows the admin to enable, disable and uninstall custom fields
+ *
+ * @package    core_admin
+ * @copyright  2018 Daniel Neis Araujo
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+require_once('../config.php');
+require_once($CFG->libdir.'/adminlib.php');
+
+$action  = required_param('action', PARAM_ALPHANUMEXT);
+$customfieldname = required_param('field', PARAM_PLUGIN);
+
+$syscontext = context_system::instance();
+$PAGE->set_url('/admin/customfields.php');
+$PAGE->set_context($syscontext);
+
+require_login();
+require_capability('moodle/site:config', $syscontext);
+require_sesskey();
+
+$return = new moodle_url('/admin/settings.php', array('section' => 'managecustomfields'));
+
+$customfieldplugins = core_plugin_manager::instance()->get_plugins_of_type('customfield');
+$sortorder = array_flip(array_keys($customfieldplugins));
+
+if (!isset($customfieldplugins[$customfieldname])) {
+    print_error('customfieldnotfound', 'error', $return, $customfieldname);
+}
+
+switch ($action) {
+    case 'disable':
+        if ($customfieldplugins[$customfieldname]->is_enabled()) {
+            set_config('disabled', 1, 'customfield_'. $customfieldname);
+            core_plugin_manager::reset_caches();
+        }
+        break;
+    case 'enable':
+        if (!$customfieldplugins[$customfieldname]->is_enabled()) {
+            unset_config('disabled', 'customfield_'. $customfieldname);
+            core_plugin_manager::reset_caches();
+        }
+        break;
+}
+redirect($return);

admin/settings/plugins.php

@@ -59,6 +59,18 @@
         $plugin->load_settings($ADMIN, 'formatsettings', $hassiteconfig);
     }
 
+    // Custom fields.
+    $ADMIN->add('modules', new admin_category('customfieldsettings', new lang_string('customfields', 'core_customfield')));
+    $temp = new admin_settingpage('managecustomfields', new lang_string('managecustomfields', 'core_admin'));
+    $temp->add(new admin_setting_managecustomfields());
+    $ADMIN->add('customfieldsettings', $temp);
+    $plugins = core_plugin_manager::instance()->get_plugins_of_type('customfield');
+    core_collator::asort_objects_by_property($plugins, 'displayname');
+    foreach ($plugins as $plugin) {
+        /** @var \core\plugininfo\customfield $plugin */
+        $plugin->load_settings($ADMIN, 'customfieldsettings', $hassiteconfig);
+    }
+
     // blocks
     $ADMIN->add('modules', new admin_category('blocksettings', new lang_string('blocks')));
     $ADMIN->add('blocksettings', new admin_page_manageblocks());

customfield/classes/event/category_created.php

@@ -0,0 +1,84 @@
+<?php
+// This file is part of Moodle - http://moodle.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/>.
+
+/**
+ * Custom field category created event.
+ *
+ * @package    core_customfield
+ * @copyright  2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace core_customfield\event;
+
+use core_customfield\category_controller;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Custom field category created event class.
+ *
+ * @package    core_customfield
+ * @since      Moodle 3.6
+ * @copyright  2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class category_created extends \core\event\base {
+
+    /**
+     * Initialise the event data.
+     */
+    protected function init() {
+        $this->data['objecttable'] = 'customfield_category';
+        $this->data['crud'] = 'c';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+    }
+
+    /**
+     * Creates an instance from a category controller object
+     *
+     * @param category_controller $category
+     * @return category_created
+     */
+    public static function create_from_object(category_controller $category): category_created {
+        $eventparams = [
+            'objectid' => $category->get('id'),
+            'context'  => $category->get_handler()->get_configuration_context(),
+            'other'    => ['name' => $category->get('name')]
+        ];
+        $event = self::create($eventparams);
+        $event->add_record_snapshot($event->objecttable, $category->to_record());
+        return $event;
+    }
+
+    /**
+     * Returns localised general event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventcategorycreated', 'core_customfield');
+    }
+
+    /**
+     * Returns non-localised description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return "The user with id '$this->userid' created the category with id '$this->objectid'.";
+    }
+}

customfield/classes/event/category_updated.php

@@ -0,0 +1,84 @@
+<?php
+// This file is part of Moodle - http://moodle.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/>.
+
+/**
+ * Custom field category updated event.
+ *
+ * @package    core_customfield
+ * @copyright  2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace core_customfield\event;
+
+use core_customfield\category_controller;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Custom field category updated event class.
+ *
+ * @package    core_customfield
+ * @since      Moodle 3.6
+ * @copyright  2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class category_updated extends \core\event\base {
+
+    /**
+     * Initialise the event data.
+     */
+    protected function init() {
+        $this->data['objecttable'] = 'customfield_category';
+        $this->data['crud'] = 'c';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+    }
+
+    /**
+     * Creates an instance from a category controller object
+     *
+     * @param category_controller $category
+     * @return category_updated
+     */
+    public static function create_from_object(category_controller $category): category_updated {
+        $eventparams = [
+            'objectid' => $category->get('id'),
+            'context'  => $category->get_handler()->get_configuration_context(),
+            'other'    => ['name' => $category->get('name')]
+        ];
+        $event = self::create($eventparams);
+        $event->add_record_snapshot($event->objecttable, $category->to_record());
+        return $event;
+    }
+
+    /**
+     * Returns localised general event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventcategoryupdated', 'core_customfield');
+    }
+
+    /**
+     * Returns non-localised description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return "The user with id '$this->userid' updated the category with id '$this->objectid'.";
+    }
+}

customfield/classes/event/field_created.php

@@ -0,0 +1,87 @@
+<?php
+// This file is part of Moodle - http://moodle.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/>.
+
+/**
+ * Custom field created event.
+ *
+ * @package    core_customfield
+ * @copyright  2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace core_customfield\event;
+
+use core_customfield\field_controller;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Custom field created event class.
+ *
+ * @package    core_customfield
+ * @since      Moodle 3.6
+ * @copyright  2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class field_created extends \core\event\base {
+
+    /**
+     * Initialise the event data.
+     */
+    protected function init() {
+        $this->data['objecttable'] = 'customfield_field';
+        $this->data['crud'] = 'c';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+    }
+
+    /**
+     * Creates an instance from a field controller object
+     *
+     * @param field_controller $field
+     * @return field_created
+     */
+    public static function create_from_object(field_controller $field): field_created {
+        $eventparams = [
+            'objectid' => $field->get('id'),
+            'context'  => $field->get_handler()->get_configuration_context(),
+            'other'    => [
+                'shortname' => $field->get('shortname'),
+                'name'      => $field->get('name')
+            ]
+        ];
+        $event = self::create($eventparams);
+        $event->add_record_snapshot($event->objecttable, $field->to_record());
+        return $event;
+    }
+
+    /**
+     * Returns localised general event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventfieldcreated', 'core_customfield');
+    }
+
+    /**
+     * Returns non-localised description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return "The user with id '$this->userid' created the field with id '$this->objectid'.";
+    }
+}