Current File : /home/vacivi36/ava/course/format/amd/build/local/courseeditor/courseeditor.min.js.map
{"version":3,"file":"courseeditor.min.js","sources":["../../../src/local/courseeditor/courseeditor.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle. If not, see <http://www.gnu.org/licenses/>.\n\nimport {Reactive} from 'core/reactive';\nimport notification from 'core/notification';\nimport Exporter from 'core_courseformat/local/courseeditor/exporter';\nimport log from 'core/log';\nimport ajax from 'core/ajax';\nimport * as Storage from 'core/sessionstorage';\n\n/**\n * Main course editor module.\n *\n * All formats can register new components on this object to create new reactive\n * UI components that watch the current course state.\n *\n * @module core_courseformat/local/courseeditor/courseeditor\n * @class core_courseformat/local/courseeditor/courseeditor\n * @copyright 2021 Ferran Recio <ferran@moodle.com>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nexport default class extends Reactive {\n\n /**\n * The current state cache key\n *\n * The state cache is considered dirty if the state changes from the last page or\n * if the page has editing mode on.\n *\n * @attribute stateKey\n * @type number|null\n * @default 1\n * @package\n */\n stateKey = 1;\n\n /**\n * The current page section return\n * @attribute sectionReturn\n * @type number\n * @default 0\n */\n sectionReturn = 0;\n\n /**\n * Set up the course editor when the page is ready.\n *\n * The course can only be loaded once per instance. Otherwise an error is thrown.\n *\n * The backend can inform the module of the current state key. This key changes every time some\n * update in the course affect the current user state. Some examples are:\n * - The course content has been edited\n * - The user marks some activity as completed\n * - The user collapses or uncollapses a section (it is stored as a user preference)\n *\n * @param {number} courseId course id\n * @param {string} serverStateKey the current backend course cache reference\n */\n async loadCourse(courseId, serverStateKey) {\n\n if (this.courseId) {\n throw new Error(`Cannot load ${courseId}, course already loaded with id ${this.courseId}`);\n }\n\n if (!serverStateKey) {\n // The server state key is not provided, we use a invalid statekey to force reloading.\n serverStateKey = `invalidStateKey_${Date.now()}`;\n }\n\n // Default view format setup.\n this._editing = false;\n this._supportscomponents = false;\n\n this.courseId = courseId;\n\n let stateData;\n\n const storeStateKey = Storage.get(`course/${courseId}/stateKey`);\n try {\n // Check if the backend state key is the same we have in our session storage.\n if (!this.isEditing && serverStateKey == storeStateKey) {\n stateData = JSON.parse(Storage.get(`course/${courseId}/staticState`));\n }\n if (!stateData) {\n stateData = await this.getServerCourseState();\n }\n\n } catch (error) {\n log.error(\"EXCEPTION RAISED WHILE INIT COURSE EDITOR\");\n log.error(error);\n return;\n }\n\n this.setInitialState(stateData);\n\n // In editing mode, the session cache is considered dirty always.\n if (this.isEditing) {\n this.stateKey = null;\n } else {\n // Check if the last state is the same as the cached one.\n const newState = JSON.stringify(stateData);\n const previousState = Storage.get(`course/${courseId}/staticState`);\n if (previousState !== newState || storeStateKey !== serverStateKey) {\n Storage.set(`course/${courseId}/staticState`, newState);\n Storage.set(`course/${courseId}/stateKey`, stateData?.course?.statekey ?? serverStateKey);\n }\n this.stateKey = Storage.get(`course/${courseId}/stateKey`);\n }\n }\n\n /**\n * Setup the current view settings\n *\n * @param {Object} setup format, page and course settings\n * @param {boolean} setup.editing if the page is in edit mode\n * @param {boolean} setup.supportscomponents if the format supports components for content\n * @param {string} setup.cacherev the backend cached state revision\n */\n setViewFormat(setup) {\n this._editing = setup.editing ?? false;\n this._supportscomponents = setup.supportscomponents ?? false;\n }\n\n /**\n * Load the current course state from the server.\n *\n * @returns {Object} the current course state\n */\n async getServerCourseState() {\n const courseState = await ajax.call([{\n methodname: 'core_courseformat_get_state',\n args: {\n courseid: this.courseId,\n }\n }])[0];\n\n const stateData = JSON.parse(courseState);\n\n return {\n course: {},\n section: [],\n cm: [],\n ...stateData,\n };\n }\n\n /**\n * Return the current edit mode.\n *\n * Components should use this method to check if edit mode is active.\n *\n * @return {boolean} if edit is enabled\n */\n get isEditing() {\n return this._editing ?? false;\n }\n\n /**\n * Return a data exporter to transform state part into mustache contexts.\n *\n * @return {Exporter} the exporter class\n */\n getExporter() {\n return new Exporter(this);\n }\n\n /**\n * Return if the current course support components to refresh the content.\n *\n * @returns {boolean} if the current content support components\n */\n get supportComponents() {\n return this._supportscomponents ?? false;\n }\n\n /**\n * Get a value from the course editor static storage if any.\n *\n * The course editor static storage uses the sessionStorage to store values from the\n * components. This is used to prevent unnecesary template loadings on every page. However,\n * the storage does not work if no sessionStorage can be used (in debug mode for example),\n * if the page is in editing mode or if the initial state change from the last page.\n *\n * @param {string} key the key to get\n * @return {boolean|string} the storage value or false if cannot be loaded\n */\n getStorageValue(key) {\n if (this.isEditing || !this.stateKey) {\n return false;\n }\n const dataJson = Storage.get(`course/${this.courseId}/${key}`);\n if (!dataJson) {\n return false;\n }\n // Check the stateKey.\n try {\n const data = JSON.parse(dataJson);\n if (data?.stateKey !== this.stateKey) {\n return false;\n }\n return data.value;\n } catch (error) {\n return false;\n }\n }\n\n /**\n * Stores a value into the course editor static storage if available\n *\n * @param {String} key the key to store\n * @param {*} value the value to store (must be compatible with JSON,stringify)\n * @returns {boolean} true if the value is stored\n */\n setStorageValue(key, value) {\n // Values cannot be stored on edit mode.\n if (this.isEditing) {\n return false;\n }\n const data = {\n stateKey: this.stateKey,\n value,\n };\n return Storage.set(`course/${this.courseId}/${key}`, JSON.stringify(data));\n }\n\n /**\n * Dispatch a change in the state.\n *\n * Usually reactive modules throw an error directly to the components when something\n * goes wrong. 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