// 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/>.
/**
* JS for the recordings page on mod_bigbluebuttonbn plugin.
*
* @module mod_bigbluebuttonbn/recordings
* @copyright 2021 Blindside Networks Inc
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
import * as repository from './repository';
import {exception as displayException, saveCancelPromise} from 'core/notification';
import {prefetchStrings} from 'core/prefetch';
import {getString, getStrings} from 'core/str';
import {addIconToContainerWithPromise} from 'core/loadingicon';
import Pending from 'core/pending';
const stringsWithKeys = {
first: 'view_recording_yui_first',
prev: 'view_recording_yui_prev',
next: 'view_recording_yui_next',
last: 'view_recording_yui_last',
goToLabel: 'view_recording_yui_page',
goToAction: 'view_recording_yui_go',
perPage: 'view_recording_yui_rows',
showAll: 'view_recording_yui_show_all',
};
// Load global strings.
prefetchStrings('bigbluebuttonbn', Object.entries(stringsWithKeys).map((entry) => entry[1]));
const getStringsForYui = () => {
const stringMap = Object.keys(stringsWithKeys).map(key => {
return {
key: stringsWithKeys[key],
component: 'mod_bigbluebuttonbn',
};
});
// Return an object with the matching string keys (we want an object with {<stringkey>: <stringvalue>...}).
return getStrings(stringMap)
.then((stringArray) => Object.assign(
{},
...Object.keys(stringsWithKeys).map(
(key, index) => ({[key]: stringArray[index]})
)
));
};
const getYuiInstance = lang => new Promise(resolve => {
// eslint-disable-next-line
YUI({
lang,
}).use('intl', 'datatable', 'datatable-sort', 'datatable-paginator', 'datatype-number', Y => {
resolve(Y);
});
});
/**
* Format the supplied date per the specified locale.
*
* @param {string} locale
* @param {number} date
* @returns {array}
*/
const formatDate = (locale, date) => {
const realDate = new Date(date);
return realDate.toLocaleDateString(locale, {
weekday: 'long',
year: 'numeric',
month: 'long',
day: 'numeric',
});
};
/**
* Format response data for the table.
*
* @param {string} response JSON-encoded table data
* @returns {array}
*/
const getFormattedData = response => {
const recordingData = response.tabledata;
return JSON.parse(recordingData.data);
};
const getTableNode = tableSelector => document.querySelector(tableSelector);
const fetchRecordingData = tableSelector => {
const tableNode = getTableNode(tableSelector);
if (tableNode === null) {
return Promise.resolve(false);
}
if (tableNode.dataset.importMode) {
return repository.fetchRecordingsToImport(
tableNode.dataset.bbbid,
tableNode.dataset.bbbSourceInstanceId,
tableNode.dataset.bbbSourceCourseId,
tableNode.dataset.tools,
tableNode.dataset.groupId
);
} else {
return repository.fetchRecordings(
tableNode.dataset.bbbid,
tableNode.dataset.tools,
tableNode.dataset.groupId
);
}
};
/**
* Fetch the data table functinos for the specified table.
*
* @param {String} tableId in which we will display the table
* @param {String} searchFormId The Id of the relate.
* @param {Object} dataTable
* @returns {Object}
* @private
*/
const getDataTableFunctions = (tableId, searchFormId, dataTable) => {
const tableNode = getTableNode(tableId);
const bbbid = tableNode.dataset.bbbid;
const updateTableFromResponse = response => {
if (!response || !response.status) {
// There was no output at all.
return;
}
dataTable.get('data').reset(getFormattedData(response));
dataTable.set(
'currentData',
dataTable.get('data')
);
const currentFilter = dataTable.get('currentFilter');
if (currentFilter) {
filterByText(currentFilter);
}
};
const refreshTableData = () => fetchRecordingData(tableId).then(updateTableFromResponse);
const filterByText = value => {
const dataModel = dataTable.get('currentData');
dataTable.set('currentFilter', value);
const escapedRegex = value.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
const rsearch = new RegExp(`<span>.*?${escapedRegex}.*?</span>`, 'i');
dataTable.set('data', dataModel.filter({asList: true}, item => {
const name = item.get('recording');
if (name && rsearch.test(name)) {
return true;
}
const description = item.get('description');
return description && rsearch.test(description);
}));
};
const requestAction = async(element) => {
const getDataFromAction = (element, dataType) => {
const dataElement = element.closest(`[data-${dataType}]`);
if (dataElement) {
return dataElement.dataset[dataType];
}
return null;
};
const elementData = element.dataset;
const payload = {
bigbluebuttonbnid: bbbid,
recordingid: getDataFromAction(element, 'recordingid'),
additionaloptions: getDataFromAction(element, 'additionaloptions'),
action: elementData.action,
};
// Slight change for import, for additional options.
if (!payload.additionaloptions) {
payload.additionaloptions = {};
}
if (elementData.action === 'import') {
const bbbsourceid = getDataFromAction(element, 'source-instance-id');
const bbbcourseid = getDataFromAction(element, 'source-course-id');
if (!payload.additionaloptions) {
payload.additionaloptions = {};
}
payload.additionaloptions.sourceid = bbbsourceid ? bbbsourceid : 0;
payload.additionaloptions.bbbcourseid = bbbcourseid ? bbbcourseid : 0;
}
// Now additional options should be a json string.
payload.additionaloptions = JSON.stringify(payload.additionaloptions);
if (element.dataset.requireConfirmation === "1") {
// Create the confirmation dialogue.
try {
await saveCancelPromise(
getString('confirm'),
recordingConfirmationMessage(payload),
getString('ok', 'moodle'),
);
} catch {
// User cancelled the dialogue.
return;
}
}
return repository.updateRecording(payload);
};
const recordingConfirmationMessage = async(data) => {
const playbackElement = document.querySelector(`#playbacks-${data.recordingid}`);
const recordingType = await getString(
playbackElement.dataset.imported === 'true' ? 'view_recording_link' : 'view_recording',
'bigbluebuttonbn'
);
const confirmation = await getString(`view_recording_${data.action}_confirmation`, 'bigbluebuttonbn', recordingType);
if (data.action === 'import') {
return confirmation;
}
// If it has associated links imported in a different course/activity, show that in confirmation dialog.
const associatedLinkCount = document.querySelector(`a#recording-${data.action}-${data.recordingid}`)?.dataset?.links;
if (!associatedLinkCount || associatedLinkCount === 0) {
return confirmation;
}
const confirmationWarning = await getString(
associatedLinkCount === 1
? `view_recording_${data.action}_confirmation_warning_p`
: `view_recording_${data.action}_confirmation_warning_s`,
'bigbluebuttonbn',
associatedLinkCount
);
return confirmationWarning + '\n\n' + confirmation;
};
/**
* Process an action event.
*
* @param {Event} e
*/
const processAction = e => {
const popoutLink = e.target.closest('[data-action="play"]');
if (popoutLink) {
e.preventDefault();
const videoPlayer = window.open('', '_blank');
videoPlayer.opener = null;
videoPlayer.location.href = popoutLink.href;
// TODO send a recording viewed event when this event will be implemented.
return;
}
// Fetch any clicked anchor.
const clickedLink = e.target.closest('a[data-action]');
if (clickedLink && !clickedLink.classList.contains('disabled')) {
e.preventDefault();
// Create a spinning icon on the table.
const iconPromise = addIconToContainerWithPromise(dataTable.get('boundingBox').getDOMNode());
requestAction(clickedLink)
.then(refreshTableData)
.then(iconPromise.resolve)
.catch(displayException);
}
};
const processSearchSubmission = e => {
// Prevent the default action.
e.preventDefault();
const parentNode = e.target.closest('div[role=search]');
const searchInput = parentNode.querySelector('input[name=search]');
filterByText(searchInput.value);
};
const registerEventListeners = () => {
// Add event listeners to the table boundingBox.
const boundingBox = dataTable.get('boundingBox').getDOMNode();
boundingBox.addEventListener('click', processAction);
// Setup the search from handlers.
const searchForm = document.querySelector(searchFormId);
if (searchForm) {
const searchButton = document.querySelector(searchFormId + ' button');
searchButton.addEventListener('click', processSearchSubmission);
}
};
return {
filterByText,
refreshTableData,
registerEventListeners,
};
};
/**
* Setup the data table for the specified BBB instance.
*
* @param {String} tableId in which we will display the table
* @param {String} searchFormId The Id of the relate.
* @param {object} response The response from the data request
* @returns {Promise}
*/
const setupDatatable = (tableId, searchFormId, response) => {
if (!response) {
return Promise.resolve();
}
if (!response.status) {
// Something failed. Continue to show the plain output.
return Promise.resolve();
}
const recordingData = response.tabledata;
const pendingPromise = new Pending('mod_bigbluebuttonbn/recordings/setupDatatable');
return Promise.all([getYuiInstance(recordingData.locale), getStringsForYui()])
.then(([yuiInstance, strings]) => {
// Here we use a custom formatter for date.
// See https://clarle.github.io/yui3/yui/docs/api/classes/DataTable.BodyView.Formatters.html
// Inspired from examples here: https://clarle.github.io/yui3/yui/docs/datatable/
// Normally formatter have the prototype: (col) => (cell) => <computed value>, see:
// https://clarle.github.io/yui3/yui/docs/api/files/datatable_js_formatters.js.html#l100 .
const dateCustomFormatter = () => (cell) => formatDate(recordingData.locale, cell.value);
// Add the fetched strings to the YUI Instance.
yuiInstance.Intl.add('datatable-paginator', yuiInstance.config.lang, {...strings});
yuiInstance.DataTable.BodyView.Formatters.customDate = dateCustomFormatter;
return yuiInstance;
})
.then(yuiInstance => {
const tableData = getFormattedData(response);
yuiInstance.RecordsPaginatorView = Y.Base.create('my-paginator-view', yuiInstance.DataTable.Paginator.View, [], {
_modelChange: function(e) {
var changed = e.changed,
totalItems = (changed && changed.totalItems);
if (totalItems) {
this._updateControlsUI(e.target.get('page'));
}
}
});
return new yuiInstance.DataTable({
paginatorView: "RecordsPaginatorView",
width: "1195px",
columns: recordingData.columns,
data: tableData,
rowsPerPage: 10,
paginatorLocation: ['header', 'footer'],
autoSync: true
});
})
.then(dataTable => {
dataTable.render(tableId);
const {registerEventListeners} = getDataTableFunctions(
tableId,
searchFormId,
dataTable);
registerEventListeners();
return dataTable;
})
.then(dataTable => {
pendingPromise.resolve();
return dataTable;
});
};
/**
* Initialise recordings code.
*
* @method init
* @param {String} tableId in which we will display the table
* @param {String} searchFormId The Id of the relate.
*/
export const init = (tableId, searchFormId) => {
const pendingPromise = new Pending('mod_bigbluebuttonbn/recordings:init');
fetchRecordingData(tableId)
.then(response => setupDatatable(tableId, searchFormId, response))
.then(() => pendingPromise.resolve())
.catch(displayException);
};