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// 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/>.
/**
* This module will tie together all of the different calls the gradable module will make.
*
* @module mod_forum/grades/grader
* @package mod_forum
* @copyright 2019 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
import * as Selectors from './grader/selectors';
import Repository from 'mod_forum/repository';
import Templates from 'core/templates';
import * as Grader from '../local/grades/grader';
import Notification from 'core/notification';
import CourseRepository from 'core_course/repository';
import {relativeUrl} from 'core/url';
const templateNames = {
contentRegion: 'mod_forum/grades/grader/discussion/posts',
};
/**
* Curried function with CMID set, this is then used in unified grader as a fetch a users content.
*
* @param {Number} cmid
* @param {Bool} experimentalDisplayMode
* @return {Function}
*/
const getContentForUserIdFunction = (cmid, experimentalDisplayMode) => (userid) => {
/**
* Given the parent function is called with the second param set execute the partially executed function.
*
* @param {Number} userid
*/
return Repository.getDiscussionByUserID(userid, cmid)
.then(context => {
// Rebuild the returned data for the template.
context.discussions = context.discussions.map(discussionPostMapper);
context.experimentaldisplaymode = experimentalDisplayMode ? true : false;
return Templates.render(templateNames.contentRegion, context);
})
.catch(Notification.exception);
};
/**
* Curried function with CMID set, this is then used in unified grader as a fetch users call.
* The function curried fetches all users in a course for a given CMID.
*
* @param {Number} cmid
* @param {Number} groupID
* @return {Array} Array of users for a given context.
*/
const getUsersForCmidFunction = (cmid, groupID) => async() => {
const context = await CourseRepository.getUsersFromCourseModuleID(cmid, groupID);
return context.users;
};
const findGradableNode = node => node.closest(Selectors.gradableItem);
/**
* For a discussion we need to manipulate it's posts to hide certain UI elements.
*
* @param {Object} discussion
* @return {Array} name, id, posts
*/
const discussionPostMapper = (discussion) => {
// Map postid => post.
const parentMap = new Map();
discussion.posts.parentposts.forEach(post => parentMap.set(post.id, post));
const userPosts = discussion.posts.userposts.map(post => {
post.readonly = true;
post.hasreplies = false;
post.replies = [];
const parent = post.parentid ? parentMap.get(post.parentid) : null;
if (parent) {
parent.hasreplies = false;
parent.replies = [];
parent.readonly = true;
post.parentauthorname = parent.author.fullname;
}
return {
parent,
post
};
});
return {
...discussion,
posts: userPosts,
};
};
/**
* Launch the Grader.
*
* @param {HTMLElement} rootNode the root HTML element describing what is to be graded
*/
const launchWholeForumGrading = async(rootNode, {
focusOnClose = null,
} = {}) => {
const data = rootNode.dataset;
const gradingPanelFunctions = await Grader.getGradingPanelFunctions(
'mod_forum',
data.contextid,
data.gradingComponent,
data.gradingComponentSubtype,
data.gradableItemtype
);
const groupID = data.group ? data.group : 0;
await Grader.launch(
getUsersForCmidFunction(data.cmid, groupID),
getContentForUserIdFunction(data.cmid, data.experimentalDisplayMode == "1"),
gradingPanelFunctions.getter,
gradingPanelFunctions.setter,
{
groupid: data.groupid,
initialUserId: data.initialuserid,
moduleName: data.name,
courseName: data.courseName,
courseUrl: relativeUrl('/course/view.php', {id: data.courseId}),
sendStudentNotifications: data.sendStudentNotifications,
focusOnClose,
}
);
};
/**
* Launch the Grader.
*
* @param {HTMLElement} rootNode the root HTML element describing what is to be graded
*/
const launchViewGrading = async(rootNode, {
focusOnClose = null,
} = {}) => {
const data = rootNode.dataset;
const gradingPanelFunctions = await Grader.getGradingPanelFunctions(
'mod_forum',
data.contextid,
data.gradingComponent,
data.gradingComponentSubtype,
data.gradableItemtype
);
await Grader.view(
gradingPanelFunctions.getter,
data.userid,
data.name,
{
focusOnClose,
}
);
};
/**
* Register listeners to launch the grading panel.
*/
export const registerLaunchListeners = () => {
document.addEventListener('click', async(e) => {
if (e.target.matches(Selectors.launch)) {
const rootNode = findGradableNode(e.target);
if (!rootNode) {
throw Error('Unable to find a gradable item');
}
if (rootNode.matches(Selectors.gradableItems.wholeForum)) {
// Note: The preventDefault must be before any async function calls because the function becomes async
// at that point and the default action is implemented.
e.preventDefault();
try {
await launchWholeForumGrading(rootNode, {
focusOnClose: e.target,
});
} catch (error) {
Notification.exception(error);
}
} else {
throw Error('Unable to find a valid gradable item');
}
}
if (e.target.matches(Selectors.viewGrade)) {
e.preventDefault();
const rootNode = findGradableNode(e.target);
if (!rootNode) {
throw Error('Unable to find a gradable item');
}
if (rootNode.matches(Selectors.gradableItems.wholeForum)) {
// Note: The preventDefault must be before any async function calls because the function becomes async
// at that point and the default action is implemented.
e.preventDefault();
try {
await launchViewGrading(rootNode, {
focusOnClose: e.target,
});
} catch (error) {
Notification.exception(error);
}
} else {
throw Error('Unable to find a valid gradable item');
}
}
});
};