RootView = require 'views/core/RootView' State = require 'models/State' template = require 'templates/courses/teacher-class-view' helper = require 'lib/coursesHelper' ClassroomSettingsModal = require 'views/courses/ClassroomSettingsModal' InviteToClassroomModal = require 'views/courses/InviteToClassroomModal' ActivateLicensesModal = require 'views/courses/ActivateLicensesModal' EditStudentModal = require 'views/teachers/EditStudentModal' RemoveStudentModal = require 'views/courses/RemoveStudentModal' Classroom = require 'models/Classroom' Classrooms = require 'collections/Classrooms' Levels = require 'collections/Levels' LevelSessions = require 'collections/LevelSessions' User = require 'models/User' Users = require 'collections/Users' Course = require 'models/Course' Courses = require 'collections/Courses' CourseInstance = require 'models/CourseInstance' CourseInstances = require 'collections/CourseInstances' module.exports = class TeacherClassView extends RootView id: 'teacher-class-view' template: template events: 'click .nav-tabs a': 'onClickNavTabLink' 'click .unarchive-btn': 'onClickUnarchive' 'click .edit-classroom': 'onClickEditClassroom' 'click .add-students-btn': 'onClickAddStudents' 'click .edit-student-link': 'onClickEditStudentLink' 'click .sort-button': 'onClickSortButton' 'click #copy-url-btn': 'onClickCopyURLButton' 'click #copy-code-btn': 'onClickCopyCodeButton' 'click .remove-student-link': 'onClickRemoveStudentLink' 'click .assign-student-button': 'onClickAssignStudentButton' 'click .enroll-student-button': 'onClickEnrollStudentButton' 'click .revoke-student-button': 'onClickRevokeStudentButton' 'click .assign-to-selected-students': 'onClickBulkAssign' 'click .enroll-selected-students': 'onClickBulkEnroll' 'click .export-student-progress-btn': 'onClickExportStudentProgress' 'click .select-all': 'onClickSelectAll' 'click .student-checkbox': 'onClickStudentCheckbox' 'keyup #student-search': 'onKeyPressStudentSearch' getInitialState: -> { sortAttribute: 'name' sortDirection: 1 activeTab: '#' + (Backbone.history.getHash() or 'students-tab') students: new Users() classCode: "" joinURL: "" errors: assigningToNobody: false assigningToUnenrolled: false selectedCourse: undefined classStats: averagePlaytime: "" totalPlaytime: "" averageLevelsComplete: "" totalLevelsComplete: "" enrolledUsers: "" } initialize: (options, classroomID) -> super(options) @singleStudentCourseProgressDotTemplate = require 'templates/teachers/hovers/progress-dot-single-student-course' @singleStudentLevelProgressDotTemplate = require 'templates/teachers/hovers/progress-dot-single-student-level' @allStudentsLevelProgressDotTemplate = require 'templates/teachers/hovers/progress-dot-all-students-single-level' @state = new State(@getInitialState()) @updateHash @state.get('activeTab') # TODO: Don't push to URL history (maybe don't use url fragment for default tab) @classroom = new Classroom({ _id: classroomID }) @supermodel.trackRequest @classroom.fetch() @onKeyPressStudentSearch = _.debounce(@onKeyPressStudentSearch, 200) @students = new Users() @listenTo @classroom, 'sync', -> jqxhrs = @students.fetchForClassroom(@classroom, removeDeleted: true) @supermodel.trackRequests jqxhrs @classroom.sessions = new LevelSessions() requests = @classroom.sessions.fetchForAllClassroomMembers(@classroom) @supermodel.trackRequests(requests) @students.comparator = (student1, student2) => dir = @state.get('sortDirection') value = @state.get('sortValue') if value is 'name' return (if student1.broadName().toLowerCase() < student2.broadName().toLowerCase() then -dir else dir) if value is 'progress' # TODO: I would like for this to be in the Level model, # but it doesn't know about its own courseNumber. level1 = student1.latestCompleteLevel level2 = student2.latestCompleteLevel return -dir if not level1 return dir if not level2 return dir * (level1.courseNumber - level2.courseNumber or level1.levelNumber - level2.levelNumber) if value is 'status' statusMap = { expired: 0, 'not-enrolled': 1, enrolled: 2 } diff = statusMap[student1.prepaidStatus()] - statusMap[student2.prepaidStatus()] return dir * diff if diff return (if student1.broadName().toLowerCase() < student2.broadName().toLowerCase() then -dir else dir) @courses = new Courses() @supermodel.trackRequest @courses.fetch() @courseInstances = new CourseInstances() @supermodel.trackRequest @courseInstances.fetchForClassroom(classroomID) @levels = new Levels() @supermodel.trackRequest @levels.fetchForClassroom(classroomID, {data: {project: 'original,concepts'}}) @attachMediatorEvents() attachMediatorEvents: () -> @listenTo @state, 'sync change', -> if _.isEmpty(_.omit(@state.changed, 'searchTerm')) @renderSelectors('#enrollment-status-table') else @render() # Model/Collection events @listenTo @classroom, 'sync change update', -> @removeDeletedStudents() classCode = @classroom.get('codeCamel') or @classroom.get('code') @state.set { classCode: classCode joinURL: document.location.origin + "/courses?_cc=" + classCode } @listenTo @courses, 'sync change update', -> @setCourseMembers() # Is this necessary? @state.set selectedCourse: @courses.first() unless @state.get('selectedCourse') @listenTo @courseInstances, 'sync change update', -> @setCourseMembers() @render() # TODO: use state @listenTo @courseInstances, 'add-members', -> noty text: $.i18n.t('teacher.assigned'), layout: 'center', type: 'information', killer: true, timeout: 5000 @listenTo @students, 'sync change update add remove reset', -> # Set state/props of things that depend on students? # Set specific parts of state based on the models, rather than just dumping the collection there? @removeDeletedStudents() @calculateProgressAndLevels() classStats = @calculateClassStats() @state.set classStats: classStats if classStats @state.set students: @students @listenTo @students, 'sort', -> @state.set students: @students @render() setCourseMembers: => for course in @courses.models course.instance = @courseInstances.findWhere({ courseID: course.id, classroomID: @classroom.id }) course.members = course.instance?.get('members') or [] null onLoaded: -> @removeDeletedStudents() # TODO: Move this to mediator listeners? For both classroom and students? @calculateProgressAndLevels() super() afterRender: -> super(arguments...) $('.progress-dot').each (i, el) -> dot = $(el) dot.tooltip({ html: true container: dot }).delegate '.tooltip', 'mousemove', -> dot.tooltip('hide') calculateProgressAndLevels: -> return unless @supermodel.progress is 1 # TODO: How to structure this in @state? for student in @students.models # TODO: this is a weird hack studentsStub = new Users([ student ]) student.latestCompleteLevel = helper.calculateLatestComplete(@classroom, @courses, @courseInstances, studentsStub) earliestIncompleteLevel = helper.calculateEarliestIncomplete(@classroom, @courses, @courseInstances, @students) latestCompleteLevel = helper.calculateLatestComplete(@classroom, @courses, @courseInstances, @students) classroomsStub = new Classrooms([ @classroom ]) progressData = helper.calculateAllProgress(classroomsStub, @courses, @courseInstances, @students) # conceptData: helper.calculateConceptsCovered(classroomsStub, @courses, @campaigns, @courseInstances, @students) @state.set { earliestIncompleteLevel latestCompleteLevel progressData classStats: @calculateClassStats() } onClickNavTabLink: (e) -> e.preventDefault() hash = $(e.target).closest('a').attr('href') @updateHash(hash) @state.set activeTab: hash updateHash: (hash) -> return if application.testing window.location.hash = hash onClickCopyCodeButton: -> @$('#join-code-input').val(@state.get('classCode')).select() @tryCopy() onClickCopyURLButton: -> @$('#join-url-input').val(@state.get('joinURL')).select() @tryCopy() tryCopy: -> try document.execCommand('copy') application.tracker?.trackEvent 'Classroom copy URL', category: 'Courses', classroomID: @classroom.id, url: @state.joinURL catch err message = 'Oops, unable to copy' noty text: message, layout: 'topCenter', type: 'error', killer: false onClickUnarchive: -> @classroom.save { archived: false } onClickEditClassroom: (e) -> classroom = @classroom modal = new ClassroomSettingsModal({ classroom: classroom }) @openModalView(modal) @listenToOnce modal, 'hide', @render onClickEditStudentLink: (e) -> user = @students.get($(e.currentTarget).data('student-id')) modal = new EditStudentModal({ user, @classroom }) @openModalView(modal) onClickRemoveStudentLink: (e) -> user = @students.get($(e.currentTarget).data('student-id')) modal = new RemoveStudentModal({ classroom: @classroom user: user courseInstances: @courseInstances }) @openModalView(modal) modal.once 'remove-student', @onStudentRemoved, @ onStudentRemoved: (e) -> @students.remove(e.user) application.tracker?.trackEvent 'Classroom removed student', category: 'Courses', classroomID: @classroom.id, userID: e.user.id onClickAddStudents: (e) => modal = new InviteToClassroomModal({ classroom: @classroom }) @openModalView(modal) @listenToOnce modal, 'hide', @render removeDeletedStudents: () -> return unless @classroom.loaded and @students.loaded _.remove(@classroom.get('members'), (memberID) => not @students.get(memberID) or @students.get(memberID)?.get('deleted') ) true onClickSortButton: (e) -> value = $(e.target).val() if value is @state.get('sortValue') @state.set('sortDirection', -@state.get('sortDirection')) else @state.set({ sortValue: value sortDirection: 1 }) @students.sort() onKeyPressStudentSearch: (e) -> @state.set('searchTerm', $(e.target).val()) getSelectedStudentIDs: -> @$('.student-row .checkbox-flat input:checked').map (index, checkbox) -> $(checkbox).data('student-id') ensureInstance: (courseID) -> onClickEnrollStudentButton: (e) -> userID = $(e.currentTarget).data('user-id') user = @students.get(userID) selectedUsers = new Users([user]) @enrollStudents(selectedUsers) onClickBulkEnroll: -> courseID = @$('.bulk-course-select').val() courseInstance = @courseInstances.findWhere({ courseID, classroomID: @classroom.id }) userIDs = @getSelectedStudentIDs().toArray() selectedUsers = new Users(@students.get(userID) for userID in userIDs) @enrollStudents(selectedUsers) enrollStudents: (selectedUsers) -> modal = new ActivateLicensesModal { @classroom, selectedUsers, users: @students } @openModalView(modal) modal.once 'redeem-users', (enrolledUsers) => enrolledUsers.each (newUser) => user = @students.get(newUser.id) if user user.set(newUser.attributes) null application.tracker?.trackEvent 'Classroom started enroll students', category: 'Courses' onClickExportStudentProgress: -> # TODO: Does not yield .csv download on Safari, and instead opens a new tab with the .csv contents csvContent = "data:text/csv;charset=utf-8,Username, Email, Playtime, Concepts\n" for student in @students.models concepts = [] for course, index in @courses.models instance = @courseInstances.findWhere({ courseID: course.id, classroomID: @classroom.id }) if instance and instance.hasMember(student) # TODO: @levels collection is for the classroom, and not per-course for level, index in @levels.models progress = @state.get('progressData').get({ classroom: @classroom, course: course, level: level, user: student }) concepts.push(level.get('concepts') ? []) if progress?.completed concepts = _.union(_.flatten(concepts)) conceptsString = _.map(concepts, (c) -> $.i18n.t("concepts." + c)).join(', ') playtime = 0 for session in @classroom.sessions.models when session.get('creator') is student.id playtime += session.get('playtime') or 0 playtimeString = moment.duration(playtime, 'seconds').humanize() csvContent += "#{student.get('name')},#{student.get('email')},#{playtimeString},\"#{conceptsString}\"\n" csvContent = csvContent.substring(0, csvContent.length - 1) encodedUri = encodeURI(csvContent) window.open(encodedUri) onClickAssignStudentButton: (e) -> userID = $(e.currentTarget).data('user-id') user = @students.get(userID) members = [userID] courseID = $(e.currentTarget).data('course-id') @assignCourse courseID, members onClickBulkAssign: -> courseID = @$('.bulk-course-select').val() selectedIDs = @getSelectedStudentIDs() members = selectedIDs.filter((index, userID) => user = @students.get(userID) user.isEnrolled() ).toArray() assigningToUnenrolled = _.any selectedIDs, (userID) => not @students.get(userID).isEnrolled() assigningToNobody = selectedIDs.length is 0 @state.set errors: { assigningToNobody, assigningToUnenrolled } @assignCourse courseID, members # TODO: Move this to the model. Use promises/callbacks? assignCourse: (courseID, members) -> courseInstance = @courseInstances.findWhere({ courseID, classroomID: @classroom.id }) if courseInstance courseInstance.addMembers members else courseInstance = new CourseInstance { courseID, classroomID: @classroom.id ownerID: @classroom.get('ownerID') aceConfig: {} } @courseInstances.add(courseInstance) courseInstance.save {}, { success: -> courseInstance.addMembers members } null onClickRevokeStudentButton: (e) -> button = $(e.currentTarget) userID = button.data('user-id') user = @students.get(userID) s = $.i18n.t('teacher.revoke_confirm').replace('{{student_name}}', user.broadName()) return unless confirm(s) prepaid = user.makeCoursePrepaid() button.text($.i18n.t('teacher.revoking')) prepaid.revoke(user, { success: => user.unset('coursePrepaid') error: (prepaid, jqxhr) => msg = jqxhr.responseJSON.message noty text: msg, layout: 'center', type: 'error', killer: true, timeout: 3000 complete: => @render() }) onClickSelectAll: (e) -> e.preventDefault() checkboxes = @$('.student-checkbox input') if _.all(checkboxes, 'checked') @$('.select-all input').prop('checked', false) checkboxes.prop('checked', false) else @$('.select-all input').prop('checked', true) checkboxes.prop('checked', true) null onClickStudentCheckbox: (e) -> e.preventDefault() # $(e.target).$() checkbox = $(e.currentTarget).find('input') checkbox.prop('checked', not checkbox.prop('checked')) # checkboxes.prop('checked', false) checkboxes = @$('.student-checkbox input') @$('.select-all input').prop('checked', _.all(checkboxes, 'checked')) calculateClassStats: -> return {} unless @classroom.sessions?.loaded and @students.loaded stats = {} playtime = 0 total = 0 for session in @classroom.sessions.models pt = session.get('playtime') or 0 playtime += pt total += 1 stats.averagePlaytime = if playtime and total then moment.duration(playtime / total, "seconds").humanize() else 0 stats.totalPlaytime = if playtime then moment.duration(playtime, "seconds").humanize() else 0 # TODO: Humanize differently ('1 hour' instead of 'an hour') completeSessions = @classroom.sessions.filter (s) -> s.get('state')?.complete stats.averageLevelsComplete = if @students.size() then (_.size(completeSessions) / @students.size()).toFixed(1) else 'N/A' # ' stats.totalLevelsComplete = _.size(completeSessions) enrolledUsers = @students.filter (user) -> user.isEnrolled() stats.enrolledUsers = _.size(enrolledUsers) return stats studentStatusString: (student) -> status = student.prepaidStatus() expires = student.get('coursePrepaid')?.endDate string = switch status when 'not-enrolled' then $.i18n.t('teacher.status_not_enrolled') when 'enrolled' then (if expires then $.i18n.t('teacher.status_enrolled') else '-') when 'expired' then $.i18n.t('teacher.status_expired') return string.replace('{{date}}', moment(expires).utc().format('l'))