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