codecombat/app/views/courses/TeacherClassView.coffee
2016-05-31 11:22:42 -07:00

430 lines
16 KiB
CoffeeScript

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 .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'
'change .course-select, .bulk-course-select': 'onChangeCourseSelect'
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: ""
}
getTitle: -> return @classroom?.get('name')
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', ->
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?
@calculateProgressAndLevels()
classStats = @calculateClassStats()
@state.set classStats: classStats if classStats
@state.set students: @students
@listenTo @students, 'sort', ->
@state.set students: @students
@render()
@listenTo @, 'course-select:change', ({ selectedCourse }) ->
@state.set selectedCourse: selectedCourse
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', $(e.target).val())
onChangeCourseSelect: (e) ->
@trigger 'course-select:change', { selectedCourse: @courses.get($(e.currentTarget).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
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'))