forked from openfun/fun-apps
/
views.py
421 lines (353 loc) · 15.9 KB
/
views.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
# -*- coding: utf-8 -*-
import csv
from collections import namedtuple, defaultdict
import datetime
import logging
import re
from django.conf import settings
from django.contrib import messages
from django.contrib.auth.models import User
from django.db.models import Q
from django.http import HttpResponse, Http404
from django.core.urlresolvers import reverse
from django.db.models import Count
from django.shortcuts import render, redirect
from django.utils import timezone
from django.utils.translation import ugettext, ugettext_lazy as _
from pure_pagination import Paginator, PageNotAnInteger
from bulk_email.models import Optout
from certificates.models import GeneratedCertificate
from courseware.courses import course_image_url, get_courses, get_cms_course_link
from edxmako.shortcuts import render_to_string
from microsite_configuration import microsite
from opaque_keys.edx.keys import CourseKey
from student.models import CourseEnrollment, CourseAccessRole, UserStanding, Registration
from xmodule_django.models import CourseKeyField
from xmodule.modulestore.django import modulestore
from newsfeed.models import Article
from universities.models import University
from .forms import SearchUserForm, UserForm, UserProfileForm, ArticleForm
from .utils import get_course, group_required, get_course_key
from courses.models import Course, CourseUniversityRelation
from courses.utils import get_about_section
ABOUT_SECTION_FIELDS = ['effort', 'video']
logger = logging.getLogger(__name__)
FunCourse = namedtuple('FunCourse', [
'course',
'fun',
'course_image_url',
'students_count',
'title',
'university',
'url',
'studio_url'
] + ABOUT_SECTION_FIELDS)
LIMIT_BY_PAGE = 100
def get_about_sections(course_descriptor):
about_sections = {
field: get_about_section(course_descriptor, field) or ''
for field in ABOUT_SECTION_FIELDS
}
about_sections['effort'] = about_sections['effort'].replace('\n', '') # clean the many CRs
if about_sections['video']:
try: # edX stores the Youtube iframe HTML code, let's extract the Dailymotion Cloud ID
about_sections['video'] = re.findall(r'www.youtube.com/embed/(?P<hash>[\w]+)\?', about_sections['video'])[0]
except IndexError:
pass
return about_sections
def get_course_info(course_descriptor, course, students_count):
"""Returns an object containing original edX course and some complementary properties."""
about_sections = get_about_sections(course_descriptor)
course_info = FunCourse(
course=course_descriptor,
fun=course,
course_image_url=course_image_url(course_descriptor),
students_count=students_count,
title=course_descriptor.display_name_with_default,
university=course_descriptor.display_org_with_default,
url='https://%s%s' % (settings.LMS_BASE,
reverse('about_course', args=[course_descriptor.id.to_deprecated_string()])),
studio_url=get_cms_course_link(course_descriptor),
**about_sections
)
return course_info
def get_course_enrollment_counts(course_descriptors_ids):
queryset = (
CourseEnrollment.objects
.filter(course_id__in=course_descriptors_ids)
.values('course_id')
.annotate(total=Count('course_id'))
)
return {
result['course_id']: result['total'] for result in queryset
}
def get_course_infos(course_descriptors):
course_descriptor_ids = [course_descriptor.id for course_descriptor in course_descriptors]
courses = Course.objects.filter(key__in=course_descriptor_ids)
course_enrollment_counts = get_course_enrollment_counts(course_descriptor_ids)
course_dict = {course.key: course for course in courses}
return [
get_course_info(
course_descriptor,
course_dict.get(course_descriptor.id.to_deprecated_string()),
course_enrollment_counts.get(course_descriptor.id.to_deprecated_string(), 0)
)
for course_descriptor in course_descriptors
]
def get_complete_course_info(course_descriptor):
return get_course_infos([course_descriptor])[0]
def get_filtered_course_infos(request):
course_infos = get_course_infos(get_courses(request.user))
pattern = request.GET.get('search')
if pattern:
course_infos = [course for course in course_infos
if pattern in course.title
or pattern in course.course.id.to_deprecated_string()]
return course_infos, pattern
def format_datetime(dt):
FORMAT = '%Y-%m-%d %H:%M'
return dt.strftime(FORMAT) if dt else ''
@group_required('fun_backoffice')
def courses_list(request):
course_infos, pattern = get_filtered_course_infos(request)
if request.method == 'POST':
# export as CSV
filename = 'export-cours-%s.csv' % datetime.datetime.now().strftime('%Y-%m-%d')
response = HttpResponse(content_type='text/csv')
response['Content-Disposition'] = 'attachment; filename=%s' % filename
writer = csv.writer(response)
csv_header = [ugettext(u"Title"), ugettext(u"University"), ugettext(u"Organisation code"),
ugettext(u"Course"), ugettext(u"Run"), ugettext(u"Start date"), ugettext(u"End date"),
ugettext(u"Enrollment start"), ugettext(u"Enrollment end"), ugettext(u"Students count"),
ugettext(u"Effort"), ugettext(u"Image"), ugettext(u"Video"), ugettext(u"Url")]
writer.writerow([field.encode('utf-8') for field in csv_header])
for course_info in course_infos:
row = [
course_info.title.encode('utf-8'),
course_info.university.encode('utf-8'),
course_info.course.id.org.encode('utf-8'),
course_info.course.id.course.encode('utf-8'),
course_info.course.id.run.encode('utf-8'),
format_datetime(course_info.course.start),
format_datetime(course_info.course.end),
format_datetime(course_info.course.enrollment_start),
format_datetime(course_info.course.enrollment_end),
course_info.students_count,
course_info.effort.encode('utf-8'),
'https://%s%s' % (
settings.LMS_BASE,
course_info.course_image_url.encode("utf-8")
),
course_info.video,
course_info.url
]
writer.writerow(row)
return response
return render(request, 'backoffice/courses.html', {
'course_infos': course_infos,
'pattern': pattern,
'tab': 'courses',
})
@group_required('fun_backoffice')
def course_detail(request, course_key_string):
"""Course is deleted from Mongo and staff and students enrollments from mySQL.
States and responses from students are not yet deleted from mySQL
(StudentModule, StudentModuleHistory are very big tables)."""
course_info = get_complete_course_info(get_course(course_key_string))
ck = CourseKey.from_string(course_key_string)
funcourse, _created = Course.objects.get_or_create(key=ck)
try:
university = University.objects.get(code=ck.org)
except University.DoesNotExist:
messages.warning(request, _(u"University with code <strong>%s</strong> does not exist.") % ck.org)
university = None
if university and university not in funcourse.universities.all():
CourseUniversityRelation.objects.create(course=funcourse, university=university)
if request.method == 'POST':
if request.POST['action'] == 'delete-course':
# from xmodule.contentstore.utils.delete_course_and_groups function
module_store = modulestore()
with module_store.bulk_operations(ck):
module_store.delete_course(ck, request.user.id)
CourseAccessRole.objects.filter(course_id=ck).delete() # shall we also delete student's enrollments ?
funcourse.delete()
messages.warning(request, _(u"Course <strong>%s</strong> has been deleted.") % course_info.course.id)
logger.warning('Course %s deleted by user %s', course_info.course.id, request.user.username)
return redirect('backoffice:courses-list')
try:
university = University.objects.get(code=course_info.course.org)
except University.DoesNotExist:
university = None
roles = CourseAccessRole.objects.filter(course_id=ck)
return render(request, 'backoffice/course.html', {
'course_info': course_info,
'university': university,
'roles': roles,
'tab': 'courses',
})
def order_and_paginate_queryset(request, queryset, default_order):
order = request.GET.get('order', default_order)
direction = '' if 'd' in request.GET else '-'
try:
page = request.GET.get('page', 1)
except PageNotAnInteger:
page = 1
queryset = queryset.order_by(direction + order)
paginator = Paginator(queryset, LIMIT_BY_PAGE, request=request)
return paginator.page(page)
@group_required('fun_backoffice')
def user_list(request):
form = SearchUserForm(data=request.GET)
users = User.objects.select_related('profile').exclude(profile__isnull=True)
if settings.FEATURES['USE_MICROSITES']:
users = users.filter(usersignupsource__site=microsite.get_value('SITE_NAME'))
total_count = users.count()
if form.data and form.is_valid():
pattern = form.cleaned_data['search']
users = users.filter(
Q(username__icontains=pattern)
| Q(email__icontains=pattern)
| Q(profile__name__icontains=pattern)
)
users = order_and_paginate_queryset(request, users, 'date_joined')
return render(request, 'backoffice/users.html', {
'users': users,
'total_count': total_count,
'form': form,
'tab': 'users',
})
def ban_user(request, user):
user_account, _created = UserStanding.objects.get_or_create(
user=user, defaults={'changed_by': request.user})
if request.POST['value'] == 'disable':
user_account.account_status = UserStanding.ACCOUNT_DISABLED
messages.success(request, _(u"Successfully disabled {}'s account").format(user.username))
elif request.POST['value'] == 'reenable':
user_account.account_status = UserStanding.ACCOUNT_ENABLED
messages.success(request, _(u"Successfully reenabled {}'s account").format(user.username))
user_account.changed_by = request.user
user_account.standing_last_changed_at = timezone.now()
user_account.save()
def change_password(request, user):
user.set_password(request.POST['new-password'])
user.save()
messages.success(request, _(u"User password changed"))
def change_grade(request, user):
""" Change a certificate grade per user, per course.
Grade comes as string and needs to range from 0 to 1.
Args:
request (HttpRequest): Contains the course id in request.POST['course-id'].
user (User): The user attached to the certificate.
"""
course = get_course_key(request.POST['course-id'])
generated_certificate = GeneratedCertificate.objects.get(user=user, course_id=course)
try:
new_grade = float(request.POST['new-grade'])
except ValueError:
messages.error(request, _(u"Invalid certificate grade."))
else:
if not 0 <= new_grade <= 1:
messages.error(request, _(u"Grades range from 0 to 1."))
else:
generated_certificate.grade = request.POST['new-grade']
generated_certificate.save()
messages.success(request, _(u"User grade changed."))
def resend_activation_email(request, user):
context = {
'name': user.profile.name,
'key': Registration.objects.get(user=user).activation_key,
'site': microsite.get_value('SITE_NAME', settings.SITE_NAME)
}
subject = ''.join(render_to_string('emails/activation_email_subject.txt', context).splitlines())
message = render_to_string('emails/activation_email.txt', context)
from_address = microsite.get_value(
'email_from_address',
settings.DEFAULT_FROM_EMAIL
)
user.email_user(subject, message, from_address)
logger.warning(u"Activation email has been resent to user %s at addresse: %s", user.username, user.email)
messages.success(
request,
_(u"Activation email has been resent to user %s at addresse: %s") % (user.username, user.email)
)
user_actions = {'ban-user' : ban_user,
'change-password' : change_password,
'change-grade' : change_grade,
'resend-activation': resend_activation_email,
}
@group_required('fun_backoffice')
def user_detail(request, username):
if settings.FEATURES['USE_MICROSITES']:
users = User.objects.filter(usersignupsource__site=microsite.get_value('SITE_NAME'))
else:
users = User.objects.all()
try:
user = users.select_related('profile').get(username=username)
except User.DoesNotExist:
raise Http404()
if 'action' in request.POST:
action = request.POST.get('action')
if action in user_actions:
user_actions[action](request, user)
else:
messages.error(request, _(u"Invalid user action."))
return redirect('backoffice:user-detail', username=username)
certificates = GeneratedCertificate.objects.filter(user=user)
userform = UserForm(instance=user, data=request.POST or None)
userprofileform = UserProfileForm(instance=user.profile, data=request.POST or None)
disabled = UserStanding.objects.filter(user=user,
account_status=UserStanding.ACCOUNT_DISABLED)
enrollments = []
optouts = Optout.objects.filter(user=user).values_list('course_id', flat=True)
user_roles = defaultdict(list)
for car in CourseAccessRole.objects.filter(user=user).exclude(course_id=CourseKeyField.Empty):
user_roles[unicode(car.course_id)].append(car.role)
for enrollment in CourseEnrollment.objects.filter(user=user):
key = unicode(enrollment.course_id)
optout = key in optouts
course = get_course(key)
if not course:
continue # enrollment can exists for course that does not exist anymore in mongo
title = course.display_name
course_roles = user_roles.get(key, [])
enrollments.append((title, enrollment.course_id, optout, course_roles))
if request.method == 'POST':
if all([userform.is_valid(), userprofileform.is_valid()]):
userform.save()
userprofileform.save()
messages.success(request, _(u"User %s has been modified") % user.username)
return redirect('backoffice:user-list')
return render(request, 'backoffice/user.html', {
'userform': userform,
'userprofileform': userprofileform,
'enrollments': enrollments,
'disabled': disabled,
'tab': 'users',
'certificates' : certificates
})
@group_required('fun_backoffice')
def news_list(request):
articles = Article.objects.all().order_by('-created_at')
if settings.FEATURES['USE_MICROSITES']:
articles = articles.filter(microsite=microsite.get_value('SITE_NAME'))
articles = order_and_paginate_queryset(request, articles, 'created_at')
return render(request, 'backoffice/articles.html', {
'articles': articles,
'tab': 'news',
})
@group_required('fun_backoffice')
def news_detail(request, news_id=None):
if news_id:
article = Article.objects.get(id=news_id)
if settings.FEATURES['USE_MICROSITES']:
assert article.microsite == microsite.get_value('SITE_NAME')
else:
article = None
form = ArticleForm(data=request.POST or None, instance=article)
if form.is_valid():
form.save()
return redirect('backoffice:news-list')
return render(request, 'backoffice/article.html', {
'form': form,
'tab': 'news',
})