|
1
|
|
|
from django.db import models, transaction |
|
2
|
|
|
from django.contrib.auth.models import User |
|
3
|
|
|
from django.utils import timezone |
|
4
|
|
|
from django.shortcuts import get_object_or_404 |
|
5
|
|
|
|
|
6
|
|
|
from .assignment import Assignment |
|
7
|
|
|
from .course import Course |
|
8
|
|
|
from .submission import Submission |
|
9
|
|
|
from .studyprogram import StudyProgram |
|
10
|
|
|
|
|
11
|
|
|
|
|
12
|
|
|
class UserProfile(models.Model): |
|
13
|
|
|
user = models.OneToOneField(User, related_name='profile') |
|
14
|
|
|
student_id = models.CharField(max_length=30, blank=True, null=True) |
|
15
|
|
|
courses = models.ManyToManyField( |
|
16
|
|
|
Course, blank=True, related_name='participants', limit_choices_to={'active__exact': True}) |
|
17
|
|
|
study_program = models.ForeignKey( |
|
18
|
|
|
StudyProgram, blank=True, null=True, related_name='students') |
|
19
|
|
|
|
|
20
|
|
|
class Meta: |
|
21
|
|
|
app_label = 'opensubmit' |
|
22
|
|
|
|
|
23
|
|
|
def add_course_safe(self, id): |
|
24
|
|
|
''' |
|
25
|
|
|
Adds a course for the user after conducting a set of sanity checks. |
|
26
|
|
|
Return the title of the course or an exception. |
|
27
|
|
|
''' |
|
28
|
|
|
course = get_object_or_404(Course, pk=int(id), active=True) |
|
29
|
|
|
if course not in self.courses.all(): |
|
30
|
|
|
self.courses.add(course) |
|
31
|
|
|
return course.title |
|
32
|
|
|
|
|
33
|
|
|
def can_see_future(self): |
|
34
|
|
|
''' |
|
35
|
|
|
Decides if this user is allowed to work with assignments that |
|
36
|
|
|
have their starting date in the future. |
|
37
|
|
|
''' |
|
38
|
|
|
return self.user.is_staff |
|
39
|
|
|
|
|
40
|
|
|
def tutor_courses(self): |
|
41
|
|
|
''' |
|
42
|
|
|
Returns the list of courses this user is tutor or owner for. |
|
43
|
|
|
''' |
|
44
|
|
|
tutoring = self.user.courses_tutoring.all().filter(active__exact=True) |
|
45
|
|
|
owning = self.user.courses.all().filter(active__exact=True) |
|
46
|
|
|
result = (tutoring | owning).distinct() |
|
47
|
|
|
return result |
|
48
|
|
|
|
|
49
|
|
|
def user_courses(self): |
|
50
|
|
|
''' |
|
51
|
|
|
Returns the list of courses this user is subscribed for, |
|
52
|
|
|
or owning, or tutoring. |
|
53
|
|
|
This leads to the fact that tutors and owners don't need |
|
54
|
|
|
course membership. |
|
55
|
|
|
''' |
|
56
|
|
|
registered = self.courses.filter(active__exact=True).distinct() |
|
57
|
|
|
return (self.tutor_courses() | registered).distinct() |
|
58
|
|
|
|
|
59
|
|
|
def open_assignments(self): |
|
60
|
|
|
''' |
|
61
|
|
|
Returns the list of open assignments from the |
|
62
|
|
|
viewpoint of this user. |
|
63
|
|
|
''' |
|
64
|
|
|
# Include only assignments with future, or no, hard deadline |
|
65
|
|
|
qs = Assignment.objects.filter(hard_deadline__gt=timezone.now( |
|
66
|
|
|
)) | Assignment.objects.filter(hard_deadline__isnull=True) |
|
67
|
|
|
# Include only assignments that are already published, |
|
68
|
|
|
# as long as you are not a tutor / course owner |
|
69
|
|
|
if not self.can_see_future(): |
|
70
|
|
|
qs = qs.filter(publish_at__lt=timezone.now()) |
|
71
|
|
|
# Include only assignments from courses that you are registered for |
|
72
|
|
|
qs = qs.filter(course__in=self.user_courses()) |
|
73
|
|
|
# Ordering of resulting list |
|
74
|
|
|
qs = qs.order_by('soft_deadline', '-gradingScheme', 'title') |
|
75
|
|
|
waiting_for_action = [subm.assignment for subm in self.user.authored.all( |
|
76
|
|
|
).exclude(state=Submission.WITHDRAWN)] |
|
77
|
|
|
# Emulate is_null sorting for soft_deadline |
|
78
|
|
|
qs_without_soft_deadline = qs.filter(soft_deadline__isnull=True) |
|
79
|
|
|
qs_with_soft_deadline = qs.filter(soft_deadline__isnull=False) |
|
80
|
|
|
ass_list = [ |
|
81
|
|
|
ass for ass in qs_without_soft_deadline if ass not in waiting_for_action] |
|
82
|
|
|
ass_list += [ |
|
83
|
|
|
ass for ass in qs_with_soft_deadline if ass not in waiting_for_action] |
|
84
|
|
|
return ass_list |
|
85
|
|
|
|
|
86
|
|
|
def gone_assignments(self): |
|
87
|
|
|
''' |
|
88
|
|
|
Returns the list of past assignments the user did not submit for |
|
89
|
|
|
before the hard deadline. |
|
90
|
|
|
''' |
|
91
|
|
|
# Include only assignments with past hard deadline |
|
92
|
|
|
qs = Assignment.objects.filter(hard_deadline__lt=timezone.now()) |
|
93
|
|
|
# Include only assignments from courses this user is registered for |
|
94
|
|
|
qs = qs.filter(course__in=self.user_courses()) |
|
95
|
|
|
# Include only assignments this user has no submission for |
|
96
|
|
|
return qs.order_by('-hard_deadline') |
|
97
|
|
|
|
|
98
|
|
|
|
|
99
|
|
|
def db_fixes(user): |
|
100
|
|
|
''' |
|
101
|
|
|
Fix users that already exist and never got a user profile attached. |
|
102
|
|
|
This may be user accounts that were created by the Django Social or manually by the admin. |
|
103
|
|
|
|
|
104
|
|
|
TODO: This belongs into a User post_save handler. |
|
105
|
|
|
''' |
|
106
|
|
|
profile, created = UserProfile.objects.get_or_create(user=user) |
|
107
|
|
|
|
|
108
|
|
|
|
|
109
|
|
|
def user_unicode(self): |
|
110
|
|
|
''' |
|
111
|
|
|
Monkey patch for getting better user name stringification, |
|
112
|
|
|
user proxies did not make the job. |
|
113
|
|
|
Django's custom user model feature would have needed to be introduced |
|
114
|
|
|
before the first syncdb, which does not work for existing installations. |
|
115
|
|
|
''' |
|
116
|
|
|
if self.email: |
|
117
|
|
|
shortened = self.email.split('@')[0] |
|
118
|
|
|
return '%s %s (%s@...)' % (self.first_name, self.last_name, shortened) |
|
119
|
|
|
elif self.first_name or self.last_name: |
|
120
|
|
|
return '%s %s' % (self.first_name, self.last_name) |
|
121
|
|
|
elif self.username: |
|
122
|
|
|
return '%s' % (self.username) |
|
123
|
|
|
else: |
|
124
|
|
|
return 'User %u' % (self.pk) |
|
125
|
|
|
|
|
126
|
|
|
|
|
127
|
|
|
User.__str__ = user_unicode |
|
128
|
|
|
|
|
129
|
|
|
|
|
130
|
|
|
@transaction.atomic |
|
131
|
|
|
def move_user_data(primary, secondary): |
|
132
|
|
|
''' |
|
133
|
|
|
Moves all submissions and other data linked to the secondary user into the primary user. |
|
134
|
|
|
Nothing is deleted here, we just modify foreign user keys. |
|
135
|
|
|
''' |
|
136
|
|
|
# Update all submission authorships of the secondary to the primary |
|
137
|
|
|
submissions = Submission.objects.filter(authors__id=secondary.pk) |
|
138
|
|
|
for subm in submissions: |
|
139
|
|
|
if subm.submitter == secondary: |
|
140
|
|
|
subm.submitter = primary |
|
141
|
|
|
subm.authors.remove(secondary) |
|
142
|
|
|
subm.authors.add(primary) |
|
143
|
|
|
subm.save() |
|
144
|
|
|
# Transfer course registrations |
|
145
|
|
|
try: |
|
146
|
|
|
for course in secondary.profile.courses.all(): |
|
147
|
|
|
primary.profile.courses.add(course) |
|
148
|
|
|
primary.profile.save() |
|
149
|
|
|
except UserProfile.DoesNotExist: |
|
150
|
|
|
# That's a database consistency problem, but he will go away anyway |
|
151
|
|
|
pass |
|
152
|
|
|
|
troeger /
opensubmit
