|
1
|
|
|
from django.db import models |
|
2
|
|
|
from django.http import Http404 |
|
3
|
|
|
|
|
4
|
|
|
from dry_rest_permissions.generics import allow_staff_or_superuser |
|
5
|
|
|
|
|
6
|
|
|
from sigma_core.models.user import User |
|
7
|
|
|
|
|
8
|
|
|
class GroupMember(models.Model): |
|
|
|
|
|
|
9
|
|
|
""" |
|
10
|
|
|
Modelize a membership relation between an User and a Group. |
|
11
|
|
|
""" |
|
12
|
|
|
class Meta: |
|
13
|
|
|
# TODO: Make a primary key once Django supports it |
|
14
|
|
|
unique_together = (("user", "group"),) |
|
15
|
|
|
|
|
16
|
|
|
user = models.ForeignKey('User', related_name='memberships') |
|
17
|
|
|
group = models.ForeignKey('Group', related_name='memberships') |
|
18
|
|
|
created = models.DateTimeField(auto_now_add=True) |
|
19
|
|
|
join_date = models.DateField(blank=True, null=True) |
|
20
|
|
|
leave_date = models.DateField(blank=True, null=True) |
|
21
|
|
|
perm_rank = models.SmallIntegerField(blank=False, default=1) |
|
22
|
|
|
|
|
23
|
|
|
# Related fields: |
|
24
|
|
|
# - values (model GroupMemberValue) |
|
25
|
|
|
|
|
26
|
|
|
def can_invite(self): |
|
27
|
|
|
return self.perm_rank >= self.group.req_rank_invite |
|
|
|
|
|
|
28
|
|
|
|
|
29
|
|
|
def can_kick(self): |
|
30
|
|
|
return self.perm_rank >= self.group.req_rank_kick |
|
|
|
|
|
|
31
|
|
|
|
|
32
|
|
|
def is_accepted(self): |
|
33
|
|
|
return self.perm_rank > 0 |
|
|
|
|
|
|
34
|
|
|
|
|
35
|
|
|
def __str__(self): |
|
36
|
|
|
return "User \"%s\" r%d in Group \"%s\"" % (self.user.__str__(), self.perm_rank, self.group.__str__()) |
|
|
|
|
|
|
37
|
|
|
|
|
38
|
|
|
# Perms for admin site |
|
39
|
|
|
def has_perm(self, perm, obj=None): |
|
40
|
|
|
return True |
|
41
|
|
|
|
|
42
|
|
|
def has_module_perms(self, app_label): |
|
43
|
|
|
return True |
|
44
|
|
|
|
|
45
|
|
|
# Permissions |
|
46
|
|
|
@staticmethod |
|
|
|
|
|
|
47
|
|
|
def has_read_permission(request): |
|
48
|
|
|
return True |
|
49
|
|
|
|
|
50
|
|
|
def has_object_read_permission(self, request): |
|
51
|
|
|
return True |
|
52
|
|
|
|
|
53
|
|
|
@staticmethod |
|
|
|
|
|
|
54
|
|
|
def has_write_permission(request): |
|
55
|
|
|
return True |
|
56
|
|
|
|
|
57
|
|
|
@staticmethod |
|
|
|
|
|
|
58
|
|
|
@allow_staff_or_superuser |
|
|
|
|
|
|
59
|
|
|
def has_create_permission(request): |
|
60
|
|
|
from sigma_core.models.group import Group |
|
61
|
|
|
if request.data.get('user') and request.user.id != request.data.get('user'): |
|
|
|
|
|
|
62
|
|
|
return False |
|
63
|
|
|
try: |
|
64
|
|
|
group_id = request.data.get('group', None) |
|
65
|
|
|
if group_id: |
|
|
|
|
|
|
66
|
|
|
request.group = Group.objects.get(pk=group_id) |
|
67
|
|
|
return request.group.can_anyone_join() or request.user.is_invited_to_group_id(group_id) |
|
68
|
|
|
return True |
|
69
|
|
|
except Group.DoesNotExist: |
|
|
|
|
|
|
70
|
|
|
raise Http404() |
|
71
|
|
|
|
|
72
|
|
|
@allow_staff_or_superuser |
|
|
|
|
|
|
73
|
|
|
def has_object_write_permission(self, request): |
|
74
|
|
|
""" |
|
75
|
|
|
TODO: implement that. |
|
76
|
|
|
""" |
|
77
|
|
|
return True |
|
78
|
|
|
|