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from django.db import models |
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from django.http import Http404 |
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from dry_rest_permissions.generics import allow_staff_or_superuser |
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from sigma_core.models.user import User |
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class GroupMember(models.Model): |
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""" |
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Modelize a membership relation between an User and a Group. |
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""" |
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class Meta: |
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# TODO: Make a primary key once Django supports it |
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unique_together = (("user", "group"),) |
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user = models.ForeignKey('User', related_name='memberships') |
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group = models.ForeignKey('Group', related_name='memberships') |
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created = models.DateTimeField(auto_now_add=True) |
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join_date = models.DateField(blank=True, null=True) |
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leave_date = models.DateField(blank=True, null=True) |
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perm_rank = models.SmallIntegerField(blank=False, default=1) |
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# Related fields: |
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# - values (model GroupMemberValue) |
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def can_invite(self): |
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return self.perm_rank >= self.group.req_rank_invite |
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def can_kick(self): |
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return self.perm_rank >= self.group.req_rank_kick |
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def is_accepted(self): |
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return self.perm_rank > 0 |
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def __str__(self): |
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return "User \"%s\" r%d in Group \"%s\"" % (self.user.__str__(), self.perm_rank, self.group.__str__()) |
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# Perms for admin site |
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def has_perm(self, perm, obj=None): |
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return True |
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def has_module_perms(self, app_label): |
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return True |
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# Permissions |
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@staticmethod |
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def has_read_permission(request): |
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return True |
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def has_object_read_permission(self, request): |
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return True |
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@staticmethod |
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def has_write_permission(request): |
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return True |
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@staticmethod |
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@allow_staff_or_superuser |
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def has_create_permission(request): |
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from sigma_core.models.group import Group |
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if request.data.get('user') and request.user.id != request.data.get('user'): |
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return False |
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try: |
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group_id = request.data.get('group', None) |
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if group_id: |
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request.group = Group.objects.get(pk=group_id) |
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return request.group.can_anyone_join() or request.user.is_invited_to_group_id(group_id) |
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return True |
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except Group.DoesNotExist: |
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raise Http404() |
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@allow_staff_or_superuser |
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def has_object_write_permission(self, request): |
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""" |
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TODO: implement that. |
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""" |
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return True |
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ProjetSigma /
backend
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