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from django.db import models |
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from django.contrib.auth.models import AbstractBaseUser, BaseUserManager |
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from dry_rest_permissions.generics import allow_staff_or_superuser |
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from sigma_core.models.group import Group |
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class UserManager(BaseUserManager): |
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# TODO: Determine whether 'memberships' fields needs to be retrieved every time or not... |
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# def get_queryset(self): |
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# return super(UserManager, self).get_queryset().prefetch_related('memberships', 'invited_to_groups') |
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def create_user(self, email, lastname, firstname, password=None): |
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""" |
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Creates and saves a User with the given email, lastname, firstname and password |
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TODO - Generate a unique username. |
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""" |
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if not email: |
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raise ValueError('Users must have an email address') |
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# username = email # TODO - Generate unique username |
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user = self.model( |
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email=self.normalize_email(email), |
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lastname=lastname, |
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firstname=firstname |
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) |
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user.set_password(password) |
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user.save() |
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return user |
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def create_superuser(self, email, lastname, firstname, password): |
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""" |
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Creates and saves a superuser with the given email, lastname, firstname and password. |
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""" |
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user = self.create_user(email, lastname, firstname, password) |
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user.is_superuser = True |
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user.is_staff = True |
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user.save() |
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return user |
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class User(AbstractBaseUser): |
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""" |
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User are identified by their email. Lastname and firstname are required. |
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""" |
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email = models.EmailField(max_length=254, unique=True) |
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lastname = models.CharField(max_length=255) |
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firstname = models.CharField(max_length=128) |
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# username = models.CharField(max_length=128, unique=True) # TODO - Add unique username for frontend URLs |
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phone = models.CharField(max_length=20, blank=True) |
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is_active = models.BooleanField(default=True) |
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last_modified = models.DateTimeField(auto_now=True) |
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join_date = models.DateTimeField(auto_now_add=True) |
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is_superuser = models.BooleanField(default=False) |
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is_staff = models.BooleanField(default=False) |
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objects = UserManager() |
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invited_to_groups = models.ManyToManyField(Group, blank=True, related_name="invited_users"); |
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# Related fields: |
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# - memberships (model UserGroup) |
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USERNAME_FIELD = 'email' |
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REQUIRED_FIELDS = ['lastname', 'firstname'] |
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def __str__(self): |
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return self.email |
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def get_full_name(self): |
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return "{} {}".format(self.lastname, self.firstname) |
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def get_short_name(self): |
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return self.email |
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def is_sigma_admin(self): |
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return self.is_staff or self.is_superuser |
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def is_group_member(self, g): |
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from sigma_core.models.group_member import GroupMember |
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1 |
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try: |
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mem = self.memberships.get(group=g) |
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except GroupMember.DoesNotExist: |
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return False |
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return mem.is_accepted() |
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def can_invite(self, group): |
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1 |
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from sigma_core.models.group_member import GroupMember |
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try: |
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mem = self.memberships.get(group=group) |
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except GroupMember.DoesNotExist: |
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return False |
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return mem.perm_rank >= group.req_rank_invite |
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def can_accept_join_requests(self, group): |
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1 |
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from sigma_core.models.group_member import GroupMember |
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try: |
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mem = self.memberships.get(group=group) |
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except GroupMember.DoesNotExist: |
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return False |
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return mem.perm_rank >= group.req_rank_accept_join_requests |
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def can_modify_group_infos(self, group): |
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1 |
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from sigma_core.models.group_member import GroupMember |
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try: |
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mem = self.memberships.get(group=group) |
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except GroupMember.DoesNotExist: |
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return False |
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return mem.perm_rank >= group.req_rank_modify_group_infos |
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1 |
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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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1 |
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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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""" |
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Only authenticated users can retrieve an users list. |
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""" |
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return True |
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def has_object_read_permission(self, request): |
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""" |
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Only authenticated users can retrieve an user. |
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""" |
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return True |
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@staticmethod |
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def has_write_permission(request): |
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""" |
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Everybody can edit or create users, but with certain restraints specified in below functions. |
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By the way, everybody can change one's password or reset it. |
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""" |
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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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""" |
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Only Sigma admins can create users. |
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""" |
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return False |
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def has_object_write_permission(self, request): |
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""" |
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Nobody has all write permissions on an user (especially, nobody can delete an user). |
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""" |
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return False |
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@allow_staff_or_superuser |
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def has_object_update_permission(self, request): |
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""" |
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Only Sigma admin and oneself can edit an user. |
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""" |
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return request.user.id == self.id |
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ProjetSigma /
backend
