register and sign in pages

backend/users/managers.py

@@ -0,0 +1,38 @@
+from django.contrib.auth.models import BaseUserManager
+
+from .mobile import normalize_mobile
+
+
+class UserManager(BaseUserManager):
+    """Users are identified by mobile number, not username."""
+
+    use_in_migrations = True
+
+    def _create_user(self, mobile, password=None, **extra_fields):
+        if not mobile:
+            raise ValueError("A mobile number is required.")
+        user = self.model(mobile=normalize_mobile(mobile), **extra_fields)
+        if password:
+            user.set_password(password)
+        else:
+            user.set_unusable_password()
+        user.save(using=self._db)
+        return user
+
+    def create_user(self, mobile, password=None, **extra_fields):
+        extra_fields.setdefault("is_staff", False)
+        extra_fields.setdefault("is_superuser", False)
+        return self._create_user(mobile, password, **extra_fields)
+
+    def create_superuser(self, mobile, password=None, **extra_fields):
+        extra_fields.setdefault("is_staff", True)
+        extra_fields.setdefault("is_superuser", True)
+        extra_fields.setdefault("is_active", True)
+        extra_fields.setdefault("status", self.model.Status.APPROVED)
+        extra_fields.setdefault("auth_method", self.model.AuthMethod.PASSWORD)
+        if not extra_fields["is_staff"] or not extra_fields["is_superuser"]:
+            raise ValueError("Superusers must have is_staff and is_superuser set.")
+        return self._create_user(mobile, password, **extra_fields)
+
+    def get_by_natural_key(self, username):
+        return self.get(mobile=normalize_mobile(username))