model field redundancy removed

backend/authentication/models.py

@@ -12,22 +12,21 @@
     - UserTopic
 """
 
-import uuid
-
 from django.contrib.auth.models import AbstractUser
 from django.contrib.postgres.fields import ArrayField
 from django.db import models
 
+from backend.mixins.models import BaseModelMixin, ModelMixin
+
 
-class SupportEntityType(models.Model):
-    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+class SupportEntityType(BaseModelMixin):
     name = models.CharField(max_length=255)
 
     def __str__(self) -> str:
         return self.name
 
 
-class Support(models.Model):
+class Support(BaseModelMixin):
     supporter_type = models.ForeignKey(
         "SupportEntityType", on_delete=models.CASCADE, related_name="supporter"
     )
@@ -41,8 +40,7 @@ def __str__(self) -> str:
         return str(self.id)
 
 
-class User(AbstractUser):
-    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+class User(AbstractUser, ModelMixin):
     user_name = models.CharField(max_length=255)
     name = models.CharField(max_length=255)
     password = models.CharField(max_length=255)
@@ -57,30 +55,28 @@ class User(AbstractUser):
     private = models.BooleanField(default=False)
     high_risk = models.BooleanField(default=False)
     total_flags = models.IntegerField(default=0)
-    creation_date = models.DateTimeField(auto_now_add=True)
-    deletion_date = models.DateField(null=True)
 
     def __str__(self) -> str:
         return self.username
 
 
-class UserResource(models.Model):
+class UserResource(BaseModelMixin):
     user_id = models.ForeignKey(User, on_delete=models.CASCADE)
     resource_id = models.ForeignKey("content.Resource", on_delete=models.CASCADE)
 
     def __str__(self) -> str:
         return str(self.id)
 
 
-class UserTask(models.Model):
+class UserTask(BaseModelMixin):
     user_id = models.ForeignKey(User, on_delete=models.CASCADE)
     task_id = models.ForeignKey("content.Task", on_delete=models.CASCADE)
 
     def __str__(self) -> str:
         return str(self.id)
 
 
-class UserTopic(models.Model):
+class UserTopic(BaseModelMixin):
     user_id = models.ForeignKey(User, on_delete=models.CASCADE)
     topic_id = models.ForeignKey("content.Topic", on_delete=models.CASCADE)
 

backend/backend/mixins/models.py

@@ -0,0 +1,37 @@
+import uuid
+
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+
+class BaseModelMixin(models.Model):
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    active = models.BooleanField(default=True)
+
+    class Meta:
+        abstract = True
+
+
+class ModelMixin(BaseModelMixin):
+    created_by = models.ForeignKey(
+        "authentication.User",
+        verbose_name=_("Created by"),
+        on_delete=models.SET_NULL,
+        editable=False,
+        null=True,
+        related_name="created_%(class)s_set",
+    )
+    modified_by = models.ForeignKey(
+        "authentication.User",
+        verbose_name=_("Modified by"),
+        on_delete=models.SET_NULL,
+        editable=False,
+        null=True,
+        related_name="modified_%(class)s_set",
+    )
+    created_at = models.DateTimeField(_("Created at"), auto_now_add=True)
+    modified_at = models.DateTimeField(_("Modified at"), auto_now=True)
+    deleted_at = models.DateField(_("Deleted at"), null=True, blank=True)
+
+    class Meta:
+        abstract = True

backend/backend/settings.py

@@ -162,7 +162,7 @@
     "DEFAULT_THROTTLE_RATES": {"anon": "7/min", "user": "10/min"},
     "DEFAULT_SCHEMA_CLASS": "drf_spectacular.openapi.AutoSchema",
     "DEFAULT_PAGINATION_CLASS": "rest_framework.pagination.PageNumberPagination",
-    'DEFAULT_PAGINATION_ORDERS_OBJECTS': False,
+    "DEFAULT_PAGINATION_ORDERS_OBJECTS": False,
     "PAGE_SIZE": 20,
 }
 

backend/content/models.py

@@ -11,14 +11,13 @@
     - TopicFormat
 """
 
-import uuid
-
 from django.contrib.postgres.fields import ArrayField
 from django.db import models
 
+from backend.mixins.models import BaseModelMixin, ModelMixin
+
 
-class Resource(models.Model):
-    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+class Resource(ModelMixin):
     name = models.CharField(max_length=255)
     description = models.TextField(max_length=500)
     topics = ArrayField(models.CharField(max_length=255))
@@ -34,41 +33,34 @@ def __str__(self) -> str:
         return self.name
 
 
-class Task(models.Model):
-    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+class Task(ModelMixin):
     name = models.CharField(max_length=255)
     description = models.TextField(max_length=500)
     location = models.CharField(max_length=255)
     tags = ArrayField(models.CharField(max_length=255))
-    creation_date = models.DateTimeField(auto_now_add=True)
-    deletion_date = models.DateField(null=True)
 
     def __str__(self) -> str:
         return self.name
 
 
-class Topic(models.Model):
-    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+class Topic(ModelMixin):
     name = models.CharField(max_length=255)
     active = models.BooleanField(default=True)
     description = models.TextField(max_length=500)
-    creation_date = models.DateTimeField(auto_now_add=True)
-    last_updated = models.DateTimeField(auto_now=True)
-    deprecation_date = models.DateField(null=True)
 
     def __str__(self) -> str:
         return self.name
 
 
-class ResourceTopic(models.Model):
+class ResourceTopic(BaseModelMixin):
     resource_id = models.ForeignKey(Resource, on_delete=models.CASCADE)
     topic_id = models.ForeignKey("Topic", on_delete=models.CASCADE)
 
     def __str__(self) -> str:
         return str(self.id)
 
 
-class TopicFormat(models.Model):
+class TopicFormat(BaseModelMixin):
     topic_id = models.ForeignKey(Topic, on_delete=models.CASCADE)
     format_id = models.ForeignKey("events.Format", on_delete=models.CASCADE)
 

backend/entities/models.py

@@ -19,14 +19,13 @@
     - GroupTopic
 """
 
-import uuid
-
 from django.contrib.postgres.fields import ArrayField
 from django.db import models
 
+from backend.mixins.models import BaseModelMixin, ModelMixin
+
 
-class Organization(models.Model):
-    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+class Organization(ModelMixin):
     name = models.CharField(max_length=255)
     tagline = models.CharField(max_length=255)
     location = models.CharField(max_length=255)
@@ -38,49 +37,41 @@ class Organization(models.Model):
     topics = ArrayField(models.CharField(max_length=255))
     social_accounts = ArrayField(models.CharField(max_length=255))
     total_flags = models.IntegerField(null=True)
-    created_by = models.ForeignKey(
-        "authentication.User", related_name="created_orgs", on_delete=models.CASCADE
-    )
     high_risk = models.BooleanField(default=False)
-    creation_date = models.DateTimeField(auto_now_add=True)
-    deletion_date = models.DateField(null=True)
 
     def __str__(self) -> str:
         return self.name
 
 
-class OrganizationApplicationStatus(models.Model):
-    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+class OrganizationApplicationStatus(BaseModelMixin):
     status_name = models.CharField(max_length=255)
 
     def __str__(self) -> str:
         return self.status_name
 
 
-class OrganizationApplication(models.Model):
-    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+class OrganizationApplication(ModelMixin):
     org_id = models.IntegerField(null=True)
     status = models.ForeignKey(
         "OrganizationApplicationStatus", on_delete=models.CASCADE
     )
     orgs_in_favor = ArrayField(models.IntegerField(null=True, blank=True), blank=True)
     orgs_against = ArrayField(models.IntegerField(null=True, blank=True), blank=True)
-    creation_date = models.DateTimeField(auto_now_add=True)
     status_updated = models.DateTimeField(auto_now=True)
 
     def __str__(self) -> str:
-        return str(self.creation_date)
+        return str(self.created_at)
 
 
-class OrganizationEvent(models.Model):
+class OrganizationEvent(BaseModelMixin):
     org_id = models.ForeignKey(Organization, on_delete=models.CASCADE)
     event_id = models.ForeignKey("events.Event", on_delete=models.CASCADE)
 
     def __str__(self) -> str:
         return str(self.id)
 
 
-class OrganizationMember(models.Model):
+class OrganizationMember(BaseModelMixin):
     org_id = models.ForeignKey(Organization, on_delete=models.CASCADE)
     user_id = models.ForeignKey("authentication.User", on_delete=models.CASCADE)
     is_owner = models.BooleanField(default=False)
@@ -91,31 +82,27 @@ def __str__(self) -> str:
         return str(self.id)
 
 
-class OrganizationResource(models.Model):
+class OrganizationResource(BaseModelMixin):
     org_id = models.ForeignKey(Organization, on_delete=models.CASCADE)
     resource_id = models.ForeignKey("content.Resource", on_delete=models.CASCADE)
 
     def __str__(self) -> str:
         return str(self.id)
 
 
-class Group(models.Model):
-    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+class Group(ModelMixin):
     org_id = models.ForeignKey(Organization, on_delete=models.CASCADE)
     name = models.CharField(max_length=255)
     tagline = models.CharField(max_length=255)
     description = models.TextField(max_length=500)
     social_accounts = ArrayField(models.CharField(max_length=255))
     total_flags = models.IntegerField(null=True)
-    created_by = models.ForeignKey("authentication.User", on_delete=models.CASCADE)
-    creation_date = models.DateTimeField(auto_now_add=True)
-    deletion_date = models.DateField(null=True)
 
     def __str__(self) -> str:
         return self.name
 
 
-class OrganizationTask(models.Model):
+class OrganizationTask(BaseModelMixin):
     org_id = models.ForeignKey(Organization, on_delete=models.CASCADE)
     task_id = models.ForeignKey("content.Task", on_delete=models.CASCADE)
     group_id = models.ForeignKey("Group", on_delete=models.CASCADE)
@@ -124,23 +111,23 @@ def __str__(self) -> str:
         return str(self.id)
 
 
-class OrganizationTopic(models.Model):
+class OrganizationTopic(BaseModelMixin):
     org_id = models.ForeignKey(Organization, on_delete=models.CASCADE)
     topic_id = models.ForeignKey("content.Topic", on_delete=models.CASCADE)
 
     def __str__(self) -> str:
         return str(self.id)
 
 
-class GroupEvent(models.Model):
+class GroupEvent(BaseModelMixin):
     group_id = models.ForeignKey(Group, on_delete=models.CASCADE)
     event_id = models.ForeignKey("events.Event", on_delete=models.CASCADE)
 
     def __str__(self) -> str:
         return str(self.id)
 
 
-class GroupMember(models.Model):
+class GroupMember(BaseModelMixin):
     group_id = models.ForeignKey(Group, on_delete=models.CASCADE)
     user_id = models.ForeignKey("authentication.User", on_delete=models.CASCADE)
     is_admin = models.BooleanField(default=False)
@@ -149,15 +136,15 @@ def __str__(self) -> str:
         return str(self.id)
 
 
-class GroupResource(models.Model):
+class GroupResource(BaseModelMixin):
     group_id = models.ForeignKey(Group, on_delete=models.CASCADE)
     resource_id = models.ForeignKey("content.Resource", on_delete=models.CASCADE)
 
     def __str__(self) -> str:
         return str(self.id)
 
 
-class GroupTopic(models.Model):
+class GroupTopic(BaseModelMixin):
     group_id = models.ForeignKey(Group, on_delete=models.CASCADE)
     topic_id = models.ForeignKey("content.Topic", on_delete=models.CASCADE)