completed backend intern tasks

backend/backend/settings.py

@@ -47,6 +47,12 @@
     "authentication",
     "chat",
     "gpt",
+    "django_crontab",
+]
+
+
+CRONJOBS = [
+    ('0 0 * * *', 'django.core.management.call_command', ['cleanup_old_conversations']),
 ]
 
 MIDDLEWARE = [
@@ -85,10 +91,19 @@
 # https://docs.djangoproject.com/en/4.2/ref/settings/#databases
 
 DATABASES = {
-    "default": {
-        "ENGINE": "django.db.backends.sqlite3",
-        "NAME": BASE_DIR / "db.sqlite3",
+    # "default": {
+    #     "ENGINE": "django.db.backends.sqlite3",
+    #     "NAME": BASE_DIR / "db.sqlite3",
+    # }
+ 'default': {
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': 'mydb',         # my db name
+        'USER': 'myuser',       # database user
+        'PASSWORD': 'mypassword', # database password
+        'HOST': 'localhost',
+        'PORT': '5432',
     }
+
 }
 
 # Password validation

backend/chat/admin.py

@@ -51,10 +51,10 @@ def queryset(self, request, queryset):
 class ConversationAdmin(NestedModelAdmin):
     actions = ["undelete_selected", "soft_delete_selected"]
     inlines = [VersionInline]
-    list_display = ("title", "id", "created_at", "modified_at", "deleted_at", "version_count", "is_deleted", "user")
+    list_display = ("title", "id", "summary","created_at", "modified_at", "deleted_at", "version_count", "is_deleted", "user")  # added "summary"
     list_filter = (DeletedListFilter,)
     ordering = ("-modified_at",)
-
+    
     def undelete_selected(self, request, queryset):
         queryset.update(deleted_at=None)
 

backend/chat/apps.py

@@ -4,3 +4,6 @@
 class ChatConfig(AppConfig):
     default_auto_field = "django.db.models.BigAutoField"
     name = "chat"
+
+    def ready(self):
+        import chat.signals

backend/chat/management/commands/cleanup_old_conversations.py

@@ -0,0 +1,14 @@
+from django.core.management.base import BaseCommand
+from django.utils import timezone
+from chat.models import Conversation
+from datetime import timedelta
+
+class Command(BaseCommand):
+    help = "Deletes conversations older than 30 days"
+
+    def handle(self, *args, **kwargs):
+        cutoff_date = timezone.now() - timedelta(days=30)
+        old_conversations = Conversation.objects.filter(created_at__lt=cutoff_date)
+        count = old_conversations.count()
+        old_conversations.delete()
+        self.stdout.write(self.style.SUCCESS(f"Deleted {count} old conversations."))

backend/chat/migrations/0002_conversation_summary.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.0.2 on 2025-10-07 15:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("chat", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="conversation",
+            name="summary",
+            field=models.TextField(blank=True, null=True),
+        ),
+    ]

backend/chat/models.py

@@ -15,6 +15,7 @@ def __str__(self):
 class Conversation(models.Model):
     id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     title = models.CharField(max_length=100, blank=False, null=False, default="Mock title")
+    summary = models.TextField(blank=True, null=True)  #  Added field
     created_at = models.DateTimeField(auto_now_add=True)
     modified_at = models.DateTimeField(auto_now=True)
     active_version = models.ForeignKey(

backend/chat/signals.py

@@ -0,0 +1,23 @@
+from django.db.models.signals import post_save
+from django.dispatch import receiver
+from .models import Conversation
+
+
+
+@receiver(post_save, sender=Conversation)
+def generate_summary(sender, instance, created, **kwargs):
+    if created and not instance.summary:
+        # Generate a simple summary using the title or other fields
+        summary_text = f"This conversation '{instance.title}' was created by user {instance.user.id}."
+        instance.summary = summary_text
+        instance.save()
+
+
+
+# @receiver(pre_save, sender=Conversation)
+# def generate_summary(sender, instance, **kwargs):
+#     if not instance.summary:
+#         print("instance summary 1111")
+#         instance.summary = f"This conversation '{instance.title}' was created by user {instance.user.id}."
+#     else:
+#         print("instance summary 1111")

backend/db.json

@@ -0,0 +1 @@
+[{"model": "auth.permission", "pk": 1, "fields": {"name": "Can add log entry", "content_type": 1, "codename": "add_logentry"}}, {"model": "auth.permission", "pk": 2, "fields": {"name": "Can change log entry", "content_type": 1, "codename": "change_logentry"}}, {"model": "auth.permission", "pk": 3, "fields": {"name": "Can delete log entry", "content_type": 1, "codename": "delete_logentry"}}, {"model": "auth.permission", "pk": 4, "fields": {"name": "Can view log entry", "content_type": 1, "codename": "view_logentry"}}, {"model": "auth.permission", "pk": 5, "fields": {"name": "Can add permission", "content_type": 2, "codename": "add_permission"}}, {"model": "auth.permission", "pk": 6, "fields": {"name": "Can change permission", "content_type": 2, "codename": "change_permission"}}, {"model": "auth.permission", "pk": 7, "fields": {"name": "Can delete permission", "content_type": 2, "codename": "delete_permission"}}, {"model": "auth.permission", "pk": 8, "fields": {"name": "Can view permission", "content_type": 2, "codename": "view_permission"}}, {"model": "auth.permission", "pk": 9, "fields": {"name": "Can add group", "content_type": 3, "codename": "add_group"}}, {"model": "auth.permission", "pk": 10, "fields": {"name": "Can change group", "content_type": 3, "codename": "change_group"}}, {"model": "auth.permission", "pk": 11, "fields": {"name": "Can delete group", "content_type": 3, "codename": "delete_group"}}, {"model": "auth.permission", "pk": 12, "fields": {"name": "Can view group", "content_type": 3, "codename": "view_group"}}, {"model": "auth.permission", "pk": 13, "fields": {"name": "Can add content type", "content_type": 4, "codename": "add_contenttype"}}, {"model": "auth.permission", "pk": 14, "fields": {"name": "Can change content type", "content_type": 4, "codename": "change_contenttype"}}, {"model": "auth.permission", "pk": 15, "fields": {"name": "Can delete content type", "content_type": 4, "codename": "delete_contenttype"}}, {"model": "auth.permission", "pk": 16, "fields": {"name": "Can view content type", "content_type": 4, "codename": "view_contenttype"}}, {"model": "auth.permission", "pk": 17, "fields": {"name": "Can add session", "content_type": 5, "codename": "add_session"}}, {"model": "auth.permission", "pk": 18, "fields": {"name": "Can change session", "content_type": 5, "codename": "change_session"}}, {"model": "auth.permission", "pk": 19, "fields": {"name": "Can delete session", "content_type": 5, "codename": "delete_session"}}, {"model": "auth.permission", "pk": 20, "fields": {"name": "Can view session", "content_type": 5, "codename": "view_session"}}, {"model": "auth.permission", "pk": 21, "fields": {"name": "Can add custom user", "content_type": 6, "codename": "add_customuser"}}, {"model": "auth.permission", "pk": 22, "fields": {"name": "Can change custom user", "content_type": 6, "codename": "change_customuser"}}, {"model": "auth.permission", "pk": 23, "fields": {"name": "Can delete custom user", "content_type": 6, "codename": "delete_customuser"}}, {"model": "auth.permission", "pk": 24, "fields": {"name": "Can view custom user", "content_type": 6, "codename": "view_customuser"}}, {"model": "auth.permission", "pk": 25, "fields": {"name": "Can add conversation", "content_type": 7, "codename": "add_conversation"}}, {"model": "auth.permission", "pk": 26, "fields": {"name": "Can change conversation", "content_type": 7, "codename": "change_conversation"}}, {"model": "auth.permission", "pk": 27, "fields": {"name": "Can delete conversation", "content_type": 7, "codename": "delete_conversation"}}, {"model": "auth.permission", "pk": 28, "fields": {"name": "Can view conversation", "content_type": 7, "codename": "view_conversation"}}, {"model": "auth.permission", "pk": 29, "fields": {"name": "Can add message", "content_type": 8, "codename": "add_message"}}, {"model": "auth.permission", "pk": 30, "fields": {"name": "Can change message", "content_type": 8, "codename": "change_message"}}, {"model": "auth.permission", "pk": 31, "fields": {"name": "Can delete message", "content_type": 8, "codename": "delete_message"}}, {"model": "auth.permission", "pk": 32, "fields": {"name": "Can view message", "content_type": 8, "codename": "view_message"}}, {"model": "auth.permission", "pk": 33, "fields": {"name": "Can add role", "content_type": 9, "codename": "add_role"}}, {"model": "auth.permission", "pk": 34, "fields": {"name": "Can change role", "content_type": 9, "codename": "change_role"}}, {"model": "auth.permission", "pk": 35, "fields": {"name": "Can delete role", "content_type": 9, "codename": "delete_role"}}, {"model": "auth.permission", "pk": 36, "fields": {"name": "Can view role", "content_type": 9, "codename": "view_role"}}, {"model": "auth.permission", "pk": 37, "fields": {"name": "Can add version", "content_type": 10, "codename": "add_version"}}, {"model": "auth.permission", "pk": 38, "fields": {"name": "Can change version", "content_type": 10, "codename": "change_version"}}, {"model": "auth.permission", "pk": 39, "fields": {"name": "Can delete version", "content_type": 10, "codename": "delete_version"}}, {"model": "auth.permission", "pk": 40, "fields": {"name": "Can view version", "content_type": 10, "codename": "view_version"}}, {"model": "contenttypes.contenttype", "pk": 1, "fields": {"app_label": "admin", "model": "logentry"}}, {"model": "contenttypes.contenttype", "pk": 2, "fields": {"app_label": "auth", "model": "permission"}}, {"model": "contenttypes.contenttype", "pk": 3, "fields": {"app_label": "auth", "model": "group"}}, {"model": "contenttypes.contenttype", "pk": 4, "fields": {"app_label": "contenttypes", "model": "contenttype"}}, {"model": "contenttypes.contenttype", "pk": 5, "fields": {"app_label": "sessions", "model": "session"}}, {"model": "contenttypes.contenttype", "pk": 6, "fields": {"app_label": "authentication", "model": "customuser"}}, {"model": "contenttypes.contenttype", "pk": 7, "fields": {"app_label": "chat", "model": "conversation"}}, {"model": "contenttypes.contenttype", "pk": 8, "fields": {"app_label": "chat", "model": "message"}}, {"model": "contenttypes.contenttype", "pk": 9, "fields": {"app_label": "chat", "model": "role"}}, {"model": "contenttypes.contenttype", "pk": 10, "fields": {"app_label": "chat", "model": "version"}}]