New interface design and some small changes.

dj_backend_server/dj_backend_server/settings.py

@@ -85,6 +85,7 @@
                 'django.template.context_processors.request',
                 'django.contrib.auth.context_processors.auth',
                 'django.contrib.messages.context_processors.messages',
+                'web.utils.context_processors.app_url',
             ],
             'libraries':{
                 'time_difference': 'web.template_filters.time_difference'

dj_backend_server/web/interfaces/dashboard.py

@@ -0,0 +1,22 @@
+from django.db.models import Count
+from django.db.models.functions import TruncDay
+from web.models.chat_histories import ChatHistory
+
+
+def get_discussion_counts():
+    # Aggregate discussion counts per day grouped by session_id
+    discussion_counts = (
+        ChatHistory.objects
+        .values('session_id')
+        .annotate(created_date=TruncDay('created_at'))
+        .values('created_date')
+        .annotate(discussion_count=Count('id'))
+        .order_by('created_date')
+    )
+    formatted_counts = [
+        {'year': count['created_date'].strftime('%b %d'), 'value': count['discussion_count']}
+        for count in discussion_counts
+    ]
+    return formatted_counts
+
+