feat(brain): add endpoint to return context to question (#1044)

backend/models/databases/supabase/brains.py

@@ -43,6 +43,10 @@ class BrainUpdatableProperties(BaseModel):
         return brain_dict
 
 
+class BrainQuestionRequest(BaseModel):
+    question: str
+
+
 class Brain(Repository):
     def __init__(self, supabase_client):
         self.db = supabase_client

backend/repository/brain/__init__.py

@@ -10,3 +10,4 @@ from .update_user_rights import update_brain_user_rights
 from .get_default_user_brain import get_user_default_brain
 from .set_as_default_brain_for_user import set_as_default_brain_for_user
 from .get_default_user_brain_or_create_new import get_default_user_brain_or_create_new
+from .get_question_context_from_brain import get_question_context_from_brain

backend/repository/brain/get_question_context_from_brain.py

@@ -0,0 +1,20 @@
+from uuid import UUID
+
+from models.settings import get_embeddings, get_supabase_client
+from vectorstore.supabase import CustomSupabaseVectorStore
+
+
+def get_question_context_from_brain(brain_id: UUID, question: str) -> str:
+    supabase_client = get_supabase_client()
+    embeddings = get_embeddings()
+
+    vector_store = CustomSupabaseVectorStore(
+        supabase_client,
+        embeddings,
+        table_name="vectors",
+        brain_id=brain_id,
+    )
+    documents = vector_store.similarity_search(question)
+
+    # aggregate all the documents into one string
+    return "\n".join([doc.page_content for doc in documents])

backend/routes/brain_routes.py

@@ -4,20 +4,16 @@ from auth import AuthBearer, get_current_user
 from fastapi import APIRouter, Depends, HTTPException
 from logger import get_logger
 from models import BrainRateLimiting, UserIdentity
-from models.databases.supabase.brains import (
+from models.databases.supabase.brains import (BrainQuestionRequest,
                                               BrainUpdatableProperties,
-    CreateBrainProperties,
-)
-from repository.brain import (
-    create_brain,
-    create_brain_user,
+                                              CreateBrainProperties)
+from repository.brain import (create_brain, create_brain_user,
                               get_brain_details,
                               get_default_user_brain_or_create_new,
-    get_user_brains,
+                              get_question_context_from_brain, get_user_brains,
                               get_user_default_brain,
                               set_as_default_brain_for_user,
-    update_brain_by_id,
-)
+                              update_brain_by_id)
 from repository.prompt import delete_prompt_by_id, get_prompt_by_id
 from routes.authorizations.brain_authorization import has_brain_authorization
 from routes.authorizations.types import RoleEnum
@@ -207,3 +203,26 @@ async def set_as_default_brain_endpoint(
     set_as_default_brain_for_user(user.id, brain_id)
 
     return {"message": f"Brain {brain_id} has been set as default brain."}
+
+
+@brain_router.post(
+    "/brains/{brain_id}/question_context",
+    dependencies=[
+        Depends(
+            AuthBearer(),
+        ),
+        Depends(has_brain_authorization()),
+    ],
+    tags=["Brain"],
+)
+async def get_question_context_from_brain_endpoint(
+    brain_id: UUID,
+    request: BrainQuestionRequest,
+):
+    """
+    Get question context from brain
+    """
+
+    context = get_question_context_from_brain(brain_id, request.question)
+
+    return {"context": context}