diff --git a/src/models.py b/src/models.py
index 0a70a81..f0297b6 100644
--- a/src/models.py
+++ b/src/models.py
@@ -1,5 +1,5 @@
 from pydantic import BaseModel
-from typing import Optional, List
+from typing import Optional, List, Dict, Any
 from motor.motor_asyncio import AsyncIOMotorClient
 from datetime import datetime, timedelta
 import os
@@ -7,6 +7,7 @@
 import logging
 import asyncio
 from dotenv import load_dotenv
+from datetime import datetime, timedelta
 load_dotenv()
 
 logger = logging.getLogger(__name__)
@@ -41,13 +42,13 @@ class GithubUser(BaseModel):
     location: Optional[str] = None
     company: Optional[str] = None
     twitter_username: Optional[str] = None
-    followers: int
-    following: int
-    public_repos: int
-    public_gists: int
-    access_token: str
-    created_at: str
-    updated_at: str
+    followers: Optional[int] = None
+    following: Optional[int] = None
+    public_repos: Optional[int] = None
+    public_gists: Optional[int] = None
+    access_token: Optional[int] = None
+    created_at: str = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+    updated_at: str = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
 
     async def save(self):
         try:
@@ -68,7 +69,15 @@ async def save(self):
         except Exception as e:
             logger.error(f"Failed to save user to DB: {str(e)}")
             raise ValueError("Failed to save user to DB")
-        
+
+async def append_user_to_db(username):
+    try:
+        user = GithubUser(username=username, name=username, email=username+"@gitmtach.in")
+        await user.save()
+
+    except Exception as e:
+        logger.error(f"Failed to save user to DB: {str(e)}")
+        raise ValueError("Failed to save user to DB")
 
 class RepositoryRecommendation(BaseModel):
     full_name: str
@@ -121,6 +130,20 @@ def append_recommendations_to_db(username, recommendations, recommendation_name)
         raise ValueError("Failed to save user recommendations to DB")
     
 
+async def get_user_previous_recommendations(username: str) -> list:
+    try:
+        # Example query; adjust as per your database schema
+        user_recommendations = await db.user_recommendations.find_one({"username": username})
+        if not user_recommendations:
+            return []
+
+        # Assuming the recommendations are stored in 'recommendation_refs'
+        return user_recommendations.get("recommendation_refs", [])
+    except Exception as e:
+        logger.error(f"Database query error: {str(e)}")
+        raise
+
+
 async def get_user_recommendation_by_id(recommendation_id):
     try:
         recommendations_collection = db['recommendations']
@@ -138,19 +161,49 @@ async def get_user_recommendation_by_id(recommendation_id):
         logger.error(f"Failed to get recommendation from DB: {str(e)}")
         raise ValueError("Failed to get recommendation from DB")
 
+def process_recommendations(urls: List[Dict[str, Any]],
+                            languages_topics) -> List[Dict[str, Any]]:
+    """
+    Process the list of URLs to ensure uniqueness and format them correctly.
+    
+    Args:
+        urls: List of URL recommendations.
+        
+    Returns:
+        Processed list of unique recommendations.
+    """
+    seen_full_names = set()
+    unique_recommendations = []
+
+    for rec in urls:
+        full_name = rec.get("full_name")
+        if full_name and full_name not in seen_full_names:
+            seen_full_names.add(full_name)
+            unique_recommendations.append(rec)
+
+    def match_score(rec):
+        # Calculate the score based on language and topic match
+        score = 0
+        rec_language = rec.get('language', '')
+        rec_topics = rec.get('topics', [])
+        
+        # Extract user languages and topics
+        user_languages = languages_topics.get("languages", [])
+        user_topics = languages_topics.get("topics", [])
 
-async def get_user_previous_recommendations(username: str) -> list:
-    try:
-        # Example query; adjust as per your database schema
-        user_recommendations = await db.user_recommendations.find_one({"username": username})
-        if not user_recommendations:
-            return []
+        # Add 2 to the score for a language match
+        if rec_language in user_languages:
+            score += 2
         
-        # Assuming the recommendations are stored in 'recommendation_refs'
-        return user_recommendations.get("recommendation_refs", [])
-    except Exception as e:
-        logger.error(f"Database query error: {str(e)}")
-        raise
+        # Add 1 to the score for each matching topic
+        score += sum(1 for topic in rec_topics if topic in user_topics)
+        
+        return score
+
+    # Sort the recommendations based on match score in descending order
+    unique_recommendations.sort(key=match_score, reverse=True)
+
+    return unique_recommendations
 
 
 # TODO: v2
@@ -209,4 +262,71 @@ async def main():
     print(recommendations)
 
 if __name__ == "__main__":
-    asyncio.run(main())
\ No newline at end of file
+    # asyncio.run(main())
+    # Example list of URL recommendations
+    urls = [
+        {
+            "full_name": "pandas-dev/pandas",
+            "language": "Python",
+            "topics": ["data-analysis", "data-science"]
+        },
+        {
+            "full_name": "tensorflow/tensorflow",
+            "language": "C++",
+            "topics": ["machine-learning", "deep-learning"]
+        },
+        {
+            "full_name": "vuejs/vue",
+            "language": "JavaScript",
+            "topics": ["vue", "front-end", "javascript", "framework"]
+        },
+        {
+            "full_name": "d3/d3",
+            "language": "JavaScript",
+            "topics": ["visualization", "d3", "data-visualization"]
+        },
+        {
+            "full_name": "django/django",
+            "language": "Python",
+            "topics": ["web", "framework", "django"]
+        },
+        {
+            "full_name": "numpy/numpy",
+            "language": "Python",
+            "topics": ["math", "array", "numpy"]
+        },
+        {
+            "full_name": "scikit-learn/scikit-learn",
+            "language": "Python",
+            "topics": ["machine-learning", "data-science", "scikit-learn"]
+        },
+        {
+            "full_name": "nodejs/node",
+            "language": "JavaScript",
+            "topics": ["nodejs", "javascript", "server"]
+        },
+        {
+            "full_name": "rails/rails",
+            "language": "Ruby",
+            "topics": ["rails", "web", "ruby"]
+        },
+        {
+            "full_name": "spring-projects/spring-framework",
+            "language": "Java",
+            "topics": ["spring", "framework", "java"]
+        }
+    ]
+
+    # User's preferred languages and topics
+    languages_topics = {
+        "languages": ["Python", "JavaScript"],
+        "topics": ["machine-learning", "data-science", "web", "visualization"]
+    }
+
+    # Process and sort the recommendations
+    sorted_recommendations = process_recommendations(urls, languages_topics)
+
+    # Display the sorted recommendations
+    for rec in sorted_recommendations:
+        print(f"Repo: {rec['full_name']}, Language: {rec['language']}, Topics: {rec['topics']}")
+        
\ No newline at end of file