added contacts and addresses manager

backend/app/routers/contact.py

@@ -1,12 +1,13 @@
 from fastapi import APIRouter, HTTPException, status, Depends
 from sqlalchemy.orm import Session
 from typing import List
-from app.schemas import ContactPerson, ContactPersonCreate
+from app.schemas import ContactPerson, ContactPersonCreate, ContactPersonUpdate
 from app.models import ContactPerson as ContactPersonModel
 from app.dependencies import get_db
 
 router = APIRouter()
 
+# Existing routes
 @router.get("/", response_model=List[ContactPerson])
 async def get_contacts(db: Session = Depends(get_db)):
     return db.query(ContactPersonModel).all()
@@ -28,4 +29,31 @@ async def create_contact(contact: ContactPersonCreate, db: Session = Depends(get
     db.add(db_contact)
     db.commit()
     db.refresh(db_contact)
-    return db_contact
+    return db_contact
+
+# New routes
+@router.put("/{contact_id}", response_model=ContactPerson)
+async def update_contact(contact_id: int, contact: ContactPersonUpdate, db: Session = Depends(get_db)):
+    db_contact = db.query(ContactPersonModel).filter(ContactPersonModel.id == contact_id).first()
+    if not db_contact:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="Contact not found."
+        )
+    for key, value in contact.dict(exclude_unset=True).items():
+        setattr(db_contact, key, value)
+    db.commit()
+    db.refresh(db_contact)
+    return db_contact
+
+@router.delete("/{contact_id}", status_code=status.HTTP_204_NO_CONTENT)
+async def delete_contact(contact_id: int, db: Session = Depends(get_db)):
+    db_contact = db.query(ContactPersonModel).filter(ContactPersonModel.id == contact_id).first()
+    if not db_contact:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="Contact not found."
+        )
+    db.delete(db_contact)
+    db.commit()
+    return