feat: custom exceptions instead of direct fastapi.httpexceptions

Resolves #2

src/auth/dependencies.py

@@ -10,18 +10,19 @@ Functions:
  - Functions: Description
 """
 from typing import Annotated, Any
-from fastapi import Depends, HTTPException
+from fastapi import Depends
 
 from src.user.dependencies import user_model_claims_dependency
-
 from src.organisation.dependencies import org_model_query_dependency
 
+from src.auth.exceptions import UnauthorizedException
+
 
 async def org_query_user_claims(org_model: org_model_query_dependency, user_model: user_model_claims_dependency):
 	if user_model in org_model.user_rel:
 		return True
 
-	raise HTTPException(status_code=401, detail="Not authorised")
+	raise UnauthorizedException()
 
 
 org_query_user_claims_dependency = Annotated[dict[str, Any], Depends(org_query_user_claims)]
@@ -31,7 +32,7 @@ async def org_query_root_claims(user_model: user_model_claims_dependency, org_mo
 	if org_model.root_user_id == user_model.id:
 		return True
 
-	raise HTTPException(status_code=401, detail="Not authorised")
+	raise UnauthorizedException()
 
 
 org_query_root_claims_dependency = Annotated[dict[str, Any], Depends(org_query_root_claims)]
@@ -40,8 +41,7 @@ org_query_root_claims_dependency = Annotated[dict[str, Any], Depends(org_query_r
 async def is_super_admin(user_model: user_model_claims_dependency):
 	super_admin_emails = []
 	if user_model.email not in super_admin_emails:
-		raise HTTPException(status_code=401, detail="Not authorised")
-
+		raise UnauthorizedException()
 	return True