Changed sql result and exception to HTTP

Author: ConlynPattison

src/slack/student_info/service.py

@@ -1,22 +1,10 @@
+from fastapi import HTTPException
 from sqlalchemy import select
 from sqlalchemy.orm import Session
 
 from src.database.postgres.models import Student, StudentEmail
 
 def fetch_student_info(db: Session, user_email: str):
-    """
-    first_name Student.fname
-    last_name Student.lname
-    preferred_name Student.pname
-    primary_email StudentEmail          !!
-    institution Student.institution
-    target_year Student.target_year
-    join_date Student.join_date
-    gender Student.gender
-    ethnicity Student.ethnicities_agg   ??
-    birthday Student.birthday
-    first_generation Student.first_gen
-    """
 
     select_stmt = select(
         Student.cti_id,
@@ -32,12 +20,9 @@ def fetch_student_info(db: Session, user_email: str):
         Student.first_gen,
         StudentEmail.email).join(StudentEmail).where(StudentEmail.email == user_email)   
 
-    results = db.execute(select_stmt).all()
+    result = db.execute(select_stmt).first()
 
-    if len(results) == 0:
-        raise ValueError("No student records found")
+    if result is None:
+        raise HTTPException(status_code=404, detail=f"No student records found for email {user_email}")
 
-    if len(results) > 1:
-        raise ValueError("Multiple student records found")
-    
-    return results[0]._asdict()
+    return result._asdict()