Return null if there is no active IEP instead of throwing

Author: amantri

src/backend/routers/student.test.ts

@@ -100,7 +100,7 @@ test("getActiveStudentIep - return only one iep object", async (t) => {
   });
 
   t.deepEqual(typeof studentWithIep, "object");
-  t.is(studentWithIep.student_id, seed.student.student_id);
-  t.deepEqual(studentWithIep.start_date, addedIep.start_date);
-  t.deepEqual(studentWithIep.end_date, addedIep.end_date);
+  t.is(studentWithIep?.student_id, seed.student.student_id);
+  t.deepEqual(studentWithIep?.start_date, addedIep.start_date);
+  t.deepEqual(studentWithIep?.end_date, addedIep.end_date);
 });

src/backend/routers/student.ts

@@ -106,9 +106,9 @@ export const student = router({
         .selectFrom("iep")
         .where("student_id", "=", student_id)
         .selectAll()
-        .executeTakeFirstOrThrow();
+        .executeTakeFirst();
 
-      return result;
+      return result ?? null;
     }),
 
   //for future CM's to not have access to a former CM's IEP data, we need a property on the IEP's for the case manager ID and only retrieve database data that matches the current CM's ID.