location controller updated with heading and created new models and controllers for remaining modules

models/Assignment/operations.js

@@ -10,11 +10,16 @@ export const getAssignmentById = async (id) => {
   return await Model.findById(id);
 };
 
-// Read (Get by Query)
+// Read (Get One by Query)
 export const getAssignmentByQuery = async (query) => {
   return await Model.findOne(query);
 }
 
+// Read (Get All by Query)
+export const getAssignmentsByQuery = async (query) => {
+  return await Model.find(query);
+};
+
 // Read (Get all)
 export const getAllAssignments = async () => {
   return await Model.find();