Implement POST /departments

[gayanW]

Prerequisite
You should complete issue #8, before you could start working on this one.

A department resource should follow the following request/response schema.

POST /departments

Request schema

{
    "name”: “Computer Science”,
    "faculty_id”: “{faculty_id}
}

Response schemas
Status 201:

{
    "self": "http://localhost:8090/api/departments/{user_id}",
    "name": "Computer Science",
    "faculty": {
        "self": "http://localhost:8090/api/faculties/{faculty_id}”,
        "name": "{faculty_name}"
     }
}

Status 409: If a department with that name already exists.

Status 400: Return if a faculty with the given faculty_id does not exist.

Note

• Placeholders { } here do imply actual values.