def delete(emp_id):
"""
This method is called when DELETE request is sent to url "/api/v1/employees/id"
deletes the employee entry with specified id from database.
:return: returns an empty response body and status code 204 if valid id
specified. If invalid id specified - returns error message and status code 404.
"""
employee = EmployeeServices.get_by_id(emp_id)
if not employee:
return {"message": f"Employee with id {emp_id} not found"}, 404
EmployeeServices.delete(employee)
return "", 204
def get(self, emp_id=None):
"""
This method is called when GET request is sent to
"/api/v1/employees/[<int:id>]" url.
:return: if "id" not specified the list of all employees in json format,
status code 200. If id specified - the employee with the specified id
serialized to json. If invalid id - error message and status code 404.
"""
if not emp_id:
employees = EmployeeServices.get_all()
return self.employee_schema.dump(employees, many=True), 200
employee = EmployeeServices.get_by_id(emp_id)
if not employee:
return {"message": f"Employee with id {emp_id} not found"}, 404
return self.employee_schema.dump(employee), 200
def put(self, emp_id):
"""
This method is called when PUT request is sent to url "/api/v1/employees/id"
with json data, updates the employee entry with specified id in database.
:return: if valid data provided returns the updated entry serialized
to json, status code 200, if invalid data - returns the error massage
in json format, status code 400. If invalid id specified - returns error
message and status code 404.
"""
employee = EmployeeServices.get_by_id(emp_id)
if not employee:
return {"message": f"Employee with id {emp_id} not found"}, 404
json_data = request.get_json(force=True)
try:
data = self.employee_schema.load(json_data)
except ValidationError as e:
return e.messages, 400
try:
employee = EmployeeServices.update(employee, data)
except IntegrityError:
return {"message": "Not valid department id"}, 400
return self.employee_schema.dump(employee), 200