GetID is a helper function that returns the id from the url.

HandleCreateTodo handles the POST request for creating new todos.

HandleDeleteTodo handles the DELETE request for deleting todos.

HandleGetTodo handles the GET request for fetching todos.

HandleGetTodoByID handles the GET request for getting all the todos.

HandleUpdateTodo handles the PATCH request for updating the todos.

NewAPIServer creates a new instance of APIServer.

WriteJSON is a Helper function to return JSON response to ui.

ApiError represents an error response in JSON format.

APIServer represents the API server structure.