ApiNextDate function for the api.NextDate handle.

CorrectTask function that CorrectTask in the database.

DeleteTask function to delete a task by the given Query id.

DoneTask function to delete and update a task in the database by a given ID if it has been executed.

GetTask function returns a task from the database by the specified ID in the Query.

GetTasks function to get the nearest tasks.

PostTask.

Constants for defining the database search criterion.

Constants for defining the database search criterion.

Constants for defining the database search criterion.

a structure for receiving tasks from the frontend and sending them back to the frontend.

Structure for returning a JSON-formatted response when adding a task.

to implement polymorphism, we describe the interface of our database, so that we can use methods to work with the database.