Swift Functional Programming - Second Edition

Posting a new Todo item

The first step will be to develop a post method to create a Todo item as follows:

/// Post a todo item drop.post("postTodo") { request in     guard let id = request.headers["id"]?.int,         let name = request.headers["name"],         let description = request.headers["description"],         let notes = request.headers["notes"],         let completed = request.headers["completed"],         let synced = request.headers["synced"]         else {             return try JSON(node: ["message": "Please include mandatory                 parameters"])     }     let todoItem = Todo(todoId: id,                        name: name,                        description: description,                        notes: notes,                        completed: completed.toBool()!,                        synced: synced.toBool()!)     let todos = TodoStore.sharedInstance     todos.addOrUpdateItem(item: todoItem)  let json: [Todo] = ...