Difference between revisions of "W3911 Sudoku Server"
From Coder Merlin
Line 90: | Line 90: | ||
|initialCode=import Foundation | |initialCode=import Foundation | ||
let json = | |||
#""" | |||
{"board":[ | |||
{"cells":[{"value":0},{"value":1},{"value":2},{"value":3},{"value":4},{"value":5},{"value":6},{"value":7},{"value":8}]}, | |||
{"cells":[{"value":0},{"value":1},{"value":2},{"value":3},{"value":4},{"value":5},{"value":6},{"value":7},{"value":8}]}, | |||
{"cells":[{"value":0},{"value":1},{"value":2},{"value":3},{"value":4},{"value":5},{"value":6},{"value":7},{"value":8}]}, | |||
{"cells":[{"value":0},{"value":1},{"value":2},{"value":3},{"value":4},{"value":5},{"value":6},{"value":7},{"value":8}]}, | |||
{"cells":[{"value":0},{"value":1},{"value":2},{"value":3},{"value":4},{"value":5},{"value":6},{"value":7},{"value":8}]}, | |||
{"cells":[{"value":0},{"value":1},{"value":2},{"value":3},{"value":4},{"value":5},{"value":6},{"value":7},{"value":8}]}, | |||
{"cells":[{"value":0},{"value":1},{"value":2},{"value":3},{"value":4},{"value":5},{"value":6},{"value":7},{"value":8}]}, | |||
{"cells":[{"value":0},{"value":1},{"value":2},{"value":3},{"value":4},{"value":5},{"value":6},{"value":7},{"value":8}]}, | |||
{"cells":[{"value":0},{"value":1},{"value":2},{"value":3},{"value":4},{"value":5},{"value":6},{"value":7},{"value":8}]} | |||
]} | |||
"""# | |||
let decoder = JSONDecoder() | |||
guard let data = json.data(using: .utf8), | |||
let board: Board = try? decoder.decode(Board.self, from: data) else { | |||
fatalError("Failed to decode json into board.") | |||
} | |||
dump(board) | |||
// Structure definitions | |||
struct Cell: Codable { | struct Cell: Codable { | ||
let value: Int? | let value: Int? | ||
} | |||
struct Box: Codable { | |||
let cells: [Cell] | |||
init() { | |||
var cells = [Cell]() | |||
for cellIndex in 0 ..< 9 { | |||
cells.append(Cell(value: cellIndex)) | |||
} | |||
self.cells = cells | |||
} | |||
} | } | ||
let | struct Board: Codable { | ||
let board: [Box] | |||
init() { | |||
var board = [Box]() | |||
for _ in 0 ..< 9 { | |||
board.append(Box()) | |||
} | |||
self.board = board | |||
} | |||
} | } | ||
}} | }} | ||
=== Issue Request from Client to Server === | === Issue Request from Client to Server === |
Revision as of 08:36, 7 October 2021
Within these castle walls be forged Mavens of Computer Science ...
— Merlin, The Coder
Background A Sudoku board is made up of nine boxes. Boxes (container for nine cells) are listed from top-to-bottom, left-to-right indexed from zero. Cells are listed from top-to-bottom, left-to-right, indexed from zero. All valid payloads and responses must use well-formed JSON. “cells” is returned as follows: “cells”: [[<nine values from top-left>], [<nine values from top-middle>], …]
End Points
POST /games?difficulty=<difficulty>
Creates a new game and associated board
Parameters:
difficulty: easy | medium | hard | hell
Body: none
Status code: 201 Created
Response: ID (integer) of newly created game {"id":<id>}
{"id": 728134}
Errors:
{{{errors}}}
GET /games/<id>/cells
Returns the current cells for the specified game
Parameters: none
Body: none
Status code: 200 OK
Response: Cells {"id":<id>}
{"id": 728134}
Errors:
{{{errors}}}
PUT /games/<id>/cells/<boxIndex>/<cellIndex>
Place specified value at in game at boxIndex, cellIndex
Parameters: none
Body: value (null for removing value)
Status code: 200 OK
Response: none
none
Errors:
{{{errors}}}
JSON Encoding[edit]
JSON Decoding[edit]
Issue Request from Client to Server[edit]