git.cworth.org Git - lmno-server/blob - server.js

   1 const express = require("express");
   2 const cors = require("cors");
   3 const body_parser = require("body-parser");
   4
   5 const app = express();
   6 app.use(cors());
   7
   8 class Game {
   9   constructor() {
  10     this._players = [];
  11     this.next_player_id = 1;
  12   }
  13
  14   add_player(name, character) {
  15     this._players.push({id: this.next_player_id,
  16                        name: name,
  17                        character: character,
  18                        captures: [],
  19                       })
  20     this.next_player_id++;
  21   }
  22
  23   remove_player(id) {
  24     const index = this._players.findIndex(player => player.id === id);
  25     this._players.splice(index, 1);
  26   }
  27
  28   remove_all_players() {
  29     this._players = [];
  30     this.next_player_id = 1;
  31   }
  32
  33   capture(captor_id, captee_id) {
  34     /* TODO: Fix to fail on already-captured players (or to move the
  35      * captured player from an old captor to a new—need to clarify in
  36      * the API specification which we want here. */
  37     let captor = this._players.find(player => player.id === captor_id);
  38     captor.captures.push(captee_id);
  39   }
  40
  41   liberate(captee_id) {
  42     let captor = this._players.find(player => player.captures.includes(captee_id));
  43     captor.captures.splice(captor.captures.indexOf(captee_id), 1);
  44   }
  45
  46   restart() {
  47     for (const player of this._players) {
  48       player.captures = [];
  49     }
  50   }
  51
  52   get characters() {
  53     return this._players.map(player => player.character);
  54   }
  55
  56   get empires() {
  57     return this._players.map(player => ({id: player.id, captures: player.captures}));
  58   }
  59
  60   get players() {
  61     return this._players.map(player => ({id: player.id, name: player.name }));
  62   }
  63 }
  64
  65 const game = new Game();
  66
  67 app.use(body_parser.urlencoded({ extended: false }));
  68 app.use(body_parser.json());
  69
  70 app.get('/', (request, response) => {
  71   response.send('Hello World!');
  72 });
  73
  74 app.post('/register', (request, response) => {
  75   game.add_player(request.body.name, request.body.character);
  76   response.send();
  77 });
  78
  79 app.post('/deregister/:id', (request, response) => {
  80   game.remove_player(parseInt(request.params.id));
  81   response.send();
  82 });
  83
  84 app.post('/reset', (request, response) => {
  85   game.remove_all_players();
  86   response.send();
  87 });
  88
  89 app.post('/capture/:captor/:captee', (request, response) => {
  90   game.capture(parseInt(request.params.captor), parseInt(request.params.captee));
  91   response.send();
  92 });
  93
  94 app.post('/liberate/:id', (request, response) => {
  95   game.liberate(parseInt(request.params.id));
  96   response.send();
  97 });
  98
  99 app.post('/restart', (request, response) => {
 100   game.restart(parseInt(request.params.id));
 101     response.send();
 102 });
 103
 104 app.get('/characters', (request, response) => {
 105   response.send(game.characters);
 106 });
 107
 108 app.get('/empires', (request, response) => {
 109   response.send(game.empires);
 110 });
 111
 112 app.get('/players', (request, response) => {
 113   response.send(game.players);
 114 });
 115
 116 app.listen(3000, function () {
 117   console.log('Example app listening on port 3000!');
 118 });