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

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