class Empathy extends Game {
constructor(id) {
super(id);
+ this.state = {
+ prompts: [],
+ active_prompt: null
+ };
+ this.next_prompt_id = 1;
+ }
+
+ add_prompt(items, prompt_string) {
+ const prompt = new Prompt(this.next_prompt_id, items, prompt_string);
+ this.next_prompt_id++;
+
+ this.state.prompts.push(prompt);
+
+ this.broadcast_event_object('prompt', prompt);
+
+ return prompt;
+ }
+
+ /* Returns true if vote toggled, false for player or prompt not found */
+ toggle_vote(prompt_id, session_id) {
+ const player = this.players_by_session[session_id];
+
+ const prompt = this.state.prompts.find(p => p.id === prompt_id);
+ if (! prompt || ! player)
+ return false;
+
+ prompt.toggle_vote(player.name);
+
+ this.broadcast_event_object('prompt', prompt);
+
+ return true;
+ }
+
+ /* Returns true on success, false for prompt not found. */
+ start(prompt_id) {
+ const prompt = this.state.prompts.find(p => p.id === prompt_id);
+ if (! prompt)
+ return false;
+
+ /* Ignore any start request that comes in while a prompt is
+ * already being played. */
+ if (this.state.active_prompt)
+ return false;
+
+ this.state.active_prompt = prompt;
+
+ this.broadcast_event_object('start', prompt);
+
+ return true;
}
}
Empathy.router = express.Router();
+const router = Empathy.router;
+
+class Prompt {
+ constructor(id, items, prompt) {
+ this.id = id;
+ this.items = items;
+ this.prompt = prompt;
+ this.votes = [];
+ }
+
+ toggle_vote(player_name) {
+ if (this.votes.find(v => v === player_name))
+ this.votes = this.votes.filter(v => v !== player_name);
+ else
+ this.votes.push(player_name);
+ }
+}
+
+router.post('/prompts', (request, response) => {
+ const game = request.game;
+
+ game.add_prompt(request.body.items, request.body.prompt);
+});
+
+router.post('/vote/:prompt_id([0-9]+)', (request, response) => {
+ const game = request.game;
+ const prompt_id = parseInt(request.params.prompt_id, 10);
+
+ if (game.toggle_vote(prompt_id, request.session.id))
+ response.sendStatus(200);
+ else
+ response.sendStatus(404);
+});
+
+router.post('/start/:prompt_id([[0-9]+)', (request, response) => {
+ const game = request.game;
+ const prompt_id = parseInt(request.params.prompt_id, 10);
+
+ if (game.start(prompt_id))
+ response.sendStatus(200);
+ else
+ response.sendStatus(404);
+});
Empathy.meta = {
name: "Empathy",