+
+ 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;
+ }