World Boss 2018 (Server) (#9995)

* feat(world-boss): barebones API

* fix(world): use Express respond for better JSON

* fix(api): respond with code 200

* feat(content): canonical Dysheartener desc and Rage

* fix(world-boss): enable progress

* WIP(test): world state API

* WIP(test): refactor world boss setup

* WIP(test): better expectations

* fix(test): more expect polishing

* feat(event): server side World Boss

* fix(strings): accidental deletion

* fix(content): include encouragement after Rage

* refactor(world-boss): address comments

website/server/controllers/api-v3/world.js

@@ -0,0 +1,44 @@
+import {
+  model as Group,
+  TAVERN_ID as tavernId,
+} from '../../models/group';
+
+let api = {};
+
+async function getWorldBoss () {
+  let tavern = await Group
+    .findById(tavernId)
+    .select('quest.progress quest.key quest.active quest.extra')
+    .exec();
+  if (tavern && tavern.quest && tavern.quest.active) {
+    return tavern.quest;
+  }
+  return {};
+}
+
+/**
+ * @api {get} /api/v3/world-state Get the state for the game world
+ * @apiDescription Does not require authentication.
+ * @apiName WorldStateGet
+ * @apiGroup WorldState
+ *
+ * @apiSuccess {Object} data.worldBoss.active Boolean, true if world boss quest is underway
+ * @apiSuccess {Object} data.worldBoss.extra.worldDmg Object with NPC names as Boolean properties, true if they are affected by Rage Strike
+ * @apiSuccess {Object} data.worldBoss.key Quest content key for the world boss
+ * @apiSuccess {Object} data.worldBoss.progress.hp Current Health of the world boss
+ * @apiSuccess {Object} data.worldBoss.progress.rage Current Rage of the world boss
+ *
+ */
+api.getWorldState = {
+  method: 'GET',
+  url: '/world-state',
+  async handler (req, res) {
+    let worldState = {};
+
+    worldState.worldBoss = await getWorldBoss();
+
+    res.respond(200, worldState);
+  },
+};
+
+module.exports = api;