Common reorg (#8025)

* Re-organize common folder

* fix: Correct paths in tests

* fix: move new content to proper folder

* chore: Move audio folder to assets

* Move sprites to sprites assets directory

* Move css sprites to assets directory

* Split out readmes for common code and sprites

* Move images to assets directory

* Move destinatin of shared browserified file

* remove unused file

* move compiled js to client-old

* Fix karma tests

* fix: Correct paths for sprites

website/common/script/ops/buyQuest.js

@@ -0,0 +1,51 @@
+import i18n from '../i18n';
+import content from '../content/index';
+import {
+  BadRequest,
+  NotAuthorized,
+  NotFound,
+} from '../libs/errors';
+import _ from 'lodash';
+
+// buy a quest with gold
+module.exports = function buyQuest (user, req = {}, analytics) {
+  let key = _.get(req, 'params.key');
+  if (!key) throw new BadRequest(i18n.t('missingKeyParam', req.language));
+
+  let item = content.quests[key];
+  if (!item) throw new NotFound(i18n.t('questNotFound', {key}, req.language));
+
+  if (!(item.category === 'gold' && item.goldValue)) {
+    throw new NotAuthorized(i18n.t('questNotGoldPurchasable', {key}, req.language));
+  }
+  if (user.stats.gp < item.goldValue) {
+    throw new NotAuthorized(i18n.t('messageNotEnoughGold', req.language));
+  }
+
+  user.items.quests[item.key] = user.items.quests[item.key] || 0;
+  user.items.quests[item.key]++;
+  user.stats.gp -= item.goldValue;
+
+  if (analytics) {
+    analytics.track('acquire item', {
+      uuid: user._id,
+      itemKey: item.key,
+      itemType: 'Market',
+      goldCost: item.goldValue,
+      acquireMethod: 'Gold',
+      category: 'behavior',
+      headers: req.headers,
+    });
+  }
+
+  if (req.v2 === true) {
+    return user.items.quests;
+  } else {
+    return [
+      user.items.quests,
+      i18n.t('messageBought', {
+        itemText: item.text(req.language),
+      }, req.language),
+    ];
+  }
+};