Separated out buy functions into buyGear, buyArmoire, and buyPotion (#7065)

common/script/ops/buyGear.js

@@ -0,0 +1,72 @@
+import content from '../content/index';
+import i18n from '../i18n';
+import _ from 'lodash';
+import splitWhitespace from '../libs/splitWhitespace';
+import {
+  BadRequest,
+  NotAuthorized,
+  NotFound,
+} from '../libs/errors';
+import handleTwoHanded from '../fns/handleTwoHanded';
+import ultimateGear from '../fns/ultimateGear';
+
+module.exports = function buyGear (user, req = {}, analytics) {
+  let key = _.get(req, 'params.key');
+  if (!key) throw new BadRequest(i18n.t('missingKeyParam', req.language));
+
+  let item = content.gear.flat[key];
+
+  if (!item) throw new NotFound(i18n.t('itemNotFound', {key}, req.language));
+
+  if (user.stats.gp < item.value) {
+    throw new NotAuthorized(i18n.t('messageNotEnoughGold', req.language));
+  }
+
+  if (item.canOwn && !item.canOwn(user)) {
+    throw new NotAuthorized(i18n.t('cannotBuyItem', req.language));
+  }
+
+  let message;
+
+  if (user.items.gear.owned[item.key]) {
+    throw new NotAuthorized(i18n.t('equipmentAlreadyOwned', req.language));
+  }
+
+  if (user.preferences.autoEquip) {
+    user.items.gear.equipped[item.type] = item.key;
+    message = handleTwoHanded(user, item, undefined, req);
+  }
+
+  user.items.gear.owned[item.key] = true;
+
+  if (item.last) ultimateGear(user);
+
+  user.stats.gp -= item.value;
+
+  if (!message) {
+    message = i18n.t('messageBought', {
+      itemText: item.text(req.language),
+    }, req.language);
+  }
+
+  if (analytics) {
+    analytics.track('acquire item', {
+      uuid: user._id,
+      itemKey: key,
+      acquireMethod: 'Gold',
+      goldCost: item.value,
+      category: 'behavior',
+    });
+  }
+
+  let res = {
+    data: _.pick(user, splitWhitespace('items achievements stats flags')),
+    message,
+  };
+
+  if (req.v2 === true) {
+    return res.data;
+  } else {
+    return res;
+  }
+};