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/changeClass.js

@@ -0,0 +1,79 @@
+import i18n from '../i18n';
+import _ from 'lodash';
+import splitWhitespace from '../libs/splitWhitespace';
+import { capByLevel } from '../statHelpers';
+import {
+  NotAuthorized,
+} from '../libs/errors';
+
+module.exports = function changeClass (user, req = {}, analytics) {
+  let klass = _.get(req, 'query.class');
+
+  // user.flags.classSelected is set to false after the user paid the 3 gems
+  if (user.stats.lvl < 10) {
+    throw new NotAuthorized(i18n.t('lvl10ChangeClass', req.language));
+  } else if (!user.flags.classSelected && (klass === 'warrior' || klass === 'rogue' || klass === 'wizard' || klass === 'healer')) {
+    user.stats.class = klass;
+    user.flags.classSelected = true;
+
+    _.each(['weapon', 'armor', 'shield', 'head'], (type) => {
+      let foundKey = false;
+      _.findLast(user.items.gear.owned, (val, key) => {
+        if (key.indexOf(`${type}_${klass}`) !== -1 && val === true) {
+          foundKey = key;
+          return true;
+        }
+      });
+
+      if (!foundKey) {
+        if (type === 'weapon') {
+          foundKey = `weapon_${klass}_0`;
+        } else if (type === 'shield' && klass === 'rogue') {
+          foundKey = 'shield_rogue_0';
+        } else {
+          foundKey = `${type}_base_0`;
+        }
+      }
+
+      user.items.gear.equipped[type] = foundKey;
+
+      if (type === 'weapon' || (type === 'shield' && klass === 'rogue')) { // eslint-disable-line no-extra-parens
+        user.items.gear.owned[`${type}_${klass}_0`] = true;
+      }
+    });
+
+    if (analytics) {
+      analytics.track('change class', {
+        uuid: user._id,
+        class: klass,
+        acquireMethod: 'Gems',
+        gemCost: 3,
+        category: 'behavior',
+        headers: req.headers,
+      });
+    }
+  } else {
+    if (user.preferences.disableClasses) {
+      user.preferences.disableClasses = false;
+      user.preferences.autoAllocate = false;
+    } else {
+      if (user.balance < 0.75) throw new NotAuthorized(i18n.t('notEnoughGems', req.language));
+      user.balance -= 0.75;
+    }
+
+    user.stats.str = 0;
+    user.stats.con = 0;
+    user.stats.per = 0;
+    user.stats.int = 0;
+    user.stats.points = capByLevel(user.stats.lvl);
+    user.flags.classSelected = false;
+  }
+
+  if (req.v2 === true) {
+    return _.pick(user, splitWhitespace('stats flags items preferences'));
+  } else {
+    return [
+      _.pick(user, splitWhitespace('stats flags items preferences')),
+    ];
+  }
+};