Onboarding guide and initial achievements refactoring (#11536)

* add achievements to user

* add placeholder strings

* add to achievements to common script

* add onboarding achievements category

* add notifications

* more notifications

* award achievements

* wip notification panel

* add achievements icons and copy

* do not count onboarding tasks for the created task achievement

* add notes

* sprites, fixes and completion status and reward

* add onboarding panel

* add toggle

* fix toggle size

* fix tests

* fix typo

* add notification

* start adding modal

* fix remove button positionin, timeout, progress bar

* modal + fixes

* disable broken social links from level up modal

* change toggle icon color on hover

* add border bottom to onboarding guide panel

* add collapse animation

* expanded onboarding on first open

* onboarding: flip toggle colors

* onboarding: show progress bar all the time

* onboarding: fix panel closing on click

* onboarding modal: add close icon and fix padding

* wip: add migration for existing users

* fix titles in guide

* fix achievements copy

* do not award completed task achievement when direction is down

* start implementing new achievements

* start migrating client

* remove social links from achievements modals

* prevent skipping tutorial + fix achievement notification

* sync fixes

* start redesign achievement modal

* misc fixes to achievements, polish generic achievement modal and hatched pet modal

* add special badge for onboarding

* fix badge condition

* modals fixes

* hatched pet modal: add close icon

* fix badge typo

* fix justin button

* new scrolling behavior for dropdowns

* fix strings capitalization

* add common tests

* add api unit tests

* add date check

* achievements modal polishing

* typos

* add toggle for achievements categories

* typo

* fix test

* fix edit avatar modal cannot be closed

* finish migration and correct launch date

* fix migration

* migration fixes

* fix tests

website/server/models/user/methods.js

@@ -231,6 +231,59 @@ schema.statics.pushNotification = async function pushNotification (
   ).exec();
 };
 
+/**
+ * Adds an achievement and a related notification to the user.
+ *
+ * @param  achievement The key identifying the achievement to award.
+ */
+schema.methods.addAchievement = function addAchievement (achievement) {
+  const achievementData = common.content.achievements[achievement];
+  if (!achievementData) throw new Error(`Achievement ${achievement} does not exist.`);
+
+  this.achievements[achievement] = true;
+
+  this.notifications.push({
+    type: 'ACHIEVEMENT',
+    data: {
+      achievement,
+    },
+    seen: false,
+  });
+};
+
+
+/**
+ * Adds an achievement and a related notification to the user, saving it directly to the database
+ * To be used when the user object is not loaded or we don't want to use `user.save`
+ *
+ * @param  query A Mongoose query defining the users to add the notification to.
+ * @param  achievement The key identifying the achievement to award.
+ */
+schema.statics.addAchievementUpdate = async function addAchievementUpdate (query, achievement) {
+  const achievementData = common.content.achievements[achievement];
+  if (!achievementData) throw new Error(`Achievement ${achievement} does not exist.`);
+
+  const newNotification = new UserNotification({
+    type: 'ACHIEVEMENT',
+    data: {
+      achievement,
+    },
+    seen: false,
+  });
+
+  const validationResult = newNotification.validateSync();
+  if (validationResult) throw validationResult;
+
+  await this.update(
+    query,
+    {
+      $push: { notifications: newNotification.toObject() },
+      $set: { [`achievements.${achievement}`]: true },
+    },
+    { multi: true },
+  ).exec();
+};
+
 // Static method to add/remove properties to a JSON User object,
 // For example for when the user is returned using `.lean()` and thus doesn't
 // have access to any mongoose helper