discourse/app/assets/javascripts/discourse/controllers/preferences/profile.js.es6

import { default as computed } from "ember-addons/ember-computed-decorators";
import PreferencesTabController from "discourse/mixins/preferences-tab-controller";
import { popupAjaxError } from "discourse/lib/ajax-error";
import { cookAsync } from "discourse/lib/text";

export default Ember.Controller.extend(PreferencesTabController, {
  saveAttrNames: [
    "bio_raw",
    "website",
    "location",
    "custom_fields",
    "user_fields",
    "profile_background",
    "card_background",
    "date_of_birth"
  ],

  @computed("model.user_fields.@each.value")
  userFields() {
    let siteUserFields = this.site.get("user_fields");
    if (!Ember.isEmpty(siteUserFields)) {
      const userFields = this.get("model.user_fields");

      // Staff can edit fields that are not `editable`
      if (!this.get("currentUser.staff")) {
        siteUserFields = siteUserFields.filterBy("editable", true);
      }
      return siteUserFields.sortBy("position").map(function(field) {
        const value = userFields
          ? userFields[field.get("id").toString()]
          : null;
        return Ember.Object.create({ value, field });
      });
    }
  },

  @computed("model.can_change_bio")
  canChangeBio(canChangeBio) {
    return canChangeBio;
  },

  actions: {
    save() {
      this.set("saved", false);

      const model = this.get("model"),
        userFields = this.get("userFields");

      // Update the user fields
      if (!Ember.isEmpty(userFields)) {
        const modelFields = model.get("user_fields");
        if (!Ember.isEmpty(modelFields)) {
          userFields.forEach(function(uf) {
            modelFields[uf.get("field.id").toString()] = uf.get("value");
          });
        }
      }

      return model
        .save(this.get("saveAttrNames"))
        .then(() => {
          cookAsync(model.get("bio_raw"))
            .then(() => {
              model.set("bio_cooked");
              this.set("saved", true);
            })
            .catch(popupAjaxError);
        })
        .catch(popupAjaxError);
    }
  }
});