discourse/app/assets/javascripts/admin/models/site_customization.js

/**
  Our data model for interacting with site customizations.

  @class SiteCustomization
  @extends Discourse.Model
  @namespace Discourse
  @module Discourse
**/
Discourse.SiteCustomization = Discourse.Model.extend({
  trackedProperties: ['enabled', 'name', 'stylesheet', 'header', 'override_default_style'],

  init: function() {
    this._super();
    return this.startTrackingChanges();
  },

  description: (function() {
    return "" + this.name + (this.enabled ? ' (*)' : '');
  }).property('selected', 'name'),

  changed: (function() {
    var _this = this;
    if (!this.originals) {
      return false;
    }
    return this.trackedProperties.any(function(p) {
      return _this.originals[p] !== _this.get(p);
    });
  }).property('override_default_style', 'enabled', 'name', 'stylesheet', 'header', 'originals'),

  startTrackingChanges: function() {
    var _this = this;
    this.set('originals', {});
    return this.trackedProperties.each(function(p) {
      _this.originals[p] = _this.get(p);
      return true;
    });
  },

  previewUrl: (function() {
    return "/?preview-style=" + (this.get('key'));
  }).property('key'),

  disableSave: (function() {
    return !this.get('changed');
  }).property('changed'),

  save: function() {
    var data;
    this.startTrackingChanges();
    data = {
      name: this.name,
      enabled: this.enabled,
      stylesheet: this.stylesheet,
      header: this.header,
      override_default_style: this.override_default_style
    };
    return $.ajax({
      url: "/admin/site_customizations" + (this.id ? '/' + this.id : ''),
      data: {
        site_customization: data
      },
      type: this.id ? 'PUT' : 'POST'
    });
  },

  "delete": function() {
    if (!this.id) return;

    return $.ajax({
      url: "/admin/site_customizations/" + this.id,
      type: 'DELETE'
    });
  }

});

var SiteCustomizations = Ember.ArrayProxy.extend({
  selectedItemChanged: (function() {
    var selected;
    selected = this.get('selectedItem');
    return this.get('content').each(function(i) {
      return i.set('selected', selected === i);
    });
  }).observes('selectedItem')
});

Discourse.SiteCustomization.reopenClass({
  findAll: function() {
    var content,
      _this = this;
    content = SiteCustomizations.create({
      content: [],
      loading: true
    });
    $.ajax({
      url: "/admin/site_customizations",
      dataType: "json",
      success: function(data) {
        if (data) {
          data.site_customizations.each(function(c) {
            var item;
            item = Discourse.SiteCustomization.create(c);
            return content.pushObject(item);
          });
        }
        return content.set('loading', false);
      }
    });
    return content;
  }
});