Log site customization changes. Use a modal to show staff action log details for site customizations.

app/assets/javascripts/admin/controllers/change_site_customization_details_controller.js

@@ -0,0 +1,25 @@
+/**
+  The modal for viewing the details of a staff action log record.
+
+  @class ChangeSiteCustomizationDetailsController
+  @extends Discourse.Controller
+  @namespace Discourse
+  @uses Discourse.ModalFunctionality
+  @module Discourse
+**/
+Discourse.ChangeSiteCustomizationDetailsController = Discourse.ObjectController.extend(Discourse.ModalFunctionality, {
+  previousSelected: Ember.computed.equal('selectedTab', 'previous'),
+  newSelected:      Ember.computed.equal('selectedTab', 'new'),
+
+  onShow: function() {
+    this.selectNew();
+  },
+
+  selectNew: function() {
+    this.set('selectedTab', 'new');
+  },
+
+  selectPrevious: function() {
+    this.set('selectedTab', 'previous');
+  }
+});

app/assets/javascripts/admin/models/staff_action_log.js

@@ -17,8 +17,10 @@ Discourse.StaffActionLog = Discourse.Model.extend({
     var formatted = "";
     formatted += this.format('email', 'email');
     formatted += this.format('admin.logs.staff_actions.ip_address', 'ip_address');
+    if (!this.get('useModalForDetails')) {
       formatted += this.format('admin.logs.staff_actions.new_value', 'new_value');
       formatted += this.format('admin.logs.staff_actions.previous_value', 'previous_value');
+    }
     return formatted;
   }.property('ip_address', 'email'),
 
@@ -28,7 +30,11 @@ Discourse.StaffActionLog = Discourse.Model.extend({
     } else {
       return '';
     }
-  }
+  },
+
+  useModalForDetails: function() {
+    return (this.get('action_name') === 'change_site_customization');
+  }.property('action_name')
 });
 
 Discourse.StaffActionLog.reopenClass({

app/assets/javascripts/admin/routes/admin_logs_routes.js

@@ -33,6 +33,13 @@ Discourse.AdminLogsStaffActionLogsRoute = Discourse.Route.extend({
     return controller.show();
   },
 
+  events: {
+    showDetailsModal: function(logRecord) {
+      Discourse.Route.showModal(this, logRecord.action_name + '_details', logRecord);
+      this.controllerFor('modal').set('modalClass', 'tabbed-modal log-details-modal');
+    }
+  },
+
   deactivate: function() {
     this._super();
 

app/assets/javascripts/admin/templates/logs/_site_customization_change_details.js.handlebars

@@ -0,0 +1,14 @@
+<section class="field">
+  <b>{{i18n admin.customize.css}}</b>: ({{i18n character_count count=stylesheet.length}})<br/>
+  {{textarea value=stylesheet class="plain"}}
+</section>
+<section class="field">
+  <b>{{i18n admin.customize.header}}</b>: ({{i18n character_count count=header.length}})<br/>
+  {{textarea value=header class="plain"}}
+</section>
+<section class="field">
+  <b>{{i18n admin.customize.enabled}}</b>: {{enabled}}
+</section>
+<section class="field">
+  <b>{{i18n admin.customize.override_default}}</b>: {{override_default_style}}
+</section>

app/assets/javascripts/admin/templates/logs/site_customization_change_modal.js.handlebars

@@ -0,0 +1,29 @@
+<div>
+  <ul class="nav nav-pills">
+    <li {{bindAttr class="newSelected:active"}}>
+      <a href="#" {{action selectNew}}>{{i18n admin.logs.staff_actions.new_value}}</a>
+    </li>
+    <li {{bindAttr class="previousSelected:active"}}>
+      <a href="#" {{action selectPrevious}}>{{i18n admin.logs.staff_actions.previous_value}}</a>
+    </li>
+  </ul>
+  <div class="modal-body">
+    <div {{bindAttr class=":modal-tab :new-tab newSelected::invisible"}}>
+      {{#with new_value}}
+        {{partial "admin/templates/logs/site_customization_change_details"}}
+      {{/with}}
+    </div>
+    <div {{bindAttr class=":modal-tab :previous-tab previousSelected::invisible"}}>
+      {{#if previous_value}}
+        {{#with previous_value}}
+          {{partial "admin/templates/logs/site_customization_change_details"}}
+        {{/with}}
+      {{else}}
+        {{i18n admin.logs.staff_actions.no_previous}}
+      {{/if}}
+    </div>
+  </div>
+  <div class="modal-footer">
+    <button class='btn btn-primary' {{action closeModal}}>{{i18n close}}</button>
+  </div>
+</div>

app/assets/javascripts/admin/templates/logs/staff_action_logs_list_item.js.handlebars

@@ -17,12 +17,16 @@
 <div class="col value created_at">{{unboundAgeWithTooltip created_at}}</div>
 <div class="col value details">
   {{{formattedDetails}}}
+  {{#if useModalForDetails}}
+    <a {{action showDetailsModal this}}>{{i18n admin.logs.staff_actions.show}}</a>
+  {{else}}
     {{#if showFullDetails}}
       <a {{action toggleFullDetails this}}>{{i18n less}}</a><br/>
       {{details}}
     {{else}}
       <a {{action toggleFullDetails this}}>{{i18n more}}</a>
     {{/if}}
+  {{/if}}
 </div>
 <div class="col value context">{{context}}</div>
 <div class="clearfix"></div>

app/assets/javascripts/admin/views/modals/change_site_customization_details_view.js

@@ -0,0 +1,12 @@
+/**
+  A modal view for details of a staff action log record in a modal.
+
+  @class ChangeSiteCustomizationDetailsView
+  @extends Discourse.ModalBodyView
+  @namespace Discourse
+  @module Discourse
+**/
+Discourse.ChangeSiteCustomizationDetailsView = Discourse.ModalBodyView.extend({
+  templateName: 'admin/templates/logs/site_customization_change_modal',
+  title: I18n.t('admin.logs.staff_actions.modal_title')
+});

app/assets/stylesheets/admin/admin_base.scss

@@ -806,3 +806,9 @@ table {
     border-top: solid 1px #ddd;
   }
 }
+
+.log-details-modal {
+  .modal-tab {
+    width: 95%;
+  }
+}

app/assets/stylesheets/application/modal.css.scss

@@ -253,6 +253,13 @@
   }
 }
 
+.tabbed-modal {
+  .modal-body {
+    position: relative;
+    height: 350px;
+  }
+}
+
 .modal-tab {
   position: absolute;
 }

app/controllers/admin/site_customizations_controller.rb

@@ -14,6 +14,7 @@ class Admin::SiteCustomizationsController < Admin::AdminController
 
     respond_to do |format|
       if @site_customization.save
+        log_site_customization_change(nil, site_customization_params)
         format.json { render json: @site_customization, status: :created}
       else
         format.json { render json: @site_customization.errors, status: :unprocessable_entity }
@@ -23,11 +24,13 @@ class Admin::SiteCustomizationsController < Admin::AdminController
 
   def update
     @site_customization = SiteCustomization.find(params[:id])
+    log_record = log_site_customization_change(@site_customization, site_customization_params)
 
     respond_to do |format|
       if @site_customization.update_attributes(site_customization_params)
         format.json { head :no_content }
       else
+        log_record.destroy if log_record
         format.json { render json: @site_customization.errors, status: :unprocessable_entity }
       end
     end
@@ -37,6 +40,8 @@ class Admin::SiteCustomizationsController < Admin::AdminController
     @site_customization = SiteCustomization.find(params[:id])
     @site_customization.destroy
 
+    # TODO: log this
+
     respond_to do |format|
       format.json { head :no_content }
     end
@@ -48,4 +53,8 @@ class Admin::SiteCustomizationsController < Admin::AdminController
       params.require(:site_customization).permit(:name, :stylesheet, :header, :position, :enabled, :key, :override_default_style, :stylesheet_baked)
     end
 
+    def log_site_customization_change(old_record, new_params)
+      StaffActionLogger.new(current_user).log_site_customization_change(old_record, new_params)
+    end
+
 end

app/models/staff_action_log.rb

@@ -9,7 +9,7 @@ class StaffActionLog < ActiveRecord::Base
   validates_presence_of :action
 
   def self.actions
-    @actions ||= Enum.new(:delete_user, :change_trust_level, :change_site_setting)
+    @actions ||= Enum.new(:delete_user, :change_trust_level, :change_site_setting, :change_site_customization)
   end
 
   def self.with_filters(filters)
@@ -25,6 +25,14 @@ class StaffActionLog < ActiveRecord::Base
     query = query.where("subject = ?", filters[:subject]) if filters[:subject]
     query
   end
+
+  def new_value_is_json?
+    action == StaffActionLog.actions[:change_site_customization]
+  end
+
+  def previous_value_is_json?
+    new_value_is_json?
+  end
 end
 
 # == Schema Information

app/serializers/staff_action_log_serializer.rb

@@ -15,4 +15,20 @@ class StaffActionLogSerializer < ApplicationSerializer
   def action_name
     StaffActionLog.actions.key(object.action).to_s
   end
+
+  def new_value
+    if object.new_value
+      object.new_value_is_json? ? ::JSON.parse(object.new_value) : object.new_value
+    else
+      nil
+    end
+  end
+
+  def previous_value
+    if object.previous_value
+      object.previous_value_is_json? ? ::JSON.parse(object.previous_value) : object.previous_value
+    else
+      nil
+    end
+  end
 end

app/services/staff_action_logger.rb

@@ -37,6 +37,17 @@ class StaffActionLogger
     }))
   end
 
+  def log_site_customization_change(old_record, site_customization_params, opts={})
+    raise Discourse::InvalidParameters.new('site_customization_params is nil') unless site_customization_params
+    logged_attrs = ['stylesheet', 'header', 'position', 'enabled', 'key', 'override_default_style']
+    StaffActionLog.create( params(opts).merge({
+      action: StaffActionLog.actions[:change_site_customization],
+      subject: site_customization_params[:name],
+      previous_value: old_record ? old_record.attributes.slice(*logged_attrs).to_json : nil,
+      new_value: site_customization_params.slice(*(logged_attrs.map(&:to_sym))).to_json
+    }))
+  end
+
   private
 
   def params(opts)

config/locales/client.en.yml

@@ -100,6 +100,9 @@ en:
     read_more: 'read more'
     more: "More"
     less: "Less"
+    character_count:
+      one: "{{count}} character"
+      other: "{{count}} characters"
 
     in_n_seconds:
       one: "in 1 second"
@@ -1196,10 +1199,15 @@ en:
           ip_address: "IP"
           previous_value: "Previous"
           new_value: "New"
+          diff: "Diff"
+          show: "Show"
+          modal_title: "Details"
+          no_previous: "There is no previous value."
           actions:
             delete_user: "delete user"
             change_trust_level: "change trust level"
             change_site_setting: "change site setting"
+            change_site_customization: "change site customization"
         screened_emails:
           title: "Screened Emails"
           description: "When someone tries to create a new account, the following email addresses will be checked and the registration will be blocked, or some other action performed."

spec/controllers/admin/site_customizations_controller_spec.rb

@@ -34,6 +34,11 @@ describe Admin::SiteCustomizationsController do
         xhr :post, :create, site_customization: {name: 'my test name'}
         ::JSON.parse(response.body).should be_present
       end
+
+      it 'logs the change' do
+        StaffActionLogger.any_instance.expects(:log_site_customization_change).once
+        xhr :post, :create, site_customization: {name: 'my test name'}
+      end
     end
 
   end

spec/services/staff_action_logger_spec.rb

@@ -73,4 +73,31 @@ describe StaffActionLogger do
       expect { logger.log_site_setting_change('title', 'Discourse', 'My Site') }.to change { StaffActionLog.count }.by(1)
     end
   end
+
+  describe "log_site_customization_change" do
+    let(:valid_params) { {name: 'Cool Theme', stylesheet: "body {\n  background-color: blue;\n}\n", header: "h1 {color: white;}"} }
+
+    it "raises an error when params are invalid" do
+      expect { logger.log_site_customization_change(nil, nil) }.to raise_error(Discourse::InvalidParameters)
+    end
+
+    it "logs new site customizations" do
+      log_record = logger.log_site_customization_change(nil, valid_params)
+      log_record.subject.should == valid_params[:name]
+      log_record.previous_value.should be_nil
+      log_record.new_value.should be_present
+      json = ::JSON.parse(log_record.new_value)
+      json['stylesheet'].should be_present
+      json['header'].should be_present
+    end
+
+    it "logs updated site customizations" do
+      existing = SiteCustomization.new(name: 'Banana', stylesheet: "body {color: yellow;}", header: "h1 {color: brown;}")
+      log_record = logger.log_site_customization_change(existing, valid_params)
+      log_record.previous_value.should be_present
+      json = ::JSON.parse(log_record.previous_value)
+      json['stylesheet'].should == existing.stylesheet
+      json['header'].should == existing.header
+    end
+  end
 end