FEATURE: Can upload images to categories

app/assets/javascripts/discourse/components/image-uploader.js.es6

@@ -13,7 +13,19 @@ export default Em.Component.extend(UploadMixin, {
     this.set('imageUrl', data.result.url);
   },
 
-  deleteDone: function() {
-    this.set('imageUrl', null);
+  actions: {
+    trash: function() {
+      this.set('imageUrl', null);
+
+      // Do we want to signal the delete to the server right away?
+      if (this.get('instantDelete')) {
+        Discourse.ajax(this.get('uploadUrl'), {
+          type: 'DELETE',
+          data: { image_type: this.get('type') }
+        }).then(null, function() {
+          bootbox.alert(I18n.t('generic_error'));
+        });
+      }
+    }
   }
 });

app/assets/javascripts/discourse/controllers/edit-category.js.es6

@@ -9,6 +9,7 @@
 **/
 export default Discourse.ObjectController.extend(Discourse.ModalFunctionality, {
   foregroundColors: ['FFFFFF', '000000'],
+  categoryUploadUrl: '/category/uploads',
 
   parentCategories: function() {
     return Discourse.Category.list().filter(function (c) {

app/assets/javascripts/discourse/mixins/upload.js.es6

@@ -53,18 +53,6 @@ export default Em.Mixin.create({
   actions: {
     selectFile: function() {
       this.$('input[type=file]').click();
-    },
-
-    trash: function() {
-      var self = this;
-      Discourse.ajax(this.get('uploadUrl'), {
-        type: 'DELETE',
-        data: { image_type: this.get('type') }
-      }).then(function() {
-        self.deleteDone();
-      }).catch(function() {
-        bootbox.alert(I18n.t('generic_error'));
-      });
     }
   }
 });

app/assets/javascripts/discourse/models/category.js

@@ -68,7 +68,9 @@ Discourse.Category = Discourse.Model.extend({
         position: this.get('position'),
         email_in: this.get('email_in'),
         email_in_allow_strangers: this.get('email_in_allow_strangers'),
-        parent_category_id: this.get('parent_category_id')
+        parent_category_id: this.get('parent_category_id'),
+        logo_url: this.get('logo_url'),
+        background_url: this.get('background_url')
       },
       type: this.get('id') ? 'PUT' : 'POST'
     });

app/assets/javascripts/discourse/templates/modal/edit-category-images.js.handlebars

@@ -0,0 +1,9 @@
+<section class='field'>
+  <label>{{i18n category.logo}}</label>
+  {{image-uploader uploadUrl=categoryUploadUrl imageUrl=logo_url type="logo"}}
+</section>
+
+<section class='field'>
+  <label>{{i18n category.background_image}}</label>
+  {{image-uploader uploadUrl=categoryUploadUrl imageUrl=background_url type="background"}}
+</section>

app/assets/javascripts/discourse/templates/user/preferences.js.handlebars

@@ -94,6 +94,7 @@
       <div class="controls">
         {{image-uploader uploadUrl=imageUploadUrl
                          imageUrl=profile_background
+                         instantDelete="true"
                          type="profile_background"}}
       </div>
     </div>

app/assets/stylesheets/desktop/modal.scss

@@ -186,3 +186,9 @@ animation: modal .25s;
 .uploaded-avatar {
   margin-top: 20px;
 }
+
+.uploaded-image-preview {
+  width: 400px;
+  max-height: 150px;
+  margin-bottom: 10px;
+}

app/controllers/categories_controller.rb

@@ -26,6 +26,19 @@ class CategoriesController < ApplicationController
     end
   end
 
+  def upload
+    params.require(:image_type)
+    guardian.ensure_can_create!(Category)
+
+    file = params[:file] || params[:files].first
+    upload = Upload.create_for(current_user.id, file.tempfile, file.original_filename, File.size(file.tempfile))
+    if upload.errors.blank?
+      render json: { url: upload.url, width: upload.width, height: upload.height }
+    else
+      render status: 422, text: upload.errors.full_messages
+    end
+  end
+
   def move
     guardian.ensure_can_create!(Category)
 
@@ -105,7 +118,7 @@ class CategoriesController < ApplicationController
           end
         end
 
-        params.permit(*required_param_keys, :position, :email_in, :email_in_allow_strangers, :parent_category_id, :auto_close_hours, :permissions => [*p.try(:keys)])
+        params.permit(*required_param_keys, :position, :email_in, :email_in_allow_strangers, :parent_category_id, :auto_close_hours, :logo_url, :background_url, :permissions => [*p.try(:keys)])
       end
     end
 

app/jobs/scheduled/clean_up_uploads.rb

@@ -6,7 +6,11 @@ module Jobs
     def execute(args)
       return unless SiteSetting.clean_up_uploads?
 
-      uploads_used_as_profile_backgrounds = UserProfile.uniq.where("profile_background IS NOT NULL AND profile_background != ''").pluck(:profile_background)
+      ignore_urls = []
+      ignore_urls << UserProfile.uniq.where("profile_background IS NOT NULL AND profile_background != ''").pluck(:profile_background)
+      ignore_urls << Category.uniq.where("logo_url IS NOT NULL AND logo_url != ''").pluck(:logo_url)
+      ignore_urls << Category.uniq.where("background_url IS NOT NULL AND background_url != ''").pluck(:background_url)
+      ignore_urls.flatten!
 
       grace_period = [SiteSetting.clean_orphan_uploads_grace_period_hours, 1].max
 
@@ -14,7 +18,7 @@ module Jobs
             .where("id NOT IN (SELECT upload_id from post_uploads)")
             .where("id NOT IN (SELECT custom_upload_id from user_avatars)")
             .where("id NOT IN (SELECT gravatar_upload_id from user_avatars)")
-            .where("url NOT IN (?)", uploads_used_as_profile_backgrounds)
+            .where("url NOT IN (?)", ignore_urls)
             .find_each do |upload|
         upload.destroy
       end

app/serializers/basic_category_serializer.rb

@@ -12,7 +12,9 @@ class BasicCategorySerializer < ApplicationSerializer
              :read_restricted,
              :permission,
              :parent_category_id,
-             :notification_level
+             :notification_level,
+             :logo_url,
+             :background_url
 
   def include_parent_category_id?
     parent_category_id

config/locales/client.en.yml

@@ -1146,6 +1146,8 @@ en:
       name: "Category Name"
       description: "Description"
       topic: "category topic"
+      logo: "Category Logo Image"
+      background_image: "Category Background Image"
       badge_colors: "Badge colors"
       background_color: "Background color"
       foreground_color: "Foreground color"

config/routes.rb

@@ -275,6 +275,7 @@ Discourse::Application.routes.draw do
 
   resources :categories, :except => :show
   get "category/:id/show" => "categories#show"
+  post "category/uploads" => "categories#upload"
   post "category/:category_id/move" => "categories#move"
   get "category/:category.rss" => "list#category_feed", format: :rss
   get "category/:parent_category/:category.rss" => "list#category_feed", format: :rss

db/migrate/20140627193814_add_images_to_categories.rb

@@ -0,0 +1,6 @@
+class AddImagesToCategories < ActiveRecord::Migration
+  def change
+    add_column :categories, :logo_url, :string
+    add_column :categories, :background_url, :string
+  end
+end

spec/controllers/categories_controller_spec.rb

@@ -95,6 +95,37 @@ describe CategoriesController do
 
   end
 
+  describe "upload" do
+    it "requires the user to be logged in" do
+      lambda { xhr :post, :upload, image_type: 'logo'}.should raise_error(Discourse::NotLoggedIn)
+    end
+
+    describe "logged in" do
+      let!(:user) { log_in(:admin) }
+
+      let(:logo) { File.new("#{Rails.root}/spec/fixtures/images/logo.png") }
+      let(:upload) do
+        ActionDispatch::Http::UploadedFile.new({ filename: 'logo.png', tempfile: logo })
+      end
+
+      it "raises an error when you don't have permission to upload" do
+        Guardian.any_instance.expects(:can_create?).with(Category).returns(false)
+        xhr :post, :upload, image_type: 'logo', file: upload
+        response.should be_forbidden
+      end
+
+      it "requires the `image_type` param" do
+        -> { xhr :post, :upload }.should raise_error(ActionController::ParameterMissing)
+      end
+
+      it "calls Upload.create_for" do
+        Upload.expects(:create_for).returns(Upload.new)
+        xhr :post, :upload, image_type: 'logo', file: upload
+        response.should be_success
+      end
+    end
+  end
+
   describe "update" do
 
     it "requires the user to be logged in" do

spec/controllers/users_controller_spec.rb

@@ -1272,7 +1272,7 @@ describe UsersController do
   describe '.destroy_user_image' do
 
     it 'raises an error when not logged in' do
-      lambda { xhr :put, :destroy_user_image, type: 'profile_background', username: 'asdf' }.should raise_error(Discourse::NotLoggedIn)
+      lambda { xhr :delete, :destroy_user_image, type: 'profile_background', username: 'asdf' }.should raise_error(Discourse::NotLoggedIn)
     end
 
     context 'while logged in' do
@@ -1281,20 +1281,20 @@ describe UsersController do
 
       it 'raises an error when you don\'t have permission to clear the profile background' do
         Guardian.any_instance.expects(:can_edit?).with(user).returns(false)
-        xhr :put, :destroy_user_image, username: user.username, image_type: 'profile_background'
+        xhr :delete, :destroy_user_image, username: user.username, image_type: 'profile_background'
         response.should be_forbidden
       end
 
       it "requires the `image_type` param" do
-        -> { xhr :put, :destroy_user_image, username: user.username }.should raise_error(ActionController::ParameterMissing)
+        -> { xhr :delete, :destroy_user_image, username: user.username }.should raise_error(ActionController::ParameterMissing)
       end
 
       it "only allows certain `image_types`" do
-        -> { xhr :put, :destroy_user_image, username: user.username, image_type: 'wat' }.should raise_error(Discourse::InvalidParameters)
+        -> { xhr :delete, :destroy_user_image, username: user.username, image_type: 'wat' }.should raise_error(Discourse::InvalidParameters)
       end
 
       it 'can clear the profile background' do
-        xhr :put, :destroy_user_image, image_type: 'profile_background', username: user.username
+        xhr :delete, :destroy_user_image, image_type: 'profile_background', username: user.username
         user.reload.user_profile.profile_background.should == ""
         response.should be_success
       end