Implements admin interface for Comments incl. filters

app/controllers/admin/comments_controller.rb

@@ -1,13 +1,35 @@
 class Admin::CommentsController < Admin::BaseController
+  before_filter :set_valid_filters, only: :index
+  before_filter :parse_filter, only: :index
+
+  before_filter :load_comment, only: [:confirm_hide, :restore]
 
   def index
-    @comments = Comment.only_hidden.page(params[:page])
+    @comments = Comment.only_hidden.send(@filter).page(params[:page])
+  end
+
+  def confirm_hide
+    @comment.confirm_hide
+    redirect_to request.query_parameters.merge(action: :index)
   end
 
   def restore
-    @comment = Comment.with_hidden.find(params[:id])
     @comment.restore
-    redirect_to admin_comments_path, notice: t('admin.comments.restore.success')
+    redirect_to request.query_parameters.merge(action: :index)
   end
 
-end
+  private
+    def load_comment
+      @comment = Comment.with_hidden.find(params[:id])
+    end
+
+    def set_valid_filters
+      @valid_filters = %w{all with_confirmed_hide}
+    end
+
+    def parse_filter
+      @filter = params[:filter]
+      @filter = 'all' unless @valid_filters.include?(@filter)
+    end
+
+end