Introduces admin interface for comments

Paginated view of all comments with the ability to delete them.

app/controllers/comments_controller.rb

@@ -1,9 +1,14 @@
 class CommentsController < ApplicationController
   include MarkdownHelper
-  before_action :get_parent, except: :reply_modal
-  load_and_authorize_resource
+  before_action :get_parent, only: %i[create update]
+  load_and_authorize_resource except: :index
+  authorize_resource only: :index
   skip_before_action :verify_authenticity_token, only: [:reply_modal]
 
+  def index
+    @comments = Comment.accessible_by(current_ability).order('id DESC').page(params[:page])
+  end
+
   def create
     @comment = @parent.comments.build(comment_params)
     @comment.commenter = current_user
@@ -28,6 +33,14 @@ def update
     end
   end
 
+  def destroy
+    @comment.destroy
+
+    respond_to do |format|
+      format.html { redirect_to comments_path, notice: 'Comment was successfully deleted.' }
+    end
+  end
+
   def comment_params
     params.require(:comment).permit(:commentable_id, :commentable_type, :commenter_id, :text, :commenter)
   end

app/views/comments/index.html.haml

@@ -0,0 +1,43 @@
+- content_for :title do
+  Comments
+
+.row
+  .col-sm-12
+    - if @comments.any?
+      .row
+        .col-sm-12
+          %table.table.table-hover
+            %thead
+              %th Date
+              %th User
+              %th Comment
+              %th Project
+              %th Actions
+            - @comments.each do |comment|
+              %tr
+                %td
+                  = comment.updated_at
+                %td
+                  - if comment.commenter
+                    = link_to user_path(comment.commenter) do
+                      = comment.commenter.name
+                  - else
+                    Deleted User
+                %td
+                  = comment.text
+                %td
+                  - if comment.commentable
+                    = link_to project_path(comment.commentable) do
+                      = comment.project.title
+                  - else
+                    Deleted Project/Comment
+                %td
+                  .btn-group
+                    = link_to comment_path(comment), method: :delete, data: { confirm: 'Are you sure you want to delete this comment?' }, class: 'btn btn-danger' do
+                      Delete Comment
+          .row
+            .col-sm-12
+              .text-center
+                = paginate @comments
+    - else
+      No comments yet.

config/routes.rb

@@ -54,7 +54,7 @@
     resources :comments, only: %i[create update]
   end
 
-  resources :comments, only: [] do
+  resources :comments, only: %i[index destroy] do
     resources :comments, only: %i[create update]
     collection do
       get '/reply/:id', to: 'comments#reply_modal', as: 'reply_modal'