1 files changed, 61 insertions, 0 deletions
diff --git a/app/controllers/concerns/snippets_actions.rb b/app/controllers/concerns/snippets_actions.rb
index e78723bdda2..51fc12398d9 100644
--- a/app/controllers/concerns/snippets_actions.rb
+++ b/app/controllers/concerns/snippets_actions.rb
@@ -3,9 +3,18 @@
 module SnippetsActions
   extend ActiveSupport::Concern
   include SendsBlob
+  include RendersNotes
+  include RendersBlob
+  include PaginatedCollection
+  include Gitlab::NoteableMetadata
 
   included do
+    skip_before_action :verify_authenticity_token,
+      if: -> { action_name == 'show' && js_request? }
+
     before_action :redirect_if_binary, only: [:edit, :update]
+
+    respond_to :html
   end
 
   def edit
@@ -43,6 +52,58 @@ module SnippetsActions
     request.format.js?
   end
 
+  # rubocop:disable Gitlab/ModuleWithInstanceVariables
+  def show
+    conditionally_expand_blob(blob)
+
+    respond_to do |format|
+      format.html do
+        @note = Note.new(noteable: @snippet, project: @snippet.project)
+        @noteable = @snippet
+
+        @discussions = @snippet.discussions
+        @notes = prepare_notes_for_rendering(@discussions.flat_map(&:notes), @noteable)
+        render 'show'
+      end
+
+      format.json do
+        render_blob_json(blob)
+      end
+
+      format.js do
+        if @snippet.embeddable?
+          render 'shared/snippets/show'
+        else
+          head :not_found
+        end
+      end
+    end
+  end
+
+  def update
+    update_params = snippet_params.merge(spammable_params)
+
+    service_response = Snippets::UpdateService.new(@snippet.project, current_user, update_params).execute(@snippet)
+    @snippet = service_response.payload[:snippet]
+
+    handle_repository_error(:edit)
+  end
+
+  def destroy
+    service_response = Snippets::DestroyService.new(current_user, @snippet).execute
+
+    if service_response.success?
+      redirect_to gitlab_dashboard_snippets_path(@snippet), status: :found
+    elsif service_response.http_status == 403
+      access_denied!
+    else
+      redirect_to gitlab_snippet_path(@snippet),
+                  status: :found,
+                  alert: service_response.message
+    end
+  end
+  # rubocop:enable Gitlab/ModuleWithInstanceVariables
+
   private
 
   def content_disposition