Add support for markdown preview to group milestones

5 files changed, 27 insertions, 34 deletions

diff --git a/app/controllers/concerns/preview_markdown.rb b/app/controllers/concerns/preview_markdown.rb
new file mode 100644
index 00000000000..5ce602b55a8
--- /dev/null
+++ b/app/controllers/concerns/preview_markdown.rb
@@ -0,0 +1,22 @@
+module PreviewMarkdown
+  extend ActiveSupport::Concern
+
+  def preview_markdown
+    result = PreviewMarkdownService.new(@project, current_user, params).execute
+
+    markdown_params =
+      case controller_name
+      when 'wikis'    then { pipeline: :wiki, project_wiki: @project_wiki, page_slug: params[:id] }
+      when 'snippets' then { skip_project_check: true }
+      else {}
+      end
+
+    render json: {
+      body: view_context.markdown(result[:text], markdown_params),
+      references: {
+        users: result[:users],
+        commands: view_context.markdown(result[:commands])
+      }
+    }
+  end
+end
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index 3769a2cde33..a962d82e3b5 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -2,6 +2,7 @@ class GroupsController < Groups::ApplicationController
   include IssuesAction
   include MergeRequestsAction
   include ParamsBackwardCompatibility
+  include PreviewMarkdown
 
   respond_to :html
 
diff --git a/app/controllers/projects/wikis_controller.rb b/app/controllers/projects/wikis_controller.rb
index a8ebdf5a4a9..f7a9c98629d 100644
--- a/app/controllers/projects/wikis_controller.rb
+++ b/app/controllers/projects/wikis_controller.rb
@@ -1,4 +1,6 @@
 class Projects::WikisController < Projects::ApplicationController
+  include PreviewMarkdown
+
   before_action :authorize_read_wiki!
   before_action :authorize_create_wiki!, only: [:edit, :create, :history]
   before_action :authorize_admin_wiki!, only: :destroy
@@ -92,17 +94,6 @@ class Projects::WikisController < Projects::ApplicationController
   def git_access
   end
 
-  def preview_markdown
-    result = PreviewMarkdownService.new(@project, current_user, params).execute
-
-    render json: {
-      body: view_context.markdown(result[:text], pipeline: :wiki, project_wiki: @project_wiki, page_slug: params[:id]),
-      references: {
-        users: result[:users]
-      }
-    }
-  end
-
   private
 
   def load_project_wiki
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index a738ca9f361..e90b75672ae 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -1,6 +1,7 @@
 class ProjectsController < Projects::ApplicationController
   include IssuableCollections
   include ExtractsPath
+  include PreviewMarkdown
 
   before_action :authenticate_user!, except: [:index, :show, :activity, :refs]
   before_action :project, except: [:index, :new, :create]
@@ -258,18 +259,6 @@ class ProjectsController < Projects::ApplicationController
     render json: options.to_json
   end
 
-  def preview_markdown
-    result = PreviewMarkdownService.new(@project, current_user, params).execute
-
-    render json: {
-      body: view_context.markdown(result[:text]),
-      references: {
-        users: result[:users],
-        commands: view_context.markdown(result[:commands])
-      }
-    }
-  end
-
   private
 
   # Render project landing depending of which features are available
diff --git a/app/controllers/snippets_controller.rb b/app/controllers/snippets_controller.rb
index c1cdc7c9831..be2d3f638ff 100644
--- a/app/controllers/snippets_controller.rb
+++ b/app/controllers/snippets_controller.rb
@@ -4,6 +4,7 @@ class SnippetsController < ApplicationController
   include SpammableActions
   include SnippetsActions
   include RendersBlob
+  include PreviewMarkdown
 
   before_action :snippet, only: [:show, :edit, :destroy, :update, :raw]
 
@@ -87,17 +88,6 @@ class SnippetsController < ApplicationController
     redirect_to snippets_path, status: 302
   end
 
-  def preview_markdown
-    result = PreviewMarkdownService.new(@project, current_user, params).execute
-
-    render json: {
-      body: view_context.markdown(result[:text], skip_project_check: true),
-      references: {
-        users: result[:users]
-      }
-    }
-  end
-
   protected
 
   def snippet