Allow changing user for comments in admin panel (#113)

* Allow changing user for comments in admin panel

* Add successful flash msg

* Use user_id instead of name for comment admin

app/controllers/admin/comments_controller.rb

@@ -1,19 +1,21 @@
 module Admin
   class CommentsController < Admin::ApplicationController
-    # To customize the behavior of this controller,
-    # simply overwrite any of the RESTful actions. For example:
-    #
-    # def index
-    #   super
-    #   @resources = Comment.all.paginate(10, params[:page])
-    # end
+    def update
+      comment = Comment.find(params[:id])
+      if comment.update(comment_params)
+        flash[:notice] = "Comment successfully updated"
+        redirect_to "/admin/comments/#{comment.id}"
+      else
+        flash.now[:error] = comment.errors.full_messages
+        render :new, locals: { page: Administrate::Page::Form.new(dashboard, comment) }
+      end
+    end
 
-    # Define a custom finder by overriding the `find_resource` method:
-    # def find_resource(param)
-    #   Comment.find_by!(slug: param)
-    # end
+    private
 
-    # See https://administrate-docs.herokuapp.com/customizing_controller_actions
-    # for more information
+    def comment_params
+      accessible = %i[user_id body_markdown deleted]
+      params.require(:comment).permit(accessible)
+    end
   end
 end

app/controllers/admin/users_controller.rb

@@ -4,6 +4,7 @@ module Admin
       user = User.find(params[:id])
       UserRoleService.new(user).check_for_roles(params[:user])
       if user.errors.messages.blank? && user.update(user_params)
+        flash[:notice] = "User successfully updated"
         redirect_to "/admin/users/#{params[:id]}"
       else
         render_with_errors(user)

app/dashboards/comment_dashboard.rb

@@ -61,6 +61,7 @@ class CommentDashboard < Administrate::BaseDashboard
   # an array of attributes that will be displayed
   # on the model's form (`new` and `edit`) pages.
   FORM_ATTRIBUTES = [
+    :user_id,
     :body_markdown,
     :deleted,
   ]