rfc can now be solved.

show.html still needs to be finished

app/controllers/request_for_comments_controller.rb

@@ -1,5 +1,5 @@
 class RequestForCommentsController < ApplicationController
-  before_action :set_request_for_comment, only: [:show, :edit, :update, :destroy]
+  before_action :set_request_for_comment, only: [:show, :edit, :update, :destroy, :mark_as_solved]
 
   skip_after_action :verify_authorized
 
@@ -20,6 +20,18 @@ class RequestForCommentsController < ApplicationController
     render 'index'
   end
 
+  def mark_as_solved
+    authorize!
+    @request_for_comment.solved = true
+    respond_to do |format|
+      if @request_for_comment.save
+        format.json { render :show, status: :ok, location: @request_for_comment }
+      else
+        format.json { render json: @request_for_comment.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
   # GET /request_for_comments/1
   # GET /request_for_comments/1.json
   def show
@@ -70,6 +82,6 @@ class RequestForCommentsController < ApplicationController
 
     # Never trust parameters from the scary internet, only allow the white list through.
     def request_for_comment_params
-      params.require(:request_for_comment).permit(:exercise_id, :file_id, :question, :requested_at).merge(user_id: current_user.id, user_type: current_user.class.name)
+      params.require(:request_for_comment).permit(:exercise_id, :file_id, :question, :requested_at, :solved).merge(user_id: current_user.id, user_type: current_user.class.name)
     end
 end