Fix subject_ids in `jurisprudence/doctrines`

app/controllers/jurisprudence/doctrines_controller.rb

@@ -3,8 +3,15 @@ class Jurisprudence::DoctrinesController < ApplicationController
   load_and_authorize_resource :doctrine, class: "Doctrine", through: :jurisprudence
 
   def create
+    attrs = resource_params.to_unsafe_h
+    subject_ids = attrs.delete(:subject_ids)
+
+    @doctrine = @jurisprudence.doctrines(attrs)
+
     respond_to do |format|
       if @doctrine.save
+        @doctrine.subject_ids = subject_ids if subject_ids.present?
+
         format.html { redirect_to document_path(@jurisprudence), notice: "Doctrine was successfully created." }
       else
         format.html { redirect_to document_path(@jurisprudence) }
@@ -13,8 +20,13 @@ class Jurisprudence::DoctrinesController < ApplicationController
   end
 
   def update
+    attrs = resource_params.to_unsafe_h
+    subject_ids = attrs.delete(:subject_ids)
+
     respond_to do |format|
-      if @doctrine.update(resource_params)
+      if @doctrine.update(attrs)
+        @doctrine.subject_ids = subject_ids if subject_ids.present?
+
         format.html { redirect_to document_path(@jurisprudence), notice: "Doctrine was successfully updated." }
       else
         format.html { redirect_to document_path(@jurisprudence) }