- working party

- working friend
- working attendent

app/controllers/parties_controller.rb

@@ -6,6 +6,7 @@ class PartiesController < ApplicationController
   end
 
   def show
+    @friends = Friend.order(:lastname, :firstname)
   end
 
   def new
@@ -45,6 +46,33 @@ class PartiesController < ApplicationController
     end
   end
 
+  def toggle_attendent
+    member = false
+    party = Party.find_by(id: params[:party_id])
+    friend = Friend.find_by(id: params[:friend_id])
+
+    if party.attendents.exists?( friend_id: friend.id )
+      puts "gefunden"
+      party.attendents.where(friend_id: friend.id).delete_all
+    else
+      puts "nicht gefunden"
+      party.attendents.create(friend_id: friend.id)
+      member = true
+    end
+
+    render turbo_stream:
+          turbo_stream.replace(
+            "party-#{party.id}-#{friend.id}",
+            partial: 'parties/attendent',
+            locals: {
+              friend: friend,
+              party: party,
+              member: member
+            }
+          )
+
+  end
+
   private
     # Use callbacks to share common setup or constraints between actions.
     def set_party