use instrument id instead of description

lib/jam_ruby/models/user.rb

@@ -38,7 +38,9 @@ module JamRuby
     has_secure_password
 
     before_save { |user| user.email = email.downcase }
-    before_save :create_remember_token
+    #before_save :create_remember_token
+
+    after_save :limit_to_five_instruments
 
     validates :name, presence: true, length: {maximum: 50}
     VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
@@ -76,7 +78,6 @@ module JamRuby
 
     # helper method for creating / updating a User
     def self.save(params)
-
       if params[:id].nil?
         user = User.new()
       else
@@ -116,11 +117,11 @@ module JamRuby
 
           # loop through each instrument in the array and save to the db
           params[:instruments].each do |instrument|
-            loaded_instrument = Instrument.find_by_description!(instrument[:description])
             mu = MusicianInstrument.new()
-
             mu.user_id = user.id
-            mu.instrument_id = loaded_instrument.id
+            puts "INSTRUMENT ID #{instrument[:id]}"
+            mu.instrument_id = instrument[:id]
+            puts "proficiency level #{instrument[:proficiency_level]}"
             mu.proficiency_level = instrument[:proficiency_level]
             user.musician_instruments << mu
           end
@@ -132,6 +133,12 @@ module JamRuby
       return user
     end
 
+    def limit_to_five_instruments
+      if instruments.count > 5
+        errors.add(:instruments, "No more than 5 instruments are allowed.")
+      end
+    end
+
     private
       def create_remember_token
         self.remember_token = SecureRandom.urlsafe_base64