1 files changed, 17 insertions, 2 deletions
diff --git a/lib/band.rb b/lib/band.rb
index 22778ff..49180d8 100644
--- a/lib/band.rb
+++ b/lib/band.rb
@@ -4,8 +4,10 @@ require_relative 'song'
 
 class Band
   attr_reader :name, :city, :website, :label, :short_bio, :contact, :members, :songs
+  attr_reader :errors
 
   def initialize(params)
+    @errors = []
     @name = params['name']
     @city = params['city']
     @website = params['website']
@@ -20,8 +22,21 @@ class Band
     end
 
     @songs = []
-    params['songs'].each do |k, s|
-      @songs << Song.new(s)
+    if params['songs']
+      params['songs'].each do |k, s|
+        @songs << Song.new(s)
+      end
+    end
+  end
+
+  def valid?
+    validate!
+    errors.length == 0
+  end
+
+  def validate!
+    if @songs.length <= 0
+      errors << "Du må ha med minst én låt!"
     end
   end
 end