* Added validation for presence and length of name field when adding contexts and projects

git-svn-id: http://www.rousette.org.uk/svn/tracks-repos/trunk@8 a4c988fc-2ded-0310-b66e-134b36920a42

tracks/app/models/context.rb

@@ -1,3 +1,8 @@
 class Context < ActiveRecord::Base
     has_many :todo, :dependent => true
+    
+    # Context name must not be empty
+    # and must be less than 255 bytes
+    validates_presence_of :name, :message => "context must have a name"
+    validates_length_of :name, :maximum => 255, :message => "context name must be less than %d"
 end

tracks/app/models/project.rb

@@ -1,3 +1,8 @@
 class Project < ActiveRecord::Base
     has_many :todo, :dependent => true
+    
+    # Project name must not be empty
+    # and must be less than 255 bytes
+    validates_presence_of :name, :message => "project must have a name"
+    validates_length_of :name, :maximum => 255, :message => "project name must be less than %d"
 end