change external feed entry titles to text

closes #CNVS-17774

Change-Id: I558625ca4827c3dd572a40596b14459d2ae3310c
Reviewed-on: https://gerrit.instructure.com/56760
Tested-by: Jenkins
Reviewed-by: Dan Minkevitch <dan@instructure.com>
Product-Review: James Williams  <jamesw@instructure.com>
QA-Review: James Williams  <jamesw@instructure.com>

app/models/external_feed_entry.rb

@@ -18,7 +18,7 @@
 
 class ExternalFeedEntry < ActiveRecord::Base
   include Workflow
-  
+
   belongs_to :user
   belongs_to :external_feed
   belongs_to :asset, :polymorphic => true
@@ -26,34 +26,35 @@ class ExternalFeedEntry < ActiveRecord::Base
 
   before_save :infer_defaults
   validates_presence_of :external_feed_id, :workflow_state
+  validates_length_of :title, :maximum => maximum_text_length, :allow_nil => true, :allow_blank => true
   validates_length_of :message, :maximum => maximum_text_length, :allow_nil => true, :allow_blank => true
   sanitize_field :message, CanvasSanitize::SANITIZE
 
   attr_accessible :title, :message, :source_name, :source_url, :posted_at, :start_at, :end_at, :user, :url, :uuid, :author_name, :author_url, :author_email, :asset
-  
+
   def infer_defaults
     self.uuid ||= Digest::MD5.hexdigest("#{title || rand.to_s}#{posted_at.strftime('%Y-%m-%d') rescue 'no-time'}")
   end
   protected :infer_defaults
-  
+
   def update_feed_attributes(opts)
     self.update_attributes(opts)
     @feed_entry_updated = self.changed?
   end
-  
+
   def entry_changed?
     @feed_entry_updated
   end
-  
+
   workflow do
     state :active do
       event :delete_it, :transitions_to => :deleted
       event :cancel_it, :transitions_to => :cancelled
     end
-    
+
     state :deleted
     state :cancelled
   end
-  
+
   def self.serialization_excludes; [:uuid]; end
 end

db/migrate/20150618143738_change_external_feed_entry_title_to_text.rb

@@ -0,0 +1,11 @@
+class ChangeExternalFeedEntryTitleToText < ActiveRecord::Migration
+  tag :predeploy
+
+  def self.up
+    change_column :external_feed_entries, :title, :text
+  end
+
+  def self.down
+    change_column :external_feed_entries, :title, :string
+  end
+end