use movie/episode airdates for sorting if possible

lib/tivohmo/adapters/plex/episode.rb

@@ -16,7 +16,8 @@ def initialize(delegate)
 
           self.title = delegate.title
           self.modified_at = Time.at(delegate.updated_at.to_i)
-          self.created_at = Time.at(delegate.added_at.to_i)
+          self.created_at = Time.parse(delegate.originally_available_at) rescue nil
+          self.created_at ||= Time.at(delegate.added_at.to_i)
         end
 
         def metadata

lib/tivohmo/adapters/plex/movie.rb

@@ -16,7 +16,8 @@ def initialize(delegate)
 
           self.title = delegate.title
           self.modified_at = Time.at(delegate.updated_at.to_i)
-          self.created_at = Time.at(delegate.added_at.to_i)
+          self.created_at = Time.parse(delegate.originally_available_at) rescue nil
+          self.created_at ||= Time.at(delegate.added_at.to_i)
         end
 
         def metadata

spec/adapters/plex/category_spec.rb

@@ -36,16 +36,16 @@
   describe "#children" do
 
     it "should memoize" do
-      listing = [plex_stub(::Plex::Movie)]
+      listing = [plex_stub(::Plex::Movie, originally_available_at: "2013-01-02")]
       allow(plex_delegate).to receive(:newest).and_return(listing)
       section = described_class.new(plex_delegate, :newest)
       expect(section.children.object_id).to eq(section.children.object_id)
     end
 
     it "should have children" do
       listing = [
-          plex_stub(::Plex::Movie),
-          plex_stub(::Plex::Episode),
+          plex_stub(::Plex::Movie, originally_available_at: "2013-01-02"),
+          plex_stub(::Plex::Episode, originally_available_at: "2013-01-02"),
           plex_stub(::Plex::Show)
       ]
       allow(plex_delegate).to receive(:newest).and_return(listing)
@@ -55,8 +55,8 @@
 
     it "should use category_value for children" do
       listing = [
-          plex_stub(::Plex::Movie),
-          plex_stub(::Plex::Episode),
+          plex_stub(::Plex::Movie, originally_available_at: "2013-01-02"),
+          plex_stub(::Plex::Episode, originally_available_at: "2013-01-02"),
           plex_stub(::Plex::Show)
       ]
       cval = {title: 'Title', key: 'key'}

spec/adapters/plex/episode_spec.rb

@@ -20,7 +20,7 @@
       expect(episode.title).to eq(plex_delegate.title)
       expect(episode.identifier).to eq(plex_delegate.key)
       expect(episode.modified_at).to eq(Time.at(plex_delegate.updated_at))
-      expect(episode.created_at).to eq(Time.at(plex_delegate.added_at))
+      expect(episode.created_at).to eq(Time.parse(plex_delegate.originally_available_at))
     end
 
   end

spec/adapters/plex/movie_spec.rb

@@ -16,7 +16,7 @@
       expect(movie.title).to eq(plex_delegate.title)
       expect(movie.identifier).to eq(plex_delegate.key)
       expect(movie.modified_at).to eq(Time.at(plex_delegate.updated_at))
-      expect(movie.created_at).to eq(Time.at(plex_delegate.added_at))
+      expect(movie.created_at).to eq(Time.parse(plex_delegate.originally_available_at))
     end
 
   end