fixed saving and reloading after recent changes

README.md

@@ -0,0 +1,22 @@
+## CarrierWave for Neo4j
+
+This gem adds support for Neo4j to CarrierWave, see the CarrierWave documentation for more detailed usage instructions.
+
+### Installation Instructions
+
+Add to your Gemfile:
+
+```ruby
+gem 'carrierwave-neo4j', require: 'carrierwave/neo4j', github: 'dpisarewski/carrierwave-neo4j'
+```
+Use it like this:
+
+```ruby
+class Asset
+  include Neo4j::ActiveNode
+  extend CarrierWave::Neo4j
+
+  property :attachment, type: String
+  mount_uploader :attachment, AttachmentUploader
+end
+```

lib/carrierwave/neo4j.rb

@@ -2,6 +2,7 @@
 require "neo4j"
 require "carrierwave"
 require "carrierwave/validations/active_model"
+require "carrierwave/neo4j/uploader_converter"
 
 module CarrierWave
   module Neo4j
@@ -11,10 +12,10 @@ module Neo4j
     # See +CarrierWave::Mount#mount_uploader+ for documentation
     #
     def mount_uploader(column, uploader = nil, options = {}, &block)
-      property column
-
       super
 
+      serialize column, ::CarrierWave::Uploader::Base
+
       include CarrierWave::Validations::ActiveModel
 
       validates_integrity_of  column if uploader_option(column.to_sym, :validate_integrity)
@@ -43,6 +44,13 @@ def read_uploader(name)
         def write_uploader(name, value)
           send(:attribute=, name.to_s, value)
         end
+
+        def reload_from_database
+          if reloaded = self.class.load_entity(neo_id)
+            send(:attributes=, reloaded.attributes.reject{ |k,v| v.is_a?(::CarrierWave::Uploader::Base) })
+          end
+          reloaded
+        end
       RUBY
     end
   end

lib/carrierwave/neo4j/uploader_converter.rb

@@ -0,0 +1,19 @@
+module Neo4j::Shared
+  module TypeConverters
+    class UploaderConverter
+      class << self
+        def convert_type
+          ::CarrierWave::Uploader::Base
+        end
+
+        def to_db(value)
+          value.identifier
+        end
+
+        def to_ruby(value)
+          value
+        end
+      end
+    end
+  end
+end