1 files changed, 46 insertions, 0 deletions
diff --git a/lib/attachment_to_html/attachment_to_html.rb b/lib/attachment_to_html/attachment_to_html.rb
new file mode 100644
index 000000000..2f7c08264
--- /dev/null
+++ b/lib/attachment_to_html/attachment_to_html.rb
@@ -0,0 +1,46 @@
+require 'view'
+
+Dir[File.dirname(__FILE__) + '/adapters/*.rb'].each do |file|
+    require file
+end
+
+module AttachmentToHTML
+    extend self
+
+    def to_html(attachment, opts = {})
+        adapter = adapter_for(attachment).new(attachment, opts)
+
+        unless adapter.success?
+          adapter = fallback_adapter_for(attachment).new(attachment, opts)
+        end
+
+        view = View.new(adapter)
+        view.wrapper = 'wrapper_google_embed' if adapter.is_a?(Adapters::GoogleDocsViewer)
+
+        view.render do
+           opts.fetch(:content_for, []).each do |k,v|
+              inject_content(k) { v }
+           end
+        end
+    end
+
+    private
+
+    def adapter_for(attachment)
+        case attachment.content_type
+        when 'text/plain' then Adapters::Text
+        when 'application/pdf' then Adapters::PDF
+        when 'application/rtf' then Adapters::RTF
+        else
+            fallback_adapter_for(attachment)
+        end
+    end
+
+    def fallback_adapter_for(attachment)
+        if attachment.has_google_docs_viewer?
+            Adapters::GoogleDocsViewer
+        else
+            Adapters::CouldNotConvert
+        end
+    end
+end