Initial project setup

lib/ezdoc/package.rb

@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require "zip"
+
+module Ezdoc
+  class Package
+    def initialize(document)
+      @document = document
+    end
+
+    def save(path)
+      Zip::File.open(path, Zip::File::CREATE) do |zipfile|
+        zipfile.get_output_stream("[Content_Types].xml") { |f| f.write(content_types_xml) }
+        zipfile.get_output_stream("_rels/.rels") { |f| f.write(relationships_xml) }
+        zipfile.get_output_stream("word/_rels/document.xml.rels") { |f| f.write(document_relationships_xml) }
+        zipfile.get_output_stream("word/document.xml") { |f| f.write(document_xml) }
+      end
+    end
+
+    private
+
+    def content_types_xml
+      Xml::ContentTypes.new.to_xml
+    end
+
+    def relationships_xml
+      Xml::Relationships.new.to_xml
+    end
+
+    def document_relationships_xml
+      Xml::DocumentRelationships.new.to_xml
+    end
+
+    def document_xml
+      Xml::DocumentXml.new(@document.content).to_xml
+    end
+  end
+end