Release 0.9.11

Gemfile

@@ -40,6 +40,14 @@ platforms :ruby do
   end
 end
 
+platforms :mri_21, :mri_22, :mri_23 do
+  group :development do
+    gem 'derailed_benchmarks'
+    gem 'stackprof'
+    gem 'rack-test'
+  end
+end
+
 if ENV['RAILS_VERSION']
   gem 'rails', ENV['RAILS_VERSION']
 end

sync.rb

@@ -0,0 +1,71 @@
+require 'google/apis/sheets_v4'
+
+class Mapping
+  def initialize
+    @columns = []
+    @primary = nil
+  end
+
+  def add_column(name, property: nil, key: nil, getter: nil, setter: nil, hidden: false, primary: false)
+    getter_fn = getter if getter
+    getter_fn = Proc.new { |obj| obj.send(property) } if property
+    getter_fn = Proc.new { |obj| obj[key] } if key
+    setter_fn = setter if setter
+    setter_fn = Proc.new { |obj, val| obj.send(property + '=') } if property
+    setter_fn = Proc.new { |obj, val| obj[key]= val } if key
+    @columns.push({
+        name: name,
+        getter: getter_fn,
+        setter: setter_fn,
+        hidden: hidden
+    })
+
+    if primary
+      fail "Only one column can be the primary key" unless @primary.nil?
+      @primary = @columns.last
+    end
+  end
+
+  def to_row(obj)
+    @columns.map { |column| column[:accessor].call(obj) }
+  end
+end
+
+class SheetSyncEngine
+  def initialize(mapping, sheet_id: nil)
+    @service = Google::Apis::SheetsV4::SheetsService.new
+    @sheet_id = sheet_id
+    @mapping = mapping
+  end
+
+  def credentials=(creds)
+    @service.authorization = creds
+  end
+
+  def append(items)
+    rows = items.map { |item| @mapping.to_row(item) }
+    puts rows
+  end
+end
+
+class Foo
+  attr_accessor :prop1
+  attr_accessor :prop2
+
+  def initialize(p1, p2)
+    @prop1 = p1
+    @prop2 = p2
+  end
+end
+
+mapping = Mapping.new
+mapping.add_column('foo', property: :prop1)
+mapping.add_column('bar', proc: Proc.new {|o| 'aaa' + o.prop2})
+sync = SheetSyncEngine.new(mapping)
+
+items = []
+items.push(Foo.new('a', 'b'))
+items.push(Foo.new('a1', 'b1'))
+items.push(Foo.new('a2', 'b2'))
+
+sync.append(items)