First cut at gem plugin, Fan initialization

Rakefile

@@ -12,6 +12,7 @@ begin
     gem.authors = ["Avdi Grimm"]
     gem.add_development_dependency "rspec", ">= 1.2.9"
     gem.add_development_dependency "yard", ">= 0"
+    gem.add_development_dependency "test-construct", "~> 1.2"
     # gem is a Gem::Specification... see http://www.rubygems.org/read/chapter/20 for additional settings
   end
   Jeweler::GemcutterTasks.new

lib/gem-love.rb

@@ -0,0 +1,5 @@
+$:.unshift(File.expand_path(File.dirname(__FILE__)))
+require 'gem-love/note'
+require 'gem-love/fan'
+require 'gem-love/service'
+

lib/gem-love/fan.rb

@@ -0,0 +1,42 @@
+require 'pathname'
+require 'yaml'
+
+module GemLove
+
+  # A Fan is a hacker who loves gems and sends Notes about them to the Service.
+  class Fan
+    attr_reader :name
+    attr_reader :email_address
+
+    def self.load_or_init(ui, options={})
+      home = options.fetch(:home_dir) {
+        ENV.fetch('HOME') {
+          require 'etc'
+          Etc.getpwnam(Etc.getlogin).dir
+        }
+      }
+      home  = Pathname(home)
+
+      config_file = home + '.gem' + 'love.yml'
+
+      fan = if config_file.exist?
+              YAML.load(config_file.to_s)
+            else
+              name  = ui.ask("What is your name?")
+              email = ui.ask("What is your email address?")
+              new(name, email)
+            end
+
+      config_file.dirname.mkpath
+      config_file.open('w+') do |f|
+        YAML.dump(fan, f)
+      end
+      fan
+    end
+
+    def initialize(name, email_address)
+      @name          = name
+      @email_address = email_address
+    end
+  end
+end

lib/gem-love/note.rb

@@ -0,0 +1,10 @@
+module GemLove
+
+  # A little love-note passed from a Fan to a Gem's authors
+  class Note
+    def initialize(gem_name, comment)
+      @gem_name = gem_name
+      @comment  = comment
+    end
+  end
+end

lib/gem-love/service.rb

@@ -0,0 +1,11 @@
+module GemLove
+
+  # A Service collects Notes from Fans and directs them to Gem Authors
+  class Service
+    def initialize(url)
+    end
+
+    def submit_note_from_fan!(note, fan)
+    end
+  end
+end

lib/rubygems_plugin.rb

@@ -0,0 +1,44 @@
+require File.expand_path('gem-love', File.dirname(__FILE__))
+require 'rubygems'
+require 'rubygems/command_manager'
+
+class Gem::Commands::LoveCommand < Gem::Command
+
+  def initialize
+    super('love', "Show your love for a Gem")
+  end
+
+
+  def execute
+    args     = options[:args]
+    comment  = if args.size > 1
+                 args.pop
+               else
+                 "(No comment)"
+               end
+    gem_name = get_one_gem_name
+    note     = GemLove::Note.new(gem_name, comment)
+    fan      = GemLove::Fan.load_or_init(ui)
+    service  = GemLove::Service.new('http://gem-love.avdi.org')
+    service.submit_note_from_fan!(note, fan)
+  end
+
+  def usage
+    "#{program_name} GEM_NAME [COMMENT]"
+  end
+
+  def description
+    <<END
+This command lets you show your appreciation for a Gem.
+END
+  end
+
+  def arguments
+    <<END
+GEM_NAME          Name of the Gem you love
+COMMENT           Your (kind) words about the gem
+END
+  end
+end
+
+Gem::CommandManager.instance.register_command :love

spec/gem-love/fan_spec.rb

@@ -0,0 +1,69 @@
+require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
+require 'construct'
+
+module GemLove
+  describe Fan do
+    include Construct::Helpers
+
+    before :each do
+      @construct = create_construct
+      @ui = stub("UI")
+      @ui.stub(:ask).with(/name/).and_return("Tom Servo")
+      @ui.stub(:ask).with(/email/).and_return("tom@sol.net")
+    end
+
+    after :each do
+      @construct.destroy!
+    end
+
+    context "initialized with no saved user info" do
+      it "should prompt for name and email address" do
+        @ui.should_receive(:ask).with(/name/).
+          and_return("Tom Servo")
+        @ui.should_receive(:ask).with(/email/).
+          and_return("tom@sol.net")
+        fan = Fan.load_or_init(@ui, :home_dir => @construct)
+      end
+
+    end
+
+    context "for a fresh user" do
+      subject { Fan.load_or_init(@ui, :home_dir => @construct) }
+
+      it "should have the entered name" do
+        subject.name.should == "Tom Servo"
+      end
+
+      it "should have the entered email" do
+        subject.email_address.should == "tom@sol.net"
+      end
+
+      it "should save the entered name" do
+        subject                 # force init
+        saved_fan = YAML.load_file((@construct + '.gem' + 'love.yml').to_s)
+        saved_fan.name.should == "Tom Servo"
+      end
+
+      it "should save the entered email" do
+        subject                 # force init
+        saved_fan = YAML.load_file((@construct + '.gem' + 'love.yml').to_s)
+        saved_fan.email_address.should == "tom@sol.net"
+      end
+    end
+
+    context "for a saved user" do
+      before :each do
+        @construct.file ".gem/love.yml" do |f|
+          fan = Fan.new("Crow T Robot", "crow@sol.net")
+          YAML.dump(fan, f)
+        end
+      end
+
+      it "should not prompt the user on init" do
+        @ui.should_not_receive(:ask)
+        Fan.load_or_init(@ui, :home_dir => @construct)
+      end
+    end
+
+  end
+end

spec/gem-love_spec.rb

@@ -1,7 +1,4 @@
 require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
 
 describe "GemLove" do
-  it "fails" do
-    fail "hey buddy, you should probably rename this file and start specing for real"
-  end
 end