Initial commit

Author: unixcharles

LICENSE

@@ -0,0 +1,22 @@
+# Find & Create + Update & Delete
+
+All you need to survive a syncronization project with Google Calendar using GData 2.0 + OAuth 1.0
+
+# Synopsis
+
+    require 'google_calendar'
+    client = GoogleCalendarApiV2::Client.new "teambox.com", "secret", "oauth_token", "oauth_secret"
+
+    calendar = client.calendars.find 'calendar_token' || client.calendars.create { :title => "Teambox" }
+
+    calendar[:title] = 'Teambox calendar'
+
+    calendar.save
+
+    event = calendar.events.find 'calendar_token'
+
+    event[:title] = 'Updated event name'
+    event.save
+
+    event.destroy
+    calendar.destroy

README.md

@@ -0,0 +1,22 @@
+Gem::Specification.new do |s|
+  s.name        = 'google_calendar_api_v2'
+  s.version     = '0.1.0'
+  s.summary     = "Work with Google Calendar using GData 2.0 + OAuth 1.0"
+  s.author      = ['Charles Barbier']
+  s.email       = '[email protected]'
+  s.homepage    = 'http://www.github.com/unixcharles/google_calendar_api_v2'
+
+  s.files        = Dir['README.md', 'LICENSE',
+                       'lib/google_calendar_api_v2.rb',
+                       'lib/google_calendar_api_v2/base.rb',
+                       'lib/google_calendar_api_v2/client.rb',
+                       'lib/google_calendar_api_v2/calendar.rb',
+                       'lib/google_calendar_api_v2/event.rb',
+                       'lib/google_calendar_api_v2/response/base.rb',
+                       'lib/google_calendar_api_v2/response/calendar.rb',
+                       'lib/google_calendar_api_v2/response/event.rb']
+
+  s.require_path = 'lib'
+
+  s.add_runtime_dependency 'oauth'
+end

google_calendar_api_v2.gemspec

@@ -0,0 +1,12 @@
+module GoogleCalendarApiV2
+  autoload :Client,   'google_calendar_api_v2/client'
+  autoload :Base,     'google_calendar_api_v2/base'
+  autoload :Calendar, 'google_calendar_api_v2/calendar'
+  autoload :Event,    'google_calendar_api_v2/event'
+
+  module Response
+    autoload :Base,     'google_calendar_api_v2/response/base'
+    autoload :Calendar, 'google_calendar_api_v2/response/calendar'
+    autoload :Event,    'google_calendar_api_v2/response/event'
+  end
+end

lib/google_calendar_api_v2.rb

@@ -0,0 +1,14 @@
+module GoogleCalendarApiV2
+  module Base
+    attr_reader :connection
+
+    def success?(response)
+      case response.code.to_i
+      when 200, 201
+        true
+      else
+        false
+      end
+    end
+  end
+end

lib/google_calendar_api_v2/base.rb

@@ -0,0 +1,35 @@
+module GoogleCalendarApiV2
+  class Calendar
+    include Base
+
+    attr_reader :events
+
+    def initialize(connection)
+      @connection = connection
+    end
+
+    def find(calendar_token)
+      url = "/calendar/feeds/default/allcalendars/full/#{calendar_token}?alt=jsonc"
+      response = @connection.get url, Client::HEADERS
+      if success? response
+        Response::Calendar.new(response, @connection)
+      end
+    end
+
+    def create(params = {})
+      response = @connection.post '/calendar/feeds/default/owncalendars/full?alt=jsonc',
+      {
+        :data => {
+          :title => "Unnamed calendar",
+          :hidden => false
+        }.merge(params)
+      }.to_json, Client::HEADERS
+
+      if success? response
+        Response::Calendar.new(response, @connection)
+      end
+    end
+
+
+  end
+end

lib/google_calendar_api_v2/calendar.rb

@@ -0,0 +1,21 @@
+require 'oauth'
+
+module GoogleCalendarApiV2
+  class Client
+    attr_reader :connection, :headers, :calendars, :events
+
+    HEADERS = {'Content-Type' => 'application/json', 'GData-Version' => '2.6'}
+
+    # Initialize this class with :consumer_key, :consumer_secret, :token, :token_secret
+    def initialize(consumer_key, consumer_secret, token, token_secret)
+      consumer = OAuth::Consumer.new(consumer_key, consumer_secret, {
+        :site               => "https://www.google.com",
+        :scheme             => :header
+      })
+
+      @connection = OAuth::AccessToken.new(consumer,token, token_secret)
+
+      @calendars = Calendar.new(@connection)
+    end
+  end
+end

lib/google_calendar_api_v2/client.rb

@@ -0,0 +1,38 @@
+module GoogleCalendarApiV2
+  class Event
+    include Base
+
+    attr_reader :calendar
+
+    def initialize(connection, calendar)
+      @connection = connection
+      @calendar = calendar
+    end
+
+    def find(event_token)
+      url = "https://www.google.com/calendar/feeds/#{@calendar.token}/private/full/#{event_token}?alt=jsonc"
+      response = @connection.get url, Client::HEADERS
+
+      if success? response
+        Response::Calendar.new(response, @connection)
+      end
+    end
+
+    def create(params = {})
+      response = @connection.post "/calendar/feeds/#{@calendar.token}/private/full?alt=jsonc",
+      {
+        :data => {
+          :title => "Undefined event",
+          :hidden => false
+        }.merge(params)
+      }.to_json, Client::HEADERS
+
+      if success? response
+        Response::Calendar.new(response, @connection)
+      else
+        response
+      end
+    end
+
+  end
+end

lib/google_calendar_api_v2/event.rb

@@ -0,0 +1,69 @@
+require 'json'
+
+module GoogleCalendarApiV2
+  module Response
+    module Base
+      attr_reader :response, :connection, :attributes
+
+      def initialize(response, connection, parent = nil)
+        @response, @connection = response, connection
+        @attributes = JSON.parse(response.body)['data'] rescue {}
+      end
+
+      def update_attributes(attributes)
+        @attributes.merge!(attributes)
+      end
+
+      def []=(key, value)
+        @attributes[key.to_s]=value
+      end
+
+      def [](key)
+        @attributes[key.to_s]
+      end
+
+      def to_json
+        {
+          "apiVersion" => "2.3",
+          :data => @attributes
+        }.to_json
+      end
+
+      def save
+        res = @connection.put @attributes['selfLink'], self.to_json, GoogleCalendarApiV2::Client::HEADERS
+
+        @attributes = JSON.parse(res.body)['data'] rescue @attributes
+        if success? res
+          true
+        else
+          false
+        end
+      end
+
+      def destroy
+        res = @connection.delete @attributes['selfLink'], GoogleCalendarApiV2::Client::HEADERS.merge({ 'If-Match' => '*' })
+        if success? res
+          true
+        else
+          false
+        end
+      end
+
+      def token
+        @attributes['id'].split('/').last
+      end
+
+      private
+
+      def success?(response)
+        case response.code.to_i
+        when 200, 201
+          true
+        else
+          false
+        end
+      end
+
+    end
+  end
+end

lib/google_calendar_api_v2/response/base.rb

@@ -0,0 +1,14 @@
+module GoogleCalendarApiV2
+  module Response
+    class Calendar
+      include Base
+
+      attr_reader :events
+
+      def initialize(response, connection)
+        super
+        @events = GoogleCalendarApiV2::Event.new(@connection, self)
+      end
+    end
+  end
+end

lib/google_calendar_api_v2/response/calendar.rb

@@ -0,0 +1,15 @@
+module GoogleCalendarApiV2
+  module Response
+    class Event
+      include Base
+
+      attr_reader :calendar
+
+      def initialize(response, connection, calendar)
+        super
+        @calendar = calendar
+      end
+
+    end
+  end
+end