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Garb Build Status

http://github.com/Sija/garb

Important Changes

This fork contains heavily modified version of vigetlab's Garb library. It works only with version 3 of Google API.

Please read CHANGELOG

Description

Provides a Ruby API to the Google Analytics API.

https://developers.google.com/analytics/devguides/reporting/core/v3/coreDevguide

Basic Usage

Single User Login

> Garb::Session.api_key = api_key # required for 2-step authentication
> Garb::Session.login(username, password)

OAuth Access Token

> Garb::Session.access_token = access_token # assign from oauth gem

Accounts, WebProperties, Profiles, and Goals

> Garb::Management::Account.all
> Garb::Management::WebProperty.all
> Garb::Management::Profile.all
> Garb::Management::Goal.all

Profiles for a UA- Number (a WebProperty)

> profile = Garb::Management::Profile.all.detect {|p| p.web_property_id == 'UA-XXXXXXX-X'}

Define a Report Class

class Exits
  extend Garb::Model

  metrics :exits, :pageviews
  dimensions :page_path
end

Get the Results

> Exits.results(profile, :filters => {:page_path.eql => '/'})

OR shorthand

> profile.exits(:filters => {:page_path.eql => '/'})

Be forewarned, these numbers are for the last 30 days and may be slightly different from the numbers displayed in Google Analytics' dashboard for 1 month.

Other Parameters

  • start_date: The date of the period you would like this report to start
  • end_date: The date to end, inclusive
  • limit: The maximum number of results to be returned
  • offset: The starting index
  • all: Return all results if true (which might result in several requests to GAPI)

Metrics & Dimensions

Metrics and Dimensions are very complex because of the ways in which they can and cannot be combined.

I suggest reading the google documentation to familiarize yourself with this.

https://developers.google.com/analytics/devguides/reporting/core/dimsmets#q=bouncerate

When you've returned, you can pass the appropriate combinations to Garb, as symbols.

Filtering

Google Analytics supports a significant number of filtering options.

https://developers.google.com/analytics/devguides/reporting/core/v3/reference#filters

Here is what we can do currently: (the operator is a method on a symbol for the appropriate metric or dimension)

Operators on metrics:

eql => '==',
not_eql => '!=',
gt => '>',
gte => '>=',
lt => '<',
lte => '<='

Operators on dimensions:

matches => '==',
does_not_match => '!=',
contains => '=~',
does_not_contain => '!~',
substring => '=@',
not_substring => '!@'

Given the previous Exits example report in shorthand, we can add an option for filter:

profile.exits(:filters => {:page_path.eql => '/extend/effectively-using-git-with-subversion/')

SSL

Version 0.2.3 includes support for real ssl encryption for SINGLE USER authentication. First do:

Garb::Session.login(username, password, :secure => true)

Next, be sure to download http://curl.haxx.se/ca/cacert.pem into your application somewhere. Then, point Garb.ca_cert_file property to that file.

For whatever reason, simply creating a new certificate store and setting the defaults would not validate the google ssl certificate as authentic.

OPEN / READ TIMEOUT

The open and read timeout values used with the network client (Net::HTTP) are configurable. Both values default to 60 seconds.

Garb.open_timeout = 3
Garb.read_timeout = 3

TODOS

  • rebuild AND/OR filtering in Garb::Model

Requirements

  • active_support >= 2.2
  • multi_json >= 1.3

Requirements for Testing

  • shoulda
  • mocha
  • bourne

Install

From git:

`git clone git://github.com/Sija/garb.git`
`cd garb && rake install`

OR with bundler:

gem 'garb', :git => 'git://github.com/Sija/garb.git'
`bundle install`

Contributors

Many Thanks, for all their help, goes to:

  • Patrick Reagan
  • Justin Marney
  • Nick Plante
  • James Cook
  • Chris Gunther

License

(The MIT License)

Copyright (c) 2011 Viget Labs

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.