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Gattica gets data from Google Analytics API. Simple to use.

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README.md

This Fork

Deviantech's fork of the Gattica gem has the following modifications:

  • Authentication by token actually works

Gattica

Gattica is an easy to use Gem for getting data from the Google Analytics API.

Features

  • Supports: metrics, dimensions, sorting, filters, goals, and segments.
  • Handles accounts with over 1000 profiles
  • Returns data as: hash, json, CSV

How to export Google Analytics data using Ruby (Links to my blog post on Seer Interactive)


Quick Start

Here are bare basics to get you up and running.

Installation

Add Gattica to your Gemfile

gem 'gattica', :git => 'git://github.com/chrisle/gattica.git'

Don't forget to bundle install:

$ bundle install

Login, get a list of accounts, pick an account, and get data:

# Include the gem
require 'gattica'

# Login
ga = Gattica.new({ 
    :email => 'email@gmail.com', 
    :password => 'password'
})

# Get a list of accounts
accounts = ga.accounts

# Choose the first account
ga.profile_id = accounts.first.profile_id

# Get the data
data = ga.get({ 
    :start_date   => '2011-01-01',
    :end_date     => '2011-04-01',
    :dimensions   => ['month', 'year'],
    :metrics      => ['visits', 'bounces'],
})

# Show the data
puts data.inspect

General Usage

Create your Gattica object

ga = Gattica.new({ :email => 'email@gmail.com', :password => 'password' })
puts ga.token   # => returns a big alpha-numeric string

Query for accounts you have access to

# Retrieve a list of accounts
accounts = ga.accounts

# Show information about accounts
puts "---------------------------------"
puts "Available profiles: " + accounts.count.to_s
accounts.each do |account|
  puts "   --> " + account.title
  puts "   last updated: " + account.updated.inspect
  puts "   web property: " + account.web_property_id
  puts "     profile id: " + account.profile_id.inspect
  puts "          goals: " + account.goals.count.inspect
end

Set which profile Gattica needs to use

# Tell Gattica to query profile ID 5555555
ga.profile_id = 5555555 

Get data from Google Analytics

The Get method will get data from Google Analytics and return Gattica::DataSet type.

Here's an example:

# Get the number of visitors by month from Jan 1st to April 1st.
data = ga.get({ 
    :start_date   => '2011-01-01',
    :end_date     => '2011-04-01',
    :dimensions   => ['month', 'year'],
    :metrics      => ['visitors']
})

Using Dimension & Metrics

Here are some additional examples that illustrate different things you can do with dimensions and metrics.

Sorting

# Sorting by number of visits in descending order (most visits at the top)
data = ga.get({ 
    :start_date   => '2011-01-01',
    :end_date     => '2011-04-01',
    :dimensions   => ['month', 'year'],
    :metrics      => ['visits']
    :sort         => ['-visits'],
})

Limiting results

# Limit the number of results to 25.
data = ga.get({ 
    :start_date   => '2011-01-01',
    :end_date     => '2011-04-01',
    :dimensions   => ['month', 'year'],
    :metrics      => ['visits']
    :max_results  => 25 
})

Results as a Hash

my_hash = data.to_h['points']

# => 
#   [{
#     "xml"         => "<entry gd:etag=\"W/&quot;....  </entry>", 
#     "id"          => "http://www.google.com/analytics/feeds/data?...", 
#     "updated"     => Thu, 31 Mar 2011 17:00:00 -0700, 
#     "title"       => "ga:month=01 | ga:year=2011", 
#     "dimensions"  => [{:month=>"01"}, {:year=>"2011"}], 
#     "metrics"     => [{:visitors=>6}]
#   },
#   {
#     "xml"         => ...
#     "id"          => ...
#     "updated"     => ...
#     ...
#   }]

JSON formatted string

# Return data as a json string. (Useful for NoSQL databases)
my_json = data.to_h['points'].to_json

# => 
#   "[{
#       \"xml\":\"<entry> .... </entry>\",
#       \"id\":\"http://www.google.com/analytics/feeds/data? ...",
#       \"updated\":\"2011-03-31T17:00:00-07:00\",
#       \"title\":\"ga:month=01 | ga:year=2011\",
#       \"dimensions\":[{\"month\":\"01\"},{\"year\":\"2011\"}],
#       \"metrics\":[{\"visitors\":6}]
#     },
#     { 
#       \"xml\":\"<entry> .... </entry>\",
#       \"id\":\"http://www.google.com/analytics/feeds/data? ...",
#       ...
#   }]"

CSV formatted string

# Return the data in CSV format.  (Useful for using in Excel.)

# Short CSV will only return your dimensions and metrics:
short_csv = data.to_csv(:short)   

# => "month,year,visitors\n\n01,2011, ...."

# Long  CSV will get you a few additional columns:
long_csv = data.to_csv            

# => "id,updated,title,month,year,visitors\n\nhttp:// ..."

DIY formatting

# You can work directly with the 'point' method to return data.
data.points.each do |data_point|
  month = data_point.dimensions.detect { |dim| dim.key == :month }.value
  year = data_point.dimensions.detect { |dim| dim.key == :year }.value
  visitors = data_point.metrics.detect { |metric| metric.key == :visitors }.value
  puts "#{month}/#{year} got #{visitors} visitors"
end

# => 
#   01/2011 got 34552 visitors
#   02/2011 got 36732 visitors
#   03/2011 got 45642 visitors
#   04/2011 got 44456 visitors

Using Filter, Goals, and Segments

Learn more about filters: Google Data feed filtering reference

Get profiles with goals

# Get all the profiles that have goals
profiles_with_goals = accounts.select { |account| account.goals.count > 0 }

# => 
#   [{
#     "id"                => "http://www.google.com/analytics/feeds/accounts/ga:...",
#     "updated"           => Mon, 16 May 2011 16:40:30 -0700, 
#     "title"             => "Profile Title", 
#     "table_id"          => "ga:123456", 
#     "account_id"        => 123456, 
#     "account_name"      => "Account name", 
#     "profile_id"        =>  123456, 
#     "web_property_id"   => "UA-123456-3", 
#     "goals"=>[{
#         :active   => "true", 
#         :name     => "Goal name", 
#         :number   => 1, 
#         :value    => 0.0
#     }]
#   }, 
#   {
#     "id"                => "http://www.google.com/analytics/feeds/accounts/ga:...",
#     "updated"           => Mon, 16 May 2011 16:40:30 -0700, 
#     "title"             => "Profile Title", 
#     ...
#   }]

List available segments

# Get all the segments that are available to you
segments = ga.segments

# Segments with negative gaid are default segments from Google. Segments
# with positive gaid numbers are custom segments that you created.
# =>
#   [{
#     "id"          => "gaid::-1", 
#     "name"        => "All Visits", 
#     "definition"  => " "
#   }, 
#   {
#     "id"          => "gaid::-2", 
#     "name"        => "New Visitors", 
#     "definition"  => "ga:visitorType==New Visitor"
#   }, 
#   {
#     "id"          => ... # more default segments
#     "name"        => ...
#     "definition"  => ...
#   },
#   {
#     "id"          => "gaid::12345678", 
#     "name"        => "Name of segment", 
#     "definition"  => "ga:keyword=...."
#   }, 
#   {
#     "id"          => ... # more custom segments
#     "name"        => ...
#     "definition"  => ...
#   }]

Query by segment

# Return visits and bounces for mobile traffic 
# (Google's default user segment gaid::-11)

mobile_traffic = ga.get({ 
  :start_date   => '2011-01-01', 
  :end_date     => '2011-02-01', 
  :dimensions   => ['month', 'year'],
  :metrics      => ['visits', 'bounces'],
  :segment      => ['gaid::-11']
})

Filtering

Filters are boolean expressions in strings. Here's an example of an equality:

# Filter by Firefox users
firefox_users = ga.get({
  :start_date   => '2010-01-01', 
  :end_date     => '2011-01-01',
  :dimensions   => ['month', 'year'],
  :metrics      => ['visits', 'bounces'],
  :filters      => ['browser == Firefox']
})

Here's an example of greater-than:

# Filter where visits is >= 10000
lots_of_visits = ga.get({
  :start_date   => '2010-01-01', 
  :end_date     => '2011-02-01',
  :dimensions   => ['month', 'year'],
  :metrics      => ['visits', 'bounces'],
  :filters      => ['visits >= 10000']
})

Multiple filters is an array. Currently, they are only joined by 'AND'.

# Firefox users and visits >= 10000
firefox_users_with_many_pageviews = ga.get({
  :start_date   => '2010-01-01', 
  :end_date     => '2011-02-01',
  :dimensions   => ['month', 'year'],
  :metrics      => ['visits', 'bounces'],
  :filters      => ['browser == Firefox', 'visits >= 10000']
})

Even More Examples!

Top 25 keywords that drove traffic

Output the top 25 keywords that drove traffic to your website in the first quarter of 2011.

# Get the top 25 keywords that drove traffic
data = ga.get({ 
  :start_date => '2011-01-01',
  :end_date => '2011-04-01',
  :dimensions => ['keyword'],
  :metrics => ['visits'],
  :sort => ['-visits'],
  :max_results => 25 
})

# Output our results
data.points.each do |data_point|
  kw = data_point.dimensions.detect { |dim| dim.key == :keyword }.value
  visits = data_point.metrics.detect { |metric| metric.key == :visits }.value
  puts "#{visits} visits => '#{kw}'"
end

# =>
#   19667 visits => '(not set)'
#   1677 visits => 'keyword 1'
#   178 visits => 'keyword 2'
#   165 visits => 'keyword 3'
#   161 visits => 'keyword 4'
#   112 visits => 'keyword 5'
#   105 visits => 'seo company reviews'
#   ...

Additional Options & Settings

Setting HTTP timeout

If you have a lot of profiles in your account (like 1000+ profiles) querying for accounts may take over a minute. Net::HTTP will timeout and an exception will be raised.

To avoid this, specify a timeout when you instantiate the Gattica object:

ga = Gattica.new({ 
    :email => 'email@gmail.com', 
    :password => 'password',
    :timeout => 600  # Set timeout for 10 minutes!
})

The default timeout is 300 seconds (5 minutes). Change the default in: lib/gattica/settings.rb

For reference 1000 profiles with 2-5 goals each takes around 90-120 seconds.

Reusing a session token

You can reuse an older session if you still have the token string. Google recommends doing this to avoid authenticating over and over.

my_token = ga.token # => 'DSasdf94...'

# Sometime later, you can initialize Gattica with the same token
ga = Gattica.new({ :token => my_token })

If your token times out, you will need to re-authenticate.

Specifying your own headers

Google expects a special header in all HTTP requests called 'Authorization'. Gattica handles this header automatically. If you want to specify your own you can do that when you instantiate Gattica:

ga = Gattica.new({
    :token => 'DSasdf94...', 
    :headers => {'My-Special-Header':'my_custom_value'}
})

History

Version history

0.4.4

  • Added a configuration file to unit tests
  • Removed version.rb. Not needed. (thanks John McGrath see: github.com/john)
  • Migrated examples and rewrote README file

0.4.3

  • FIXED: Typo in start-index parameter
  • Refactored Engine class into it's own file.
  • Began to re-style code to wrap at 80 characters
  • Added some unit tests

0.4.2

  • Added Ruby 1.9 support (Thanks @mathieuravaux https://github.com/mathieuravaux)
  • Uses hpricot 0.8.4 now. 0.8.3 segfaults.
  • Added ability to change the timeout when requesting analytics from Google
  • Added the ability to use max_results

0.3.2.scottp

  • scottp Added Analytics API v2 header, and basic support for "segment" argument.

0.3.2

  • er1c updated to use standard Ruby CSV library

0.3.0

  • Support for filters (filters are all AND'ed together, no OR yet)

0.2.1

  • More robust error checking on HTTP calls
  • Added to_xml to get raw XML output from Google

0.2.0 / 2009-04-27

  • Changed initialization format: pass a hash of options rather than individual email, password and profile_id
  • Can initialize with a valid token and use that instead of requiring email/password each time
  • Can initialize with your own logger object instead of having to use the default (useful if you're using with Rails, initialize with RAILS_DEFAULT_LOGGER)
  • Show error if token is invalid or expired (Google returns a 401 on any HTTP call)
  • Started tests

0.1.4 / 2009-04-22

  • Another attempt at getting the gem to build on github

0.1.3 / 2009-04-22

  • Getting gem to build on github

0.1.2 / 2009-04-22

  • Updated readme and examples, better documentation throughout

0.1.1 / 2009-04-22

  • When outputting as CSV, surround each piece of data with double quotes (appears pretty common for various properties (like Browser name) to contain commas

0.1.0 / 2009-03-26

  • Basic functionality working good. Can't use filters yet.

Maintainer history

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