Sift Science Ruby bindings

Requirements

• Ruby 1.9.3 or above.

Installation

If you want to build the gem from source:

$ gem build sift.gemspec

Alternatively, you can install the gem from rubygems.org:

gem install sift

Usage

Creating a Client:

require "sift"

Sift.api_key = '<your_api_key_here>'
Sift.account_id = '<your_account_id_here>'
client = Sift::Client.new()

##### OR

client = Sift::Cient.new(api_key: '<your_api_key_here>', account_id: '<your_account_id_here>'

Sending a transaction event

event = "$transaction"

user_id = "23056"  # User ID's may only contain a-z, A-Z, 0-9, =, ., -, _, +, @, :, &, ^, %, !, $

properties = {
 "$user_id" => user_id,
  "$user_email" => "[email protected]",
  "$seller_user_id" => "2371",
  "seller_user_email" => "[email protected]",
  "$transaction_id" => "573050",
  "$payment_method" => {
    "$payment_type"    => "$credit_card",
    "$payment_gateway" => "$braintree",
    "$card_bin"        => "542486",
    "$card_last4"      => "4444"
  },
  "$currency_code" => "USD",
  "$amount" => 15230000,
}

response = client.track(event, properties)

response.ok?  # returns true or false
response.body  # API response body
response.http_status_code  # HTTP response code, 200 is ok.
response.api_status  # status field in the return body, Link to Error Codes
response.api_error_message  # Error message associated with status Error Code

# Request a score for the user with user_id 23056
response = client.score(user_id)

Decisions

To learn more about the decisions endpoint visit our developer docs.

List of Configured Decisions

Get a list of your decisions.

Optional Params

• entity_type: :user or :order
• abuse_types: ["payment_abuse", "content_abuse", "content_abuse", "account_abuse", "legacy"]

Returns

A Response object

Example:

# fetch a list of all your decisions
response = client.decisions({
  entity_type: :user,
  abuse_types: ["payment_abuse", "content_abuse"]
})

# Check that response is okay.
unless response.ok?
  raise "Unable to fetch decisions #{response.api_error_message} " +
    "#{response.api_error_description}"
end

# find a decisions with the id "block_bad_user"
user_decision = response.body["data"].find do |decision|
  decision["id"] == "block_bad_user"
end

# Get the next page

if response.body["has_more"]
  client.decisions(response.body)
end

Apply a decision

Applies a decision to an entity. Visit our developer docs for more information.

Required Params:

• decision_id, source, user_id

Other Params

• order_id: when applying a decision to an order, you must pass in the order_id
• analyst: when source is set to manual_review, this field is required

Returns Response object.

Examples:

# apply decision to a user
response = client.apply_decision_to({
  decision_id: "block_bad_user",
  source: "manual_review",
  analyst: "bob@your_company.com",
  user_id: "[email protected]"
})

# apply decision to "[email protected]"'s order
response = client.apply_decision_to({
  decision_id: "block_bad_order",
  source: "manual_review",
  analyst: "bob@your_company.com",
  user_id: "[email protected]",
  order_id: "ORDER_1234"
})

# Make sure you handle the response after applying a decision:

if response.ok?
  # do stuff
else
  # Error message
  response.api_error_message

  # Summary of the error
  response.api_error_description

  # hash of errors:
  #  key: field in question
  #  value: description of the issue
  response.api_error_issues
end

Sending a Label

# Label the user with user_id 23056 as Bad with all optional fields
response = client.label(user_id, {
  "$is_bad" => true,
  "$abuse_type" => "payment_abuse",
  "$description" => "Chargeback issued",
  "$source" => "Manual Review",
  "$analyst" => "analyst.name@your_domain.com"
})

# Get the status of a workflow run
response = client.get_workflow_status('my_run_id')

# Get the latest decisions for a user
response = client.get_user_decisions('example_user_id')

# Get the latest decisions for an order
response = client.get_order_decisions('example_order_id')

Response Object

All requests to our apis will return a Response instance.

Public Methods:

• ok? returns true when the response is a 200-299, false if it isn't
• body returns a hash representation of the json body returned.
• api_error_message returns a string describing the api error code.
• api_error_description a summary of the error that occured.
• api_error_issues a hash describing the items the error occured. The key is the item and the value is the description of the error.

Building

Building and publishing the gem is captured by the following steps:

$ gem build sift.gemspec
$ gem push sift-<current version>.gem

$ bundle
$ rake -T
$ rake build
$ rake install
$ rake release

Testing

To run the various tests use the rake command as follows:

$ rake spec