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Use this gem if you're using Rails. If you're not using Rails, then use apisync-ruby gem.
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 Dependencies

Development

~> 1.15
>= 0
~> 5.0
~> 10.0
~> 3.5

Runtime

 Project Readme

apisync-rails

This gem gives you the tools to keep your product models synchronized with ApiSync.

  • DSL: built-in DSL for ActiveRecord models that pushes your data automatically to apisync.io.
  • Sidekiq: when Sidekiq is present, this gem will push data asynchronously. Otherwise, it will fallback to pushing data synchronously. We strongly recommend using Sidekiq so errors are handled automatically for you.

If you're not using Rails with ActiveRecord, please use apisync-ruby instead.

Installation

Add this line to your application's Gemfile:

gem 'apisync-rails'

And then execute:

$ bundle

Usage

Step 1: API Key: in config/initializers/apisync.rb, define your key:

Apisync.api_key = ENV["APISYNC_API_KEY"];

Step 2: setup your models: you need to define which attributes in your product models map to the attributes in ApiSync.

Some attributes are required. See the API reference for details.

class Product < ActiveRecord::Base
  apisync do
    # should the current item be synchronized?
    # remove it to always sync all items
    sync_if :should_sync?

    # Required attributes
    attribute :ad_template_type, from: :category
    attribute :available,        from: :active?
    attribute :content_language, value: "pt-br"

    # Recommended attributes
    attribute :brand,        from: :manufacturer
    attribute :condition,    from: :normalize_condition
    attribute :description
    attribute :images
    attribute :link
    attribute :model
    attribute :price
    attribute :reference_id, from: :id # optional, defaults to :id
    attribute :title
    attribute :year

    # Custom attributes
    custom_attribute :city, identifier: 'city-name',  label: 'City name'
  end

  private

  def should_sync?
    true
  end

  # required format (see reference docs)
  def images
    [{
      url: "https://page.com/image1.jpg",
      order: 1
    }, {
      url: "https://page.com/image2.jpg",
      order: 2
    }]
  end

  # required format (see reference docs)
  def price
    {
      amount: 1234, # equivalent to R$12,34
      currency: "BRL"
    }
  end

  # Custom attribute
  def city
    self.address.city
  end
end

Step 3: test on the console: on the Rails console, try saving the model. The request and response should show up.

You can turn off these logs, use Apisync.verbose = false.

Explanation

sync_if defines if the item should be synchronized. The method with the name of the symbol will be called. When true, the item will be saved on ApiSync. Remove this if you always want to push to ApiSync (recommended).

attribute specifies one value to be sent to ApiSync. Pass the attribute name as parameter, e.g attribute :brand.

from specifies what method has the values for the respective attribute. If you leave it blank then we'll default to the attribute name, e.g attribute :brand will call def brand whereas attribute :brand, from: :manufacturer will call def manufacturer.

value specifies a value for the respective attribute. Ideal for values that don't change.

custom_attribute allows you to specify an attribute that is not part of the documentation. You can use these to create richer ad templates.

Reference ID

The reference_id attribute is extremely important. We use the attribute to keep track of the record's state. The first time a record is sent, ApiSync creates it and saves the reference id. The second time a record is sent it knows that it only needs to be updated, not created. If you omit reference_id, we will keep creating the same record over and over.

By default, reference_id is set to whatever id value is. You can customize it, e.g attribute :reference_id, from: :my_custom_id.

Failed requests

A warning will be logged (Rails.logger.warn) whenever a request fails.

In asynchronous cases (e.g Sidekiq), an exception will be raised (Apisync::RequestFailed) so jobs can be retried.

Note on callbacks

This gem uses Rails' callbacks to trigger synchronization. If you're bypassing methods like after_commit, no data will be sent to ApiSync. For example, update_attribute doesn't perform validations checks, so please use update_attributes instead.

TooManyRequests

When too many simultaneous requests are being made, a 429 status code will be returned from the server to indicate to the client to slow down.

When using Sidekiq, this lib's algorithm will automatically throttle (slow down) the requests. When not using any queue gem, Apisync::TooManyRequests exception will be raised and you will have to catch it, therefore we strongly recommend using Sidekiq.

Without Sidekiq, an ActiveRecord's after_commit callback is used so the exception shouldn't prevent your record from being saved to the database, but you have to rescue it manually.

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/apisync/apisync-rails.

License

The gem is available as open source under the terms of the MIT License.