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资源说明：A Chargify API wrapper for Ruby using ActiveResource
Chargify API wrapper for Ruby (using ActiveResource)
====================================================
[](http://travis-ci.org/chargify/chargify_api_ares) [](https://codeclimate.com/github/chargify/chargify_api_ares)
This is a community-maintained Ruby wrapper for the [Chargify](https://www.chargify.com) API that leverages ActiveResource.
Though we do not proactively maintain it, Chargify is happy to review pull requests and manage the release process for the gem. We encourage community contributions to make the wrapper even more comprehensive and powerful.
If you notice an endpoint or method that is missing, please feel free to add it by submitting a pull request. We appreciate your support!
**Note:** we have bumped to v1.0.0 to indicate a backwards incompatible change to the responses from `Chargify::Subscription.charge` and `Chargify::Subscription.migrate`. Please see the HISTORY.md for more information.
**Please see important compatibility information at the bottom of this file.**
### Installation
This library can be installed as a gem. It is hosted on [Rubygems](http://rubygems.org).
You can install this library as a gem using the following command:
``` bash
$ gem install chargify_api_ares
```
### Usage
Simply require this library before you use it:
``` ruby
require 'chargify_api_ares'
```
If you're using Rails 3.x, you could include this gem in your Gemfile.
``` ruby
gem 'chargify_api_ares'
```
Install the gem using the following command:
$ bundle install
If you're using Rails 2 you could include this gem in your configuration, i.e. in `environment.rb`
``` ruby
config.gem 'chargify_api_ares'
```
To configure api key, site, domain, and protocol you can do the
following. Please note that this step is required.
#### Most common usage
``` ruby
Chargify.configure do |c|
c.api_key = "your_key_goes_here"
c.subdomain = "test-site"
end
```
#### Overriding the endpoint
``` ruby
Chargify.configure do |c|
c.api_key = "your_key_goes_here"
c.site = "https://test-site.some-domain.com"
end
```
### Available configuration options
| Name | Description | Default | Required |
| ----------------- | ----------------------------------------------------------------------------------- | --------- | -------------------------- |
| api_key | The api_key credentials that are used to access your chargify account. | N/A | Yes |
| subdomain | The subdomain (site name) of the chargify endpoint you are trying to interact with | test | Yes (unless site was used) |
| domain | The domain of the endpoint, in which you want to interact with. | chargify.com | No |
| protocol | The endpoint protocol that you wish to use (http / https) | https | No |
| site | This is meant to override all three of the previous settings eg: http://foo.bar.com | N/A | No |
| format | The format of the request and response type that you want to deal with | xml | No |
| timeout | The time in seconds for a request to be valid. Will raise a timeout error if exceeds time limit. | N/A | No |
Now you'll have access to classes the interact with the Chargify API, such as:
* `Chargify::Product`
* `Chargify::Customer`
* `Chargify::Subscription`
It allows you to interface with the Chargify API using simple ActiveRecord-like syntax, i.e.:
``` ruby
Chargify::Subscription.create(
:customer_reference => 'moklett',
:product_handle => 'chargify-api-ares-test',
:credit_card_attributes => {
:first_name => "Michael",
:last_name => "Klett",
:expiration_month => 1,
:expiration_year => 2010,
:full_number => "1234-1234-1234-1234"
}
)
subscription.credit_card_attributes = { :expiration_year => 2013 }
subscription.save
subscription.cancel
```
##### Note
Updating nested resources is _not_ supported nor recommended. If you wish to update a subscriptions customer please do so by updating the customer object itself.
Bad:
```ruby
subscription = Chargify::Subscription.find(123)
subscription.customer.first_name = 'fred'
subscription.customer.save
```
Good:
```ruby
subscription = Chargify::Subscription.find(123)
customer = Chargify::Customer.find(subscription.customer.id)
customer.first_name = 'fred'
customer.save
```
Check out the examples in the `examples` directory. If you're not familiar with how ActiveResource works, you may be interested in some [ActiveResource Documentation](http://apidock.com/rails/ActiveResource/Base)
### Duplicate Prevention
[Duplicate Prevention](https://docs.chargify.com/api-duplicate-prevention) is supported by including the `uniqueness_token` attribute, for example:
```ruby
subscription = Chargify::Subscription.create(
:product_handle => 'product-with-trial',
:customer_attributes => {
:first_name => "Test",
:last_name => "Customer",
:email => "test@example.com"
},
:uniqueness_token => "abc-123-def-456"
)
```
### Statements PDF retrieving
```ruby
File.open(file_path, 'wb+') do |f|
f.write Chargify::Statement.find_pdf(statement.id)
end
```
### Compatibility
* Rails/ActiveResource 2.3.x, use 0.5.x
* Rails/ActiveResource 3.x, use 0.6 and up
| chargify_api_ares | Rails 2.3.x | Rails 3.0.0 - 3.0.19 | Rails 3.0.20 and up |
| ----------------- | ----------- | -------------------- | ------------------- |
| 0.5.x | OK | Incompatible | OK |
| 0.6.x | Incompatible | OK (Monkey-patched) | OK |
#### The problem with Rails/ActiveResource/ActiveModel 3.0.0 - 3.0.19
Prior to Feb 12, 2013, Chargify would silently refuse to parse XML which
contained data specified as YAML, such as:
```xml
John
```
After Feb 12, 2013, Chargify returns a `400 Bad Request` response if
your XML contains any `type="yaml"` attribute, since there is no valid
reason to send YAML serialized data to Chargify and doing so smells
strongly of an attempt to exploit
[CVE-2013-0156](https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/61bkgvnSGTQ).
However, Rails/ActiveModel versions 3.0.0 to 3.0.19 had a bug (see
) where any nil attribute
would have a `type="yaml"` attribute added during XML serialization.
Using ActiveResource 3.0.0 - 3.0.19 along with 0.5.x or lower of this
gem may result in your sending `type="yaml"` XML to Chargify. Thus, your
requests will be rejected.
Version 0.6.x of this gem will attempt to patch your ActiveModel if you
have an incompatible version. To avoid this patch, you should use
3.0.20 or higher of ActiveResource.
### Contributing
* Check out the latest master to make sure the feature hasn't been
implemented or the bug hasn't been fixed yet
* Check out the [issue
tracker](http://github.com/chargify/chargify_api_ares/issues) to make
sure someone already hasn't requested it and/or contributed it
* Fork the project
* Start a feature/bugfix branch
* Commit and push until you are happy with your contribution
* Make sure to add tests for the feature/bugfix
* Please squash your commits.
* Please try not to mess with the Rakefile, version, or history. If you
want to have your own version, or is otherwise necessary, that is
fine, but please isolate it to its own commit so we can cherry-pick
around it.
### Contributors
We would like to publicly thank [everyone who has contributed](https://github.com/chargify/chargify_api_ares/graphs/contributors) their time
and talents to developing this gem. Thank you!
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