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rhoconnect-rb Build Status

A ruby library for the RhoConnect App Integration Server.

Using rhoconnect-rb, your application's model data will transparently synchronize with a mobile application built on the Rhodes framework, or any of the available RhoConnect clients. This client includes built-in support for ActiveRecord and DataMapper models.

Getting started

Load the rhoconnect-rb library:

require 'rhoconnect-rb'

Note, if you are using datamapper, install the dm-serializer library and require it in your application. rhoconnect-rb depends on this utility to interact with Rhoconnect applications using JSON.

Setup the Model

Now include Rhoconnectrb::Resource in a model that you want to synchronize with your mobile application:

class Product < ActiveRecord::Base
  include Rhoconnectrb::Resource
end

Or, if you are using DataMapper:

class Product
  include DataMapper::Resource
  include Rhoconnectrb::Resource
end

Partitioning Datasets

Next, your models will need to declare a partition key for rhoconnect-rb. This partition key is used by rhoconnect-rb to uniquely identify the model dataset when it is stored in a rhoconnect instance. It is typically an attribute on the model or related model. rhoconnect-rb supports two types of partitions:

  • :app - No unique key will be used, a shared dataset is synchronized for all users.
  • lambda { some lambda } - Execute a lambda which returns the unique key string.

For example, the Product model above might have a belongs_to :user relationship. This provides us a simple way to organize the Product dataset for rhoconnect by reusing this relationship. The partition identifying a username would be declared as:

class Product < ActiveRecord::Base
  include Rhoconnectrb::Resource

  belongs_to :user

  def partition
		lambda { self.user.username }
  end
end

Now all of the Product data synchronized by rhoconnect will organized by self.user.username. Note: You can also used a fixed key if the dataset doesn't require a dynamic value:

def partition
  :app
end

For more information about Rhoconnect partitions, please refer to the Rhoconnect docs.

Querying Datasets

rhoconnect-rb installs a /rhoconnect/query route in your application which the Rhoconnect instance invokes to query the dataset for the dataset you want to synchronize. This route is mapped to a rhoconnect_query method in your model. This method should return a collection of objects:

class Product < ActiveRecord::Base
  include Rhoconnectrb::Resource

  belongs_to :user

  def partition
		lambda { self.user.username }
  end

  def self.rhoconnect_query(partition, attributes = nil)
    Product.includes(:user).where("users.username = ?", partition)
  end
end

In this example, self.rhoconnect_query returns a list of products where the partition string (provided by the rhoconnect instance) matches the user_id field in the products table.

Configuration and Authentication

Running RhoConnect Manually

Configure RhoConnect in an initializer like config/initializers/rhoconnect.rb (for Rails), or directly in your application (i.e. Sinatra). Here you will setup the rhoconnect uri (the location of your RhoConnect instance), the api_token (see rhoconnect:get_token rake task), and app_endpoint (the location of your ruby app):

config.uri   = "http://myrhoconnect.com"
config.token = "secrettoken"
config.app_endpoint = "http://myapp.heroku.com"

If app_endpoint is defined, your Rhoconnect instance will be configured to query data from the endpoint using the rhoconnect_query method in your model. For example, if your app_endpoint is defined as "http://myapp.heroku.com", RhoConnect will query data with:

POST http://myapp.heroku.com/rhoconnect/query

Example:

Rhoconnectrb.configure do |config|
	config.uri    = "http://localhost:8675"
	config.token  = "mydevtoken"
	config.app_endpoint = "http://localhost:3000"
end

Example with authentication:

rhoconnect-rb installs a /rhoconnect/authenticate route into your application which will receive credentials from the client. Add block which handles the credentials:

Rhoconnectrb.configure do |config|
	config.uri    = "http://localhost:8675"
	config.token  = "mydevtoken"
	config.app_endpoint = "http://localhost:3000"
  config.authenticate = lambda { |credentials|
  	User.authenticate(credentials[:login], credentials[:password])
  }
end

If you're using the RhoConnect Heroku Addon, then you can omit the config.uri and config.token (they are managed for you):

Rhoconnectrb.configure do |config|
	config.app_endpoint = "http://myapp.heroku.com"
  config.authenticate = lambda { |credentials|
    User.authenticate(credentials[:login], credentials[:password])
  }
end

Rhoconnect-rb API

Overview of the API

The Rhoconnectrb::API module contains routes to all the resources available in Rhoconnect. At a high level the API calls take on the following syntax:

Namespace::Resource.verb_action1_action2_...([resource_id,action1_id,action2_id],data)

Some of these values are not used for every API call such as resource_id and data.

System Resource

POST /rc/v1/system/login

data = {:login=>'username',:password=>'password'}
Rhoconnectrb::API::System.post_login(data)

GET /rc/v1/system/license

Rhoconnectrb::API::System.get_license

POST /rc/v1/system/reset

Rhoconnectrb::API::System.post_reset({})

GET /rc/v1/system/appserver

Rhoconnectrb::API::System.get_appserver

POST /rc/v1/system/appserver

data = {:adapter_url=>'http://test.com'}
Rhoconnectrb::API::System.post_appserver(data)

GET /rc/v1/system/stats

data ={:names=>"*sources*"}
Rhoconnectrb::API::System.get_stats(data)

Store Resource

GET /rc/v1/store/:doc

Rhoconnectrb::API::Store.get('docname')

POST /rc/v1/store/:doc

data = {:data=>{:id=3},:append=>false}
Rhoconnectrb::API::Store.post('docname',data)

User Resource

POST /rc/v1/users

data = {:attributes=>{:login=>'login',:password=>'password'}}
Rhoconnectrb::API::Users.post(data)

DELETE /rc/v1/users/:user_id

Rhoconnectrb::API::Users.delete('user_id')

PUT /rc/v1/users/:user_id

data = {:attributes=>{:a_user_specific_attribute => a_user_specific_attribute_value}}
Rhoconnectrb::API::Users.put('user_id',data)

GET /rc/v1/users

Rhoconnectrb::API::Users.get

Get /rc/v1/users/:user_id

Rhoconnectrb::API::Users.get('user_id')

Get /rc/v1/users/:user_id/clients

Rhoconnectrb::API::Users.get_clients(['user_id','client_id'])

DELETE /rc/v1/users/:user_id/clients/:client_id

Rhoconnectrb::API::Users.delete_clients(['user_id','client_id'])

GET /rc/v1/users/:user_id/sources/:source_id/docnames

Rhoconnectrb::API::Users.get_sources_docnames(['user_id','source_id'])

POST /rc/v1/users/ping

data = {
  :api_token => token,
  :user_id => [array_of_users],
  :sources => source_name,
  :message => 'hello world',
  :vibrate => 2000,
  :sound => 'hello.mp3'
}
Rhoconnectrb::API::Users.post_ping(data)

GET /rc/v1/users/:user_id/sources/:source_id/docs/:doc

Rhoconnectrb::API::Users.get_sources_docs(['user_id','source_id','docname'])

POST /rc/v1/users/:user_id/sources/:source_id/docs/:doc

data = {:data=>data,:append=>false}
Rhoconnectrb::API::Users.post_sources_docs(['user_id','source_id','docname'],data)

Read State Resource

POST /rc/v1/read_state/users/:user_id/sources/:source_id

data = {:refresh_time => 100}
Rhconnectrb::API::ReadState.post_users_sources(['user_id','source_id'])

Source Resource

GET /rc/v1/sources/type/:partition_type

Rhoconnectrb::API::Sources.get_type('parition_type')

GET /rc/v1/sources/:source_id

Rhoconnectrb::API::Sources.get('source_id')

PUT /rc/v1/sources/:source_id

data = {:user_name=>'username',:data=>{:poll_interval=>25}}
Rhoconnectrb::API::Sources.put('source_id',data)

Client Resource

GET /rc/v1/clients/:client_id

Rhoconnectrb::API::Clients.get('client_id')

GET /rc/v1/clients/:client_id/sources/:source_id/docnames

Rhoconnectrb::API::Clients.get_sources_docnames(['client_id','source_id'])

POST /rc/v1/clients/:client_id/sources/:source_id/docnames

data = {:data=>data,:append=>false}
Rhoconnectrb::API::Clients.post_sources_docnames(['client_id','source_id'],data)

Resource Resource

The Resource class is used for API calls to user defined dynamic or source adapters. The resource name is passed in as a parameter.

POST /app/v1/:source_name/push_objects

data = {:user_id=>'user_id',:objects=>data}
Rhoconnectrb::API::Resource.post_push_objects('source_name',data)

POST /app/v1/:source_name/push_deletes

data = {:user_id => 'user_id',:objects=>'object_ids'}
Rhoconnectrb::API::Resource.post_push_deletes('source_name',data)

POST /app/v1/:source_name/fast_insert

data = {:user_id=>'user_id',:objects=>data}
Rhoconnectrb::API::Resource.post_fast_insert('source_name',data)

POST /app/v1/:source_name/fast_update

data = {:user_id=>'user_id',:objects=>data}
Rhoconnectrb::API::Resource.post_fast_update('source_name',data)

POST /app/v1/:source_name/fast_delete

data = {:user_id=>'user_id',:objects=>data}
Rhoconnectrb::API::Resource.post_fast_delete('source_name',data)

Meta

Created and maintained by Lucas Campbell-Rossen, Vladimir Tarasov and Lars Burgess.

Released under the MIT License.

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A ruby client library for the RhoConnect App Integration Server

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