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module Api
module Base
extend ActiveSupport::Concern
included do
require "addressable/uri"
include Virtus.model
extend ActiveModel::Naming
extend ActiveModel::Translation
include ActiveModel::Conversion
include ActiveModel::Validations
end
def persisted?
id.present?
end
def assign_errors(error_data)
error_data[:errors].each do |attribute, attribute_errors|
attribute_errors.each do |error|
self.errors.add(attribute, error)
end
end
end
module ClassMethods
def find(id)
response = Typhoeus.get("#{base_url}/#{id}", headers: {"Accept" => "application/json"})
if response.success?
data = JSON.parse(response.body, symbolize_names: true)
return self.new(data)
else
return nil
end
end
def where(parameters={})
parameters.reject!{ |key, value| value.blank? }
querystring = Addressable::URI.new.tap do |uri|
uri.query_values = parameters
end.query
response = Typhoeus.get("#{base_url}?#{querystring}", headers: {"Accept" => "application/json"})
if response.success?
data = JSON.parse(response.body, symbolize_names: true)
return data.map{ |record| self.new(record) }
else
return nil
end
end
alias_method :all, :where
def create(attributes={})
response = Typhoeus::Request.post(base_url, body: envelope(attributes), headers: {"content-type" => "application/x-www-form-urlencoded"})
data = JSON.parse(response.body, symbolize_names: true)
if response.success?
object = self.new(data)
else
object = self.new(attributes)
object.assign_errors(data) if response.response_code == 422
end
return object
end
def update(id, attributes={})
object = self.new(attributes.merge(id: id))
response = Typhoeus::Request.put("#{base_url}/#{id}", body: envelope(attributes), headers: {"content-type" => "application/x-www-form-urlencoded"})
if response.response_code == 422
data = JSON.parse(response.body, symbolize_names: true)
object.assign_errors(data)
end
return object
end
def destroy(id)
response = Typhoeus::Request.delete("#{base_url}/#{id}")
return response.success?
end
private
def envelope(attributes)
envelope = {}
envelope[self.name.to_s.underscore.downcase] = attributes
return envelope
end
def base_url
Rails.configuration.api_endpoint + "/" + self.name.to_s.underscore.downcase.pluralize
end
end
end
end