Module: Paid::Requester

Defined in:
lib/paid/requester.rb

Class Method Summary collapse

Class Method Details

.delete(url, params, headers) ⇒ Object 



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# File 'lib/paid/requester.rb', line 29

def self.delete(url, params, headers)
  self.request(:delete, url, params, headers)
end

.escape(val) ⇒ Object 



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# File 'lib/paid/requester.rb', line 92

def self.escape(val)
  CGI::escape(val.to_s)
end

.execute_request(opts) ⇒ Object 



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# File 'lib/paid/requester.rb', line 21

def self.execute_request(opts)
  RestClient::Request.execute(opts)
end

.get(url, params, headers) ⇒ Object 



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# File 'lib/paid/requester.rb', line 25

def self.get(url, params, headers)
  self.request(:get, url, params, headers)
end

.post(url, params, headers) ⇒ Object 



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# File 'lib/paid/requester.rb', line 37

def self.post(url, params, headers)
  self.request(:post, url, params, headers)
end

.prepare_params(url, params, method) ⇒ Object 



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# File 'lib/paid/requester.rb', line 41

def self.prepare_params(url, params, method)
  if [:get, :head, :delete].include?(method)
    unless params.empty?
      url += URI.parse(url).query ? '&' : '?' + query_string(params)
    end
    params = nil
  else
    if !RestClient::Payload.has_file?(params)
      params = query_string(params)
    end
  end
  [url, params]
end

.put(url, params, headers) ⇒ Object 



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# File 'lib/paid/requester.rb', line 33

def self.put(url, params, headers)
  self.request(:put, url, params, headers)
end

.query_array(params, key_prefix = nil) ⇒ Object

Three major use cases (and nesting of them needs to be supported):

{ :a => { :b => "bvalue" } }  => ["a[b]=bvalue"]
{ :a => [1, 2] }           => ["a[]=1", "a[]=2"]
{ :a => "value" }          => ["a=value"]



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# File 'lib/paid/requester.rb', line 68

def self.query_array(params, key_prefix=nil)
  ret = []
  params.each do |key, value|
    if params.is_a?(Array)
      value = key
      key = ''
    end
    key_suffix = escape(key)
    full_key = key_prefix ? "#{key_prefix}[#{key_suffix}]" : key_suffix

    if value.is_a?(Hash) || value.is_a?(Array)
      # Handles the following cases:
      #   { :a => { :b => "bvalue" } }  => ["a[b]=bvalue"]
      #   { :a => [1, 2] }           => ["a[]=1", "a[]=2"]
      ret += query_array(value, full_key)
    else
      # Handles the base case with just key and value:
      #   { :a => "value" } => ["a=value"]
      ret << "#{full_key}=#{escape(value)}"
    end
  end
  ret
end

.query_string(params) ⇒ Object 



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# File 'lib/paid/requester.rb', line 55

def self.query_string(params)
  params ||= {}
  if params.any?
    query_array(params).join('&')
  else
    ""
  end
end

.request(method, url, params, headers) ⇒ Object 



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# File 'lib/paid/requester.rb', line 4

def self.request(method, url, params, headers)
  method = method.to_sym
  url, params = prepare_params(url, params, method)
  request_opts = {
    :method => method,
    :url => url,
    :headers => headers,
    :payload => params,

    :verify_ssl => false,
    :open_timeout => 30,
    :timeout => 60
  }

  execute_request(request_opts)
end