Class: Committee::RequestUnpacker

Inherits:
Object
  • Object
show all
Defined in:
lib/committee/request_unpacker.rb

Instance Method Summary collapse

Constructor Details

#initialize(request, options = {}) ⇒ RequestUnpacker

Returns a new instance of RequestUnpacker.



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# File 'lib/committee/request_unpacker.rb', line 5

def initialize(request, options={})
  @request = request

  @allow_form_params  = options[:allow_form_params]
  @allow_get_body     = options[:allow_get_body]
  @allow_query_params = options[:allow_query_params]
  @coerce_form_params = options[:coerce_form_params]
  @optimistic_json    = options[:optimistic_json]
  @schema_validator   = options[:schema_validator]
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/committee/request_unpacker.rb', line 16

def call
  # if Content-Type is empty or JSON, and there was a request body, try to
  # interpret it as JSON
  params = if !@request.media_type || @request.media_type =~ %r{application/(?:.*\+)?json}
    parse_json
  elsif @optimistic_json
    begin
      parse_json
    rescue JSON::ParserError
      nil
    end
  end

  params = if params
    params
  elsif @allow_form_params && %w[application/x-www-form-urlencoded multipart/form-data].include?(@request.media_type)
    # Actually, POST means anything in the request body, could be from
    # PUT or PATCH too. Silly Rack.
    p = @request.POST

    @schema_validator.coerce_form_params(p) if @coerce_form_params

    p
  else
    {}
  end

  if @allow_query_params
    [indifferent_params(@request.GET).merge(params), headers]
  else
    [params, headers]
  end
end