Class: RESTinPeace::TemplateSanitizer

Inherits:
Object
  • Object
show all
Defined in:
lib/rest_in_peace/template_sanitizer.rb

Defined Under Namespace

Classes: IncompleteParams

Instance Method Summary collapse

Constructor Details

#initialize(url_template, params, klass) ⇒ TemplateSanitizer

Returns a new instance of TemplateSanitizer.



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# File 'lib/rest_in_peace/template_sanitizer.rb', line 9

def initialize(url_template, params, klass)
  @url_template = url_template
  @params = params.dup
  @klass = klass
  @url = nil
end

Instance Method Details

#leftover_params ⇒ Object 



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# File 'lib/rest_in_peace/template_sanitizer.rb', line 36

def leftover_params
  @params.delete_if { |param| tokens.include?(param.to_s) }
end

#tokens ⇒ Object 



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# File 'lib/rest_in_peace/template_sanitizer.rb', line 32

def tokens
  @url_template.scan(%r{:([a-z_]+)}).flatten
end

#url ⇒ Object 



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# File 'lib/rest_in_peace/template_sanitizer.rb', line 16

def url
  return @url if @url
  @url = @url_template.dup
  tokens.each do |token|
    param = @params[token.to_sym]
    param ||= @klass.send(token) if @klass.respond_to?(token)
    raise IncompleteParams, "No parameter for token :#{token} found" unless param
    if @params.include?(token.to_sym)
      @url.sub!(%r{:#{token}}, CGI.escape(param.to_s))
    else
      @url.sub!(%r{:#{token}}, Addressable::URI.parse(param.to_s).normalize.to_s)
    end
  end
  @url
end