Module: Apipie::DSL::Common

Included in:
Concern, Controller, ResourceDescriptionDsl
Defined in:
lib/apipie/dsl_definition.rb

Instance Method Summary collapse

Instance Method Details

#_apipie_define_validators(description) ⇒ Object 



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# File 'lib/apipie/dsl_definition.rb', line 202

def _apipie_define_validators(description)

  # [re]define method only if validation is turned on
  if description && (Apipie.configuration.validate == true ||
                     Apipie.configuration.validate == :implicitly ||
                     Apipie.configuration.validate == :explicitly)

    _apipie_save_method_params(description.method, description.params)

    unless instance_methods.include?(:apipie_validations)
      define_method(:apipie_validations) do
        method_params = self.class._apipie_get_method_params(action_name)

        if Apipie.configuration.validate_presence?
          method_params.each do |_, param|
            # check if required parameters are present
            raise ParamMissing.new(param.name) if param.required && !params.has_key?(param.name)
          end
        end

        if Apipie.configuration.validate_value?
          method_params.each do |_, param|
            # params validations
            param.validate(params[:"#{param.name}"]) if params.has_key?(param.name)
          end
        end

        # Only allow params passed in that are defined keys in the api
        # Auto skip the default params (format, controller, action)
        if Apipie.configuration.validate_key?
          params.reject{|k,_| %w[format controller action].include?(k.to_s) }.each_key do |param|
            # params allowed
            raise UnknownParam.new(param) if method_params.select {|_,p| p.name.to_s == param.to_s}.empty?
          end
        end

        if Apipie.configuration.process_value?
          @api_params ||= {}
          method_params.each do |_, param|
            # params processing
            @api_params[param.as] = param.process_value(params[:"#{param.name}"]) if params.has_key?(param.name)
          end
        end
      end
    end

    if (Apipie.configuration.validate == :implicitly || Apipie.configuration.validate == true)
      old_method = instance_method(description.method)

      define_method(description.method) do |*args|
        apipie_validations

        # run the original method code
        old_method.bind(self).call(*args)
      end
    end

  end
end

#_apipie_get_method_params(method) ⇒ Object 



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# File 'lib/apipie/dsl_definition.rb', line 267

def _apipie_get_method_params(method)
  @method_params[method]
end

#_apipie_save_method_params(method, params) ⇒ Object 



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# File 'lib/apipie/dsl_definition.rb', line 262

def _apipie_save_method_params(method, params)
  @method_params ||= {}
  @method_params[method] = params
end

#api_versions(*versions) ⇒ Object Also known as: api_version 



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# File 'lib/apipie/dsl_definition.rb', line 136

def api_versions(*versions)
  _apipie_dsl_data[:api_versions].concat(versions)
end

#desc(description) ⇒ Object Also known as: description, full_description

Describe the next method.

Example:

desc "print hello world"
def hello_world
  puts "hello world"
end



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# File 'lib/apipie/dsl_definition.rb', line 149

def desc(description) #:doc:
  return unless Apipie.active_dsl?
  if _apipie_dsl_data[:description]
    raise "Double method description."
  end
  _apipie_dsl_data[:description] = description
end

#document(path) ⇒ Object

describe next method with document in given path in convension, these doc located under “#Rails.root/doc” Example: document “hello_world.md” def hello_world

puts "hello world"

end



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# File 'lib/apipie/dsl_definition.rb', line 166

def document path
  content = File.open(File.join(Rails.root,  Apipie.configuration.doc_path, path)).read
  desc content
end

#error(code_or_options, desc = nil, options = {}) ⇒ Object

Describe possible errors

Example:

error :desc => "speaker is sleeping", :code => 500, :meta => [:some, :more, :data]
error 500, "speaker is sleeping"
def hello_world
  return 500 if self.speaker.sleeping?
  puts "hello world"
end



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# File 'lib/apipie/dsl_definition.rb', line 197

def error(code_or_options, desc=nil, options={}) #:doc:
  return unless Apipie.active_dsl?
  _apipie_dsl_data[:errors] << [code_or_options, desc, options]
end

#formats(formats) ⇒ Object

Describe available request/response formats

formats ['json', 'jsonp', 'xml']



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# File 'lib/apipie/dsl_definition.rb', line 174

def formats(formats) #:doc:
  return unless Apipie.active_dsl?
  _apipie_dsl_data[:formats] = formats
end

#header(header_name, description, options = {}) ⇒ Object

Describe request header.

Headers can't be validated with config.validate_presence = true

Example:

header 'ClientId', "client-id"
def show
  render :text => headers['HTTP_CLIENT_ID']
end



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# File 'lib/apipie/dsl_definition.rb', line 280

def header(header_name, description, options = {}) #:doc
  return unless Apipie.active_dsl?
  _apipie_dsl_data[:headers] << {
    name: header_name,
    description: description,
    options: options
  }
end

#meta(meta) ⇒ Object

Describe additional metadata

meta :author => { :name => 'John', :surname => 'Doe' }



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# File 'lib/apipie/dsl_definition.rb', line 182

def meta(meta) #:doc:
  _apipie_dsl_data[:meta] = meta
end