Class: Sumomo::Stack::APIGenerator

Inherits:
Object
  • Object
show all
Extended by:
HasIrregularlyNamedFunctions
Defined in:
lib/sumomo/api.rb

Defined Under Namespace

Classes: CorsInfo

Class Method Summary collapse

Instance Method Summary collapse

Methods included from HasIrregularlyNamedFunctions

defi

Constructor Details

#initialize(pretty_print: false, &block) ⇒ APIGenerator 



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# File 'lib/sumomo/api.rb', line 29

def initialize(pretty_print: false, &block)
  @methods = {}
  @cors = CorsInfo.new
  @script = ''
  # defaults
  @cors.apply do
    AllowOrigin '*'
    AllowHeader 'origin'
    AllowHeader 'content-type'
    AllowHeader 'accept'
    AllowHeader 'cache-control'
    AllowHeader 'x-requested-with'
    AllowHeader 'if-modified-since'
  end
  @pretty_print = pretty_print
  instance_eval(&block)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object 



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# File 'lib/sumomo/api.rb', line 47

def method_missing(name, *args, &block)
  name.to_s.split('_').each do |meth|
    valid_methods = %w[GET PUT POST PATCH DELETE HEAD OPTIONS]
    if valid_methods.include?(meth.to_s)
      path = args[0]
      @methods[path] = {} unless @methods.key?(path)

      @methods[path][meth] = { script: args.last, params: args.select { |arg| arg.is_a?(Symbol) && /\A[a-zA-Z\-0-9_]+\Z/.match(arg.to_s) } }
    else
      super
    end
  end
end

Class Method Details

.combine_modules(dest) ⇒ Object 



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# File 'lib/sumomo/api.rb', line 73

def self.combine_modules(dest)
  orig_modules = File.join(Gem.loaded_specs['sumomo'].full_gem_path, 'data', 'sumomo', 'api_modules', 'node_modules')

  `cp -Ra #{orig_modules}/ #{dest}/`
  `cp -Ra node_modules/* #{dest}/`
end

Instance Method Details

#generate ⇒ Object 



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# File 'lib/sumomo/api.rb', line 80

def generate
  pretty_print = if @pretty_print
                   ', null, 2'
                 else
                   ''
                 end

  result = ''

  all_methods = @methods.clone

  # Generate appropriate options methods as well

  @methods.each do |path, resource|
    meths = resource.map { |meth, _info| meth }

    # Insert OPTIONS method if there isn't already one
    next if all_methods[path].key?('OPTIONS')

    all_methods[path]['OPTIONS'] = { script: "              var headers = {}\n              headers[\"Access-Control-Allow-Origin\"] = \#{@cors.allowed_origins.join(',').inspect}\n              headers[\"Access-Control-Request-Method\"] = '*'\n              headers[\"Access-Control-Allow-Methods\"] = '\#{meths.join(', ')}'\n              headers[\"Access-Control-Allow-Headers\"] = \#{@cors.allowed_headers.join(',').inspect}\n\n              respond_with({methods: \#{meths.inspect}}, 200, headers)\n    SCRIPT\n  end\n\n  all_methods.each do |path, resource|\n    resource.each do |method, method_info|\n      parameter_list = method_info[:params].join(', ')\n      parameter_call_list = method_info[:params].map { |parm| \"params['\#{parm}']\" }.join(', ')\n\n      result += <<-SCRIPT\n\n    router.\#{method.downcase}('\#{path}', prepare(function (event, callback) {\n\nvar retval = {};\n\nvar bodyParameters = parseQuery(event.body);\n\nvar params = merge(event.queryStringParameters || {}, event.pathParameters || {});\nparams = merge(params, bodyParameters);\n\nfunction respond_with(response_object, response_status, response_headers)\n{\n  var headers = {}\n  headers[\"Content-Type\"] = \"application/json; charset=utf-8\"\n  headers[\"Access-Control-Allow-Origin\"] = \#{@cors.allowed_origins.join(',').inspect}\n\n  if (response_headers)\n  {\n      for(var key in response_headers)\n      {\n          headers[key] = response_headers[key];\n      }\n  }\n\n  var response = {\n    statusCode: response_status || 200,\n    headers: headers,\n    body: JSON.stringify(response_object\#{pretty_print})\n  };\n\n  return callback(null, response);\n}\n\nvar retval = function (\#{parameter_list}) {\n  \#{method_info[:script]}\n}( \#{parameter_call_list} );\n\n    }));\n\n      SCRIPT\n    end\n  end\n  result\nend\n", params: [] }

#init_script ⇒ Object 



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# File 'lib/sumomo/api.rb', line 69

def init_script
  @script
end