Class: Jets::Commands::Call::AnonymousGuesser

Inherits:
BaseGuesser
  • Object
show all
Defined in:
lib/jets/commands/call/anonymous_guesser.rb

Instance Method Summary collapse

Methods inherited from BaseGuesser

#class_name, #function_name, #generated_function_name, #initialize, #parent_stack, #stack_resources

Methods included from AwsServices

#apigateway, #aws_lambda, #cfn, #dynamodb, #logs, #s3, #s3_resource, #sns, #sqs, #sts

Methods included from AwsServices::StackStatus

#lookup, #stack_exists?, #stack_in_progress?

Methods included from AwsServices::GlobalMemoist

included

Constructor Details

This class inherits a constructor from Jets::Commands::Call::BaseGuesser

Instance Method Details

#detect_class_name ⇒ Object 



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# File 'lib/jets/commands/call/anonymous_guesser.rb', line 3

def detect_class_name
  found_path = function_paths.find do |path|
    File.exist?("#{Jets.root}/#{path}")
  end

  klass = Jets::Klass.from_path(found_path) if found_path
  klass.to_s
end

#error_message ⇒ Object

Useful to printing out what was attempted to look up



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# File 'lib/jets/commands/call/anonymous_guesser.rb', line 28

def error_message
  guess_paths = function_paths
  puts "Unable to find the function to call."
  if class_name and !method_name
    puts @method_name_error
  else
    puts "Tried: #{guess_paths.join(', ')}"
  end
end

#function_filenames(meth = nil, primary_namespace = nil) ⇒ Object 



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# File 'lib/jets/commands/call/anonymous_guesser.rb', line 38

def function_filenames(meth=nil, primary_namespace=nil)
  guesses = []
  parts = meth.split('_')

  if primary_namespace.nil?
    guesses << meth

    if parts.size == 1 # already on final_primary_namespace
      return guesses # end of recursion
    else
      next_primary_namespace =  parts.first
      guesses += function_filenames(meth, next_primary_namespace) # start of recursion
      return guesses # return early
    end
  end

  next_meth = meth.sub("#{primary_namespace}_", '')
  next_parts = next_meth.split('_')

  # Takes the next_parts and creates guesses with the parts joined by '/'
  # with the primary_namespace prepended.  So if next_parts is
  # ["long", "name", "function"] and primary_namespace is "complex"
  #
  # guesses that get added:
  #
  #   [
  #     "complex/long_name_function",
  #     "complex/long/name_function",
  #     "complex/long/name/function",
  #   ]
  n = next_parts.size + 1
  next_parts.size.times do |i|
    namespace = i == 0 ? nil : next_parts[0..i-1].join('/')
    class_path = next_parts[i..-1].join('_')
    guesses << [primary_namespace, namespace, class_path].compact.join('/')
  end

  final_primary_namespace = parts[0..-2].join('_')
  if primary_namespace == final_primary_namespace
    return guesses # end of recursion
  else
    namespace_size = parts.size - next_parts.size
    next_primary_namespace = parts[0..namespace_size].join('_')
    guesses += function_filenames(meth, next_primary_namespace)
    return guesses
  end
end

#function_paths ⇒ Object 



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# File 'lib/jets/commands/call/anonymous_guesser.rb', line 86

def function_paths
  # drop the last word for starting filename
  starting_filename = @provided_function_name.underscore.split('_')[0..-2].join('_')
  filenames = function_filenames(starting_filename)
  filenames.map do |name|
    "app/functions/#{name}.rb"
  end
end

#method_name ⇒ Object 



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# File 'lib/jets/commands/call/anonymous_guesser.rb', line 12

def method_name
  return @method_name if defined?(@method_name)

  full_function_name = @provided_function_name.underscore
  underscored_class_name = class_name.underscore
  meth = full_function_name.sub("#{underscored_class_name}_","")

  if meth == class_name.constantize.handler.to_s
    @method_name = meth
  else
    @method_name_error = "#{class_name} class found but #{meth} method not found"
    @method_name = nil
  end
end