class ApiTransformer::Routes

Collection of routes

Public Class Methods

new() click to toggle source
# File lib/api_transformer/routes.rb, line 4
def initialize
  @routes = {}
end

Public Instance Methods

add(args) click to toggle source
# File lib/api_transformer/routes.rb, line 8
def add(args)
  pattern, path_params = parse_path_definition(args[:path])

  route = Route.new(
    path_params: path_params,
    options: args[:options],
    block: args[:block],
    failure_handlers: args[:failure_handlers],
    helper_blocks: args[:helper_blocks]
  )

  store_route(args[:method], pattern, route)
end
find(raw_method, path) click to toggle source
# File lib/api_transformer/routes.rb, line 22
def find(raw_method, path)
  method = raw_method.downcase.to_sym
  return unless @routes[method]

  pattern, route = @routes[method].find do |pattern, _|
    path.match(pattern)
  end

  [route, path_params(path, route, pattern)]
end

Private Instance Methods

parse_path_definition(path) click to toggle source
# File lib/api_transformer/routes.rb, line 35
def parse_path_definition(path)
  parts = path.split(/\//)

  pattern_string = parts
    .map { |part| part.match(/^\:/) ? "(.*?)" : part }
    .join("\/")
    .tap { |inner| "^#{inner}$" }

  pattern = Regexp.new("^#{pattern_string}$")

  params = parts
    .select { |part| part.match(/^\:/) }
    .map { |part| part.gsub(/^\:/, "").to_sym }

  [pattern, params]
end
path_params(path, route, pattern) click to toggle source
# File lib/api_transformer/routes.rb, line 52
def path_params(path, route, pattern)
  if pattern
    matches = path.match(pattern)[1..-1]
    Hash[route[:path_params].zip(matches)]
  else
    {}
  end
end
store_route(method, pattern, route) click to toggle source
# File lib/api_transformer/routes.rb, line 61
def store_route(method, pattern, route)
  @routes[method] ||= {}
  @routes[method][pattern] = route
end