Class: Mayu::Configuration

Inherits:
T::Struct
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/mayu/configuration.rb

Defined Under Namespace

Classes: Instance, Metrics, Paths, Server

Constant Summary collapse

CONFIG_FILE = 
"mayu.toml"

Class Method Summary collapse

Class Method Details

.colorize_value(value) ⇒ Object 



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# File 'lib/mayu/configuration.rb', line 167

def self.colorize_value(value)
  if color = value_color(value).nonzero?
    "\e[#{color}m#{value.inspect}\e[0m"
  else
    value.inspect
  end
end

.load_config(mode, pwd: Dir.pwd, overrides: {}) ⇒ Object 



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# File 'lib/mayu/configuration.rb', line 95

def self.load_config(mode, pwd: Dir.pwd, overrides: {})
  file = resolve_config_file(pwd)
  root = File.dirname(file)

  config =
    T.cast(
      TomlRB.load_file(file),
      T::Hash[String, T::Hash[String, T.untyped]]
    )

  base_config = config.dig("base") || {}
  env_config = config.dig(mode.to_s) || {}

  merged_config = base_config.merge(env_config).merge(overrides)

  secret_key =
    merged_config.fetch("secret_key") do
      ENV.fetch("MAYU_SECRET_KEY") do
        raise "secret_key is not configured (can be set with env var MAYU_SECRET_KEY)"
      end
    end

  from_hash!(
    {
      **merged_config,
      "root" => root,
      "secret_key" => secret_key,
      "mode" => mode
    }
  )
end

.log_config(configuration) ⇒ Object 



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# File 'lib/mayu/configuration.rb', line 128

def self.log_config(configuration)
  Console.logger.info(self) { make_table(configuration) }
end

.make_table(configuration, style: { all_separators: true, border: :unicode }) ⇒ Object 



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# File 'lib/mayu/configuration.rb', line 138

def self.make_table(
  configuration,
  style: { all_separators: true, border: :unicode }
)
  Terminal::Table
    .new do |t|
      t.headings = %w[key value type].map { "\e[1m#{_1}\e[0m" }
      t.style = style

      configuration.class.props.each do |prop, opts|
        value =
          if prop.to_s.start_with?("secret_")
            "\e[2m***hidden***\e[0m"
          else
            case configuration.send(prop)
            in T::Struct => struct
              make_table(struct, style: { border: :unicode_round })
            in other
              colorize_value(other)
            end
          end

        t.add_row([prop, value, opts[:type].to_s.delete_prefix("Mayu::")])
      end
    end
    .to_s
end

.resolve_config_file(dir = Dir.pwd) ⇒ Object 



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# File 'lib/mayu/configuration.rb', line 74

def self.resolve_config_file(dir = Dir.pwd)
  path = File.join(dir, CONFIG_FILE)

  return path if File.file?(path)

  parent = File.expand_path("..", dir)

  if dir == parent
    raise "Could not find #{CONFIG_FILE} in any parent directory."
  end

  resolve_config_file(parent)
end

.value_color(value) ⇒ Object 



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# File 'lib/mayu/configuration.rb', line 176

def self.value_color(value)
  case value
  when FalseClass
    31
  when TrueClass
    32
  when String
    33
  when Numeric
    34
  when Symbol
    36
  when nil
    2
  else
    0
  end
end