Class: Dry::Web::Settings

Inherits:
Object
  • Object
show all
Defined in:
lib/dry/web/settings.rb

Constant Summary collapse

SettingValueError = 
Class.new(StandardError)

Class Method Summary collapse

Class Method Details

.load(root, env) ⇒ Object 



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# File 'lib/dry/web/settings.rb', line 30

def self.load(root, env)
  yaml_path = root.join("config/settings.yml")
  yaml_data = File.exist?(yaml_path) ? YAML.load_file(yaml_path)[env.to_s] : {}
  schema = self.schema

  Class.new do
    extend Dry::Configurable

    schema.each do |key, type|
      value = ENV.fetch(key.to_s.upcase) { yaml_data[key.to_s.downcase] }

      begin
        value = type[value] if type
      rescue => e
        raise SettingValueError, "error typecasting +#{key}+: #{e}"
      end

      setting key, value
    end
  end.config
end

.schema ⇒ Object 



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# File 'lib/dry/web/settings.rb', line 8

def self.schema
  @schema ||= {}
end

.setting(name, type = nil) ⇒ Object 



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# File 'lib/dry/web/settings.rb', line 12

def self.setting(name, type = nil)
  settings(name => type)
end

.settings(new_schema) ⇒ Object 



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# File 'lib/dry/web/settings.rb', line 16

def self.settings(new_schema)
  check_schema_duplication(new_schema)
  @schema = schema.merge(new_schema)

  self
end