Contents

# frozen_string_literal: true

require 'yaml'
require_relative 'database_config'

# App config including database configs.
class SqluiConfig
  attr_reader :name, :list_url_path, :database_configs

  def initialize(filename)
    config = YAML.safe_load(ERB.new(File.read(filename)).result)
    deep_symbolize!(config)
    @name = fetch_non_empty_string(config, :name).strip
    @list_url_path = fetch_non_empty_string(config, :list_url_path).strip
    raise ArgumentError, 'list_url_path should start with a /' unless @list_url_path.start_with?('/')
    if @list_url_path.length > 1 && @list_url_path.end_with?('/')
      raise ArgumentError, 'list_url_path should not end with a /'
    end

    databases = config[:databases]
    if databases.nil? || !databases.is_a?(Hash) || databases.empty?
      raise ArgumentError, 'required parameter databases missing'
    end

    @database_configs = databases.map do |_, current|
      DatabaseConfig.new(current)
    end
  end

  def database_config_for(url_path:)
    @database_configs.find { |database| database.url_path == url_path } || raise("no config found for path #{url_path}")
  end

  private

  def fetch_non_empty_string(hash, key)
    value = hash[key]
    raise ArgumentError, "required parameter #{key} missing" if value.nil? || !value.is_a?(String) || value.strip.empty?

    value.strip
  end

  def deep_symbolize!(object)
    return unless object.is_a? Hash

    object.transform_keys!(&:to_sym)
    object.each_value { |child| deep_symbolize!(child) }
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
sqlui-0.1.19	app/sqlui_config.rb