Class: LedgerSync::Util::DotenvUpdator

Inherits:
Object
  • Object
show all
Defined in:
lib/ledger_sync/util/dotenv_updator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ DotenvUpdator

Returns a new instance of DotenvUpdator.



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# File 'lib/ledger_sync/util/dotenv_updator.rb', line 8

def initialize(args = {})
  @file_path = args.fetch(:file_path, File.join(Dir.pwd, '.env.local'))
end

Instance Attribute Details

#file_path ⇒ Object (readonly)

Returns the value of attribute file_path.



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# File 'lib/ledger_sync/util/dotenv_updator.rb', line 6

def file_path
  @file_path
end

Instance Method Details

#update(args = {}) ⇒ Object 



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# File 'lib/ledger_sync/util/dotenv_updator.rb', line 12

def update(args = {})
  client = args.fetch(:client)
  prefix = args.fetch(:prefix, "#{client.class.config.root_key.upcase}_")

  to_save = client.ledger_attributes_to_save.dup.stringify_keys

  Tempfile.open(".#{File.basename(file_path)}", File.dirname(file_path)) do |tempfile|
    File.open(file_path).each do |line|
      env_key = line.split('=').first
      client_method = env_key.split(prefix).last.downcase

      if line =~ /\A#{prefix}/ && to_save.key?(client_method)
        env_value = ENV[env_key]
        new_value = to_save.delete(client_method)
        tempfile.puts "#{env_key}=#{new_value}"
        next if env_value == new_value.to_s

        ENV[env_key] = new_value.to_s
        tempfile.puts "# #{env_key}=#{env_value} # Updated on #{Time.now}"
      else
        tempfile.puts line
      end
    end

    to_save.each { |k, v| tempfile.puts(["#{prefix}#{k}".upcase, v].map(&:to_s).join('=')) }

    tempfile.close
    FileUtils.mv tempfile.path, file_path
  end

  Dotenv.load
end