Class: Zold::Wallets

Inherits:
Object
  • Object
show all
Defined in:
lib/zold/wallets.rb

Overview

Collection of local wallets

Instance Method Summary collapse

Constructor Details

#initialize(dir) ⇒ Wallets

Returns a new instance of Wallets.



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# File 'lib/zold/wallets.rb', line 37

def initialize(dir)
  @dir = dir
end

Instance Method Details

#acq(id, exclusive: false) {|Wallet.new(File.join(path, id.to_s + Wallet::EXT))| ... } ⇒ Object

Yields:



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# File 'lib/zold/wallets.rb', line 72

def acq(id, exclusive: false)
  raise 'The flag can\'t be nil' if exclusive.nil?
  raise 'Id can\'t be nil' if id.nil?
  raise "Id must be of type Id, #{id.class.name} instead" unless id.is_a?(Id)
  yield Wallet.new(File.join(path, id.to_s + Wallet::EXT))
end

#all ⇒ Object

Returns the list of their IDs (as plain text)



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# File 'lib/zold/wallets.rb', line 61

def all
  DirItems.new(path).fetch(recursive: false).select do |f|
    file = File.join(@dir, f)
    basename = File.basename(f, Wallet::EXT)
    File.file?(file) &&
      !File.directory?(file) &&
      basename =~ /^[0-9a-fA-F]{16}$/ &&
      Id.new(basename).to_s == basename
  end.map { |w| Id.new(File.basename(w, Wallet::EXT)) }
end

#count ⇒ Object 



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# File 'lib/zold/wallets.rb', line 79

def count
  Zold::DirItems.new(@dir)
    .fetch(recursive: false)
    .select { |f| f.end_with?(Wallet::EXT) }
    .count
end

#exists?(id) ⇒ Boolean

This wallet exists?

Returns:

  • (Boolean) 


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# File 'lib/zold/wallets.rb', line 56

def exists?(id)
  File.exist?(File.join(path, id.to_s + Wallet::EXT))
end

#path ⇒ Object 



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# File 'lib/zold/wallets.rb', line 50

def path
  FileUtils.mkdir_p(@dir)
  File.expand_path(@dir)
end

#to_s ⇒ Object

TODO:

#70:30min Let’s make it smarter. Instead of returning the full path let’s substract the prefix from it if it’s equal to the current directory in Dir.pwd.



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# File 'lib/zold/wallets.rb', line 44

def to_s
  mine = Pathname.new(File.expand_path(@dir))
  home = Pathname.new(File.expand_path(Dir.pwd))
  mine.relative_path_from(home).to_s
end