lib/zold/wallets.rb
# frozen_string_literal: true
# Copyright (c) 2018-2023 Zerocracy
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
require 'pathname'
require_relative 'id'
require_relative 'wallet'
require_relative 'dir_items'
# The local collection of wallets.
#
# This class is not thread-safe!
#
# Author:: Yegor Bugayenko (yegor256@gmail.com)
# Copyright:: Copyright (c) 2018 Yegor Bugayenko
# License:: MIT
module Zold
# Collection of local wallets
class Wallets
def initialize(dir)
@dir = dir
end
# @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.
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
def path
FileUtils.mkdir_p(@dir)
File.expand_path(@dir)
end
# This wallet exists?
def exists?(id)
File.exist?(File.join(path, id.to_s + Wallet::EXT))
end
# Returns the list of their IDs (as plain text)
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
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
def count
Zold::DirItems.new(@dir)
.fetch(recursive: false)
.select { |f| f.end_with?(Wallet::EXT) }
.count
end
end
end