Sha256: 0e82934d568c7765b940f2b1821b191e6689baa019a02f0f557e49cdaa7ee632
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Size: 1.73 KB
Versions: 3
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Stored size: 1.73 KB
Contents
module Fontist
module Utils
class Downloader
def initialize(file, file_size: nil, sha: nil, progress_bar: nil)
@file = file
@progress_bar = progress_bar
@sha = [sha].flatten.compact
@file_size = (file_size || default_file_size).to_i
end
def download
file = download_file
if !sha.empty? && !sha.include?(Digest::SHA256.file(file).to_s)
raise(Fontist::Errors::TemparedFileError.new(
"The downloaded file from #{@file} doesn't " \
"match with the expected sha256 checksum!"
))
end
file
end
def self.download(file, options = {})
new(file, options).download
end
private
attr_reader :file, :sha, :file_size
def default_file_size
5 * byte_to_megabyte
end
def byte_to_megabyte
@byte_to_megabyte ||= 1024 * 1024
end
def download_path
options[:download_path] || Fontist.root_path.join("tmp")
end
def download_file
bar = ProgressBar.new(file_size / byte_to_megabyte)
Down.download(
@file,
progress_proc: -> (progress) {
bar.increment(progress / byte_to_megabyte) if @progress_bar === true
}
)
rescue Down::NotFound
raise(Fontist::Errors::InvalidResourceError.new("Invalid URL: #{@file}"))
end
end
class ProgressBar
def initialize(total)
@counter = 1
@total = total
end
def increment(progress)
complete = sprintf("%#.2f%%", ((@counter.to_f / @total.to_f) * 100))
print "\r\e[0KDownloads: #{@counter}MB/#{@total}MB (#{complete})"
@counter = progress
end
end
end
end
Version data entries
3 entries across 3 versions & 2 rubygems