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Contents
# frozen_string_literal: true
require 'tempfile'
module Maglev
# Used to create a screenshot of a section from the Maglev admin UI.
class PersistSectionScreenshot
include Injectable
dependency :fetch_theme
dependency :fetch_section_screenshot_path
argument :section_id
argument :base64_image
def call
return false if base64_image.blank?
image_data = Base64.decode64(
base64_image['data:image/png;base64,'.length..]
)
persist_file(image_data)
section.screenshot_timestamp = Time.now.to_i
true
end
private
def persist_file(image_data)
tmp_file = Tempfile.new(File.basename(screenshots_dir), binmode: true)
tmp_file.write(image_data)
tmp_file.close
# PNG -> JPG to lower the size of the image
::ActiveStorage::Variation.new(format: 'jpg', saver: { quality: 90 }).transform(tmp_file) do |output|
FileUtils.mkdir_p(screenshots_dir)
File.open(screenshot_filepath, 'wb') do |f|
f.write(output.read)
end
end
end
def section
@section ||= fetch_theme.call.sections.find(section_id)
end
def screenshot_filepath
fetch_section_screenshot_path.call(section: section, absolute: true)
end
def screenshots_dir
File.dirname(screenshot_filepath)
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems