mirror of https://github.com/docusealco/docuseal
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
3.3 KiB
92 lines
3.3 KiB
# frozen_string_literal: true
|
|
|
|
module Submitters
|
|
module CreateStampAttachment
|
|
WIDTH = 400
|
|
HEIGHT = 200
|
|
|
|
TRANSPARENT_PIXEL = "\x89PNG\r\n\u001A\n\u0000\u0000\u0000\rIHDR\u0000" \
|
|
"\u0000\u0000\u0001\u0000\u0000\u0000\u0001\b\u0004" \
|
|
"\u0000\u0000\u0000\xB5\u001C\f\u0002\u0000\u0000\u0000" \
|
|
"\vIDATx\xDAc\xFC_\u000F\u0000\u0002\x83\u0001\x804\xC3ڨ" \
|
|
"\u0000\u0000\u0000\u0000IEND\xAEB`\x82"
|
|
|
|
module_function
|
|
|
|
def call(submitter)
|
|
image = generate_stamp_image(submitter)
|
|
|
|
image_data = image.write_to_buffer('.png')
|
|
|
|
checksum = Digest::MD5.base64digest(image_data)
|
|
|
|
attachment = submitter.attachments.joins(:blob).find_by(blob: { checksum: })
|
|
|
|
attachment || ActiveStorage::Attachment.create!(
|
|
blob: ActiveStorage::Blob.create_and_upload!(io: StringIO.new(image_data), filename: 'stamp.png'),
|
|
metadata: { analyzed: true, identified: true, width: image.width, height: image.height },
|
|
name: 'attachments',
|
|
record: submitter
|
|
)
|
|
end
|
|
|
|
# rubocop:disable Metrics
|
|
def generate_stamp_image(submitter)
|
|
logo = Vips::Image.new_from_buffer(load_logo(submitter).read, '')
|
|
|
|
logo = logo.resize([WIDTH / logo.width.to_f, HEIGHT / logo.height.to_f].min)
|
|
|
|
base_layer = Vips::Image.black(WIDTH, HEIGHT).new_from_image([255, 255, 255]).copy(interpretation: :srgb)
|
|
|
|
opacity_layer = Vips::Image.new_from_buffer(TRANSPARENT_PIXEL, '').resize(WIDTH)
|
|
|
|
text = build_text_image(submitter)
|
|
|
|
text_layer = text.new_from_image([0, 0, 0]).copy(interpretation: :srgb)
|
|
text_layer = text_layer.bandjoin(text)
|
|
|
|
base_layer = base_layer.composite(logo, 'over',
|
|
x: (WIDTH - logo.width) / 2,
|
|
y: (HEIGHT - logo.height) / 2)
|
|
|
|
base_layer = base_layer.composite(opacity_layer, 'over')
|
|
|
|
base_layer.composite(text_layer, 'over',
|
|
x: (WIDTH - text_layer.width) / 2,
|
|
y: (HEIGHT - text_layer.height) / 2)
|
|
end
|
|
|
|
def build_text_image(submitter)
|
|
time = I18n.l(submitter.completed_at.in_time_zone(submitter.account.timezone), format: :long,
|
|
locale: submitter.account.locale)
|
|
|
|
timezone = TimeUtils.timezone_abbr(submitter.account.timezone, submitter.completed_at)
|
|
|
|
name = if submitter.name.present? && submitter.email.present?
|
|
"#{submitter.name} #{submitter.email}"
|
|
else
|
|
submitter.name || submitter.email || submitter.phone
|
|
end
|
|
|
|
role = if submitter.submission.template_submitters.size > 1
|
|
item = submitter.submission.template_submitters.find { |e| e['uuid'] == submitter.uuid }
|
|
|
|
"#{I18n.t(:role, locale: submitter.account.locale)}: #{item['name']}\n"
|
|
else
|
|
''
|
|
end
|
|
|
|
digitally_signed_by = I18n.t(:digitally_signed_by, locale: submitter.account.locale)
|
|
|
|
text = %(<span size="90">#{digitally_signed_by}: <b>#{name}</b>\n#{role}#{time} #{timezone}</span>)
|
|
|
|
Vips::Image.text(text, width: WIDTH, height: HEIGHT)
|
|
end
|
|
# rubocop:enable Metrics
|
|
|
|
def load_logo(_submitter)
|
|
PdfIcons.logo_io
|
|
end
|
|
end
|
|
end
|