docbrown/app/uploaders/base_uploader.rb
Ridhwana 81571bb0b5
Data Update Script to migrate logo_svg contents to png file (Will be merged and deployed on 10/01) (#15710)
* feat/WIP: first version of the svg logo to png logo DUS

* feat: logoSVG Uploader

* refactor: remove the if original_filename

* feat: add a test for the logo_svg_uploader

* feat: update the test and dus

* add soem error handling

* updae the rails spec helper

* feat: provide a content type

* feat: add content type

* Try https://travis-ci.community/t/build-times-out-with-no-apparent-reason/5083/4

* chore: try this suggestion https://stackoverflow.com/questions/41138404/how-to-install-newer-imagemagick-with-webp-support-in-travis-ci-container

* chore: remove libweb adn fix = in the travis.yml

* chore: undo the changes to attempt to update the version for image magick

* feat: install gsfonts for convert

* chore: add a comment for svg

* feat: use the good practices for tempfile, update error handling and update the tests

* chore: update the timestamp on the DUS

* feat: convert to png with a transparent background using Image Magick

* feat: substitute some css variables with real css colors

* chore: revert the path

* fix: set content type

* Update lib/data_update_scripts/20220105112823_migrate_logo_svg_data.rb

Co-authored-by: Jamie Gaskins <jamie@forem.com>

Co-authored-by: Jamie Gaskins <jamie@forem.com>
2022-01-10 16:09:34 +02:00

48 lines
1.2 KiB
Ruby

class BaseUploader < CarrierWave::Uploader::Base
include CarrierWave::BombShelter # limits size to 4096x4096
include CarrierWave::MiniMagick # adds processing operations
EXTENSION_ALLOWLIST = %w[jpg jpeg jpe gif png ico bmp dng].freeze
FRAME_MAX = 500
FRAME_STRIP_MAX = 150
process :validate_frame_count
process :strip_exif
def store_dir
# eg. uploads/user/profile_image/1/e481b7ee.jpg
"uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
end
def extension_allowlist
EXTENSION_ALLOWLIST
end
def size_range
1..(25.megabytes)
end
protected
# strip EXIF (and GPS) data
def strip_exif
# There will be no exif data for an SVG
return if file.content_type.include?("svg")
manipulate! do |image|
image.strip unless image.frames.count > FRAME_STRIP_MAX
image = yield(image) if block_given?
image
end
end
def validate_frame_count
begin
return unless MiniMagick::Image.new(file.path).frames.count > FRAME_MAX
rescue Timeout::Error
raise CarrierWave::IntegrityError, "Image processing timed out."
end
raise CarrierWave::IntegrityError, "GIF contains too many frames. Max frame count allowed is #{FRAME_MAX}."
end
end