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module Lfs
class FileModificationHandler
attr_reader :project, :branch_name
delegate :repository, to: :project
def initialize(project, branch_name)
@project = project
@branch_name = branch_name
end
def new_file(file_path, file_content)
if project.lfs_enabled? && lfs_file?(file_path)
lfs_pointer_file = Gitlab::Git::LfsPointerFile.new(file_content)
lfs_object = create_lfs_object!(lfs_pointer_file, file_content)
content = lfs_pointer_file.pointer
success = yield(content)
link_lfs_object!(lfs_object) if success
else
yield(file_content)
end
end
private
def lfs_file?(file_path)
repository.attributes_at(branch_name, file_path)['filter'] == 'lfs'
end
def create_lfs_object!(lfs_pointer_file, file_content)
LfsObject.find_or_create_by(oid: lfs_pointer_file.sha256, size: lfs_pointer_file.size) do |lfs_object|
lfs_object.file = CarrierWaveStringFile.new(file_content)
end
end
def link_lfs_object!(lfs_object)
project.lfs_objects << lfs_object
end
end
end
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