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class UploadService
def initialize(model, file, uploader_class = FileUploader)
@model, @file, @uploader_class = model, file, uploader_class
end
def execute
return nil unless @file && @file.size <= max_attachment_size
uploader = @uploader_class.new(@model)
uploader.store!(@file)
uploader.to_h
end
private
def max_attachment_size
current_application_settings.max_attachment_size.megabytes.to_i
end
end
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