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36 lines
1.0 KiB
36 lines
1.0 KiB
class ExportExercisesService
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include ExercisesHelper
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include StudentWorksHelper
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attr_reader :exercise, :ex_users, :request_url
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def initialize(exercise, ex_users, request_url)
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@exercise = exercise
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@ex_users = ex_users
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@request_url = request_url
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end
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def filename
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exercise_export_name = "学生答题_#{exercise&.course&.name}_#{exercise.exercise_name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
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"#{exercise_export_name.strip}.zip"
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end
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def ex_zip
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zip_file = Tempfile.new(filename)
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pdfs = []
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Zip::File.open(zip_file.path, Zip::File::CREATE) do |zip|
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ex_users.each do |ex_user|
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export = ExerciseUserPdfService.new(exercise, ex_user,@request_url)
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pdf = export.ex_pdf
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pdfs << pdf
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begin
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zip.add(export.filename, pdf.path)
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rescue => ex
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Rails.logger.error(ex.message)
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zip.get_output_stream('FILE_NOTICE.txt'){|os| os.write("文件重复:#{export.filename}") }
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end
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end
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zip_file
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end
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end
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end |