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36 lines
962 B
36 lines
962 B
class Ecs::ImportStudentService < ApplicationService
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Error = Class.new(StandardError)
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attr_reader :ec_year, :attachment
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def initialize(ec_year, attachment_id)
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@ec_year = ec_year
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@attachment = Attachment.find_by(id: attachment_id)
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end
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def call
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raise_import_error('文件不存在') if attachment.blank?
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path = attachment.diskfile
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excel = Ecs::ImportStudentExcel.new(path)
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success_count = 0
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EcYearStudent.bulk_insert(:student_id, :name, :created_at, :updated_at) do |worker|
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excel.read_each do |student_id, name|
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success_count += 1
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student = ec_year.ec_year_students.find_by(student_id: student_id)
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if student.present?
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student.update!(name: name)
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next
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end
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worker.add(student_id: student_id, name: name)
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end
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end
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success_count
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rescue BaseImportExcel::Error => ex
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raise Error, ex.message
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end
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end |