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@ -2,28 +2,31 @@ |
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# A non-activerecord helper class for csv upload |
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class Admin::Import |
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extend ActiveModel::Callbacks |
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include ActiveModel::Model |
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include Paperclip::Glue |
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FILE_TYPES = %w(text/plain text/csv application/csv).freeze |
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ROWS_PROCESSING_LIMIT = 20_000 |
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# Paperclip required callbacks |
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define_model_callbacks :save, only: [:after] |
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define_model_callbacks :destroy, only: [:before, :after] |
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attr_accessor :data |
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attr_accessor :data_file_name, :data_content_type |
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validates :data, presence: true |
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validate :validate_data |
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has_attached_file :data |
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validates_attachment_content_type :data, content_type: FILE_TYPES |
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validates_attachment_presence :data |
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validates_with AdminImportValidator, on: :create |
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def save |
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run_callbacks :save |
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def data_file_name |
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data.original_filename |
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end |
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def destroy |
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run_callbacks :destroy |
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private |
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def validate_data |
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return if data.blank? |
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csv_data = CSV.read(data.path, encoding: 'UTF-8') |
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row_count = csv_data.size |
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row_count -= 1 if csv_data.first&.first == '#domain' |
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errors.add(:data, I18n.t('imports.errors.over_rows_processing_limit', count: ROWS_PROCESSING_LIMIT)) if row_count > ROWS_PROCESSING_LIMIT |
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rescue CSV::MalformedCSVError => e |
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errors.add(:data, I18n.t('imports.errors.invalid_csv_file', error: e.message)) |
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end |
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end |