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- # frozen_string_literal: true
-
- class ImportValidator < ActiveModel::Validator
- KNOWN_HEADERS = [
- 'Account address',
- '#domain',
- '#uri',
- ].freeze
-
- def validate(import)
- return if import.type.blank? || import.data.blank?
-
- # We parse because newlines could be part of individual rows. This
- # runs on create so we should be reading the local file here before
- # it is uploaded to object storage or moved anywhere...
- csv_data = CSV.parse(import.data.queued_for_write[:original].read)
-
- row_count = csv_data.size
- row_count -= 1 if KNOWN_HEADERS.include?(csv_data.first&.first)
-
- import.errors.add(:data, I18n.t('imports.errors.over_rows_processing_limit', count: ImportService::ROWS_PROCESSING_LIMIT)) if row_count > ImportService::ROWS_PROCESSING_LIMIT
-
- case import.type
- when 'following'
- validate_following_import(import, row_count)
- end
- end
-
- private
-
- def validate_following_import(import, row_count)
- base_limit = FollowLimitValidator.limit_for_account(import.account)
-
- limit = begin
- if import.overwrite?
- base_limit
- else
- base_limit - import.account.following_count
- end
- end
-
- import.errors.add(:data, I18n.t('users.follow_limit_reached', limit: base_limit)) if row_count > limit
- end
- end
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