26 lines
663 B
Ruby
26 lines
663 B
Ruby
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class NotBlockedValidator < ActiveModel::EachValidator
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include BlockHelper
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def validate_each(record, attribute, value)
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return if value.nil?
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blocker = options[:by]
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case blocker
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when Symbol
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blocker = record.send(blocker)
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when Proc
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blocker = blocker.call(record)
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end
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blocker_users = users_for(blocker)
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blocked_users = users_for(value)
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# You can't be blocked from interacting with your own things:
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return if (blocked_users - blocker_users).empty?
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return unless Block.exists?(blocker: blocker_users, blocked: blocked_users)
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record.errors.add(attribute, options.fetch(:message, :blocked))
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end
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end
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