70 lines
1.8 KiB
Ruby
70 lines
1.8 KiB
Ruby
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# Copyright (C) 2012-2016 Zammad Foundation, http://zammad-foundation.org/
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class Webhook::EnsureNoRelatedObjects
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attr_reader :record
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def self.before_destroy(record)
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new(record).before_destroy
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end
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def self.referencing_models
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# this cache doesn't need to be cleared as the result won't change
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@referencing_models ||= Models
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.all
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.keys
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.select { |klass| klass.column_names.include? 'perform' }
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end
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def initialize(record)
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@record = record
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end
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def before_destroy
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return if record.new_record?
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ensure_no_related_objects!
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end
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private
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def ensure_no_related_objects!
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return if related_objects.blank?
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raise Exceptions::UnprocessableEntity, "Cannot delete! This webhook is referenced by #{references_text}"
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end
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def related_objects
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@related_objects ||= self.class.referencing_models.each_with_object({}) do |model, result|
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performables = referencing_performables(model)
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next if performables.blank?
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result[model.name] = performables
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end
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end
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def referencing_performables(model)
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model.find_each.with_object([]) do |performable, result|
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next if !webhook_referenced?(performable)
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result.push({
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id: performable.id,
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name: performable.name
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})
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end
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end
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def webhook_referenced?(performable)
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record.id == performable.perform
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&.dig('notification.webhook', 'webhook_id')
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&.to_i
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end
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def references_text
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related_objects.map do |model, performables|
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performables_text = performables.map { |performable| "#{performable[:name]} (##{performable[:id]})" }.join(', ')
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"#{model}: #{performables_text}"
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end.join(', ')
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end
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end
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