151 lines
4 KiB
Ruby
151 lines
4 KiB
Ruby
# Copyright (C) 2012-2022 Zammad Foundation, https://zammad-foundation.org/
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class KnowledgeBase::Answer < ApplicationModel
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include HasTranslations
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include HasAgentAllowedParams
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include HasTags
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include CanBePublished
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include ChecksKbClientNotification
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include ChecksKbClientVisibility
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include CanCloneAttachments
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AGENT_ALLOWED_ATTRIBUTES = %i[category_id promoted internal_note].freeze
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AGENT_ALLOWED_NESTED_RELATIONS = %i[translations].freeze
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belongs_to :category, class_name: 'KnowledgeBase::Category', inverse_of: :answers, touch: true
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scope :include_contents, -> { eager_load(translations: :content) }
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scope :sorted, -> { order(position: :asc) }
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acts_as_list scope: :category, top_of_list: 0
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# provide consistent naming with KB category
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alias_attribute :parent, :category
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alias assets_essential assets
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def attributes_with_association_ids
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key = "#{self.class}::aws::#{id}"
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cache = Cache.read(key)
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return cache if cache
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attrs = super
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attrs[:attachments] = attachments_sorted.map { |elem| self.class.attachment_to_hash(elem) }
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attrs[:tags] = tag_list
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Cache.write(key, attrs)
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attrs
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end
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def assets(data = {})
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return data if assets_added_to?(data)
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data = super(data)
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data = category.assets(data)
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# include all siblings to make sure ordering is always up to date. Reader gets only accessible siblings.
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data = ApplicationModel::CanAssets.reduce(assets_siblings, data)
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ApplicationModel::CanAssets.reduce(translations, data)
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end
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attachments_cleanup!
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def attachments_sorted
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attachments.sort_by { |elem| elem.filename.downcase }
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end
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def add_attachment(file)
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filename = file.try(:original_filename) || File.basename(file.path)
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content_type = file.try(:content_type) || MIME::Types.type_for(filename).first&.content_type || 'application/octet-stream'
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Store.add(
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object: self.class.name,
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o_id: id,
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data: file.read,
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filename: filename,
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preferences: { 'Content-Type': content_type }
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)
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touch # rubocop:disable Rails/SkipsModelValidations
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translations.each(&:touch)
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true
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end
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def remove_attachment(attachment_id)
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attachment = attachments.find { |elem| elem.id == attachment_id.to_i }
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raise ActiveRecord::RecordNotFound if attachment.nil?
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Store.remove_item(attachment.id)
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touch # rubocop:disable Rails/SkipsModelValidations
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translations.each(&:touch)
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true
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end
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def api_url
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Rails.application.routes.url_helpers.knowledge_base_answer_path(category.knowledge_base, self)
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end
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# required by CanCloneAttachments
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def content_type
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'text/html'
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end
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private
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def assets_siblings(siblings: category.answers, current_user: User.lookup(id: UserInfo.current_user_id))
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if KnowledgeBase.granular_permissions?
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ep = KnowledgeBase::EffectivePermission.new current_user, category
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case ep.access_effective
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when 'public_reader'
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siblings.published
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when 'none'
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siblings.none
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when 'reader'
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siblings.internal
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else
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siblings
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end
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elsif !current_user&.permissions?('knowledge_base.editor')
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siblings.internal
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else
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siblings
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end
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end
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def reordering_callback
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return if !category_id_changed? && !position_changed?
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# drop siblings cache to make sure ordering is always up to date
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category.answers.each(&:cache_delete)
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end
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before_save :reordering_callback
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def touch_translations
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translations.each(&:touch) # move to #touch_all when migrationg to Rails 6
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end
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after_touch :touch_translations
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class << self
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def attachment_to_hash(attachment)
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url = Rails.application.routes.url_helpers.attachment_path(attachment.id)
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{
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id: attachment.id,
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url: url,
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preview_url: "#{url}?preview=1",
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filename: attachment.filename,
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size: attachment.size,
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preferences: attachment.preferences
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}
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end
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end
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end
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