Class: Tessa::DynamicExtensions::MultipleRecord

Inherits:
Tessa::DynamicExtensions show all
Defined in:
lib/tessa/model/dynamic_extensions.rb

Instance Attribute Summary

Attributes inherited from Tessa::DynamicExtensions

#field

Instance Method Summary collapse

Methods inherited from Tessa::DynamicExtensions

#initialize, #name

Constructor Details

This class inherits a constructor from Tessa::DynamicExtensions

Instance Method Details

#build(mod) ⇒ Object 



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# File 'lib/tessa/model/dynamic_extensions.rb', line 67

def build(mod)
  mod.class_eval "      def \#{name}\n        field = self.class.tessa_fields[\"\#{name}\".to_sym]\n        tessa_ids = field.id(on: self) - \#{name}_attachments.map(&:key)\n        \n        @\#{name} ||= [\n          *\#{name}_attachments.map { |a| Tessa::ActiveStorage::AssetWrapper.new(a) },\n        ]\n      end\n\n      def \#{field.id_field}\n        [\n          # Use the attachment's key\n          *\#{name}_attachments.map(&:key),\n        ]\n      end\n\n      def \#{name}=(attachables)\n        # Every new upload is going to ActiveStorage\n        a = @active_storage_attached_\#{name} ||=\n          ::ActiveStorage::Attached::Many.new(\"\#{name}\", self, dependent: :purge_later)\n\n        case attachables\n        when Tessa::AssetChangeSet\n          attachables.changes.select(&:remove?).each do |change|\n            if existing = \#{name}_attachments.find { |a| a.key == change.id }\n              existing.destroy\n            else\n              ids = self.\#{field.id_field}\n              ids&.delete(change.id.to_i)\n              self.\#{field.id_field} = ids&.any? ? ids : nil\n            end\n          end\n          attachables.changes.select(&:add?).each do |change|\n            next if \#{field.id_field}.include? change.id\n\n            a.attach(change.id)\n          end\n        when nil\n          a.detach\n          self.\#{field.id_field} = nil\n        else\n          a.attach(*attachables)\n          self.\#{field.id_field} = nil\n        end\n      end\n\n      def attributes\n        super.merge({\n          '\#{field.id_field}' => \#{field.id_field},\n          '_tessa_\#{field.id_field}' => super['\#{field.id_field}']\n        })\n      end\n    CODE\n  mod\nend\n", __FILE__, __LINE__ + 1