Property.swift

extension Property {
    final class Model: FluentKit.Model, AutoMigrating {
        static let schema: String = "properties"

        @FluentKit.ID(key: "id") var id: UUID?
        @Parent(key: "preset") var preset: PropertyPreset.Model

        // These are the ploymorphic properties that connect a given `Property` model row
        // to any other model row. If we only want the parent to have a single `Property`, we
        // can mark the `parent` field as `UINIQUE`.
        @Field(key: "parent") var parent: UUID?
        @Field(key: "parent_type") var parentType: String?

        // Other properties go here...
        @Field(key: "key") var key: String
        @Field(key: "value") var value: PropertyValue<Property>
        
        init() { }
    }
}