// import Fluent
// import Vapor
//
// /// The purchase order database model.
// ///
// /// # NOTE: An initial purchase order should be created with an `id` higher than our current PO
// ///         so that subsequent PO's are generated with higher values than our current system produces.
// ///         once the first one is set, the rest will auto-increment from there.
// final class PurchaseOrder: Model, Content, @unchecked Sendable {
//   static let schema = "purchase_order"
//
//   @ID(custom: "id", generatedBy: .database)
//   var id: Int?
//
//   @Field(key: "work_order")
//   var workOrder: Int?
//
//   @Field(key: "materials")
//   var materials: String
//
//   @Field(key: "customer")
//   var customer: String
//
//   @Field(key: "truck_stock")
//   var truckStock: Bool
//
//   @Parent(key: "created_by_id")
//   var createdBy: User
//
//   @Parent(key: "created_for_id")
//   var createdFor: Employee
//
//   @Parent(key: "vendor_branch_id")
//   var vendorBranch: VendorBranch
//
//   @Timestamp(key: "created_at", on: .create)
//   var createdAt: Date?
//
//   @Timestamp(key: "updated_at", on: .update)
//   var updatedAt: Date?
//
//   init() {}
//
//   init(
//     id: Int? = nil,
//     workOrder: Int? = nil,
//     materials: String,
//     customer: String,
//     truckStock: Bool,
//     createdByID: User.IDValue,
//     createdForID: Employee.IDValue,
//     vendorBranchID: VendorBranch.IDValue,
//     createdAt: Date? = nil,
//     updatedAt: Date? = nil
//   ) {
//     self.id = id
//     self.workOrder = workOrder
//     self.materials = materials
//     self.customer = customer
//     self.truckStock = truckStock
//     $createdBy.id = createdByID
//     $createdFor.id = createdForID
//     $vendorBranch.id = vendorBranchID
//     self.createdAt = createdAt
//     self.updatedAt = updatedAt
//   }
//
//   func toDTO() -> DTO {
//     .init(
//       id: id,
//       workOrder: workOrder,
//       materials: materials,
//       customer: customer,
//       truckStock: truckStock,
//       createdBy: $createdBy.value?.toDTO(),
//       createdFor: $createdFor.value?.toDTO(),
//       vendorBranch: $vendorBranch.value,
//       createdAt: createdAt,
//       updatedAt: updatedAt
//     )
//   }
//
// }
//
// extension PurchaseOrder {
//
//   struct Create: Content {
//     let id: Int?
//     let workOrder: Int?
//     let materials: String
//     let customer: String
//     let truckStock: Bool?
//     let createdForID: Employee.IDValue
//     let vendorBranchID: VendorBranch.IDValue
//
//     func toModel(createdByID: User.IDValue) -> PurchaseOrder {
//       .init(
//         id: id,
//         workOrder: workOrder,
//         materials: materials,
//         customer: customer,
//         truckStock: truckStock ?? false,
//         createdByID: createdByID,
//         createdForID: createdForID,
//         vendorBranchID: vendorBranchID,
//         createdAt: nil,
//         updatedAt: nil
//       )
//     }
//   }
//
//   struct DTO: Content {
//     let id: Int?
//     let workOrder: Int?
//     let materials: String
//     let customer: String
//     let truckStock: Bool
//     let createdBy: User.DTO?
//     let createdFor: Employee.DTO?
//     let vendorBranch: VendorBranch?
//     let createdAt: Date?
//     let updatedAt: Date?
//   }
//
//   struct Migrate: AsyncMigration {
//
//     let name = "CreatePurchaseOrder"
//
//     func prepare(on database: any Database) async throws {
//       try await database.schema(PurchaseOrder.schema)
//         .field("id", .int, .identifier(auto: true))
//         .field("work_order", .int)
//         .field("customer", .string, .required)
//         .field("materials", .string, .required)
//         .field("truck_stock", .bool, .required)
//         .field("created_by_id", .uuid, .required, .references(User.schema, "id"))
//         .field("created_for_id", .uuid, .required, .references(Employee.schema, "id"))
//         .field("vendor_branch_id", .uuid, .required, .references(VendorBranch.schema, "id"))
//         .field("created_at", .datetime)
//         .field("updated_at", .datetime)
//         .create()
//     }
//
//     func revert(on database: any Database) async throws {
//       try await database.schema(PurchaseOrder.schema).delete()
//     }
//   }
// }
//
// extension PurchaseOrder.Create: Validatable {
//
//   static func validations(_ validations: inout Validations) {
//     validations.add("materials", as: String.self, is: !.empty)
//     validations.add("customer", as: String.self, is: !.empty)
//   }
// }