feat: Initial working api routes.

Sources/App/Models/VendorBranch.swift

@@ -0,0 +1,102 @@
+import Fluent
+import struct Foundation.UUID
+import Vapor
+
+final class VendorBranch: Model, @unchecked Sendable {
+
+  static let schema = "vendor_branch"
+
+  @ID(key: .id)
+  var id: UUID?
+
+  @Field(key: "name")
+  var name: String
+
+  @Parent(key: "vendor_id")
+  var vendor: Vendor
+
+  init() {}
+
+  init(id: UUID? = nil, name: String, vendorId: Vendor.IDValue) {
+    self.id = id
+    self.name = name
+    $vendor.id = vendorId
+  }
+
+  func toDTO() -> DTO {
+    .init(id: id, name: $name.value, vendorId: $vendor.id)
+  }
+
+  func applyUpdates(_ updates: Update) {
+    name = updates.name
+  }
+
+}
+
+// MARK: - Helpers
+
+extension VendorBranch {
+  struct Create: Content {
+    var name: String
+
+    func toModel() -> VendorBranch {
+      let model = VendorBranch()
+      model.name = name
+      return model
+    }
+  }
+
+  struct DTO: Content {
+    var id: UUID?
+    var name: String?
+    var vendorId: Vendor.IDValue?
+
+    func toModel() -> VendorBranch {
+      let model = VendorBranch()
+
+      model.id = id
+      if let name {
+        model.name = name
+      }
+      if let vendorId {
+        model.$vendor.id = vendorId
+      }
+      return model
+    }
+
+  }
+
+  struct Migrate: AsyncMigration {
+    let name = "CreateVendorBranch"
+
+    func prepare(on database: Database) async throws {
+      try await database.schema(VendorBranch.schema)
+        .id()
+        .field("name", .string, .required)
+        .field("vendor_id", .uuid, .required, .references("vendor", "id"))
+        .create()
+    }
+
+    func revert(on database: Database) async throws {
+      try await database.schema(VendorBranch.schema).delete()
+    }
+  }
+
+  struct Update: Content {
+    var name: String
+  }
+}
+
+// MARK: - Validations
+
+extension VendorBranch.Create: Validatable {
+  static func validations(_ validations: inout Validations) {
+    validations.add("name", as: String.self, is: !.empty)
+  }
+}
+
+extension VendorBranch.Update: Validatable {
+  static func validations(_ validations: inout Validations) {
+    validations.add("name", as: String.self, is: !.empty)
+  }
+}