chore(): Reorganize modules (#7210)

**What**
Move all modules to the modules directory

packages/modules/order/src/models/order-shipping-method.ts

@@ -0,0 +1,117 @@
+import { DAL } from "@medusajs/types"
+import {
+  createPsqlIndexStatementHelper,
+  generateEntityId,
+} from "@medusajs/utils"
+import {
+  BeforeCreate,
+  Entity,
+  ManyToOne,
+  OnInit,
+  OptionalProps,
+  PrimaryKey,
+  Property,
+} from "@mikro-orm/core"
+import Order from "./order"
+import ShippingMethod from "./shipping-method"
+
+type OptionalShippingMethodProps = DAL.EntityDateColumns
+
+const OrderIdIndex = createPsqlIndexStatementHelper({
+  tableName: "order_shipping",
+  columns: ["order_id"],
+  where: "deleted_at IS NOT NULL",
+})
+
+const OrderVersionIndex = createPsqlIndexStatementHelper({
+  tableName: "order_shipping",
+  columns: ["version"],
+  where: "deleted_at IS NOT NULL",
+})
+
+const ItemIdIndex = createPsqlIndexStatementHelper({
+  tableName: "order_shipping",
+  columns: ["shipping_method_id"],
+  where: "deleted_at IS NOT NULL",
+})
+
+const DeletedAtIndex = createPsqlIndexStatementHelper({
+  tableName: "order",
+  columns: "deleted_at",
+  where: "deleted_at IS NOT NULL",
+})
+
+@Entity({ tableName: "order_shipping" })
+export default class OrderShippingMethod {
+  [OptionalProps]?: OptionalShippingMethodProps
+
+  @PrimaryKey({ columnType: "text" })
+  id: string
+
+  @ManyToOne({
+    entity: () => Order,
+    mapToPk: true,
+    fieldName: "order_id",
+    columnType: "text",
+  })
+  @OrderIdIndex.MikroORMIndex()
+  order_id: string
+
+  @Property({ columnType: "integer" })
+  @OrderVersionIndex.MikroORMIndex()
+  version: number
+
+  @ManyToOne(() => Order, {
+    persist: false,
+  })
+  order: Order
+
+  @ManyToOne({
+    entity: () => ShippingMethod,
+    fieldName: "shipping_method_id",
+    mapToPk: true,
+    columnType: "text",
+  })
+  @ItemIdIndex.MikroORMIndex()
+  shipping_method_id: string
+
+  @ManyToOne(() => ShippingMethod, {
+    persist: false,
+  })
+  shipping_method: ShippingMethod
+
+  @Property({
+    onCreate: () => new Date(),
+    columnType: "timestamptz",
+    defaultRaw: "now()",
+  })
+  created_at: Date
+
+  @Property({
+    onCreate: () => new Date(),
+    onUpdate: () => new Date(),
+    columnType: "timestamptz",
+    defaultRaw: "now()",
+  })
+  updated_at: Date
+
+  @Property({ columnType: "timestamptz", nullable: true })
+  @DeletedAtIndex.MikroORMIndex()
+  deleted_at: Date | null = null
+
+  @BeforeCreate()
+  onCreate() {
+    this.id = generateEntityId(this.id, "ordspmv")
+    this.order_id ??= this.order?.id
+    this.shipping_method_id ??= this.shipping_method?.id
+    this.version ??= this.order?.version
+  }
+
+  @OnInit()
+  onInit() {
+    this.id = generateEntityId(this.id, "ordspmv")
+    this.order_id ??= this.order?.id
+    this.shipping_method_id ??= this.shipping_method?.id
+    this.version ??= this.order?.version
+  }
+}