chore(): Reorganize modules (#7210)

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

packages/modules/order/src/models/order-summary.ts

@@ -0,0 +1,112 @@
+import {
+  BigNumber,
+  createPsqlIndexStatementHelper,
+  generateEntityId,
+} from "@medusajs/utils"
+import {
+  BeforeCreate,
+  Entity,
+  ManyToOne,
+  OnInit,
+  PrimaryKey,
+  Property,
+} from "@mikro-orm/core"
+import { Order } from "@models"
+
+type OrderSummaryTotals = {
+  total: BigNumber
+  subtotal: BigNumber
+  total_tax: BigNumber
+
+  ordered_total: BigNumber
+  fulfilled_total: BigNumber
+  returned_total: BigNumber
+  return_request_total: BigNumber
+  write_off_total: BigNumber
+  projected_total: BigNumber
+
+  net_total: BigNumber
+  net_subtotal: BigNumber
+  net_total_tax: BigNumber
+
+  future_total: BigNumber
+  future_subtotal: BigNumber
+  future_total_tax: BigNumber
+  future_projected_total: BigNumber
+
+  balance: BigNumber
+  future_balance: BigNumber
+}
+
+const OrderIdVersionIndex = createPsqlIndexStatementHelper({
+  tableName: "order_summary",
+  columns: ["order_id", "version"],
+  where: "deleted_at IS NOT NULL",
+})
+
+const DeletedAtIndex = createPsqlIndexStatementHelper({
+  tableName: "order",
+  columns: "deleted_at",
+  where: "deleted_at IS NOT NULL",
+})
+
+@Entity({ tableName: "order_summary" })
+@OrderIdVersionIndex.MikroORMIndex()
+export default class OrderSummary {
+  @PrimaryKey({ columnType: "text" })
+  id: string
+
+  @ManyToOne({
+    entity: () => Order,
+    columnType: "text",
+    fieldName: "order_id",
+    mapToPk: true,
+    onDelete: "cascade",
+  })
+  order_id: string
+
+  @ManyToOne(() => Order, {
+    persist: false,
+  })
+  order: Order
+
+  @Property({
+    columnType: "integer",
+    defaultRaw: "1",
+  })
+  version: number = 1
+
+  @Property({ columnType: "jsonb" })
+  totals: OrderSummaryTotals | null = {} as OrderSummaryTotals
+
+  @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, "ordsum")
+    this.order_id ??= this.order?.id
+  }
+
+  @OnInit()
+  onInit() {
+    this.id = generateEntityId(this.id, "ordsum")
+    this.order_id ??= this.order?.id
+  }
+}