chore(): Reorganize modules (#7210)

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

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

@@ -0,0 +1,144 @@
+import { BigNumberRawValue, DAL } from "@medusajs/types"
+import {
+  BigNumber,
+  DALUtils,
+  MikroOrmBigNumberProperty,
+  createPsqlIndexStatementHelper,
+  generateEntityId,
+} from "@medusajs/utils"
+import {
+  BeforeCreate,
+  Cascade,
+  Check,
+  Collection,
+  Entity,
+  Filter,
+  ManyToOne,
+  OnInit,
+  OneToMany,
+  OptionalProps,
+  PrimaryKey,
+  Property,
+} from "@mikro-orm/core"
+import Cart from "./cart"
+import ShippingMethodAdjustment from "./shipping-method-adjustment"
+import ShippingMethodTaxLine from "./shipping-method-tax-line"
+
+type OptionalShippingMethodProps =
+  | "cart"
+  | "is_tax_inclusive"
+  | DAL.SoftDeletableEntityDateColumns
+
+const CartIdIndex = createPsqlIndexStatementHelper({
+  name: "IDX_shipping_method_cart_id",
+  tableName: "cart_shipping_method",
+  columns: "cart_id",
+  where: "deleted_at IS NULL",
+}).MikroORMIndex
+
+const ShippingOptionIdIndex = createPsqlIndexStatementHelper({
+  name: "IDX_shipping_method_option_id",
+  tableName: "cart_shipping_method",
+  columns: "shipping_option_id",
+  where: "deleted_at IS NULL AND shipping_option_id IS NOT NULL",
+}).MikroORMIndex
+
+const DeletedAtIndex = createPsqlIndexStatementHelper({
+  tableName: "cart_shipping_method",
+  columns: "deleted_at",
+  where: "deleted_at IS NOT NULL",
+}).MikroORMIndex
+
+@Entity({ tableName: "cart_shipping_method" })
+@Check<ShippingMethod>({ expression: (columns) => `${columns.amount} >= 0` })
+@Filter(DALUtils.mikroOrmSoftDeletableFilterOptions)
+export default class ShippingMethod {
+  [OptionalProps]?: OptionalShippingMethodProps
+
+  @PrimaryKey({ columnType: "text" })
+  id: string
+
+  @CartIdIndex()
+  @ManyToOne({
+    entity: () => Cart,
+    columnType: "text",
+    fieldName: "cart_id",
+    mapToPk: true,
+  })
+  cart_id: string
+
+  @ManyToOne({ entity: () => Cart, persist: false })
+  cart: Cart
+
+  @Property({ columnType: "text" })
+  name: string
+
+  @Property({ columnType: "jsonb", nullable: true })
+  description: string | null = null
+
+  @MikroOrmBigNumberProperty()
+  amount: BigNumber | number
+
+  @Property({ columnType: "jsonb" })
+  raw_amount: BigNumberRawValue
+
+  @Property({ columnType: "boolean" })
+  is_tax_inclusive = false
+
+  @ShippingOptionIdIndex()
+  @Property({ columnType: "text", nullable: true })
+  shipping_option_id: string | null = null
+
+  @Property({ columnType: "jsonb", nullable: true })
+  data: Record<string, unknown> | null = null
+
+  @Property({ columnType: "jsonb", nullable: true })
+  metadata: Record<string, unknown> | null = null
+
+  @OneToMany(
+    () => ShippingMethodTaxLine,
+    (taxLine) => taxLine.shipping_method,
+    {
+      cascade: [Cascade.PERSIST, "soft-remove"] as any,
+    }
+  )
+  tax_lines = new Collection<ShippingMethodTaxLine>(this)
+
+  @OneToMany(
+    () => ShippingMethodAdjustment,
+    (adjustment) => adjustment.shipping_method,
+    {
+      cascade: [Cascade.PERSIST, "soft-remove"] as any,
+    }
+  )
+  adjustments = new Collection<ShippingMethodAdjustment>(this)
+
+  @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
+
+  @DeletedAtIndex()
+  @Property({ columnType: "timestamptz", nullable: true })
+  deleted_at: Date | null = null
+
+  @BeforeCreate()
+  onCreate() {
+    this.id = generateEntityId(this.id, "casm")
+  }
+
+  @OnInit()
+  onInit() {
+    this.id = generateEntityId(this.id, "casm")
+  }
+}