feat: Add support for managing tax inclusivity (#7943)

UI / HTTP / Workflows will come in separate PRs

REF CORE-2376

packages/modules/pricing/src/models/index.ts

@@ -3,3 +3,4 @@ export { default as PriceList } from "./price-list"
 export { default as PriceListRule } from "./price-list-rule"
 export { default as PriceRule } from "./price-rule"
 export { default as PriceSet } from "./price-set"
+export { default as PricePreference } from "./price-preference"

packages/modules/pricing/src/models/price-preference.ts

@@ -0,0 +1,75 @@
+import {
+  createPsqlIndexStatementHelper,
+  DALUtils,
+  generateEntityId,
+} from "@medusajs/utils"
+import {
+  BeforeCreate,
+  Entity,
+  Filter,
+  OnInit,
+  PrimaryKey,
+  Property,
+} from "@mikro-orm/core"
+
+export const uniquePreferenceRuleIndexName =
+  "IDX_price_preference_attribute_value"
+const UniquePreferenceRuleIndexStatement = createPsqlIndexStatementHelper({
+  name: uniquePreferenceRuleIndexName,
+  tableName: "price_preference",
+  columns: ["attribute", "value"],
+  unique: true,
+  where: "deleted_at IS NULL",
+})
+
+const DeletedAtIndex = createPsqlIndexStatementHelper({
+  tableName: "price_preference",
+  columns: "deleted_at",
+  where: "deleted_at IS NOT NULL",
+})
+
+@Entity()
+@Filter(DALUtils.mikroOrmSoftDeletableFilterOptions)
+@UniquePreferenceRuleIndexStatement.MikroORMIndex()
+export default class PricePreference {
+  @PrimaryKey({ columnType: "text" })
+  id: string
+
+  @Property({ columnType: "text" })
+  attribute: string
+
+  @Property({ columnType: "text", nullable: true })
+  value: string | null = null
+
+  @Property({ default: false })
+  is_tax_inclusive: boolean
+
+  @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.MikroORMIndex()
+  @Property({ columnType: "timestamptz", nullable: true })
+  deleted_at: Date | null = null
+
+  @BeforeCreate()
+  onCreate() {
+    this.id = generateEntityId(this.id, "prpref")
+  }
+
+  @OnInit()
+  onInit() {
+    this.id = generateEntityId(this.id, "prpref")
+  }
+}