Add support for tax inclusivity to region and store (#7808)

This also includes rework of the currency model for the Store module.

This change is breaking as existing stores won't have any supported currencies set, so users would need to go to the store settings again and choose the supported currencies there.

packages/modules/store/src/migrations/.snapshot-medusa-store.json

@@ -25,25 +25,6 @@
           "default": "'Medusa Store'",
           "mappedType": "text"
         },
-        "supported_currency_codes": {
-          "name": "supported_currency_codes",
-          "type": "text[]",
-          "unsigned": false,
-          "autoincrement": false,
-          "primary": false,
-          "nullable": false,
-          "default": "'{}'",
-          "mappedType": "array"
-        },
-        "default_currency_code": {
-          "name": "default_currency_code",
-          "type": "text",
-          "unsigned": false,
-          "autoincrement": false,
-          "primary": false,
-          "nullable": true,
-          "mappedType": "text"
-        },
         "default_sales_channel_id": {
           "name": "default_sales_channel_id",
           "type": "text",
@@ -138,6 +119,118 @@
       ],
       "checks": [],
       "foreignKeys": {}
+    },
+    {
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "unsigned": false,
+          "autoincrement": false,
+          "primary": false,
+          "nullable": false,
+          "mappedType": "text"
+        },
+        "currency_code": {
+          "name": "currency_code",
+          "type": "text",
+          "unsigned": false,
+          "autoincrement": false,
+          "primary": false,
+          "nullable": false,
+          "mappedType": "text"
+        },
+        "is_default": {
+          "name": "is_default",
+          "type": "boolean",
+          "unsigned": false,
+          "autoincrement": false,
+          "primary": false,
+          "nullable": false,
+          "default": "false",
+          "mappedType": "boolean"
+        },
+        "store_id": {
+          "name": "store_id",
+          "type": "text",
+          "unsigned": false,
+          "autoincrement": false,
+          "primary": false,
+          "nullable": true,
+          "mappedType": "text"
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamptz",
+          "unsigned": false,
+          "autoincrement": false,
+          "primary": false,
+          "nullable": false,
+          "length": 6,
+          "default": "now()",
+          "mappedType": "datetime"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamptz",
+          "unsigned": false,
+          "autoincrement": false,
+          "primary": false,
+          "nullable": false,
+          "length": 6,
+          "default": "now()",
+          "mappedType": "datetime"
+        },
+        "deleted_at": {
+          "name": "deleted_at",
+          "type": "timestamptz",
+          "unsigned": false,
+          "autoincrement": false,
+          "primary": false,
+          "nullable": true,
+          "length": 6,
+          "mappedType": "datetime"
+        }
+      },
+      "name": "store_currency",
+      "schema": "public",
+      "indexes": [
+        {
+          "keyName": "IDX_store_currency_deleted_at",
+          "columnNames": [
+            "deleted_at"
+          ],
+          "composite": false,
+          "primary": false,
+          "unique": false,
+          "expression": "CREATE INDEX IF NOT EXISTS \"IDX_store_currency_deleted_at\" ON \"store_currency\" (deleted_at) WHERE deleted_at IS NOT NULL"
+        },
+        {
+          "keyName": "store_currency_pkey",
+          "columnNames": [
+            "id"
+          ],
+          "composite": false,
+          "primary": true,
+          "unique": true
+        }
+      ],
+      "checks": [],
+      "foreignKeys": {
+        "store_currency_store_id_foreign": {
+          "constraintName": "store_currency_store_id_foreign",
+          "columnNames": [
+            "store_id"
+          ],
+          "localTableName": "public.store_currency",
+          "referencedColumnNames": [
+            "id"
+          ],
+          "referencedTableName": "public.store",
+          "deleteRule": "cascade",
+          "updateRule": "cascade"
+        }
+      }
     }
   ]
 }

packages/modules/store/src/migrations/Migration20240621145944.ts

@@ -0,0 +1,21 @@
+import { Migration } from "@mikro-orm/migrations"
+
+export class Migration20240621145944 extends Migration {
+  async up(): Promise<void> {
+    this.addSql(
+      'create table if not exists "store_currency" ("id" text not null, "currency_code" text not null, "is_default" boolean not null default false, "store_id" text null, "created_at" timestamptz not null default now(), "updated_at" timestamptz not null default now(), "deleted_at" timestamptz null, constraint "store_currency_pkey" primary key ("id"));'
+    )
+    this.addSql(
+      'CREATE INDEX IF NOT EXISTS "IDX_store_currency_deleted_at" ON "store_currency" (deleted_at) WHERE deleted_at IS NOT NULL;'
+    )
+    this.addSql(
+      'alter table if exists "store_currency" add constraint "store_currency_store_id_foreign" foreign key ("store_id") references "store" ("id") on update cascade on delete cascade;'
+    )
+    this.addSql(
+      'alter table if exists "store" drop column if exists "supported_currency_codes";'
+    )
+    this.addSql(
+      'alter table if exists "store" drop column if exists "default_currency_code";'
+    )
+  }
+}