feat(medusa,dashboard,tax): added tax rates and regions UI (#7026)

whats missing:

- make rules required for overrides
- conditions for other rules
- populating condition reference ids with labels on update

Co-authored-by: Adrien de Peretti <25098370+adrien2p@users.noreply.github.com>

integration-tests/modules/__tests__/tax/admin/tax.spec.ts

@@ -1,8 +1,8 @@
-import { ITaxModuleService } from "@medusajs/types"
 import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import { ITaxModuleService } from "@medusajs/types"
 
-import { createAdminUser } from "../../../../helpers/create-admin-user"
 import { medusaIntegrationTestRunner } from "medusa-test-utils"
+import { createAdminUser } from "../../../../helpers/create-admin-user"
 
 jest.setTimeout(50000)
 
@@ -58,6 +58,8 @@ medusaIntegrationTestRunner({
             updated_at: expect.any(String),
             deleted_at: null,
             created_by: null,
+            rules: [],
+            tax_region: expect.any(Object),
           },
         })
       })
@@ -91,6 +93,9 @@ medusaIntegrationTestRunner({
             created_by: "admin_user",
             provider_id: null,
             metadata: null,
+            children: [],
+            parent: null,
+            tax_rates: expect.any(Array),
           },
         })
 
@@ -121,6 +126,13 @@ medusaIntegrationTestRunner({
             deleted_at: null,
             created_by: "admin_user",
             is_combinable: false,
+            tax_region: expect.any(Object),
+            rules: [
+              expect.objectContaining({
+                reference: "product",
+                reference_id: "prod_1234",
+              }),
+            ],
           },
         })
 
@@ -147,6 +159,11 @@ medusaIntegrationTestRunner({
             created_by: "admin_user",
             metadata: null,
             provider_id: null,
+            children: [],
+            tax_rates: [],
+            parent: expect.objectContaining({
+              id: usRegionId,
+            }),
           },
         })
 
@@ -219,6 +236,9 @@ medusaIntegrationTestRunner({
             created_by: "admin_user",
             provider_id: null,
             metadata: null,
+            children: [],
+            parent: null,
+            tax_rates: expect.any(Array),
           },
         })
 
@@ -249,6 +269,13 @@ medusaIntegrationTestRunner({
             deleted_at: null,
             created_by: "admin_user",
             is_combinable: false,
+            tax_region: expect.any(Object),
+            rules: [
+              expect.objectContaining({
+                reference: "product",
+                reference_id: "prod_1234",
+              }),
+            ],
           },
         })
 
@@ -279,6 +306,13 @@ medusaIntegrationTestRunner({
             updated_at: expect.any(String),
             created_by: "admin_user",
             is_combinable: true,
+            tax_region: expect.any(Object),
+            rules: [
+              expect.objectContaining({
+                reference: "product",
+                reference_id: "prod_1234",
+              }),
+            ],
           },
         })
       })
@@ -331,6 +365,43 @@ medusaIntegrationTestRunner({
         expect(rates[0].deleted_at).not.toBeNull()
       })
 
+      it("can retrieve a tax region", async () => {
+        const region = await service.createTaxRegions({
+          country_code: "us",
+        })
+
+        const rate = await service.create({
+          tax_region_id: region.id,
+          code: "test",
+          rate: 2.5,
+          name: "Test Rate",
+        })
+
+        const response = await api.get(
+          `/admin/tax-regions/${region.id}`,
+          adminHeaders
+        )
+
+        expect(response.status).toEqual(200)
+        expect(response.data).toEqual({
+          tax_region: {
+            id: region.id,
+            country_code: "us",
+            province_code: null,
+            parent_id: null,
+            provider_id: null,
+            created_by: null,
+            created_at: expect.any(String),
+            updated_at: expect.any(String),
+            tax_rates: expect.any(Array),
+            deleted_at: null,
+            metadata: null,
+            children: [],
+            parent: null,
+          },
+        })
+      })
+
       it("can create a tax region and delete it", async () => {
         const regionRes = await api.post(
           `/admin/tax-regions`,