feat(admin): 品牌管理 + 新建商品

品牌管理：列出品牌及引用商品数，支持改名、合并重复品牌（把源品牌的商品并入目标后删除源）、删除未被引用的品牌。新建商品：商品列表新增「新建商品」入口，填写名称/条码/品牌/品类后创建并进入详情页继续补全。 Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
2026-06-21 01:31:07 +00:00
parent 4a693c8fe9
commit a36700076e
9 changed files with 926 additions and 11 deletions
@@ -0,0 +1,78 @@
+package adminstore
+
+import (
+	"context"
+	"errors"
+	"testing"
+)
+
+func TestBrandLifecycle(t *testing.T) {
+	s := newTestStore(t)
+	ctx := context.Background()
+
+	a, err := s.CreateBrand(ctx, "tester", "品牌A "+randomHex(4))
+	if err != nil {
+		t.Fatalf("create A: %v", err)
+	}
+	t.Cleanup(func() { _, _ = s.pool.Exec(ctx, "DELETE FROM brand WHERE id = $1", a.ID) })
+
+	b, err := s.CreateBrand(ctx, "tester", "品牌B "+randomHex(4))
+	if err != nil {
+		t.Fatalf("create B: %v", err)
+	}
+	t.Cleanup(func() { _, _ = s.pool.Exec(ctx, "DELETE FROM brand WHERE id = $1", b.ID) })
+
+	// Duplicate (normalized) name must be rejected.
+	if _, err := s.CreateBrand(ctx, "tester", "  "+a.Name+"  "); !errors.Is(err, ErrDuplicateBrand) {
+		t.Fatalf("expected ErrDuplicateBrand, got %v", err)
+	}
+
+	// Rename.
+	renamed, err := s.UpdateBrand(ctx, a.ID, "tester", "品牌A改名")
+	if err != nil {
+		t.Fatalf("rename: %v", err)
+	}
+	if renamed.Name != "品牌A改名" {
+		t.Fatalf("rename not applied: %q", renamed.Name)
+	}
+
+	// Attach a product to brand A so deletion is blocked and merge moves it.
+	var prodID string
+	err = s.pool.QueryRow(ctx,
+		"INSERT INTO product (name, brand_id, status) VALUES ($1,$2,'active') RETURNING id",
+		"测试商品 "+randomHex(4), a.ID).Scan(&prodID)
+	if err != nil {
+		t.Fatalf("insert product: %v", err)
+	}
+	t.Cleanup(func() { _, _ = s.pool.Exec(ctx, "DELETE FROM product WHERE id = $1", prodID) })
+
+	// Deleting an in-use brand must fail.
+	if err := s.DeleteBrand(ctx, a.ID, "tester"); !errors.Is(err, ErrBrandInUse) {
+		t.Fatalf("expected ErrBrandInUse, got %v", err)
+	}
+
+	// Merge A into B: product reassigned, A deleted.
+	merged, err := s.MergeBrands(ctx, a.ID, b.ID, "tester")
+	if err != nil {
+		t.Fatalf("merge: %v", err)
+	}
+	if merged.ID != b.ID || merged.ProductCount < 1 {
+		t.Fatalf("merge result wrong: %+v", merged)
+	}
+	if _, err := s.getBrand(ctx, a.ID); !errors.Is(err, ErrNotFound) {
+		t.Fatalf("source brand should be gone, got %v", err)
+	}
+
+	// Self-merge is invalid.
+	if _, err := s.MergeBrands(ctx, b.ID, b.ID, "tester"); !errors.Is(err, ErrInvalidMerge) {
+		t.Fatalf("expected ErrInvalidMerge, got %v", err)
+	}
+
+	// After moving the product away from B, B can be deleted.
+	if _, err := s.pool.Exec(ctx, "DELETE FROM product WHERE id = $1", prodID); err != nil {
+		t.Fatalf("cleanup product: %v", err)
+	}
+	if err := s.DeleteBrand(ctx, b.ID, "tester"); err != nil {
+		t.Fatalf("delete unused brand: %v", err)
+	}
+}