refactor platform logic modules

backend/api/internal/logic/platform/dashboard/dashboard.go

@@ -0,0 +1,22 @@
+package dashboard
+
+import (
+	"git.apinb.com/bsm-sdk/core/infra"
+	"git.apinb.com/heqiapp/platforms/backend/api/internal/models"
+	"github.com/gin-gonic/gin"
+)
+
+// PingHello 返回匿名健康状态。
+func PingHello(ctx *gin.Context) {
+	infra.Response.Success(ctx, gin.H{"service": "platform-api", "status": "ok"})
+}
+
+// DashboardOverview 返回平台总后台的运营概览数据。
+func DashboardOverview(ctx *gin.Context) {
+	overview, err := models.GetDashboardOverview()
+	if err != nil {
+		infra.Response.Error(ctx, err)
+		return
+	}
+	infra.Response.Success(ctx, overview)
+}

backend/api/internal/logic/platform/dashboard/dashboard_test.go

@@ -0,0 +1,30 @@
+package dashboard
+
+import (
+	"regexp"
+	"testing"
+
+	"git.apinb.com/heqiapp/platforms/backend/api/internal/models"
+	"github.com/DATA-DOG/go-sqlmock"
+)
+
+func TestDashboardOverviewReturnsZeroValuesForAnEmptyDatabase(t *testing.T) {
+	_, mock := setupDashboardDatabase(t)
+	for _, query := range []string{
+		`SELECT count\(\*\) FROM "gas_basic" WHERE status = \$1`,
+		`SELECT count\(\*\) FROM "delivery_basic" WHERE status = \$1`,
+		`SELECT count\(\*\) FROM "staff_account" WHERE work_status = \$1`,
+		`SELECT count\(\*\) FROM "user_account" WHERE status = \$1`,
+	} {
+		mock.ExpectQuery(regexp.MustCompile(query).String()).WithArgs(sqlmock.AnyArg()).WillReturnRows(sqlmock.NewRows([]string{"count"}).AddRow(0))
+	}
+
+	overview, err := models.GetDashboardOverview()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if overview != (models.DashboardOverview{}) {
+		t.Fatalf("empty dashboard = %#v, want zero values", overview)
+	}
+	assertDashboardMockExpectations(t, mock)
+}

backend/api/internal/logic/platform/dashboard/test_helpers_test.go

@@ -0,0 +1,36 @@
+package dashboard
+
+import (
+	"testing"
+
+	"git.apinb.com/heqiapp/platforms/backend/api/internal/impl"
+	"github.com/DATA-DOG/go-sqlmock"
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+)
+
+func setupDashboardDatabase(t *testing.T) (*gorm.DB, sqlmock.Sqlmock) {
+	t.Helper()
+	previous := impl.DBService
+	sqlDatabase, mock, err := sqlmock.New()
+	if err != nil {
+		t.Fatal(err)
+	}
+	database, err := gorm.Open(postgres.New(postgres.Config{Conn: sqlDatabase}), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	impl.DBService = database
+	t.Cleanup(func() {
+		impl.DBService = previous
+		_ = sqlDatabase.Close()
+	})
+	return database, mock
+}
+
+func assertDashboardMockExpectations(t *testing.T, mock sqlmock.Sqlmock) {
+	t.Helper()
+	if err := mock.ExpectationsWereMet(); err != nil {
+		t.Fatal(err)
+	}
+}