Update pricelist repository, service, and tests

internal/repository/pricelist_test.go

@@ -0,0 +1,64 @@
+package repository
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	"git.mchus.pro/mchus/quoteforge/internal/models"
+	"github.com/glebarez/sqlite"
+	"gorm.io/gorm"
+)
+
+func TestGenerateVersion_FirstOfDay(t *testing.T) {
+	repo := newTestPricelistRepository(t)
+
+	version, err := repo.GenerateVersion()
+	if err != nil {
+		t.Fatalf("GenerateVersion returned error: %v", err)
+	}
+
+	today := time.Now().Format("2006-01-02")
+	want := fmt.Sprintf("%s-001", today)
+	if version != want {
+		t.Fatalf("expected %s, got %s", want, version)
+	}
+}
+
+func TestGenerateVersion_UsesMaxSuffixNotCount(t *testing.T) {
+	repo := newTestPricelistRepository(t)
+	today := time.Now().Format("2006-01-02")
+
+	seed := []models.Pricelist{
+		{Version: fmt.Sprintf("%s-001", today), CreatedBy: "test", IsActive: true},
+		{Version: fmt.Sprintf("%s-003", today), CreatedBy: "test", IsActive: true},
+	}
+	for _, pl := range seed {
+		if err := repo.Create(&pl); err != nil {
+			t.Fatalf("seed insert failed: %v", err)
+		}
+	}
+
+	version, err := repo.GenerateVersion()
+	if err != nil {
+		t.Fatalf("GenerateVersion returned error: %v", err)
+	}
+
+	want := fmt.Sprintf("%s-004", today)
+	if version != want {
+		t.Fatalf("expected %s, got %s", want, version)
+	}
+}
+
+func newTestPricelistRepository(t *testing.T) *PricelistRepository {
+	t.Helper()
+
+	db, err := gorm.Open(sqlite.Open("file::memory:?cache=shared"), &gorm.Config{})
+	if err != nil {
+		t.Fatalf("open sqlite: %v", err)
+	}
+	if err := db.AutoMigrate(&models.Pricelist{}); err != nil {
+		t.Fatalf("migrate: %v", err)
+	}
+	return NewPricelistRepository(db)
+}