fix linter's warnings

Makefile

@@ -6,3 +6,5 @@ migrate_up:
 	CONFIG_PATH=./config/local.yaml go run ./cmd/migrator/main.go --migrations-path ./migrations
 migrate_down:
 	CONFIG_PATH=./config/local.yaml go run ./cmd/migrator/main.go --migrations-path ./migrations --down
+run_parser:
+	go run ./cmd/parser/main.go -config ./config/local.yaml

internal/parser/parser.go

@@ -27,11 +27,13 @@ var PHPSESSID string
 var parseKey string
 
 var (
-	KeyNotFoundErr    = errors.New("key not found")
-	CookieNotFoundErr = errors.New("cookie not found")
-	NotSuccessReqErr  = errors.New("not success request")
-	EmptyLinkErr      = errors.New("empty link")
-	RecipeExistsErr   = errors.New("recipe already exists")
+	KeyNotFoundErr      = errors.New("key not found")
+	CookieNotFoundErr   = errors.New("cookie not found")
+	NotSuccessReqErr    = errors.New("not success request")
+	EmptyLinkErr        = errors.New("empty link")
+	RecipeExistsErr     = errors.New("recipe already exists")
+	FailUpdatePHPSESSID = errors.New("failed to update PHPSESSID")
+	FailUpdateKEY       = errors.New("failed to update KEY")
 )
 
 type pictureSaver interface {
@@ -59,7 +61,10 @@ func SaveAllPages(log *slog.Logger, ps pictureSaver, rs recipeSaver, rp recipePr
 	for i := 2; i <= total; i++ {
 		log.Debug(fmt.Sprintf("Сохраняю страницу %d...\n", i))
 		_, err = SavePage(log, i, ps, rs, rp)
-
+		if err != nil {
+			log.Error("Страница не сохранена", "err", fmt.Errorf("%s: %w", op, err))
+			continue
+		}
 		log.Debug(fmt.Sprintf("Страница %d сохранена\n", i))
 	}
 	return nil
@@ -86,10 +91,16 @@ func SavePage(log *slog.Logger, page int, ps pictureSaver, rs recipeSaver, rp re
 		if err != nil {
 			return 0, fmt.Errorf("%s: %w", op, err)
 		}
-		// update PHPSESSID and key
+		// update PHPSESSID and KEY
 		if resp.Message == "Could not load config" {
-			GetPHPSESSID(log)
-			GetKey(log)
+			err = GetPHPSESSID(log)
+			if err != nil {
+				return 0, fmt.Errorf("%s: %w", op, FailUpdatePHPSESSID)
+			}
+			err = GetKey(log)
+			if err != nil {
+				return 0, fmt.Errorf("%s: %w", op, FailUpdateKEY)
+			}
 			continue
 		}
 		if !resp.Success {

internal/storage/postgresql/postgresql.go

@@ -44,6 +44,9 @@ func (s *Storage) AddRecipe(ctx context.Context, recipe models.Recipe) error {
 		"insert into recipe (title, description, image, cooking_time, servings, cal) values ($1, $2, $3, $4, $5, $6) returning id",
 		recipe.Title, recipe.Description, recipe.Image, recipe.CookingTime, recipe.ServingsNum, recipe.Calories,
 	).Scan(&id)
+	if err != nil {
+		return fmt.Errorf("%s: %w", op, err)
+	}
 
 	// insert ingredients
 	for _, r := range recipe.Ingredients {
@@ -71,29 +74,38 @@ func (s *Storage) AddRecipe(ctx context.Context, recipe models.Recipe) error {
 
 	// insert steps
 	for i, step := range recipe.Recipe_steps {
-		s.db.Exec(
+		_, err = s.db.Exec(
 			ctx,
 			"insert into recipe_steps (recipe_id, step_num, step_text) values ($1, $2, $3)",
 			id, i, step,
 		)
+		if err != nil {
+			return fmt.Errorf("%s: %w", op, err)
+		}
 	}
 
 	// insert advices
 	for _, a := range recipe.Advices {
-		s.db.Exec(
+		_, err = s.db.Exec(
 			ctx,
 			"insert into recipe_advices (recipe_id, advice) values ($1, $2)",
 			id, a,
 		)
+		if err != nil {
+			return fmt.Errorf("%s: %w", op, err)
+		}
 	}
 
 	// insert categories
 	for _, c := range recipe.Categories {
-		s.db.Exec(
+		_, err = s.db.Exec(
 			ctx,
 			"insert into recipe_categories (recipe_id, category) values ($1, $2)",
 			id, c,
 		)
+		if err != nil {
+			return fmt.Errorf("%s: %w", op, err)
+		}
 	}
 
 	// commit transaction
@@ -233,7 +245,10 @@ func (s *Storage) GetRecipesByCategory(ctx context.Context, offset, limit int, c
 			return nil, fmt.Errorf("%s: %w", op, err)
 		}
 
-		s.AddRecipeInformation(ctx, &r)
+		err = s.AddRecipeInformation(ctx, &r)
+		if err != nil {
+			return nil, fmt.Errorf("%s: %w", op, err)
+		}
 
 		recipes = append(recipes, r)
 	}