Implement creating food

foodservice.go

@@ -56,6 +56,21 @@ func (s *FoodService) GetRecent() ([]Food, error) {
 	return res, nil
 }
 
+func (s *FoodService) GetLastPer100(name string) (float32, error) {
+	if s.db == nil || !s.db.Ready {
+		return 0, fmt.Errorf("cannot get last per100, db is nil or is not ready")
+	}
+
+	row := s.db.readConn.QueryRow("SELECT per100 FROM food WHERE food like ? ORDER BY rowid DESC LIMIT 1", name+"%")
+	var per100 float32
+	err := row.Scan(&per100)
+	if err != nil {
+		return 0, fmt.Errorf("error scanning row: %v", err)
+	}
+
+	return per100, nil
+}
+
 func (s *FoodService) Create(food Food) (Food, error) {
 	if s.db == nil || !s.db.Ready {
 		return food, fmt.Errorf("cannot create food, db is nil or is not ready")