Files
calorie-counter/settingsservice.go
2024-08-09 16:34:19 +02:00

63 lines
1.5 KiB
Go

package main
import (
"fmt"
"log"
"reflect"
)
type (
SettingsService struct {
db *DB
}
)
type settings struct {
FoodDaysLookback int
FoodAggregatedDaysLookback int
FoodDailyLookback int
FoodWeeklyLookback int
FoodMonthlyLookback int
FoodYearlyLookback int
WeightDaysLookback int
WeightAggregatedDaysLookback int
WeightDailyLookback int
WeightWeeklyLookback int
WeightMonthlyLookback int
WeightYearlyLookback int
Target int
}
var Settings settings
func (s *SettingsService) LoadSettings() error {
if s.db == nil || !s.db.Ready {
return fmt.Errorf("cannot load Settings, db is nil or is not ready")
}
settingsValue := reflect.ValueOf(&Settings).Elem()
settingsType := settingsValue.Type()
for i := 0; i < settingsValue.NumField(); i++ {
field := settingsType.Field(i)
key := field.Name
var value int
err := s.db.readConn.QueryRow("SELECT value FROM settings WHERE key = ?", key).Scan(&value)
if err != nil {
log.Printf("error getting setting for key %s: %v; setting default", key, err)
_, err := s.db.writeConn.Exec("INSERT INTO settings (key, value) VALUES (?, ?)", key, field.Tag.Get("default"))
if err != nil {
log.Printf("error inserting setting for key %s: %v", key, err)
continue
}
}
settingsValue.Field(i).SetInt(int64(value))
log.Println(key, value)
}
return nil
}