Rework settings to make them appear as if it was not a retard who wrote them

main.go

@@ -48,7 +48,7 @@ func main() {
 	}
 
 	settingsService := SettingsService{db: &db}
-	_, err = settingsService.LoadSettings()
+	err = settingsService.LoadSettings()
 	if err != nil {
 		Error.Printf("%++v", err)
 		os.Exit(1)

settingsservice.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"log"
+	"reflect"
 )
 
 type (
@@ -11,27 +12,36 @@ type (
 	}
 )
 
-var Settings map[string]string = map[string]string{
-	"FoodDaysLookback":             "7",
-	"FoodAggregatedDaysLookback":   "7",
-	"WeightDaysLookback":           "7",
-	"WeightAggregatedDaysLookback": "7",
+type settings struct {
+    FoodDaysLookback             string
+    FoodAggregatedDaysLookback   string
+    WeightDaysLookback           string
+    WeightAggregatedDaysLookback string
 }
 
-func (s *SettingsService) LoadSettings() (map[string]string, error) {
+var Settings settings
+
+func (s *SettingsService) LoadSettings() error {
 	if s.db == nil || !s.db.Ready {
-		return Settings, fmt.Errorf("cannot load Settings, db is nil or is not ready")
+		return fmt.Errorf("cannot load Settings, db is nil or is not ready")
 	}
 
-	for key := range Settings {
+    settingsValue := reflect.ValueOf(&Settings).Elem()
+    settingsType := settingsValue.Type()
+
+    for i := 0; i < settingsValue.NumField(); i++ {
+        field := settingsType.Field(i)
+        key := field.Name
+
         var value string
         err := s.db.readConn.QueryRow("SELECT value FROM settings WHERE key = ?", key).Scan(&value)
         if err != nil {
-			Error.Printf("error getting setting for key %s: %++v", key, err)
+            log.Printf("error getting setting for key %s: %v", key, err)
             continue
         }
+
+        settingsValue.Field(i).SetString(value)
         log.Println(key, value)
     }
-
-	return Settings, nil
+	return nil
 }