Add settings and implement auto default

settingsservice.go

@@ -13,10 +13,19 @@ type (
 )
 
 type settings struct {
-    FoodDaysLookback             string
-    FoodAggregatedDaysLookback   string
-    WeightDaysLookback           string
-    WeightAggregatedDaysLookback string
+	FoodDaysLookback           int
+	FoodAggregatedDaysLookback int
+	FoodDailyLookback          int
+	FoodWeeklyLookback         int
+	FoodMonthlyLookback        int
+	FoodYearlyLookback         int
+
+	WeightDaysLookback           int
+	WeightAggregatedDaysLookback int
+    WeightDailyLookback          int
+    WeightWeeklyLookback         int
+    WeightMonthlyLookback        int
+    WeightYearlyLookback         int
 }
 
 var Settings settings
@@ -26,22 +35,26 @@ func (s *SettingsService) LoadSettings() error {
 		return fmt.Errorf("cannot load Settings, db is nil or is not ready")
 	}
 
-    settingsValue := reflect.ValueOf(&Settings).Elem()
-    settingsType := settingsValue.Type()
+	settingsValue := reflect.ValueOf(&Settings).Elem()
+	settingsType := settingsValue.Type()
 
-    for i := 0; i < settingsValue.NumField(); i++ {
-        field := settingsType.Field(i)
-        key := field.Name
+	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 {
-            log.Printf("error getting setting for key %s: %v", key, err)
-            continue
-        }
+		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).SetString(value)
-        log.Println(key, value)
-    }
+		settingsValue.Field(i).SetInt(int64(value))
+		log.Println(key, value)
+	}
 	return nil
 }