Add configuration options for log level

pkg/log/xorm_logger.go

@@ -19,6 +19,7 @@ package log
 import (
 	"code.vikunja.io/api/pkg/config"
 	"github.com/op/go-logging"
+	"strings"
 	"time"
 	"xorm.io/core"
 	"xorm.io/xorm/log"
@@ -38,7 +39,7 @@ type XormLogger struct {
 
 // NewXormLogger creates and initializes a new xorm logger
 func NewXormLogger() *XormLogger {
-	level, err := logging.LogLevel(config.LogDatabaseLevel.GetString())
+	level, err := logging.LogLevel(strings.ToUpper(config.LogDatabaseLevel.GetString()))
 	if err != nil {
 		Critical("Error setting database log level: %s", err.Error())
 	}