feat: implement new generic parser and improve production readyness

helpers/helpers.go

@@ -3,11 +3,10 @@ package helpers
 import (
 	"fmt"
 	"log/slog"
-	"os"
 	"regexp"
 	"strings"
 	"time"
-	"tixel_watch/models"
+	"watch-tool/models"
 )
 
 var (
@@ -76,11 +75,3 @@ func ParseSyslogTimeToRFC3339(syslogTime string) (time.Time, error) {
 	t = t.AddDate(now.Year(), 0, 0)
 	return t, nil
 }
-
-func GetHostname() (string, error) {
-	hostname, err := os.Hostname()
-	if err != nil {
-		hostname = "unknown"
-	}
-	return hostname, nil
-}

helpers/utils.go

@@ -0,0 +1,47 @@
+package helpers
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"runtime/debug"
+)
+
+type AppError struct {
+	Op      string
+	Err     error
+	Context string
+}
+
+func (e *AppError) Error() string {
+	if e.Context != "" {
+		return fmt.Sprintf("%s: %v (%s)", e.Op, e.Err, e.Context)
+	}
+	return fmt.Sprintf("%s: %v", e.Op, e.Err)
+}
+
+func (e *AppError) Unwrap() error {
+	return e.Err
+}
+
+func NewAppError(op string, err error, ctx string) error {
+	return &AppError{Op: op, Err: err, Context: ctx}
+}
+
+func SafeGo(ctx context.Context, name string, fn func()) {
+	go func() {
+		defer func() {
+			if r := recover(); r != nil {
+				stack := string(debug.Stack())
+				slog.Error("CRITICAL: Panic recovered in goroutine",
+					"goroutine", name,
+					"panic", r,
+					"stack", stack,
+				)
+				// Optional: Hier könnte man Metriken inkrementieren (siehe Observability)
+			}
+		}()
+
+		fn()
+	}()
+}