Squash merge audio-player-component into main

backend/logging/logging.go

@@ -1,11 +1,94 @@
+// Package logging provides a slog-based logger adapter for Wails.
 package logging
 
 import (
-	"encoding/json"
+	"fmt"
+	"log/slog"
+	"strings"
 )
 
-// TODO check that error
-func PrettyJSON(obj interface{}) string {
-	bytes, _ := json.MarshalIndent(obj, "\t", "\t")
-	return string(bytes)
+// Logger wraps slog to implement the Wails logger interface.
+type Logger struct {
+	slogger       *slog.Logger
+	moduleFilters []string
+}
+
+// NewLogger creates a logger with optional message filters.
+func NewLogger(slogger *slog.Logger, filters []string) *Logger {
+	return &Logger{
+		slogger:       slogger,
+		moduleFilters: filters,
+	}
+}
+
+// Print outputs a message if not filtered.
+func (l *Logger) Print(message string) {
+	if l.isFilteredOut(message) {
+		return
+	}
+
+	fmt.Printf("[Print] %s\n", message)
+}
+
+// Trace logs a trace-level message if not filtered.
+func (l *Logger) Trace(message string) {
+	if l.isFilteredOut(message) {
+		return
+	}
+
+	l.slogger.Debug("[Trace] " + message)
+}
+
+// Debug logs a debug-level message if not filtered.
+func (l *Logger) Debug(message string) {
+	if l.isFilteredOut(message) {
+		return
+	}
+
+	l.slogger.Debug(message)
+}
+
+// Info logs an info-level message if not filtered.
+func (l *Logger) Info(message string) {
+	if l.isFilteredOut(message) {
+		return
+	}
+
+	l.slogger.Info(message)
+}
+
+// Warning logs a warning-level message if not filtered.
+func (l *Logger) Warning(message string) {
+	if l.isFilteredOut(message) {
+		return
+	}
+
+	l.slogger.Warn(message)
+}
+
+func (l *Logger) Error(message string) {
+	if l.isFilteredOut(message) {
+		return
+	}
+
+	l.slogger.Error(message)
+}
+
+// Fatal logs a fatal-level message if not filtered.
+func (l *Logger) Fatal(message string) {
+	if l.isFilteredOut(message) {
+		return
+	}
+
+	l.slogger.Error("[Trace] " + message)
+}
+
+func (l *Logger) isFilteredOut(message string) bool {
+	for _, f := range l.moduleFilters {
+		if strings.HasPrefix(message, fmt.Sprintf("[%s]", f)) {
+			return true
+		}
+	}
+
+	return false
 }