refactor logging setup and split local/remote close APIs

utils/utils.go

@@ -14,3 +14,29 @@ func GetLoggerLevel() slog.LogLevel {
 	}
 	return level
 }
+
+// CreateLogger creates a logger with the shared default policy:
+// JSON stdout output, provided prefix, and provided level.
+func CreateLogger(prefix string, level slog.LogLevel) *slog.Logger {
+	logger := slog.CreateLogger().Level(level)
+	if prefix != "" {
+		logger.Prefix(prefix)
+	}
+	logger.AddWriter(logger.CreateJsonStdoutWriter())
+	return logger
+}
+
+// CreateFileLogger creates a logger with the shared default policy and appends
+// file output to the provided path.
+//
+// The returned logger is always non-nil. When file writer creation fails, the
+// logger still writes to stdout and the error is returned to the caller.
+func CreateFileLogger(prefix string, level slog.LogLevel, filePath string) (*slog.Logger, error) {
+	logger := CreateLogger(prefix, level)
+	fileWriter, err := logger.CreateTextFileWriter(filePath)
+	if err != nil {
+		return logger, err
+	}
+	logger.AddWriter(fileWriter)
+	return logger, nil
+}

utils/utils_test.go

@@ -0,0 +1,34 @@
+package utils
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"git.nix13.pw/scuroneko/slog"
+)
+
+func TestCreateFileLoggerWritesToConfiguredFile(t *testing.T) {
+	logPath := filepath.Join(t.TempDir(), "main.log")
+
+	logger, err := CreateFileLogger("TEST", slog.DEBUG, logPath)
+	if err != nil {
+		t.Fatalf("CreateFileLogger returned error: %v", err)
+	}
+	logger.Infoln("hello from file logger")
+	if err := logger.Close(); err != nil {
+		t.Fatalf("Close returned error: %v", err)
+	}
+
+	data, err := os.ReadFile(logPath)
+	if err != nil {
+		t.Fatalf("ReadFile returned error: %v", err)
+	}
+	if !strings.Contains(string(data), "hello from file logger") {
+		t.Fatalf("expected log message in file, got %q", string(data))
+	}
+	if !strings.Contains(string(data), "[TEST]") {
+		t.Fatalf("expected prefix in file, got %q", string(data))
+	}
+}

utils/version.go

@@ -1,9 +1,9 @@
 package utils
 
 const (
-	VersionString = "1.0.0-rc.5"
+	VersionString = "1.0.0-rc.7"
 	VersionMajor  = 1
 	VersionMinor  = 0
 	VersionPatch  = 0
-	VersionBeta   = 5
+	VersionBeta   = 7
 )