restructure project, add claudemd

go/l4g/file.go

@@ -0,0 +1,109 @@
+package l4g
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"time"
+)
+
+type FileLogger struct {
+	filePath string
+}
+
+func NewFileLogger(filePath string) *FileLogger {
+	return &FileLogger{filePath: filePath}
+}
+
+func (f *FileLogger) Write(entry Entry) error {
+	err := f.ensureLogFileExists()
+	if err != nil {
+		return err
+	}
+
+	file, err := os.OpenFile(f.filePath, os.O_APPEND|os.O_WRONLY, 0644)
+	if err != nil {
+		return fmt.Errorf("failed to open log file: %w", err)
+	}
+	defer file.Close()
+
+	timestamp := entry.Timestamp.Format(time.RFC3339)
+
+	var category string
+	switch entry.Category {
+	case CATEGORY_SYSTEM:
+		category = "SYSTEM"
+	case CATEGORY_ADMIN:
+		category = "ADMIN"
+	case CATEGORY_USER:
+		category = "USER"
+	case CATEGORY_ORG:
+		category = "ORG"
+	case CATEGORY_AUDIT:
+		category = "AUDIT"
+	case CATEGORY_AUTH:
+		category = "AUTH"
+	default:
+		category = "UNKNOWN"
+	}
+
+	var logType string
+	switch entry.LogType {
+	case TYPE_DEBUG:
+		logType = "DEBUG"
+	case TYPE_INFO:
+		logType = "INFO"
+	case TYPE_WARN:
+		logType = "WARN"
+	case TYPE_ERROR:
+		logType = "ERROR"
+	default:
+		logType = "UNKNOWN"
+	}
+
+	content := ""
+	if entry.Content != nil {
+		content = *entry.Content
+	}
+
+	logLine := fmt.Sprintf("[%s] %s/%s: %s", timestamp, category, logType, content)
+
+	if entry.StructuredContent != nil {
+		logLine += fmt.Sprintf(" | Details: %s", *entry.StructuredContent)
+	}
+
+	logLine += "\n"
+
+	_, err = file.WriteString(logLine)
+	if err != nil {
+		return fmt.Errorf("failed to write to log file: %w", err)
+	}
+
+	return nil
+}
+
+func (f *FileLogger) Fatal(entry Entry) error {
+	err := f.Write(entry)
+	if err != nil {
+		return err
+	}
+	os.Exit(1)
+	return nil
+}
+
+func (f *FileLogger) ensureLogFileExists() error {
+	dir := filepath.Dir(f.filePath)
+	if err := os.MkdirAll(dir, 0755); err != nil {
+		return fmt.Errorf("failed to create log directory: %w", err)
+	}
+
+	if _, err := os.Stat(f.filePath); os.IsNotExist(err) {
+		file, err := os.Create(f.filePath)
+		if err != nil {
+			return fmt.Errorf("failed to create log file: %w", err)
+		}
+		file.Close()
+	}
+
+	return nil
+}