Wikid82
81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
package services
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import (
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"bufio"
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"os"
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"path/filepath"
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"strings"
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"time"
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"github.com/Wikid82/CaddyProxyManagerPlus/backend/internal/config"
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)
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type LogService struct {
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LogDir string
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}
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func NewLogService(cfg *config.Config) *LogService {
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// Assuming logs are in data/logs relative to app root
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logDir := filepath.Join(filepath.Dir(cfg.DatabasePath), "logs")
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return &LogService{LogDir: logDir}
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}
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type LogFile struct {
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Name string `json:"name"`
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Size int64 `json:"size"`
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ModTime string `json:"mod_time"`
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}
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func (s *LogService) ListLogs() ([]LogFile, error) {
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entries, err := os.ReadDir(s.LogDir)
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if err != nil {
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return nil, err
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}
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var logs []LogFile
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for _, entry := range entries {
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if !entry.IsDir() && (strings.HasSuffix(entry.Name(), ".log") || strings.Contains(entry.Name(), ".log.")) {
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info, err := entry.Info()
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if err != nil {
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continue
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}
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logs = append(logs, LogFile{
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Name: entry.Name(),
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Size: info.Size(),
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ModTime: info.ModTime().Format(time.RFC3339),
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})
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}
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}
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return logs, nil
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}
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// ReadLog reads the last N lines of a log file
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func (s *LogService) ReadLog(filename string, lines int) ([]string, error) {
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// Basic sanitization
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clean := filepath.Base(filename)
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path := filepath.Join(s.LogDir, clean)
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file, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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defer file.Close()
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// This is a simple implementation. For huge files, we should seek to the end and read backwards.
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// For now, reading the whole file and taking the last N lines is "okay" for rotated logs (10MB max).
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var result []string
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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result = append(result, scanner.Text())
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}
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if err := scanner.Err(); err != nil {
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return nil, err
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}
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if len(result) > lines {
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return result[len(result)-lines:], nil
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}
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return result, nil
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}
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