51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
package logging
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import (
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"io"
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"log"
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"log/slog"
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"os"
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"path"
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"time"
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"git.a71.su/Andrew71/hibiscus-txt/internal/config"
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"github.com/go-chi/chi/v5/middleware"
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)
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var DebugMode = false
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// file returns the appropriate filename for log
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// (log_dir/hibiscus_YYYY-MM-DD_HH:MM:SS.log)
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func file() string {
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return config.Cfg.LogDir + "/hibiscus_" + time.Now().In(config.Cfg.Timezone).Format("2006-01-02_15:04:05") + ".log"
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}
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// LogInit makes slog output to both os.Stdout and a file if needed, and sets slog.LevelDebug if enabled.
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func LogInit() {
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logFile := file()
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var w io.Writer = os.Stdout
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if config.Cfg.LogToFile {
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// Create dir in case it doesn't exist yet to avoid errors
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err := os.MkdirAll(path.Dir(logFile), 0755)
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if err != nil {
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slog.Error("error creating log dir, logging to stdout only", "path", path.Dir(logFile), "error", err)
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} else {
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f, err := os.OpenFile(logFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
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if err != nil {
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slog.Error("error opening log file, logging to stdout only", "path", logFile, "error", err)
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return
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}
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// No defer f.Close() because that breaks the MultiWriter
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w = io.MultiWriter(f, os.Stdout)
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}
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}
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// Make slog and chi use intended format
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var opts *slog.HandlerOptions
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if DebugMode {
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opts = &slog.HandlerOptions{Level: slog.LevelDebug}
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}
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slog.SetDefault(slog.New(slog.NewTextHandler(w, opts)))
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middleware.DefaultLogger = middleware.RequestLogger(&middleware.DefaultLogFormatter{Logger: log.Default(), NoColor: true})
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slog.Debug("Debug mode enabled") // This string is only shown if debugging
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}
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