pre-dev: add logger

pkg/logger/logger.go

@@ -0,0 +1,66 @@
+// Package logger provides helper functions for logging
+package logger
+
+import (
+	"encoding/json"
+
+	lz "github.com/karincake/apem/logger-zerolog"
+	d "github.com/karincake/dodol"
+	l "github.com/karincake/lepet"
+)
+
+type Event struct {
+	// Context about the operation
+	Feature string // Feature area, e.g. "Create"
+	Action  string // Action being performed, e.g. "DBCreate"
+	Source  string // Source of event, usually present in each use case
+	Status  string // e.g. "started", "failed", "success"
+
+	// Error context
+	ErrInfo ErrorInfo
+}
+
+type ErrorInfo struct {
+	Code   string // used in lang json
+	Detail string
+	Raw    error
+}
+
+func SetLogInfo(e Event, data any) {
+	dataString, _ := json.Marshal(data)
+	lz.O.Info().
+		String("source", e.Source).
+		String("feature", e.Feature).
+		String("action", e.Action).
+		String("status", "started").
+		String("input", string(dataString)).
+		Send()
+}
+
+func SetLogError(e Event, data any) error {
+	dataString, _ := json.Marshal(data)
+	msg := l.I.Msg(e.ErrInfo.Code)
+
+	lz.O.Error().
+		String("message", msg).
+		String("source", e.Source).
+		String("feature", e.Feature).
+		String("action", e.Action).
+		String("status", e.Status).
+		String("error_code", e.ErrInfo.Code).
+		String("error_detail", e.ErrInfo.Detail).
+		String("data", string(dataString)).
+		Send()
+
+	if err, ok := e.ErrInfo.Raw.(d.FieldError); ok {
+		return err
+	}
+	if err, ok := e.ErrInfo.Raw.(d.FieldErrors); ok {
+		return err
+	}
+
+	if e.ErrInfo.Detail != "" {
+		return d.FieldError{Code: e.ErrInfo.Code, Message: e.ErrInfo.Detail}
+	}
+	return d.FieldError{Code: e.ErrInfo.Code, Message: msg}
+}