make application with base logic

internal/common/xcontext/log.go

@@ -0,0 +1,40 @@
+package xcontext
+
+import (
+	"context"
+	"log/slog"
+)
+
+type ctxLogKey struct{}
+
+type ctxLogAttrStore struct {
+	attrs []slog.Attr
+}
+
+func WithLogFields(ctx context.Context, fields ...slog.Attr) context.Context {
+	store, _ := ctx.Value(ctxLogKey{}).(ctxLogAttrStore)
+	store.attrs = append(store.attrs, fields...)
+
+	return context.WithValue(ctx, ctxLogKey{}, store)
+}
+
+func LogDebug(ctx context.Context, log *slog.Logger, msg string, attrs ...slog.Attr) {
+	log.LogAttrs(ctx, slog.LevelDebug, msg, append(attrs, getLogFields(ctx)...)...)
+}
+
+func LogInfo(ctx context.Context, log *slog.Logger, msg string, attrs ...slog.Attr) {
+	log.LogAttrs(ctx, slog.LevelInfo, msg, append(attrs, getLogFields(ctx)...)...)
+}
+
+func LogWarn(ctx context.Context, log *slog.Logger, msg string, attrs ...slog.Attr) {
+	log.LogAttrs(ctx, slog.LevelWarn, msg, append(attrs, getLogFields(ctx)...)...)
+}
+
+func LogError(ctx context.Context, log *slog.Logger, msg string, attrs ...slog.Attr) {
+	log.LogAttrs(ctx, slog.LevelError, msg, append(attrs, getLogFields(ctx)...)...)
+}
+
+func getLogFields(ctx context.Context) []slog.Attr {
+	store, _ := ctx.Value(ctxLogKey{}).(ctxLogAttrStore)
+	return store.attrs
+}