feat: create session. (also print the x-rid into the log)

internal/pkg/log/log.go

@@ -26,6 +26,8 @@ import (
 	"os"
 	"sync"
 
+	"git.vinchent.xyz/vinchent/howmuch/internal/pkg/core"
+	"git.vinchent.xyz/vinchent/howmuch/internal/pkg/middleware"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 )
@@ -100,6 +102,26 @@ func NewLogger(opts *Options) *zapLogger {
 	return &zapLogger{z: z}
 }
 
+// CtxLog writes context's information into the log
+func CtxLog(ctx core.Context) *zapLogger {
+	return std.CtxLog(ctx)
+}
+
+func (z *zapLogger) CtxLog(ctx core.Context) *zapLogger {
+	zz := z.clone()
+
+	if rid := ctx.GetHeader(middleware.XRequestID); rid != "" {
+		zz.z = zz.z.With(zap.Any(middleware.XRequestID, rid))
+	}
+
+	return zz
+}
+
+func (z *zapLogger) clone() *zapLogger {
+	zz := *z
+	return &zz
+}
+
 func (z *zapLogger) FatalLog(msg string, keyValues ...interface{}) {
 	z.z.Sugar().Fatalw(msg, keyValues...)
 }