add extended context

src/request_context/ctx.go

@@ -0,0 +1,59 @@
+package request_context
+
+import (
+	"context"
+	"time"
+)
+
+type RequestContext interface {
+	context.Context
+
+	RequestId() string
+	UserId() string
+}
+
+type Opts struct {
+	RequestId string
+	UserId    string
+}
+
+func New(opts Opts) RequestContext {
+	return reqCtx{
+		requestId: opts.RequestId,
+		userId:    opts.UserId,
+	}
+}
+
+type reqCtx struct {
+	ctx       context.Context
+	requestId string
+	userId    string
+}
+
+func (r reqCtx) Deadline() (deadline time.Time, ok bool) {
+	return r.ctx.Deadline()
+}
+
+func (r reqCtx) Done() <-chan struct{} {
+	return r.ctx.Done()
+}
+
+func (r reqCtx) Err() error {
+	return r.ctx.Err()
+}
+
+func (r reqCtx) Value(key any) any {
+	return r.ctx.Value(key)
+}
+
+func (r reqCtx) String() string {
+	return r.ctx.Err().Error()
+}
+
+func (r reqCtx) RequestId() string {
+	return r.requestId
+}
+
+func (r reqCtx) UserId() string {
+	return r.userId
+}