refactor: rename api.Ctx to api.Context, extends context.Context with helper methods

api/context.go

@@ -3,14 +3,8 @@ package api
 import (
 	"context"
 	"net/http"
-)
 
-// custom context key type
-type ctxKey int
-
-const (
-	ctxRequest ctxKey = iota
-	ctxAuth
+	"git.xdrm.io/go/aicra/internal/ctx"
 )
 
 // Context is a simple wrapper around context.Context that adds helper methods
@@ -20,7 +14,7 @@ type Context struct{ context.Context }
 // Request current request
 func (c Context) Request() *http.Request {
 	var (
-		raw      = c.Value(ctxRequest)
+		raw      = c.Value(ctx.Request)
 		cast, ok = raw.(*http.Request)
 	)
 	if !ok {
@@ -29,10 +23,22 @@ func (c Context) Request() *http.Request {
 	return cast
 }
 
+// ResponseWriter for this request
+func (c Context) ResponseWriter() http.ResponseWriter {
+	var (
+		raw      = c.Value(ctx.Response)
+		cast, ok = raw.(http.ResponseWriter)
+	)
+	if !ok {
+		return nil
+	}
+	return cast
+}
+
 // Auth associated with this request
 func (c Context) Auth() *Auth {
 	var (
-		raw      = c.Value(ctxAuth)
+		raw      = c.Value(ctx.Auth)
 		cast, ok = raw.(*Auth)
 	)
 	if !ok {