feat: allow answerId in shorthand overflow URL (#91)

Author: httpjamesm

main.go

@@ -52,6 +52,7 @@ func main() {
 
 	r.GET("/a/:id", routes.RedirectShortenedOverflowURL)
 	r.GET("/q/:id", routes.RedirectShortenedOverflowURL)
+	r.GET("/q/:id/:answerId", routes.RedirectShortenedOverflowURL)
 
 	r.GET("/questions/:id", func(c *gin.Context) {
 		// redirect user to the question with the title

src/routes/shortened.go

@@ -11,6 +11,7 @@ import (
 
 func RedirectShortenedOverflowURL(c *gin.Context) {
 	id := c.Param("id")
+	answerId := c.Param("answerId")
 
 	// fetch the stack overflow URL
 	client := resty.New()
@@ -20,7 +21,7 @@ func RedirectShortenedOverflowURL(c *gin.Context) {
 		}),
 	)
 
-	resp, err := client.R().Get(fmt.Sprintf("https://www.stackoverflow.com/a/%s", id))
+	resp, err := client.R().Get(fmt.Sprintf("https://www.stackoverflow.com/a/%s/%s", id, answerId))
 	if err != nil {
 		c.HTML(400, "home.html", gin.H{
 			"errorMessage": "Unable to fetch stack overflow URL",