// GetPostHandler exposes the post fetched from url var
func GetPostHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
idStr := vars["id"]
id, err := strconv.Atoi(idStr)
if err != nil {
fmt.Fprintf(w, "Id %v is not an integer", idStr)
return
}
post, err := fetchPost(id)
if err != nil {
fmt.Fprintf(w, "The post with id %v does not exist", idStr)
return
}
links := map[string]interface{}{}
links["self"] = "/posts/" + idStr
links["comments"] = "/posts/" + idStr + "/comments"
embedded := map[string]interface{}{}
embedded["comments"] = make([]map[string]interface{}, 0)
h := hal.HAL{Embedded: embedded, Links: links, Data: *post}
parsed := hal.JSON(h)
fmt.Fprintf(w, parsed)
}
// GetPostsHandler handles API calls for exposing posts
func GetPostsHandler(w http.ResponseWriter, r *http.Request) {
posts := getAllPosts()
links := map[string]interface{}{}
linkPosts := make([]map[string]string, len(posts))
for index, post := range posts {
strID := strconv.Itoa(post.ID)
linkPosts[index] = map[string]string{
"href": "/posts/" + strID,
"title": post.Title,
}
}
links["posts"] = linkPosts
embedded := map[string]interface{}{}
h := hal.HAL{Embedded: embedded, Links: links}
parsed := hal.JSON(h)
fmt.Fprintf(w, parsed)
}
func GetCommentsHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
idstr := vars["postid"]
id, err := strconv.Atoi(idstr)
ns := fmt.Sprintf("/posts/%v/comments", id)
if err != nil {
fmt.Fprintf(w, "Id %v is not an integer", idstr)
return
}
comments := GetComments(id)
links := map[string]interface{}{}
embedded := map[string]interface{}{}
embedded["comments"] = translateHals(halifyComments(comments, ns))
h := hal.HAL{Embedded: embedded, Links: links}
j := hal.JSON(h)
fmt.Fprintf(w, j)
}