//PostOnFacebook publishes post preview on facebook page wall
func PostOnFacebook(w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" {
post, err := models.GetPost(r.FormValue("id"))
if err != nil {
log.Printf("ERROR: %s\n", err)
w.WriteHeader(404)
return
}
err = oauth.PostOnFacebook(
fmt.Sprintf("http://%s/posts/%d", r.Host, post.ID),
post.Name,
)
if err != nil {
log.Printf("ERROR: %s\n", err)
w.WriteHeader(500)
return
}
w.WriteHeader(200)
} else {
err := fmt.Errorf("Method %q not allowed", r.Method)
log.Printf("ERROR: %s\n", err)
w.WriteHeader(405)
}
}
//PostDelete handles /admin/delete_post route
func PostDelete(w http.ResponseWriter, r *http.Request) {
tmpl := shared.Template(r)
if r.Method == "POST" {
post, err := models.GetPost(r.PostFormValue("id"))
if err != nil {
log.Printf("ERROR: %s\n", err)
w.WriteHeader(404)
tmpl.Lookup("errors/404").Execute(w, shared.ErrorData(err))
return
}
if err := post.Delete(); err != nil {
log.Printf("ERROR: %s\n", err)
w.WriteHeader(500)
tmpl.Lookup("errors/500").Execute(w, shared.ErrorData(err))
return
}
http.Redirect(w, r, "/admin/posts", 303)
} else {
err := fmt.Errorf("Method %q not allowed", r.Method)
log.Printf("ERROR: %s\n", err)
w.WriteHeader(405)
tmpl.Lookup("errors/405").Execute(w, shared.ErrorData(err))
}
}
//PostUpdate handles /admin/edit_post/:id route
func PostUpdate(w http.ResponseWriter, r *http.Request) {
tmpl := shared.Template(r)
session := shared.Session(r)
data := shared.DefaultData(r)
if r.Method == "GET" {
id := r.URL.Path[len("/admin/edit_post/"):]
post, err := models.GetPost(id)
if err != nil {
w.WriteHeader(404)
tmpl.Lookup("errors/404").Execute(w, shared.ErrorData(err))
return
}
tags, err := models.GetTags()
if err != nil {
w.WriteHeader(404)
tmpl.Lookup("errors/404").Execute(w, nil)
return
}
data["Title"] = "Edit post"
data["Active"] = "posts"
data["Post"] = post
data["Tags"] = tags
data["Flash"] = session.Flashes()
session.Save(r, w)
tmpl.Lookup("posts/form").Execute(w, data)
} else if r.Method == "POST" {
r.ParseForm()
post := &models.Post{
ID: shared.Atoi64(r.PostFormValue("id")),
Name: r.PostFormValue("name"),
Content: r.PostFormValue("content"),
Published: shared.Atob(r.PostFormValue("published")),
Tags: r.Form["tags"], //PostFormValue returns only first value
}
if err := post.Update(); err != nil {
session.AddFlash(err.Error())
session.Save(r, w)
http.Redirect(w, r, r.RequestURI, 303)
return
}
http.Redirect(w, r, "/admin/posts", 303)
} else {
err := fmt.Errorf("Method %q not allowed", r.Method)
log.Printf("ERROR: %s\n", err)
w.WriteHeader(405)
tmpl.Lookup("errors/405").Execute(w, shared.ErrorData(err))
}
}
//PostShow handles GET /posts/:id route
func PostShow(w http.ResponseWriter, r *http.Request) {
tmpl := shared.Template(r)
session := shared.Session(r)
data := shared.DefaultData(r)
if r.Method == "GET" {
id := r.URL.Path[len("/posts/"):]
post, err := models.GetPost(id)
if err != nil || !post.Published {
w.WriteHeader(404)
tmpl.Lookup("errors/404").Execute(w, nil)
return
}
data["Post"] = post
data["Title"] = post.Name
data["Active"] = fmt.Sprintf("posts/%s", id)
data["OauthName"] = session.Values["oauth_name"]
//Facebook open graph meta tags
data["Ogheadprefix"] = "og: http://ogp.me/ns# fb: http://ogp.me/ns/fb# article: http://ogp.me/ns/article#"
data["Ogtitle"] = post.Name
data["Ogurl"] = fmt.Sprintf("http://%s/posts/%d", r.Host, post.ID)
data["Ogtype"] = "article"
data["Ogdescription"] = post.Excerpt()
if img := post.GetImage(); len(img) > 0 {
data["Ogimage"] = fmt.Sprintf("http://%s%s", r.Host, img)
}
//flashes
data["Flash"] = session.Flashes("comments")
session.Save(r, w)
tmpl.Lookup("posts/show").Execute(w, data)
} else {
err := fmt.Errorf("Method %q not allowed", r.Method)
log.Printf("ERROR: %s\n", err)
w.WriteHeader(405)
tmpl.Lookup("errors/405").Execute(w, shared.ErrorData(err))
}
}
