// SavePostHandler ...
func SavePostHandler(s *session.Session, rnd render.Render, r *http.Request, db *mgo.Database) {
	if !s.IsAuthorized {
		rnd.Redirect("/")
	}
	id := r.FormValue("id")
	title := r.FormValue("title")
	contentMarkdown := r.FormValue("content")
	contentHTML := utils.ConvertMarkdownToHTML(contentMarkdown)

	postDocument := documents.PostDocument{id, title, contentHTML, contentMarkdown}

	postsCollection := db.C("posts")
	if id != "" {
		postsCollection.UpdateId(id, postDocument)
	} else {
		id = utils.GenerateID()
		postDocument.ID = id
		postsCollection.Insert(postDocument)
	}

	rnd.Redirect("/")
}
// GetHTMLHandler ...
func GetHTMLHandler(rnd render.Render, r *http.Request) {
	md := r.FormValue("md")
	html := utils.ConvertMarkdownToHTML(md)

	rnd.JSON(200, map[string]interface{}{"html": html})
}