public static void save(Long id, String title, String content, String tags) {
Post post;
if (id == null) {
// Create post
User author = User.find("byEmail", Security.connected()).first();
post = new Post(author, title, content);
} else {
// Retrieve post
post = Post.findById(id);
// Edit
post.title = title;
post.content = content;
post.tags.clear();
}
// Set tags list
for (String tag : tags.split("\\s+")) {
if (tag.trim().length() > 0) {
post.tags.add(Tag.findOrCreateByName(tag));
}
}
// Validate
validation.valid(post);
if (validation.hasErrors()) {
render("@form", post);
}
// Save
post.save();
index();
}
public static void form(Long id) {
if (id != null) {
Post post = Post.findById(id);
render(post);
}
render();
}