/*
* Copyright 2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.springsource.greenhouse.invite;
import java.io.IOException;
import javax.inject.Inject;
import javax.servlet.http.HttpServletResponse;
import javax.validation.Valid;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.social.facebook.web.FacebookCookieValue;
import org.springframework.social.facebook.web.FacebookWebArgumentResolver;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import com.springsource.greenhouse.account.Account;
import com.springsource.greenhouse.account.AccountRepository;
import com.springsource.greenhouse.signup.SignedUpGateway;
import com.springsource.greenhouse.signup.SignupForm;
import com.springsource.greenhouse.signup.SignupHelper;
import com.springsource.greenhouse.signup.SignupHelper.SignupCallback;
/**
* UI Controller for main invite page and the invite acceptance flow.
* @author Keith Donald
*/
@Controller
public class InviteController {
private final InviteRepository inviteRepository;
private final SignupHelper signupHelper;
@Inject
public InviteController(InviteRepository inviteRepository, AccountRepository accountRepository, SignedUpGateway signupGateway) {
this.inviteRepository = inviteRepository;
this.signupHelper = new SignupHelper(accountRepository, signupGateway);
}
/**
* Show the root invite page to the member as HTML in their web browser.
* From this page the user can invite Twitter followers, Facebook friends, and email contacts.
* The FacebookUserID obtained from a cookie via {@link FacebookWebArgumentResolver} is exported to the model so the member Facebook's login status can be determined.
*/
@RequestMapping(value="/invite", method=RequestMethod.GET)
public void invitePage(@FacebookCookieValue(value="uid", required=false) String facebookUserId, Model model) {
model.addAttribute("facebookUserId", facebookUserId);
model.addAttribute("facebookAppId", facebookAppId);
}
/**
* Show the invitee their invite and allow them to accept it.
*/
@RequestMapping(value="/invite/accept", method=RequestMethod.GET)
public String acceptInvitePage(@RequestParam String token, Model model, HttpServletResponse response) throws IOException {
try {
Invite invite = inviteRepository.findInvite(token);
model.addAttribute(invite.getInvitee());
model.addAttribute("sentBy", invite.getSentBy());
model.addAttribute(invite.createSignupForm());
model.addAttribute("token", token);
return "invite/accept";
} catch (InviteException e) {
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return null;
}
}
/**
* Accept an invite on behalf of an invitee.
* A new member account will be created.
* If everything is successful, the invitee will be signed in under their new account and redirected to the home page.
*/
@RequestMapping(value="/invite/accept", method=RequestMethod.POST)
public String acceptInvite(final @RequestParam String token, @Valid SignupForm form, BindingResult formBinding, Model model) {
if (formBinding.hasErrors()) {
return form(token, model);
}
boolean result = signupHelper.signup(form, formBinding, new SignupCallback() {
public void postSignup(Account account) {
inviteRepository.markInviteAccepted(token, account);
}
});
return result ? "redirect:/" : form(token, model);
}
// internal helpers
private String form(String token, Model model) {
model.addAttribute("token", token);
return null;
}
@Value("#{environment['facebook.appId']}")
private String facebookAppId;
}