/*
* 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.signup;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import javax.validation.Valid;
import org.hibernate.validator.util.LazyValidatorFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.social.connect.Connection;
import org.springframework.social.connect.web.ProviderSignInUtils;
import org.springframework.stereotype.Controller;
import org.springframework.util.StringUtils;
import org.springframework.validation.BindException;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;
import org.springframework.validation.beanvalidation.SpringValidatorAdapter;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.context.request.WebRequest;
import com.springsource.greenhouse.account.Account;
import com.springsource.greenhouse.account.AccountRepository;
import com.springsource.greenhouse.signup.SignupHelper.SignupCallback;
import com.springsource.greenhouse.utils.Message;
import com.springsource.greenhouse.utils.MessageType;
/**
* UI Controller for signing up new members.
* @author Keith Donald
*/
@Controller
public class SignupController {
private final SignupHelper signupHelper;
@Inject
public SignupController(AccountRepository accountRepository, SignedUpGateway gateway) {
this.signupHelper = new SignupHelper(accountRepository, gateway);
}
/**
* Render a signup form to the person as HTML in their web browser.
*/
@RequestMapping(value="/signup", method=RequestMethod.GET)
public SignupForm signupForm(WebRequest request) {
Connection<?> connection = ProviderSignInUtils.getConnection(request);
if (connection != null) {
request.setAttribute("message", new Message(MessageType.INFO, "Your " + StringUtils.capitalize(connection.getKey().getProviderId()) + " account is not associated with a Greenhouse account. If you're new, please sign up."), WebRequest.SCOPE_REQUEST);
return SignupForm.fromProviderUser(connection.fetchUserProfile());
} else {
return new SignupForm();
}
}
/**
* Process a signup form submission.
* Delegate to a {@link SignupHelper} to actually complete the signin transaction.
* Redirects the new member to the application home page on successful sign-in.
*/
@RequestMapping(value="/signup", method=RequestMethod.POST)
public String signup(@Valid SignupForm form, BindingResult formBinding, final WebRequest request) {
if (formBinding.hasErrors()) {
return null;
}
boolean result = signupHelper.signup(form, formBinding, new SignupCallback() {
public void postSignup(Account account) {
ProviderSignInUtils.handlePostSignUp(account.getId().toString(), request);
}
});
return result ? "redirect:/" : null;
}
@RequestMapping(value="/signup", method=RequestMethod.POST, consumes="application/json")
public ResponseEntity<Map<String, Object>> signupFromApi(@RequestBody SignupForm form) {
BindingResult formBinding = validate(form); // Temporary manual validation until SPR-9826 is fixed.
if (formBinding.hasErrors()) {
HashMap<String, Object> errorResponse = new HashMap<String, Object>();
errorResponse.put("message", "Validation error");
errorResponse.put("errors", getErrorsMap(formBinding));
return new ResponseEntity<Map<String, Object>>(errorResponse, HttpStatus.BAD_REQUEST);
}
boolean result = signupHelper.signup(form, formBinding);
if (result) {
HashMap<String, Object> errorResponse = new HashMap<String, Object>();
errorResponse.put("message", "Account created");
return new ResponseEntity<Map<String, Object>>(errorResponse, HttpStatus.CREATED);
} else {
HashMap<String, Object> errorResponse = new HashMap<String, Object>();
errorResponse.put("message", "Account creation error");
errorResponse.put("errors", getErrorsMap(formBinding));
return new ResponseEntity<Map<String, Object>>(errorResponse, HttpStatus.BAD_REQUEST);
}
}
private BindException validate(SignupForm form) {
BindException errors;
errors = new BindException(form, "signupForm");
LazyValidatorFactory lvf = new LazyValidatorFactory();
Validator validator = new SpringValidatorAdapter(lvf.getValidator());
ValidationUtils.invokeValidator(validator, form, errors);
return errors;
}
private List<Map<String, String>> getErrorsMap(BindingResult formBinding) {
List<FieldError> fieldErrors = formBinding.getFieldErrors();
List<Map<String, String>> errors = new ArrayList<Map<String,String>>(fieldErrors.size());
for (FieldError fieldError : fieldErrors) {
Map<String, String> fieldErrorMap = new HashMap<String, String>();
fieldErrorMap.put("field", fieldError.getField());
fieldErrorMap.put("code", fieldError.getCode());
fieldErrorMap.put("message", fieldError.getDefaultMessage());
errors.add(fieldErrorMap);
}
return errors;
}
}