public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
if (!TDUserService.isUserLoggedIn(req.getSession(false))) {
resp.sendRedirect("login.jsp");
return;
}
String dishIDs = req.getParameter("dishID");
String photoIDs = req.getParameter("photoID");
long dishID = 0;
long photoID = 0;
try {
// check the user is logged in
TDUserService.getUser(req.getSession());
if (photoIDs != null) {
photoID = Long.valueOf(photoIDs);
dishID = Long.valueOf(dishIDs);
Photo photo = Datastore.get(KeyFactory.createKey(Photo.class.getSimpleName(), photoID));
photo.rotateImage();
Datastore.put(photo);
resp.sendRedirect("/editDish.jsp?dishID=" + dishID);
}
} catch (UserNotLoggedInException e) {
// forward to login screen
resp.sendRedirect("login.jsp");
} catch (UserNotFoundException e) {
// forward to login screen
resp.sendRedirect("login.jsp");
}
}
/**
* Get the API Key
*
* @return user's api key
*/
public String getApiKey() {
if (null == this.ApiKey) {
this.ApiKey = UUID.randomUUID().toString();
}
Datastore.put(this);
return this.ApiKey;
}
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
// topdish1.appspot.com/api/dishDetail?id[]=1&id[]=2&id[]=5...
String[] ids = req.getParameterValues(APIConstants.ID_ARRAY);
Set<Key> dishKeys = new HashSet<Key>();
for (int i = 0; i < ids.length; i++) {
try {
Long id = Long.parseLong(ids[i]);
dishKeys.add(KeyFactory.createKey(Dish.class.getSimpleName(), id));
} catch (NumberFormatException e) {
// malformed input
} catch (JDOObjectNotFoundException e) {
// object not found, skipping
}
}
final Set<Dish> dishes = Datastore.get(dishKeys);
final Set<DishLite> dishLites = ConvertToLite.convertDishes(dishes);
if (!dishLites.isEmpty()) {
final JSONArray array = new JSONArray();
// Traverse dishes
for (final DishLite dish : dishLites) {
try {
// Put a new JSONObject of the Dish in the Array
array.put(new JSONObject(new Gson().toJson(dish)));
} catch (Exception e) {
e.printStackTrace();
}
}
// Return array (empty or not)
resp.getWriter().write(APIUtils.generateJSONSuccessMessage(DishConstants.DISHES, array));
} else resp.getWriter().write(APIUtils.generateJSONFailureMessage("No dishes found"));
}
/**
* Handles both a POST and a GET <br>
* Note: This is required as the POST will come from a Mobile User, where as the GET will occur on
* redirect from Google Auth
*
* @param req - the request
* @param resp - the response
* @throws ServletException
* @throws IOException
*/
private void doLogic(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// Get Writer
final PrintWriter pw = resp.getWriter();
try {
// Get redirection url
final String redirect = req.getParameter(APIConstants.REDIRECT);
Logger.getLogger(TAG).info("Final Redirection is: " + redirect);
// If login was successful (or user is already logged in)
if (TDUserService.isGoogleUser(req)) {
Logger.getLogger(TAG).info("User logged in, redirecting to: " + redirect);
try {
TDUser user = null;
try {
// Get the user
user = TDUserService.getUser(req.getSession());
} catch (Exception e) {
Logger.getLogger(TAG).info(e.getMessage() + " means no user.");
}
if (null == user) {
Logger.getLogger(TAG).info("No user exists, creating a new user");
final User gUser = UserServiceFactory.getUserService().getCurrentUser();
final String nickname =
(null != gUser.getNickname()
&& !gUser.getNickname().isEmpty()
&& gUser.getNickname().indexOf("@") >= 0
? (gUser.getNickname().substring(0, gUser.getNickname().indexOf("@")))
: gUser.getEmail());
user = new TDUser(gUser, nickname, gUser.getEmail());
Datastore.put(user);
} else {
Logger.getLogger(TAG).info("User " + user.getKey() + " found.");
}
Logger.getLogger(TAG).info("User's API Key is: " + user.getApiKey());
// Redirect to given url with the TDUser Id
resp.sendRedirect(
redirect
+ (redirect.contains("?") ? "&" : "?")
+ UserConstants.TDUSER_ID
+ "="
+ user.getKey().getId()
+ "&"
+ UserConstants.API_KEY
+ "="
+ URLEncoder.encode(user.getApiKey(), "UTF-8"));
} catch (Exception e) {
Logger.getLogger(TAG).error(e.getMessage(), e);
// Ensure some kind of redirect
resp.sendRedirect(redirect);
}
} else {
// Create a url
final String url = TDUserService.getGoogleLoginURL("/api/googleAuth?redirect=" + redirect);
Logger.getLogger(TAG).info("User not logged in. Sending to Google Auth, URL: " + url);
// Redirect to that url
resp.sendRedirect(url);
}
} catch (Exception e) {
e.printStackTrace();
Logger.getLogger(TAG).error(e.getMessage());
// Notify of error
pw.write(APIUtils.generateJSONFailureMessage(e));
} finally {
pw.flush();
pw.close();
}
}