/**
* Exposed as `POST /api/photos`.
*
* <p>Takes the following payload in the request body. Payload represents a Photo that should be
* created. { "id":0, "ownerUserId":0, "ownerDisplayName":"", "ownerProfileUrl":"",
* "ownerProfilePhoto":"", "themeId":0, "themeDisplayName":"", "numVotes":0, "voted":false, //
* Whether or not the current user has voted on this. "created":0, "fullsizeUrl":"",
* "thumbnailUrl":"", "voteCtaUrl":"", // URL for Vote interactive post button.
* "photoContentUrl":"" // URL for Google crawler to hit to get info. }
*
* <p>Returns the following JSON response representing the created Photo. { "id":0,
* "ownerUserId":0, "ownerDisplayName":"", "ownerProfileUrl":"", "ownerProfilePhoto":"",
* "themeId":0, "themeDisplayName":"", "numVotes":0, "voted":false, // Whether or not the current
* user has voted on this. "created":0, "fullsizeUrl":"", "thumbnailUrl":"", "voteCtaUrl":"", //
* URL for Vote interactive post button. "photoContentUrl":"" // URL for Google crawler to hit to
* get info. }
*
* <p>Issues the following errors along with corresponding HTTP response codes: 400: "Bad Request"
* if the request is missing image data. 401: "Unauthorized request" (if certain parameters are
* present in the request) 401: "Access token expired" (there is a logged in user, but he doesn't
* have a refresh token and his access token is expiring in less than 100 seconds, get a new token
* and retry) 500: "Error while writing app activity: " + error from client library.
*
* @see javax.servlet.http.HttpServlet#doPost( javax.servlet.http.HttpServletRequest,
* javax.servlet.http.HttpServletResponse)
*/
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) {
try {
checkAuthorization(req);
List<BlobKey> blobKeys = blobstoreService.getUploads(req).get("image");
BlobKey imageKey = null;
if (blobKeys != null) {
imageKey = blobKeys.iterator().next();
}
if (imageKey == null) {
sendError(resp, 400, "Missing image data.");
}
Long currentUserId = (Long) req.getSession().getAttribute(CURRENT_USER_SESSION_KEY);
User author = ofy().load().type(User.class).id(currentUserId).get();
GoogleCredential credential = this.getCredentialFromLoggedInUser(req);
Photo photo = new Photo();
photo.setOwnerUserId(author.getId());
photo.setOwnerDisplayName(author.getGoogleDisplayName());
photo.setOwnerProfilePhoto(author.getGooglePublicProfilePhotoUrl());
photo.setOwnerProfileUrl(author.getGooglePublicProfileUrl());
photo.setThemeId(Theme.getCurrentTheme().getId());
photo.setThemeDisplayName(Theme.getCurrentTheme().getDisplayName());
photo.setCreated(Calendar.getInstance().getTime());
photo.setNumVotes(0);
photo.setImageBlobKey(imageKey.getKeyString());
ofy().save().entity(photo).now();
ofy().clear();
photo = ofy().load().type(Photo.class).id(photo.getId()).get();
addPhotoToGooglePlusHistory(author, photo, credential);
sendResponse(req, resp, photo);
} catch (UserNotAuthorizedException e) {
sendError(resp, 401, "Unauthorized request");
} catch (MomentWritingException e) {
sendError(resp, 500, "Error while writing app activity: " + e.getMessage());
} catch (GoogleTokenExpirationException e) {
sendError(resp, 401, "Access token expired");
}
}
