/**
* Gets a user by the specified email.
*
* @param email the specified email
* @return user, returns {@code null} if not found
* @throws ServiceException service exception
*/
public JSONObject getUserByEmail(final String email) throws ServiceException {
try {
return userRepository.getByEmail(email);
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, "Gets user by email[" + email + "] failed", e);
throw new ServiceException(e);
}
}
/**
* Gets the administrator.
*
* @return administrator, returns {@code null} if not found
* @throws ServiceException service exception
*/
public JSONObject getAdmin() throws ServiceException {
try {
return userRepository.getAdmin();
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, "Gets admin failed", e);
throw new ServiceException(e);
}
}
/**
* Determines whether the specified email is a user's email of this Solo application.
*
* @param email the specified email
* @return {@code true} if it is, {@code false} otherwise
*/
public boolean isSoloUser(final String email) {
try {
final Query query = new Query().setPageCount(1);
final JSONObject result = userRepository.get(query);
final JSONArray users = result.getJSONArray(Keys.RESULTS);
return existEmail(email, users);
} catch (final Exception e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
return false;
}
}
/**
* Determines whether if exists multiple users in current Solo.
*
* @return {@code true} if exists, {@code false} otherwise
* @throws ServiceException service exception
*/
public boolean hasMultipleUsers() throws ServiceException {
final Query query = new Query().setPageCount(1);
try {
final JSONArray users = userRepository.get(query).getJSONArray(Keys.RESULTS);
return 1 != users.length();
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, "Determines multiple users failed", e);
throw new ServiceException(e);
} catch (final JSONException e) {
LOGGER.log(Level.ERROR, "Determines multiple users failed", e);
throw new ServiceException(e);
}
}
/**
* Gets the current user.
*
* @param request the specified request
* @return the current user, {@code null} if not found
*/
public JSONObject getCurrentUser(final HttpServletRequest request) {
final GeneralUser currentUser = userService.getCurrentUser(request);
if (null == currentUser) {
return null;
}
final String email = currentUser.getEmail();
try {
return userRepository.getByEmail(email);
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, "Gets current user by request failed, returns null", e);
return null;
}
}
/**
* Gets a user by the specified user id.
*
* @param userId the specified user id
* @return for example,
* <pre>
* {
* "user": {
* "oId": "",
* "userName": "",
* "userEmail": "",
* "userPassword": ""
* }
* }
* </pre>
* , returns {@code null} if not found
* @throws ServiceException service exception
*/
public JSONObject getUser(final String userId) throws ServiceException {
final JSONObject ret = new JSONObject();
JSONObject user = null;
try {
user = userRepository.get(userId);
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, "Gets a user failed", e);
throw new ServiceException(e);
}
if (null == user) {
return null;
}
ret.put(User.USER, user);
return ret;
}
/**
* Gets users by the specified request json object.
*
* @param requestJSONObject the specified request json object, for example,
* <pre>
* {
* "paginationCurrentPageNum": 1,
* "paginationPageSize": 20,
* "paginationWindowSize": 10,
* }, see {@link Pagination} for more details
* </pre>
*
* @return for example,
* <pre>
* {
* "pagination": {
* "paginationPageCount": 100,
* "paginationPageNums": [1, 2, 3, 4, 5]
* },
* "users": [{
* "oId": "",
* "userName": "",
* "userEmail": "",
* "userPassword": "",
* "roleName": ""
* }, ....]
* }
* </pre>
*
* @throws ServiceException service exception
* @see Pagination
*/
public JSONObject getUsers(final JSONObject requestJSONObject) throws ServiceException {
final JSONObject ret = new JSONObject();
final int currentPageNum = requestJSONObject.optInt(Pagination.PAGINATION_CURRENT_PAGE_NUM);
final int pageSize = requestJSONObject.optInt(Pagination.PAGINATION_PAGE_SIZE);
final int windowSize = requestJSONObject.optInt(Pagination.PAGINATION_WINDOW_SIZE);
final Query query = new Query().setCurrentPageNum(currentPageNum).setPageSize(pageSize);
JSONObject result = null;
try {
result = userRepository.get(query);
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, "Gets users failed", e);
throw new ServiceException(e);
}
final int pageCount =
result.optJSONObject(Pagination.PAGINATION).optInt(Pagination.PAGINATION_PAGE_COUNT);
final JSONObject pagination = new JSONObject();
ret.put(Pagination.PAGINATION, pagination);
final List<Integer> pageNums =
Paginator.paginate(currentPageNum, pageSize, pageCount, windowSize);
pagination.put(Pagination.PAGINATION_PAGE_COUNT, pageCount);
pagination.put(Pagination.PAGINATION_PAGE_NUMS, pageNums);
final JSONArray users = result.optJSONArray(Keys.RESULTS);
ret.put(User.USERS, users);
return ret;
}
