src/main/java/ru/ulstu/core/controller/AdviceController.java

@@ -20,6 +20,7 @@ import ru.ulstu.user.error.UserNotActivatedException;
 import ru.ulstu.user.error.UserNotFoundException;
 import ru.ulstu.user.error.UserPasswordsNotValidOrNotMatchException;
 import ru.ulstu.user.error.UserResetKeyError;
+import ru.ulstu.user.error.UserSendingMailException;
 import ru.ulstu.user.service.UserService;
 
 import java.util.Set;
@@ -112,4 +113,9 @@ public class AdviceController {
     public ResponseExtended<String> handleUserIsUndeadException(Throwable e) {
         return handleException(ErrorConstants.USER_UNDEAD_ERROR, e.getMessage());
     }
+
+    @ExceptionHandler(UserSendingMailException.class)
+    public ResponseExtended<String> handleUserSendingMailException(Throwable e) {
+        return handleException(ErrorConstants.USER_SENDING_MAIL_EXCEPTION, e.getMessage());
+    }
 }

src/main/java/ru/ulstu/core/model/ErrorConstants.java

@@ -6,14 +6,15 @@ public enum ErrorConstants {
     VALIDATION_ERROR(2, "Validation error"),
     USER_ID_EXISTS(100, "New user can't have id"),
     USER_ACTIVATION_ERROR(101, "Invalid activation key"),
-    USER_EMAIL_EXISTS(102, "User with same email already exists"),
-    USER_LOGIN_EXISTS(103, "User with same login already exists"),
+    USER_EMAIL_EXISTS(102, "Пользователь с таким почтовым ящиком уже существует"),
+    USER_LOGIN_EXISTS(103, "Пользователь с таким логином уже существует"),
     USER_PASSWORDS_NOT_VALID_OR_NOT_MATCH(104, "Пароли введены неверно"),
     USER_NOT_FOUND(105, "User is not found"),
     USER_NOT_ACTIVATED(106, "User is not activated"),
     USER_RESET_ERROR(107, "Invalid reset key"),
     USER_UNDEAD_ERROR(108, "Can't edit/delete that user"),
-    FILE_UPLOAD_ERROR(110, "File upload error");
+    FILE_UPLOAD_ERROR(110, "File upload error"),
+    USER_SENDING_MAIL_EXCEPTION(111, "Во время отправки приглашения пользователю произошла ошибка");
 
     private int code;
     private String message;

src/main/java/ru/ulstu/user/controller/UserController.java

@@ -3,6 +3,7 @@ package ru.ulstu.user.controller;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.security.access.annotation.Secured;
+import org.springframework.ui.ModelMap;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -166,4 +167,9 @@ public class UserController extends OdinController<UserListDto, UserDto> {
         User user = userSessionService.getUserBySessionId(sessionId);
         userService.changeUserPassword(user, payload);
     }
+
+    @PostMapping("/invite")
+    public void inviteUser(@RequestParam("email") String email) {
+        userService.inviteUser(email);
+    }
 }

src/main/java/ru/ulstu/user/controller/UserMvcController.java

@@ -7,7 +7,6 @@ import org.springframework.ui.ModelMap;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
 import ru.ulstu.configuration.Constants;
 import ru.ulstu.odin.controller.OdinController;
 import ru.ulstu.user.model.UserDto;
@@ -49,10 +48,4 @@ public class UserMvcController extends OdinController<UserListDto, UserDto> {
         User user = userSessionService.getUserBySessionId(sessionId);
         modelMap.addAttribute("userDto", userService.updateUserInformation(user, userDto));
     }
-
-    @PostMapping("/invite")
-    public String inviteUser(@RequestParam(value = "email") String email, ModelMap modelMap) {
-        userService.inviteUser(email);
-        return "redirect:/";
-    }
 }

src/main/java/ru/ulstu/user/service/MailService.java

@@ -40,7 +40,7 @@ public class MailService {
     }
 
     @Async
-    public void sendEmail(String to, String subject, String content) throws MessagingException {
+    public void sendEmail(String to, String subject, String content) throws MessagingException, MailException {
         log.debug("Send email to '{}' with subject '{}'", to, subject);
         MimeMessage mimeMessage = javaMailSender.createMimeMessage();
         MimeMessageHelper message = new MimeMessageHelper(mimeMessage, false, StandardCharsets.UTF_8.name());
@@ -111,7 +111,7 @@ public class MailService {
         sendEmailFromTemplate(user, "passwordResetEmail", Constants.MAIL_RESET);
     }
 
-    public void sendInviteMail(Map<String, Object> variables, String email) throws MessagingException {
+    public void sendInviteMail(Map<String, Object> variables, String email) throws MessagingException, MailException {
         sendEmailFromTemplate(variables, "userInviteEmail", Constants.MAIL_INVITE, email);
     }
 

src/main/java/ru/ulstu/user/service/UserService.java

@@ -5,6 +5,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Sort;
+import org.springframework.mail.MailException;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UserDetailsService;
@@ -336,8 +337,8 @@ public class UserService implements UserDetailsService {
         Map<String, Object> variables = ImmutableMap.of("password", password, "email", email);
         try {
             mailService.sendInviteMail(variables, email);
-        } catch (MessagingException e) {
-            throw new UserSendingMailException(INVITE_USER_EXCEPTION);
+        } catch (MessagingException | MailException e) {
+            throw new UserSendingMailException(email);
         }
     }
 }

src/main/resources/templates/users/inviteModal.html

@@ -2,29 +2,28 @@
 <html xmlns:th="http://www.thymeleaf.org">
 <head th:fragment="headerfiles">
     <meta charset="UTF-8"/>
+    <script src="js/users.js"></script>
+    <script src="js/core.js"></script>
 </head>
 <body>
 <div id="inviteModal" class="modal fade text-center">
     <div class="modal-dialog">
         <div class="modal-content">
-            <form id="invite-form" method="post" action="/users/invite">
-
-                <div class="modal-header">
-                    <h5 class="modal-title" id="label">Пригласить пользователя</h5>
-                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
-                        <span aria-hidden="true">&times;</span>
-                    </button>
-                </div>
-                <div class="modal-body">
-                    <input class="form-control" id="email" type="text"
-                           placeholder="email" name="email"/>
-
-                </div>
-                <div class="modal-footer">
-                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Закрыть</button>
-                    <button type="submit" class="btn btn-primary">Пригласить</button>
-                </div>
-            </form>
+            <div class="modal-header">
+                <h5 class="modal-title" id="label">Пригласить пользователя</h5>
+                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                    <span aria-hidden="true">&times;</span>
+                </button>
+            </div>
+            <div class="modal-body">
+                <input class="form-control" id="email" type="text"
+                       placeholder="Email" name="email"/>
+            </div>
+            <div class="modal-footer">
+                <button id="closeModalInvite" type="button" class="btn btn-secondary" data-dismiss="modal">Закрыть
+                </button>
+                <button type="button" onclick="inviteUser()" class="btn btn-primary">Отправить приглашение</button>
+            </div>
         </div>
     </div>
 </div>