GroupCreation, ErrorHandling, Database

.gitignore

@@ -31,3 +31,4 @@ build/
 ### VS Code ###
 .vscode/
 /logs/app.log
+/configurations/Start RDBMS.run.xml

server/src/main/java/ru/tubryansk/tdms/config/SecurityConfiguration.java

@@ -97,6 +97,7 @@ public class SecurityConfiguration {
         httpAuthorization.requestMatchers("/api/v1/student/current").permitAll();
         /* GroupController */
         httpAuthorization.requestMatchers("/api/v1/group/get-all").permitAll();
+        httpAuthorization.requestMatchers("api/v1/group/create-group").hasAuthority("ROLE_ADMINISTRATOR");
         /* deny all other api requests */
         httpAuthorization.requestMatchers("/api/**").denyAll();
         /* since api already blocked, all other requests are static resources */

server/src/main/java/ru/tubryansk/tdms/controller/GroupController.java

@@ -1,14 +1,16 @@
 package ru.tubryansk.tdms.controller;
 
+import jakarta.validation.Valid;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.RestController;
 import ru.tubryansk.tdms.controller.payload.GroupDTO;
+import ru.tubryansk.tdms.controller.payload.GroupRegistrationDTO;
 import ru.tubryansk.tdms.service.GroupService;
 
 import java.util.Collection;
 
-@RestController("/api/v1/group/")
+@RestController
+@RequestMapping("/api/v1/group")
 public class GroupController {
     @Autowired
     private GroupService groupService;
@@ -17,4 +19,9 @@ public class GroupController {
     public Collection<GroupDTO> getAllGroups() {
         return groupService.getAllGroups();
     }
+
+    @PostMapping("/create-group")
+    public void createGroup(@RequestBody @Valid GroupRegistrationDTO groupRegistrationDTO) {
+        groupService.createGroup(groupRegistrationDTO.getName());
+    }
 }

server/src/main/java/ru/tubryansk/tdms/controller/SysInfoController.java

@@ -1,6 +1,5 @@
 package ru.tubryansk.tdms.controller;
 
-import lombok.SneakyThrows;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -13,9 +12,10 @@ public class SysInfoController {
     @Autowired
     private SysInfoService sysInfoService;
 
-    @SneakyThrows
     @GetMapping("/version")
     public String getVersion() {
         return sysInfoService.getVersion();
     }
+
+    // @GetMapping("/status")
 }

server/src/main/java/ru/tubryansk/tdms/controller/payload/GroupDTO.java

@@ -9,6 +9,6 @@ import lombok.ToString;
 @ToString
 public class GroupDTO {
     private String name;
-    private String principalName;
+    private String curatorName;
-    private Boolean isMePrincipal;
+    private Boolean iAmCurator;
 }

server/src/main/java/ru/tubryansk/tdms/controller/payload/GroupRegistrationDTO.java

@@ -0,0 +1,14 @@
+package ru.tubryansk.tdms.controller.payload;
+
+import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Size;
+import lombok.Getter;
+
+@Getter
+public class GroupRegistrationDTO {
+    @NotEmpty(message = "Имя группы не может быть пустым")
+    @Size(min = 3, max = 50, message = "Имя группы должно быть от 3 до 50 символов")
+    @Pattern(regexp = "^[а-яА-ЯёЁ0-9_-]*$", message = "Имя группы должно содержать только русские буквы, дефис, нижнее подчеркивание и цифры")
+    private String name;
+}

server/src/main/java/ru/tubryansk/tdms/entity/Group.java

@@ -5,13 +5,17 @@ import jakarta.persistence.*;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
+import org.hibernate.annotations.CreationTimestamp;
+import org.hibernate.annotations.UpdateTimestamp;
+
+import java.time.ZonedDateTime;
 
 
 @Getter
 @Setter
 @ToString
 @Entity
-@Table(name = "group")
+@Table(name = "`group`")
 public class Group {
     @Id
     @Column(name = "id")
@@ -20,6 +24,12 @@ public class Group {
     @Column(name = "name")
     private String name;
     @ManyToOne
-    @JoinColumn(name = "curator_user_id")
+    @JoinColumn(name = "curator_teacher_id")
-    private User groupCurator;
+    private Teacher groupCurator;
+    @Column(name = "created_at")
+    @CreationTimestamp
+    private ZonedDateTime createdAt;
+    @Column(name = "updated_at")
+    @UpdateTimestamp
+    private ZonedDateTime updatedAt;
 }

server/src/main/java/ru/tubryansk/tdms/entity/Student.java

@@ -47,9 +47,10 @@ public class Student {
     @ManyToOne
     @JoinColumn(name = "diploma_topic_id")
     private DiplomaTopic diplomaTopic;
+    // Научный руководитель
     @ManyToOne
-    @JoinColumn(name = "mentor_user_id")
+    @JoinColumn(name = "adviser_teacher_id")
-    private User mentorUser;
+    private Teacher adviser;
     @ManyToOne
     @JoinColumn(name = "group_id")
     private Group group;

server/src/main/java/ru/tubryansk/tdms/entity/Teacher.java

@@ -0,0 +1,32 @@
+package ru.tubryansk.tdms.entity;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import org.hibernate.annotations.CreationTimestamp;
+import org.hibernate.annotations.UpdateTimestamp;
+
+import java.time.ZonedDateTime;
+import java.util.List;
+
+@Getter
+@Entity
+@Table(name = "teacher")
+public class Teacher {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    @OneToOne
+    @JoinColumn(name = "user_id")
+    private User user;
+    @OneToMany(mappedBy = "groupCurator")
+    private List<Group> curatingGroups;
+    @OneToMany(mappedBy = "adviser")
+    private List<Student> advisingStudents;
+
+    @Column(name = "created_at")
+    @CreationTimestamp
+    private ZonedDateTime createdAt;
+    @Column(name = "updated_at")
+    @UpdateTimestamp
+    private ZonedDateTime updatedAt;
+}

server/src/main/java/ru/tubryansk/tdms/entity/User.java

@@ -2,6 +2,7 @@ package ru.tubryansk.tdms.entity;
 
 
 import jakarta.persistence.*;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
@@ -19,6 +20,7 @@ import java.util.List;
 @Getter
 @Setter
 @ToString
+@EqualsAndHashCode(of = "id")
 @Entity
 @Table(name = "`user`")
 public class User implements UserDetails {

server/src/main/java/ru/tubryansk/tdms/entity/repository/GroupRepository.java

@@ -10,4 +10,6 @@ public interface GroupRepository extends JpaRepository<Group, Long> {
     default Group findByIdThrow(Long id) {
         return this.findById(id).orElseThrow(() -> new NotFoundException(Group.class, id));
     }
+
+    boolean existsByName(String name);
 }

server/src/main/java/ru/tubryansk/tdms/entity/repository/StudentRepository.java

@@ -9,8 +9,8 @@ import ru.tubryansk.tdms.exception.NotFoundException;
 import java.util.Optional;
 
 @Repository
-public interface StudentRepository extends JpaRepository<Student, Integer> {
+public interface StudentRepository extends JpaRepository<Student, Long> {
-    default Student findByIdThrow(Integer id) {
+    default Student findByIdThrow(Long id) {
         return this.findById(id).orElseThrow(() -> new NotFoundException(Student.class, id));
     }
 

server/src/main/java/ru/tubryansk/tdms/entity/repository/TeacherRepository.java

@@ -0,0 +1,13 @@
+package ru.tubryansk.tdms.entity.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+import ru.tubryansk.tdms.entity.Teacher;
+import ru.tubryansk.tdms.exception.NotFoundException;
+
+@Repository
+public interface TeacherRepository extends JpaRepository<Teacher, Long> {
+    default Teacher findByIdThrow(Long id) {
+        return this.findById(id).orElseThrow(() -> new NotFoundException(Teacher.class, id));
+    }
+}

server/src/main/java/ru/tubryansk/tdms/exception/GlobalExceptionHandler.java

@@ -11,6 +11,7 @@ import org.springframework.web.bind.annotation.RestControllerAdvice;
 import org.springframework.web.servlet.resource.NoResourceFoundException;
 import ru.tubryansk.tdms.controller.payload.ErrorResponse;
 
+import java.util.Random;
 import java.util.stream.Collectors;
 
 @RestControllerAdvice
@@ -51,7 +52,9 @@ public class GlobalExceptionHandler {
     @ExceptionHandler(Exception.class)
     @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
     public ErrorResponse handleUnexpectedException(Exception e) {
-        log.error("Unexpected exception.", e);
+        Random random = new Random();
-        return new ErrorResponse(e.getMessage(), ErrorResponse.ErrorCode.INTERNAL_ERROR);
+        long errorInx = random.nextLong();
+        log.error("Unexpected exception. random: {}", errorInx, e);
+        return new ErrorResponse("Произошла непредвиденная ошибка, обратитесь к администратору. Номер ошибки: " + errorInx, ErrorResponse.ErrorCode.INTERNAL_ERROR);
     }
 }

server/src/main/java/ru/tubryansk/tdms/service/GroupService.java

@@ -1,15 +1,53 @@
 package ru.tubryansk.tdms.service;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import ru.tubryansk.tdms.controller.payload.GroupDTO;
+import ru.tubryansk.tdms.entity.Group;
+import ru.tubryansk.tdms.entity.User;
+import ru.tubryansk.tdms.entity.repository.GroupRepository;
+import ru.tubryansk.tdms.exception.BusinessException;
 
 import java.util.Collection;
+import java.util.List;
 
 @Service
 @Transactional
 public class GroupService {
+    @Autowired
+    private GroupRepository groupRepository;
+    @Autowired
+    private CallerService callerService;
+
     public Collection<GroupDTO> getAllGroups() {
-        return null;
+        List<Group> groups = groupRepository.findAll();
+        User callerUser = callerService.getCallerUser().orElse(null);
+
+        return groups.stream()
+            .map(g -> {
+                GroupDTO groupDTO = new GroupDTO();
+                groupDTO.setName(g.getName());
+
+                if (g.getGroupCurator() != null) {
+                    groupDTO.setCuratorName(g.getGroupCurator().getUser().getFullName());
+                    if (callerUser != null) {
+                        groupDTO.setIAmCurator(g.getGroupCurator().getUser().equals(callerUser));
+                    }
+                }
+                return groupDTO;
+            })
+            .toList();
+    }
+
+    public void createGroup(String groupName) {
+        boolean existsByName = groupRepository.existsByName(groupName);
+        if (existsByName) {
+            throw new BusinessException("Группа с именем " + groupName + " уже существует");
+        }
+
+        Group group = new Group();
+        group.setName(groupName);
+        groupRepository.save(group);
     }
 }

server/src/main/java/ru/tubryansk/tdms/service/StudentService.java

@@ -10,7 +10,6 @@ import ru.tubryansk.tdms.entity.repository.DiplomaTopicRepository;
 import ru.tubryansk.tdms.entity.repository.StudentRepository;
 import ru.tubryansk.tdms.exception.AccessDeniedException;
 
-import java.util.Map;
 import java.util.Optional;
 
 @Service
@@ -26,15 +25,15 @@ public class StudentService {
     private CallerService callerService;
 
     /** @param studentToDiplomaTopic Map of @{@link Student} id and @{@link DiplomaTopic} id */
-    public void changeDiplomaTopic(Map<Integer, Integer> studentToDiplomaTopic) {
+    // public void changeDiplomaTopic(Map<Integer, Integer> studentToDiplomaTopic) {
-        studentToDiplomaTopic.forEach(this::changeDiplomaTopic);
+    //     studentToDiplomaTopic.forEach(this::changeDiplomaTopic);
-    }
+    // }
 
-    public void changeDiplomaTopic(Integer studentId, Integer diplomaTopicId) {
+    // public void changeDiplomaTopic(Integer studentId, Integer diplomaTopicId) {
-        Student student = studentRepository.findByIdThrow(studentId);
+    //     Student student = studentRepository.findByIdThrow(studentId);
-        DiplomaTopic diplomaTopic = diplomaTopicRepository.findByIdThrow(diplomaTopicId);
+    //     DiplomaTopic diplomaTopic = diplomaTopicRepository.findByIdThrow(diplomaTopicId);
-        student.setDiplomaTopic(diplomaTopic);
+    //     student.setDiplomaTopic(diplomaTopic);
-    }
+    // }
 
     public void changeCallerDiplomaTopic(Integer diplomaTopicId) {
         DiplomaTopic diplomaTopic = diplomaTopicRepository.findByIdThrow(diplomaTopicId);

server/src/main/resources/db/migration/V00050__Create__group_table.sql

@@ -1,22 +0,0 @@
-create table "group"
-(
-    id              bigserial primary key,
-
-    name            text        not null unique,
-    curator_user_id bigint,
-
-    created_at      timestamptz not null,
-    updated_at      timestamptz
-);
-
--- FOREIGN KEY
-alter table "group"
-    add constraint fk_group_curator_user_id
-        foreign key (curator_user_id) references "user" (id)
-            on delete set null on update cascade;
-
--- COMMENTS
-comment on table "group" is 'Таблица групп студентов';
-
-comment on column "group".name is 'Название группы';
-comment on column "group".curator_user_id is 'Идентификатор куратора группы';

server/src/main/resources/db/migration/V00050__Create__teacher_table.sql

@@ -0,0 +1,19 @@
+create table teacher
+(
+    id         bigserial primary key,
+    user_id    bigint      not null,
+
+    created_at timestamptz not null,
+    updated_at timestamptz
+);
+
+-- FOREIGN KEY
+alter table teacher
+    add constraint fk_teacher_user_id
+        foreign key (user_id) references "user" (id)
+            on delete cascade on update cascade;
+
+-- COMMENTS
+comment on table teacher is 'Таблица преподавателей';
+
+comment on column teacher.user_id is 'Идентификатор пользователя';

server/src/main/resources/db/migration/V00060__Create__group_table.sql

@@ -0,0 +1,22 @@
+create table "group"
+(
+    id                 bigserial primary key,
+
+    name               text        not null unique,
+    curator_teacher_id bigint,
+
+    created_at         timestamptz not null,
+    updated_at         timestamptz
+);
+
+-- FOREIGN KEY
+alter table "group"
+    add constraint fk_group_curator_teacher_id
+        foreign key (curator_teacher_id) references teacher (id)
+            on delete set null on update cascade;
+
+-- COMMENTS
+comment on table "group" is 'Таблица групп студентов';
+
+comment on column "group".name is 'Название группы';
+comment on column "group".curator_teacher_id is 'Идентификатор куратора группы';

server/src/main/resources/db/migration/V00070__Create__student_table.sql

@@ -1,18 +1,18 @@
 create table student
 (
     id                     bigserial primary key,
-    user_id          bigint not null,
+    user_id            bigint not null,
-    diploma_topic_id bigint not null,
+    diploma_topic_id   bigint not null,
-    mentor_user_id   bigint not null,
+    adviser_teacher_id bigint not null,
-    group_id         bigint not null,
+    group_id           bigint not null,
 
     form                   boolean,
-    protection_day   int,
+    protection_day     int,
-    protection_order int,
+    protection_order   int,
     magistracy             text,
     digital_format_present boolean,
-    mark_comment     int,
+    mark_comment       int,
-    mark_practice    int,
+    mark_practice      int,
     predefence_comment     text,
     normal_control         text,
     anti_plagiarism        int,
@@ -34,8 +34,8 @@ alter table student
         foreign key (diploma_topic_id) references diploma_topic (id)
             on delete set null on update cascade;
 alter table student
-    add constraint fk_student_mentor_user_id
+    add constraint fk_student_adviser_teacher_id
-        foreign key (mentor_user_id) references "user" (id)
+        foreign key (adviser_teacher_id) references teacher (id)
             on delete set null on update cascade;
 alter table student
     add constraint fk_student_group_id
@@ -47,7 +47,7 @@ comment on table student is 'Таблица студентов';
 
 comment on column student.user_id is 'Идентификатор пользователя';
 comment on column student.diploma_topic_id is 'Идентификатор темы дипломной работы';
-comment on column student.mentor_user_id is 'Идентификатор научного руководителя';
+comment on column student.adviser_teacher_id is 'Идентификатор научного руководителя';
 comment on column student.group_id is 'Идентификатор группы';
 
 comment on column student.form is 'Форма обучения';

web/src/components/NotificationContainer.tsx

@@ -1,7 +1,7 @@
 import {ComponentContext} from "../utils/ComponentContext";
 import {observer} from "mobx-react";
 import {Notification, NotificationType} from "../store/NotificationStore";
-import {Card, CardBody, CardHeader, CardText, CardTitle, Col, Row} from "react-bootstrap";
+import {Card, CardBody, CardHeader, CardText, CardTitle} from "react-bootstrap";
 import {FontAwesomeIcon} from "@fortawesome/react-fontawesome";
 import {action, makeObservable} from "mobx";
 
@@ -14,7 +14,7 @@ export class NotificationContainer extends ComponentContext {
     }
 
     render() {
-        return <div style={{position: 'fixed', left: '50%', transform: 'translateX(-50%)', zIndex: 1000}}>
+        return <div style={{position: 'fixed', left: '50%', transform: 'translateX(-50%)', zIndex: 2000}}>
             {this.forEachNotificationRender(this.notificationStore.errors, NotificationType.ERROR)}
             {this.forEachNotificationRender(this.notificationStore.successes, NotificationType.SUCCESS)}
             {this.forEachNotificationRender(this.notificationStore.warnings, NotificationType.WARNING)}
@@ -51,37 +51,25 @@ class NotificationPopup extends ComponentContext<{ notification: Notification, t
 
     render() {
         const hasTitle = !!this.props.notification.title && this.props.notification.title.length > 0;
-        const closeIcon = <FontAwesomeIcon icon={'close'} onClick={this.close}/>;
+        const closeIcon = <span className={'ms-2'}><FontAwesomeIcon icon={'close'} onClick={this.close}/></span>;
 
         return <Card className={`position-relative mt-3 opacity-75 ${this.cardClassName}`}>
             {
                 hasTitle &&
                 <CardHeader>
-                    <CardTitle>
+                    <CardTitle className={'d-flex justify-content-between align-items-start'}>
-                        <Row>
+                        {this.props.notification.title}
-                            <Col sm={11}>
+                        {closeIcon}
-                                {this.props.notification.title}
-                            </Col>
-                            <Col className={'text-end'}>
-                                {closeIcon}
-                            </Col>
-                        </Row>
                     </CardTitle>
                 </CardHeader>
             }
             <CardBody>
-                <CardText>
+                <CardText className={'d-flex justify-content-between align-items-start'}>
-                    <Row>
+                    {this.props.notification.message}
-                        <Col sm={11}>
+                    {
-                            {this.props.notification.message}
+                        !hasTitle &&
-                        </Col>
+                        closeIcon
-                        {
+                    }
-                            !hasTitle &&
-                            <Col className={'text-end'}>
-                                {closeIcon}
-                            </Col>
-                        }
-                    </Row>
                 </CardText>
             </CardBody>
         </Card>

web/src/components/custom/controls/ReactiveControls.tsx

@@ -74,7 +74,7 @@ export class PasswordInput extends React.Component<ReactiveInputProps<string>> {
                                  className={`${this.props.value.invalid ? 'bg-danger' : this.props.value.touched ? 'bg-success' : ''} bg-opacity-10`}
                                  onChange={this.onChange} value={this.props.value.value}/>
                 </FloatingLabel>
-                <Button onClick={this.toggleShowPassword} variant={"outline-secondary"}>
+                <Button onClick={this.toggleShowPassword} variant={"outline-secondary"} className={'ms-2'}>
                     <FontAwesomeIcon icon={this.showPassword ? 'eye-slash' : 'eye'}/>
                 </Button>
             </div>

web/src/components/group/CreateGroupModal.tsx

@@ -0,0 +1,55 @@
+import {ComponentContext} from "../../utils/ComponentContext";
+import {observer} from "mobx-react";
+import {ModalState} from "../../utils/modalState";
+import {action, computed, makeObservable, observable} from "mobx";
+import {ReactiveValue} from "../../utils/reactive/reactiveValue";
+import {required, strLength, strPattern} from "../../utils/reactive/validators";
+import {Button, Modal, ModalBody, ModalFooter, ModalHeader, ModalTitle} from "react-bootstrap";
+import {StringInput} from "../custom/controls/ReactiveControls";
+import {post} from "../../utils/request";
+
+export interface CreateGroupModalProps {
+    modalState: ModalState;
+}
+
+@observer
+export class CreateGroupModal extends ComponentContext<CreateGroupModalProps> {
+    @observable name = new ReactiveValue<string>()
+        .addValidator(required)
+        .addValidator(strLength(3, 50))
+        .addValidator(strPattern(/^[а-яА-ЯёЁ0-9_-]*$/, "Имя группы должно содержать только русские буквы, дефис, нижнее подчеркивание и цифры"));
+
+    constructor(props: any) {
+        super(props);
+        makeObservable(this);
+    }
+
+    @action.bound
+    creationRequest() {
+        post<void>('/group/create-group', {name: this.name.value}).then(() => {
+            this.notificationStore.success(`Группа ${this.name.value} создана`);
+        }).finally(() => {
+            this.props.modalState.close();
+        });
+    }
+
+    @computed
+    get formInvalid() {
+        return this.name.invalid || !this.name.touched;
+    }
+
+    render() {
+        return <Modal show={this.props.modalState.isOpen}>
+            <ModalHeader>
+                <ModalTitle>Создание группы</ModalTitle>
+            </ModalHeader>
+            <ModalBody>
+                <StringInput value={this.name} label={'Имя группы'}/>
+            </ModalBody>
+            <ModalFooter>
+                <Button onClick={this.creationRequest} disabled={this.formInvalid}>Создать</Button>
+                <Button onClick={this.props.modalState.close}>Закрыть</Button>
+            </ModalFooter>
+        </Modal>
+    }
+}

web/src/components/layout/Header.tsx

@@ -6,14 +6,18 @@ import {observer} from "mobx-react";
 import {post} from "../../utils/request";
 import {LoginModal} from "../user/LoginModal";
 import {ModalState} from "../../utils/modalState";
-import {action, makeObservable} from "mobx";
+import {action, makeObservable, observable} from "mobx";
 import {FontAwesomeIcon} from "@fortawesome/react-fontawesome";
 import {ComponentContext} from "../../utils/ComponentContext";
+import {CreateGroupModal} from "../group/CreateGroupModal";
+import {UserRegistrationModal} from "../user/UserRegistrationModal";
 
 @observer
 class Header extends ComponentContext {
 
-    loginModalState = new ModalState();
+    @observable loginModalState = new ModalState();
+    @observable createGroupModalState = new ModalState();
+    @observable userRegistrationModalState = new ModalState();
 
     constructor(props: any) {
         super(props);
@@ -37,10 +41,17 @@ class Header extends ComponentContext {
                                 user.authenticated && userStore.isAdministrator() &&
                                 <NavDropdown title="Пользователи">
                                     <NavDropdown.Item as={RouterLink} routeName={'userList'} children={'Список'}/>
-                                    <NavDropdown.Item as={RouterLink} routeName={'userRegistration'}
+                                    <NavDropdown.Item onClick={this.userRegistrationModalState.open}
                                                       children={'Зарегистрировать'}/>
                                 </NavDropdown>
                             }
+                            {
+                                user.authenticated && userStore.isAdministrator() &&
+                                <NavDropdown title="Группы">
+                                    <NavDropdown.Item as={RouterLink} routeName={'groupList'} children={'Список'}/>
+                                    <NavDropdown.Item onClick={this.createGroupModalState.open} children={'Добавить'}/>
+                                </NavDropdown>
+                            }
                         </Nav>
 
                         <Nav className="ms-auto">
@@ -63,6 +74,8 @@ class Header extends ComponentContext {
                 </Navbar>
             </header>
             <LoginModal modalState={this.loginModalState}/>
+            <CreateGroupModal modalState={this.createGroupModalState}/>
+            <UserRegistrationModal modalState={this.userRegistrationModalState}/>
         </>
     }
 }

web/src/components/user/UserRegistrationModal.tsx

@@ -1,7 +1,6 @@
 import {observer} from "mobx-react";
-import {DefaultPage} from "../layout/DefaultPage";
 import {action, computed, makeObservable, observable} from "mobx";
-import {Button, Col, Form, Row} from "react-bootstrap";
+import {Button, Col, Modal, ModalBody, ModalFooter, ModalHeader, ModalTitle, Row} from "react-bootstrap";
 import {UserRegistrationDTO} from "../../models/registration";
 import {post} from "../../utils/request";
 import {ReactiveValue} from "../../utils/reactive/reactiveValue";
@@ -17,9 +16,15 @@ import {
     phone,
     required
 } from "../../utils/reactive/validators";
+import {ComponentContext} from "../../utils/ComponentContext";
+import {ModalState} from "../../utils/modalState";
+
+export interface UserRegistrationModalProps {
+    modalState: ModalState;
+}
 
 @observer
-export class UserRegistration extends DefaultPage {
+export class UserRegistrationModal extends ComponentContext<UserRegistrationModalProps> {
     constructor(props: any) {
         super(props);
         makeObservable(this);
@@ -31,7 +36,6 @@ export class UserRegistration extends DefaultPage {
     @observable email = new ReactiveValue<string>().addValidator(required).addValidator(email);
     @observable numberPhone = new ReactiveValue<string>().addValidator(required).addValidator(phone).setAuto('+7');
 
-
     @observable accountType = new ReactiveValue<string>().addValidator(required).addValidator((value) => {
         if (!['student', 'admin'].includes(value)) {
             return 'Тип аккаунта должен быть "СТУДЕНТ" или "АДМИНИСТРАТОР"';
@@ -64,9 +68,13 @@ export class UserRegistration extends DefaultPage {
         });
     }
 
-    get page() {
+    render() {
-        return <div className={'w-75 ms-auto me-auto'}>
+        return <Modal show={this.props.modalState.isOpen} size={'lg'}>
-            <Form>
+            <ModalHeader>
+                <ModalTitle>Регистрация пользователя</ModalTitle>
+            </ModalHeader>
+
+            <ModalBody>
                 <Row>
                     <Col>
                         <StringInput value={this.login} label={"Логин"}/>
@@ -78,10 +86,12 @@ export class UserRegistration extends DefaultPage {
                         <StringInput value={this.numberPhone} label={"Телефон"}/>
                     </Col>
                 </Row>
-
                 <SelectButtonInput value={this.accountType} label={'Тип аккаунта'}/>
+            </ModalBody>
+            <ModalFooter>
                 <Button disabled={this.formInvalid} onClick={this.submit}>Зарегистрировать</Button>
-            </Form>
+                <Button onClick={this.props.modalState.close} variant={'secondary'}>Закрыть</Button>
-        </div>
+            </ModalFooter>
+        </Modal>
     }
 }

web/src/models/error.ts

@@ -0,0 +1,12 @@
+export enum ErrorCode {
+    BUSINESS_ERROR = 'BUSINESS_ERROR',
+    VALIDATION_ERROR = 'VALIDATION_ERROR',
+    INTERNAL_ERROR = 'INTERNAL_ERROR',
+    NOT_FOUND = 'NOT_FOUND',
+    ACCESS_DENIED = 'ACCESS_DENIED',
+}
+
+export interface ErrorResponse {
+    message: string;
+    errorCode: ErrorCode;
+}

web/src/router/routes.ts

@@ -9,9 +9,6 @@ export const routes: Route[] = [{
 }, {
     name: 'userList',
     pattern: '/users',
-}, {
-    name: 'userRegistration',
-    pattern: '/user-registration',
 }, {
     name: 'error',
     pattern: '/error',

web/src/router/viewMap.tsx

@@ -3,12 +3,10 @@ import Home from "../components/layout/Home";
 import Error from "../components/layout/Error";
 import UserProfilePage from "../components/user/UserProfilePage";
 import {UserList} from "../components/user/UserList";
-import {UserRegistration} from "../components/user/UserRegistration";
 
 export const viewMap: ViewMap = {
     root: <Home/>,
     profile: <UserProfilePage/>,
     userList: <UserList/>,
-    userRegistration: <UserRegistration/>,
     error: <Error/>,
 }

web/src/utils/reactive/reactiveValue.ts

@@ -1,6 +1,4 @@
 import {action, computed, makeObservable, observable, reaction} from "mobx";
-import React from "react";
-import _ from "lodash";
 
 
 export class ReactiveValue<T> {
@@ -95,33 +93,33 @@ export class ReactiveValue<T> {
     }
 }
 
-export class NumberField extends ReactiveValue<number> {
+// export class NumberField extends ReactiveValue<number> {
-    constructor(fireImmediately: boolean = false) {
+//     constructor(fireImmediately: boolean = false) {
-        super(fireImmediately);
+//         super(fireImmediately);
-        makeObservable(this);
+//         makeObservable(this);
-        this.addValidator(value => {
+//         this.addValidator(value => {
-            if (_.isNaN(value)) {
+//             if (_.isNaN(value)) {
-                return 'Должно быть числом';
+//                 return 'Должно быть числом';
-            }
+//             }
-
+//
-            return null;
+//             return null;
-        });
+//         });
-    }
+//     }
-
+//
-    @action.bound
+//     @action.bound
-    onChange(event: React.ChangeEvent<HTMLInputElement>) {
+//     onChange(event: React.ChangeEvent<HTMLInputElement>) {
-        this.set(_.toNumber(event.currentTarget.value));
+//         this.set(_.toNumber(event.currentTarget.value));
-    }
+//     }
-}
+// }
-
+//
-export class BooleanField extends ReactiveValue<boolean> {
+// export class BooleanField extends ReactiveValue<boolean> {
-    constructor(fireImmediately: boolean = false) {
+//     constructor(fireImmediately: boolean = false) {
-        super(fireImmediately);
+//         super(fireImmediately);
-        makeObservable(this);
+//         makeObservable(this);
-    }
+//     }
-
+//
-    @action.bound
+//     @action.bound
-    onChange(event: React.ChangeEvent<HTMLInputElement>) {
+//     onChange(event: React.ChangeEvent<HTMLInputElement>) {
-        this.set(event.currentTarget.checked);
+//         this.set(event.currentTarget.checked);
-    }
+//     }
-}
+// }

web/src/utils/reactive/validators.ts

@@ -3,17 +3,6 @@ export const required = (value: any, field = 'Поле') => {
         return `${field} обязательно для заполнения`;
     }
 }
-export const greaterThan = (min: number) => (value: number, field = 'Значение') => {
-    if (value && value <= min) {
-        return `${field} должно быть больше ${min}`;
-    }
-}
-
-export const lessThan = (max: number) => (value: number, field = 'Значение') => {
-    if (value && value >= max) {
-        return `${field} должно быть меньше ${max}`;
-    }
-}
 
 export const equals = (expected: any) => (value: any, field = 'Поле') => {
     if (value && value !== expected) {
@@ -21,13 +10,31 @@ export const equals = (expected: any) => (value: any, field = 'Поле') => {
     }
 }
 
-export const length = (min: number, max: number) => (value: string, field = 'Поле') => {
+export const number = (value: string, field = 'Поле') => {
+    if (!/^\d+$/.test(value)) {
+        return `${field} должно быть числом`;
+    }
+}
+
+export const numGreaterThan = (min: number) => (value: number, field = 'Значение') => {
+    if (value && value <= min) {
+        return `${field} должно быть больше ${min}`;
+    }
+}
+
+export const numLessThan = (max: number) => (value: number, field = 'Значение') => {
+    if (value && value >= max) {
+        return `${field} должно быть меньше ${max}`;
+    }
+}
+
+export const strLength = (min: number, max: number) => (value: string, field = 'Поле') => {
     if (value && (value.length < min || value.length > max)) {
         return `${field} должно содержать от ${min} до ${max} символов`;
     }
 }
 
-export const pattern = (regexp: RegExp, message: string) => (value: string, field = '') => {
+export const strPattern = (regexp: RegExp, message: string) => (value: string, field = '') => {
     if (!regexp.test(value)) {
         return message;
     }
@@ -81,12 +88,6 @@ export const nameLength = (value: string, field = 'Поле') => {
     }
 }
 
-export const number = (value: string, field = 'Поле') => {
-    if (!/^\d+$/.test(value)) {
-        return `${field} должно быть числом`;
-    }
-}
-
 export const date = (value: string, field = 'Поле') => {
     if (!/^\d{4}-\d{2}-\d{2}$/.test(value)) {
         return `${field} должно быть датой в формате ГГГГ-ММ-ДД`;

web/src/utils/request.ts

@@ -1,5 +1,6 @@
 import axios, {AxiosError, AxiosRequestConfig} from "axios";
 import {NotificationService} from "../services/NotificationService";
+import {ErrorResponse} from "../models/error";
 
 export const apiUrl = "http://localhost:8080/api/v1/";
 
@@ -21,7 +22,7 @@ export const request = async <R>(config: AxiosRequestConfig<any>, doReject: bool
             resolve(response.data);
         }).catch((error: AxiosError) => {
             if (showError) {
-                if (error.response) NotificationService.error(JSON.stringify(error.response.data), 'Сервер вернул ошибку, код статуса: ' + error.response.status);
+                if (error.response) NotificationService.error((error.response.data as ErrorResponse).message, 'Сервер вернул ошибку, код статуса: ' + error.response.status);
                 else if (error.request) NotificationService.error(error.request, 'Не удалось получить ответ от сервера');
                 else NotificationService.error(error.message, 'Запрос отправить не удалось');
             }