src/main/java/com/example/nto/App.java

@@ -1,4 +1,8 @@
 package com.example.nto;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
@@ -6,7 +10,9 @@ package com.example.nto;
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@SpringBootApplication
 public class App {
     public static void main(String[] args) {
+        SpringApplication.run(App.class , args);
     }
 }

src/main/java/com/example/nto/controller/BookingController.java

@@ -1,10 +1,77 @@
 package com.example.nto.controller;
 
+import com.example.nto.excepation.EmployeeNotFoundException;
+import com.example.nto.repository.BookingRepository;
+import com.example.nto.repository.PlaceRepository;
+import com.example.nto.service.BookingService;
+import com.example.nto.service.EmployeeService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import java.util.Map;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@RestController
+@RequestMapping("/api")
 public class BookingController {
+    @Autowired
+    private BookingService bookingService;
+    @Autowired
+    private PlaceRepository placeRepository;
+    @Autowired
+    private BookingRepository bookingRepository;
+    @Autowired
+    private EmployeeService employeeService;
+    @GetMapping("/{code}/booking")
+    public ResponseEntity<?> getAvailableBookings(@PathVariable String code) {
+        try {
+            if (code == null || code.trim().isEmpty()) {
+                return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Employee code cannot be null or empty");
+            }
+            Map<String, Object> response = bookingService.findAvailableBookings(code);
+            return ResponseEntity.ok(response);
+        } catch (IllegalArgumentException e) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(e.getMessage());
+        } catch (EmployeeNotFoundException e) {
+            return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(e.getMessage());
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Unexpected error");
+        }
+    }
+    @PostMapping("/{code}/book")
+    public ResponseEntity<?> createBooking(
+            @PathVariable String code,
+            @RequestBody Map<String, Object> body
+    ) {
+        try {
+            Long placeId = body.get("placeId") != null ? Long.valueOf(body.get("placeId").toString()) : null;
+            String date = body.get("date") != null ? body.get("date").toString() : null;
+            if (placeId == null || date == null || date.isEmpty()) {
+                return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Place ID and date must be provided");
+            }
+            String message = bookingService.createBooking(code, placeId, date);
+            return ResponseEntity.ok(message);
+        } catch (IllegalArgumentException e) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(e.getMessage());
+        } catch (EmployeeNotFoundException e) {
+            return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(e.getMessage());
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Unexpected error");
+        }
+    }
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Void> deleteBooking(@PathVariable Long id) {
+        bookingService.deleteBooking(id);
+        return ResponseEntity.noContent().build();
+    }
 }
+
+
+
+

src/main/java/com/example/nto/controller/EmployeeController.java

@@ -1,4 +1,18 @@
 package com.example.nto.controller;
+import com.example.nto.entity.Booking;
+import com.example.nto.entity.Employee;
+import com.example.nto.excepation.EmployeeNotFoundException;
+import com.example.nto.repository.BookingRepository;
+import com.example.nto.service.EmployeeService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
 
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
@@ -6,5 +20,51 @@ package com.example.nto.controller;
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@RestController
+@RequestMapping("/api")
 public class EmployeeController {
+    @Autowired
+    private EmployeeService employeeService;
+    @Autowired
+    private BookingRepository bookingRepository;
+
+    @GetMapping("/{code}/auth")
+    public ResponseEntity<String> checkAuth(
+            @PathVariable String code) {
+        if (code == null) {
+            throw new IllegalArgumentException("Employee code is required");
+        }
+        try {
+            employeeService.getEmployeeByCode(code);
+            return ResponseEntity.ok("Authorized Employee");
+        } catch (IllegalArgumentException e) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).build();
+        } catch (EmployeeNotFoundException e) {
+            return ResponseEntity.status(HttpStatus.NOT_FOUND).build();
+        }
+    }
+    @GetMapping("/{code}/info")
+    public ResponseEntity<?> getEmployeeInfo(@PathVariable String code) {
+        try {
+            if (code == null || code.trim().isEmpty()) {
+                return ResponseEntity.status(HttpStatus.BAD_REQUEST)
+                        .body("Employee code cannot be null or empty");
+            }
+            Employee employee = employeeService.getEmployeeByCode(code);
+            List<Booking> bookings = bookingRepository.findByEmployeeId(employee.getId());
+            Map<String, List<Map<String, Object>>> bookingMap = bookings.stream().collect(Collectors.groupingBy(b -> b.getDate().toString(),LinkedHashMap::new,Collectors.mapping(b -> Map.of("id", b.getId(),"place", b.getPlace().getPlace()), Collectors.toList())));
+            Map<String, Object> response = new LinkedHashMap<>();
+            response.put("name", employee.getName());
+            response.put("photoUrl", employee.getPhotoUrl());
+            response.put("booking", bookingMap);
+            return ResponseEntity.ok(response);
+        } catch (IllegalArgumentException e) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(e.getMessage());
+        } catch (EmployeeNotFoundException e) {
+            return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(e.getMessage());
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
+                    .body("Unexpected error");
+        }
+    }
 }

src/main/java/com/example/nto/entity/Booking.java

@@ -1,8 +1,6 @@
 package com.example.nto.entity;
 
-import jakarta.persistence.FetchType;
+import jakarta.persistence.*;
-import jakarta.persistence.JoinColumn;
-import jakarta.persistence.ManyToOne;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -21,15 +19,44 @@ import java.time.LocalDate;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
+@Entity
+@Table(name="booking")
 public class Booking {
-
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
-
     private LocalDate date;
-
     @ManyToOne(targetEntity = Place.class, fetch = FetchType.LAZY)
     @JoinColumn(name = "place_id")
     private Place place;
-
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "employee_id")
     private Employee employee;
+
+
+    public Place getPlace() {
+        return place;
+    }
+    public LocalDate getDate() {
+        return date;
+    }
+
+    public Object getId() {
+        return id;
+    }
+
+    public Employee getEmployee() {
+        return employee;
+    }
+
+    public void setDate(LocalDate date) {
+        this.date = date;
+    }
+
+    public void setPlace(Place place) {
+        this.place = place;
+    }
+    public void setEmployee(Employee employee) {
+        this.employee = (Employee) employee;
+    }
 }

src/main/java/com/example/nto/entity/Employee.java

@@ -1,11 +1,14 @@
 package com.example.nto.entity;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 
@@ -19,16 +22,23 @@ import java.util.List;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
+@Entity
+@Table(name="employee")
 public class Employee {
-
+    @Id
     private long id;
 
+
     private String name;
 
     private String code;
 
     private String photoUrl;
+    @OneToMany(mappedBy = "employee", fetch = FetchType.LAZY, cascade = CascadeType.ALL)
+    private List<Booking> bookings = new ArrayList<>();
 
-    @OneToMany(mappedBy = "employee", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    public long getId() { return id; }
-    private List<Booking> bookingList;
+    public String getName() { return name; }
+    public String getCode() { return code; }
+    public String getPhotoUrl() { return photoUrl; }
 }

src/main/java/com/example/nto/entity/Place.java

@@ -1,8 +1,6 @@
 package com.example.nto.entity;
 
-import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.*;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -19,11 +17,26 @@ import lombok.NoArgsConstructor;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
+@Entity
+@Table(name="place")
 public class Place {
-
     @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
-
+    @Column(name = "place_name")
     private String place;
+
+    public Place(int id, String place) {
+    }
+    
+
+    public Object getPlace() {
+        return place;
+    }
+
+    public Long getId() {
+        return id;
+    }
 }
+
+
+

src/main/java/com/example/nto/excepation/EmployeeNotFoundException.java

@@ -0,0 +1,7 @@
+package com.example.nto.excepation;
+
+public class EmployeeNotFoundException extends RuntimeException{
+    public EmployeeNotFoundException(String message) {
+        super(message);
+    }
+}

src/main/java/com/example/nto/excepation/IllegalArgumentException.java

@@ -0,0 +1,7 @@
+package com.example.nto.excepation;
+
+public class IllegalArgumentException extends RuntimeException {
+    public IllegalArgumentException(String message) {
+        super(message);
+    }
+}

src/main/java/com/example/nto/repository/BookingRepository.java

@@ -1,10 +1,20 @@
 package com.example.nto.repository;
 
+import com.example.nto.entity.Booking;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.time.LocalDate;
+import java.util.List;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
-public interface BookingRepository {
+@Repository
+public interface BookingRepository extends JpaRepository<Booking, Long> {
+    List<Booking> findByDateBetween(LocalDate start, LocalDate end);
+    List<Booking> findByEmployeeId(long id);
 }

src/main/java/com/example/nto/repository/EmployeeRepository.java

@@ -1,10 +1,18 @@
 package com.example.nto.repository;
 
+import com.example.nto.entity.Employee;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.Optional;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
-public interface EmployeeRepository {
+@Repository
-}
+public interface EmployeeRepository extends JpaRepository<Employee, Long> {
+    Optional<Employee> findByCode(String code);
+}

src/main/java/com/example/nto/repository/PlaceRepository.java

@@ -1,10 +1,15 @@
 package com.example.nto.repository;
 
+import com.example.nto.entity.Place;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
-public interface PlaceRepository {
+@Repository
+public interface PlaceRepository extends JpaRepository<Place, Long> {
 }

src/main/java/com/example/nto/service/BookingService.java

@@ -1,10 +1,11 @@
 package com.example.nto.service;
 
-/**
+import org.springframework.stereotype.Service;
- * TODO: ДОРАБОТАТЬ в рамках задания
+import java.util.Map;
- * =================================
+
- * МОЖНО: Добавлять методы, аннотации, зависимости
+@Service
- * НЕЛЬЗЯ: Изменять название класса и пакета
- */
 public interface BookingService {
+    Map<String, Object> findAvailableBookings(String employeeCode);
+    String createBooking(String code, Long placeId, String date);
+    void deleteBooking(long id);
 }

src/main/java/com/example/nto/service/EmployeeService.java

@@ -1,4 +1,6 @@
 package com.example.nto.service;
+import com.example.nto.entity.Employee;
+import org.springframework.stereotype.Service;
 
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
@@ -6,5 +8,7 @@ package com.example.nto.service;
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@Service
 public interface EmployeeService {
+    Employee getEmployeeByCode(String code);
 }

src/main/java/com/example/nto/service/PlaceServise.java

@@ -0,0 +1,22 @@
+package com.example.nto.service;
+import com.example.nto.entity.Place;
+import com.example.nto.repository.PlaceRepository;
+import jakarta.annotation.PostConstruct;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class PlaceServise {
+    @Autowired
+    private  PlaceRepository placeRepository;
+    @PostConstruct
+    public void Places() {
+        if(placeRepository.count() == 0) {
+            placeRepository.save(new Place(1,"K-19"));
+            placeRepository.save(new Place(2,"M-16"));
+            placeRepository.save(new Place(3,"T-1"));
+        }
+    }
+
+}
+

src/main/java/com/example/nto/service/impl/BookingServiceImpl.java

@@ -1,12 +1,102 @@
 package com.example.nto.service.impl;
 
+import com.example.nto.entity.Booking;
+import com.example.nto.entity.Employee;
+import com.example.nto.entity.Place;
+import com.example.nto.excepation.EmployeeNotFoundException;
+import com.example.nto.repository.BookingRepository;
+import com.example.nto.repository.EmployeeRepository;
+import com.example.nto.repository.PlaceRepository;
 import com.example.nto.service.BookingService;
+import com.example.nto.service.EmployeeService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
 
-/**
+import java.time.LocalDate;
- * TODO: ДОРАБОТАТЬ в рамках задания
+import java.util.*;
- * =================================
+
- * МОЖНО: Добавлять методы, аннотации, зависимости
+@Service
- * НЕЛЬЗЯ: Изменять название класса и пакета
- */
 public class BookingServiceImpl implements BookingService {
+    @Autowired
+    private BookingRepository bookingRepository;
+    @Autowired
+    private PlaceRepository placeRepository;
+    @Autowired
+    private EmployeeService employeeService;
+    @Autowired
+    private EmployeeRepository employeeRepository;
+    @Override
+    public Map<String, Object> findAvailableBookings(String employeeCode) {
+        if (employeeCode == null || employeeCode.isEmpty()) {
+            throw new IllegalArgumentException("Employee code cannot be null or empty");
+        }
+        Employee employee = employeeService.getEmployeeByCode(employeeCode);
+        if (employee == null) {
+            throw new EmployeeNotFoundException("Employee not found with code: " + employeeCode);
+        }
+        LocalDate today = LocalDate.now();
+        LocalDate endDate = today.plusDays(3);
+        List<Booking> bookings = bookingRepository.findByDateBetween(today, endDate);
+        List<Place> places = placeRepository.findAll();
+        Map<String, List<Map<String, Object>>> result = new LinkedHashMap<>();
+        for (int i = 0; i <= 3; i++) {
+            LocalDate date = today.plusDays(i);
+            List<Map<String, Object>> freePlaces = new ArrayList<>();
+            for (Place place : places) {
+                boolean isBooked = bookings.stream().anyMatch(b -> b.getDate().isEqual(date) && b.getPlace().getId() == place.getId());
+                if (!isBooked) {
+                    Map<String, Object> placeInfo = new LinkedHashMap<>();
+                    placeInfo.put("id", place.getId());
+                    placeInfo.put("place", place.getPlace());
+                    freePlaces.add(placeInfo);
+                }
+            }
+            result.put(date.toString(), freePlaces);
+        }
+        return Collections.unmodifiableMap(result);
+    }
+    public String createBooking(String code, Long placeId, String date) {
+
+        if (code == null || code.isBlank()) {
+            throw new IllegalArgumentException("Employee code is empty");
+        }
+        if (placeId == null || date == null || date.isBlank()) {
+            throw new IllegalArgumentException("Place ID and date must be provided");
+        }
+        Employee employee = employeeRepository.findByCode(code).orElseThrow(() -> new EmployeeNotFoundException("Employee not found"));
+        Place place = placeRepository.findById(placeId).orElseThrow(() -> new IllegalArgumentException("Place not found"));
+        LocalDate bookingDate;
+        try {
+            bookingDate = LocalDate.parse(date);
+        } catch (Exception e) {
+            throw new IllegalArgumentException("Invalid date format. Use yyyy-MM-dd");
+        }
+        boolean exists = bookingRepository.findByDateBetween(bookingDate, bookingDate).stream().anyMatch(
+                b -> b.getPlace()
+                        .getId() == placeId);
+        if (exists) {
+            throw new IllegalArgumentException("Place already booked for this date");
+        }
+        Booking booking = new Booking();
+        booking.setEmployee((Employee) employee);
+        booking.setPlace(place);
+        booking.setDate(bookingDate);
+        bookingRepository.save(booking);
+        Map<String, Object> result = new LinkedHashMap<>();
+        result.put("id", booking.getId());
+        result.put("date", booking.getDate());
+        result.put("placeId", place.getId());
+        result.put("employeeId", employee.getId());
+        return "the booking was created successfully";
+    }
+    public void deleteBooking(long id) {
+        if (!bookingRepository.existsById(id)) {
+            throw new IllegalArgumentException("Booking not found with id: " + id);
+        }
+        bookingRepository.deleteById(id);
+    }
 }
+
+
+
+

src/main/java/com/example/nto/service/impl/EmployeeServiceImpl.java

@@ -1,6 +1,12 @@
 package com.example.nto.service.impl;
-
+import com.example.nto.entity.Employee;
+import com.example.nto.excepation.EmployeeNotFoundException;
+import com.example.nto.repository.EmployeeRepository;
 import com.example.nto.service.EmployeeService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
 
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
@@ -8,5 +14,16 @@ import com.example.nto.service.EmployeeService;
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@Service
+@RequiredArgsConstructor
 public class EmployeeServiceImpl implements EmployeeService {
-}
+    @Autowired
+    private  EmployeeRepository employeeRepository;
+    @Override
+    public Employee getEmployeeByCode(String code) {
+        if (code == null || code.isEmpty()) {
+            throw new IllegalArgumentException("Employee code is required");
+        }
+        return employeeRepository.findByCode(code).orElseThrow(() -> new EmployeeNotFoundException("Employee not found"));
+    }
+}