api was implemented

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

@@ -6,7 +6,12 @@ package com.example.nto;
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@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 +1,43 @@
 package com.example.nto.controller;
 
+import com.example.nto.dto.BookRequest;
+import com.example.nto.dto.BookingInfoDto;
+import com.example.nto.dto.PlaceDto;
+import com.example.nto.service.BookingService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+import java.util.Map;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@RestController
+@RequestMapping("/api")
+@RequiredArgsConstructor
 public class BookingController {
+
+    private final BookingService bookingService;
+
+    @GetMapping("/{code}/booking")
+    public Map<String, List<PlaceDto>> getAvailable(@PathVariable String code) {
+        return bookingService.getAvailablePlaces(code);
+    }
+
+    @PostMapping("/{code}/book")
+    public ResponseEntity<BookingInfoDto> book(@PathVariable String code, @RequestBody BookRequest request) {
+        System.out.println("place id: " + request.placeId());
+        BookingInfoDto booking = bookingService.createBooking(code, request.date(), request.placeId());
+        return ResponseEntity.status(201).body(booking);
+    }
 }

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

@@ -1,10 +1,37 @@
 package com.example.nto.controller;
 
+import com.example.nto.dto.EmployeeInfoResponse;
+import com.example.nto.service.BookingService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@RestController
+@RequestMapping("/api")
+@RequiredArgsConstructor
 public class EmployeeController {
+
+    private final BookingService bookingService;
+
+    @GetMapping("/{code}/auth")
+    public ResponseEntity<Void> auth(@PathVariable String code) {
+        if (bookingService.isCodeValid(code)) {
+            return ResponseEntity.ok().build();
+        }
+        return ResponseEntity.status(401).build();
+    }
+
+    @GetMapping("/{code}/info")
+    public EmployeeInfoResponse getInfo(@PathVariable String code) {
+        return bookingService.getEmployeeInfo(code);
+    }
 }

src/main/java/com/example/nto/dto/BookRequest.java

@@ -0,0 +1,7 @@
+package com.example.nto.dto;
+
+import java.time.LocalDate;
+
+public record BookRequest(LocalDate date, long placeId) {
+}
+

src/main/java/com/example/nto/dto/BookingInfoDto.java

@@ -0,0 +1,5 @@
+package com.example.nto.dto;
+
+public record BookingInfoDto(long id, String place) {
+}
+

src/main/java/com/example/nto/dto/EmployeeInfoResponse.java

@@ -0,0 +1,7 @@
+package com.example.nto.dto;
+
+import java.util.Map;
+
+public record EmployeeInfoResponse(String name, String photoUrl, Map<String, BookingInfoDto> booking) {
+}
+

src/main/java/com/example/nto/dto/PlaceDto.java

@@ -0,0 +1,5 @@
+package com.example.nto.dto;
+
+public record PlaceDto(long id, String place) {
+}
+

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

@@ -1,8 +1,14 @@
 package com.example.nto.entity;
 
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
 import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -21,15 +27,22 @@ import java.time.LocalDate;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
+@Entity
+@Table(name = "booking")
 public class Booking {
 
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
 
+    @Column(nullable = false)
     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;
 }

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

@@ -1,6 +1,14 @@
 package com.example.nto.entity;
 
-import jakarta.persistence.*;
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -19,14 +27,20 @@ import java.util.List;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
+@Entity
+@Table(name = "employee")
 public class Employee {
 
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
 
     private String name;
 
+    @Column(unique = true, nullable = false)
     private String code;
 
+    @Column(name = "photo_url")
     private String photoUrl;
 
     @OneToMany(mappedBy = "employee", cascade = CascadeType.ALL, fetch = FetchType.LAZY)

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

@@ -1,8 +1,11 @@
 package com.example.nto.entity;
 
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import jakarta.persistence.Table;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -19,11 +22,14 @@ 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", nullable = false, unique = true)
     private String place;
 }

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

@@ -1,10 +1,26 @@
 package com.example.nto.repository;
 
+import com.example.nto.entity.Booking;
+import com.example.nto.entity.Employee;
+import com.example.nto.entity.Place;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.time.LocalDate;
+import java.util.List;
+import java.util.Optional;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
-public interface BookingRepository {
+public interface BookingRepository extends JpaRepository<Booking, Long> {
+    List<Booking> findAllByEmployee(Employee employee);
+
+    List<Booking> findAllByDate(LocalDate date);
+
+    Optional<Booking> findByDateAndPlace(LocalDate date, Place place);
+
+    Optional<Booking> findByEmployeeAndDate(Employee employee, LocalDate date);
 }

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

@@ -1,10 +1,17 @@
 package com.example.nto.repository;
 
+import com.example.nto.entity.Employee;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.Optional;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
-public interface EmployeeRepository {
+public interface EmployeeRepository extends JpaRepository<Employee, Long> {
+    Optional<Employee> findByCode(String code);
+    boolean existsByCode(String code);
 }

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

@@ -1,10 +1,13 @@
 package com.example.nto.repository;
 
+import com.example.nto.entity.Place;
+import org.springframework.data.jpa.repository.JpaRepository;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
-public interface PlaceRepository {
+public interface PlaceRepository extends JpaRepository<Place, Long> {
 }

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

@@ -1,5 +1,13 @@
 package com.example.nto.service;
 
+import com.example.nto.dto.BookingInfoDto;
+import com.example.nto.dto.EmployeeInfoResponse;
+import com.example.nto.dto.PlaceDto;
+
+import java.time.LocalDate;
+import java.util.List;
+import java.util.Map;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
@@ -7,4 +15,12 @@ package com.example.nto.service;
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
 public interface BookingService {
+
+    boolean isCodeValid(String code);
+
+    EmployeeInfoResponse getEmployeeInfo(String code);
+
+    Map<String, List<PlaceDto>> getAvailablePlaces(String code);
+
+    BookingInfoDto createBooking(String code, LocalDate date, long placeId);
 }

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

@@ -1,5 +1,7 @@
 package com.example.nto.service;
 
+import com.example.nto.entity.Employee;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
@@ -7,4 +9,8 @@ package com.example.nto.service;
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
 public interface EmployeeService {
+
+    boolean existsByCode(String code);
+
+    Employee getByCode(String code);
 }

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

@@ -1,6 +1,31 @@
 package com.example.nto.service.impl;
 
+import com.example.nto.dto.BookingInfoDto;
+import com.example.nto.dto.EmployeeInfoResponse;
+import com.example.nto.dto.PlaceDto;
+import com.example.nto.entity.Booking;
+import com.example.nto.entity.Employee;
+import com.example.nto.entity.Place;
+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 lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.server.ResponseStatusException;
+
+import java.time.LocalDate;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import static org.springframework.http.HttpStatus.BAD_REQUEST;
+import static org.springframework.http.HttpStatus.CONFLICT;
+import static org.springframework.http.HttpStatus.UNAUTHORIZED;
 
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
@@ -8,5 +33,108 @@ import com.example.nto.service.BookingService;
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@Service
+@RequiredArgsConstructor
 public class BookingServiceImpl implements BookingService {
+
+    private final EmployeeRepository employeeRepository;
+    private final BookingRepository bookingRepository;
+    private final PlaceRepository placeRepository;
+
+    @Value("${booking.days-ahead:3}")
+    private int daysAhead;
+
+    @Override
+    public boolean isCodeValid(String code) {
+        return employeeRepository.existsByCode(code);
+    }
+
+    @Override
+    public EmployeeInfoResponse getEmployeeInfo(String code) {
+        Employee employee = employeeRepository.findByCode(code)
+                .orElseThrow(() -> new ResponseStatusException(UNAUTHORIZED));
+
+        Map<String, BookingInfoDto> bookingMap = bookingRepository.findAllByEmployee(employee)
+                .stream()
+                .collect(Collectors.toMap(
+                        b -> b.getDate().toString(),
+                        b -> new BookingInfoDto(b.getId(), b.getPlace().getPlace()),
+                        (first, second) -> first
+                ));
+
+        return new EmployeeInfoResponse(employee.getName(), employee.getPhotoUrl(), bookingMap);
+    }
+
+    @Override
+    public Map<String, List<PlaceDto>> getAvailablePlaces(String code) {
+        ensureCodeValid(code);
+
+        List<Place> allPlaces = placeRepository.findAll();
+        Map<String, List<PlaceDto>> result = new HashMap<>();
+
+        for (int i = 0; i <= daysAhead; i++) {
+            LocalDate date = LocalDate.now().plusDays(i);
+            Set<Long> bookedPlaceIds = bookingRepository.findAllByDate(date)
+                    .stream()
+                    .map(booking -> booking.getPlace().getId())
+                    .collect(Collectors.toSet());
+
+            List<PlaceDto> available = allPlaces.stream()
+                    .filter(place -> !bookedPlaceIds.contains(place.getId()))
+                    .map(place -> new PlaceDto(place.getId(), place.getPlace()))
+                    .toList();
+
+            result.put(date.toString(), available);
+        }
+
+        return result;
+    }
+
+    @Override
+    @Transactional
+    public BookingInfoDto createBooking(String code, LocalDate date, long placeId) {
+        Employee employee = employeeRepository.findByCode(code)
+                .orElseThrow(() -> new ResponseStatusException(UNAUTHORIZED));
+
+        validateDate(date);
+
+        Place place = placeRepository.findById(placeId)
+                .orElseThrow(() -> new ResponseStatusException(BAD_REQUEST));
+
+        bookingRepository.findByEmployeeAndDate(employee, date)
+                .ifPresent(existing -> {
+                    throw new ResponseStatusException(CONFLICT);
+                });
+
+        bookingRepository.findByDateAndPlace(date, place)
+                .ifPresent(existing -> {
+                    throw new ResponseStatusException(CONFLICT);
+                });
+
+        Booking booking = Booking.builder()
+                .date(date)
+                .place(place)
+                .employee(employee)
+                .build();
+
+        Booking saved = bookingRepository.save(booking);
+        return new BookingInfoDto(saved.getId(), saved.getPlace().getPlace());
+    }
+
+    private void ensureCodeValid(String code) {
+        if (!employeeRepository.existsByCode(code)) {
+            throw new ResponseStatusException(UNAUTHORIZED);
+        }
+    }
+
+    private void validateDate(LocalDate date) {
+        if (date == null) {
+            throw new ResponseStatusException(BAD_REQUEST);
+        }
+        LocalDate today = LocalDate.now();
+        LocalDate lastAvailable = today.plusDays(daysAhead);
+        if (date.isBefore(today) || date.isAfter(lastAvailable)) {
+            throw new ResponseStatusException(BAD_REQUEST);
+        }
+    }
 }

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

@@ -1,6 +1,13 @@
 package com.example.nto.service.impl;
 
+import com.example.nto.entity.Employee;
+import com.example.nto.repository.EmployeeRepository;
 import com.example.nto.service.EmployeeService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.web.server.ResponseStatusException;
+
+import static org.springframework.http.HttpStatus.UNAUTHORIZED;
 
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
@@ -8,5 +15,20 @@ import com.example.nto.service.EmployeeService;
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@Service
+@RequiredArgsConstructor
 public class EmployeeServiceImpl implements EmployeeService {
+
+    private final EmployeeRepository employeeRepository;
+
+    @Override
+    public boolean existsByCode(String code) {
+        return employeeRepository.existsByCode(code);
+    }
+
+    @Override
+    public Employee getByCode(String code) {
+        return employeeRepository.findByCode(code)
+                .orElseThrow(() -> new ResponseStatusException(UNAUTHORIZED));
+    }
 }