Complete backend functionality

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

@@ -1,12 +1,17 @@
 package com.example.nto;
 
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * 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 +1,79 @@
 package com.example.nto.controller;
 
+import com.example.nto.controller.dto.BookingRequest;
+import com.example.nto.entity.Booking;
+import com.example.nto.entity.Place;
+import com.example.nto.service.BookingService;
+import com.example.nto.service.EmployeeService;
+import com.example.nto.service.PlaceService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.time.LocalDate;
+import java.util.*;
+import java.util.stream.Collectors;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@RestController
+@RequestMapping("/api/{code}")
 public class BookingController {
+
+    @Autowired
+    private EmployeeService employeeService;
+    @Autowired
+    private BookingService bookingService;
+    @Autowired
+    private PlaceService placeService;
+
+    @Value("${booking.days-ahead}")
+    private int daysAhead;
+
+    @GetMapping("/booking")
+    public ResponseEntity<Map<LocalDate, List<Place>>> getAvailablePlaces(@PathVariable String code) {
+        var user = employeeService.getByCode(code);
+        if (user == null) return ResponseEntity.status(HttpStatus.UNAUTHORIZED).build();
+        try {
+            var today = LocalDate.now();
+            var allPlaces = placeService.getAll();
+            var upcomingBookings = bookingService.getAll();
+            var bookedPlacesByDate = upcomingBookings.stream()
+                    .collect(Collectors.groupingBy(
+                            Booking::getDate,
+                            Collectors.mapping(it -> it.getPlace().getId(), Collectors.toSet())
+                    ));
+            var result = new LinkedHashMap<LocalDate, List<Place>>();
+            for (int i = 0; i <= daysAhead; i++) {
+                var date = today.plusDays(i);
+                var bookedPlaceIds = bookedPlacesByDate.getOrDefault(date, Collections.emptySet());
+                var availablePlaces = allPlaces.stream()
+                        .filter(it -> !bookedPlaceIds.contains(it.getId()))
+                        .toList();
+                result.put(date, availablePlaces);
+            }
+            return ResponseEntity.ok(result);
+        } catch (Exception e) { return ResponseEntity.status(HttpStatus.BAD_REQUEST).build(); }
+    }
+
+    @PostMapping("/book")
+    public ResponseEntity<Void> book(@PathVariable String code, @RequestBody BookingRequest bookingRequest) {
+        var user = employeeService.getByCode(code);
+        if (user == null) return ResponseEntity.status(HttpStatus.UNAUTHORIZED).build();
+        try {
+            var alreadyBooked = bookingService.getAll().stream()
+                    .anyMatch(it -> it.getDate().isEqual(bookingRequest.getDate()) && it.getPlace().getId() == bookingRequest.getPlaceId());
+            if (alreadyBooked) return ResponseEntity.status(HttpStatus.CONFLICT).build();
+            var place = new Place();
+            place.setId(bookingRequest.getPlaceId());
+            bookingService.save(bookingRequest.getDate(), place, user);
+            return ResponseEntity.status(HttpStatus.CREATED).build();
+        } catch (Exception e) { return ResponseEntity.status(HttpStatus.BAD_REQUEST).build(); }
+    }
 }

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

@@ -1,10 +1,53 @@
 package com.example.nto.controller;
 
+import com.example.nto.controller.dto.EmployeeInfoResponse;
+import com.example.nto.entity.Booking;
+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.stream.Collectors;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@RestController
+@RequestMapping("/api/{code}")
 public class EmployeeController {
+    
+    @Autowired
+    private EmployeeService employeeService;
+    
+    @GetMapping("/auth")
+    public ResponseEntity<Object> checkCode(@PathVariable String code) {
+        var user = employeeService.getByCode(code);
+        if (user == null) return ResponseEntity.status(HttpStatus.UNAUTHORIZED).build();
+        return ResponseEntity.status(HttpStatus.OK).build();
+    }
+
+    @GetMapping("/info")
+    public ResponseEntity<EmployeeInfoResponse> getInfo(@PathVariable String code) {
+        var user = employeeService.getByCode(code);
+        if (user == null) return ResponseEntity.status(HttpStatus.UNAUTHORIZED).build();
+        var response = new EmployeeInfoResponse();
+        response.setName(user.getName());
+        response.setPhotoUrl(user.getPhotoUrl());
+        var bookingMap = user.getBookingList().stream().collect(Collectors.toMap(
+            Booking::getDate,
+            it -> {
+                var p = new EmployeeInfoResponse.BookedPlace();
+                p.setId(it.getPlace().getId());
+                p.setPlace(it.getPlace().getPlace());
+                return p;
+            })
+        );
+        response.setBooking(bookingMap);
+
+        return ResponseEntity.ok(response);
+    }
 }

src/main/java/com/example/nto/controller/dto/BookingRequest.java

@@ -0,0 +1,11 @@
+package com.example.nto.controller.dto;
+
+import lombok.Data;
+
+import java.time.LocalDate;
+
+@Data
+public class BookingRequest {
+    private LocalDate date;
+    private long placeId;
+}

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

@@ -0,0 +1,19 @@
+package com.example.nto.controller.dto;
+
+import lombok.Data;
+
+import java.time.LocalDate;
+import java.util.Map;
+
+@Data
+public class EmployeeInfoResponse {
+    private String name;
+    private String photoUrl;
+    private Map<LocalDate, BookedPlace> booking;
+
+    @Data
+    public static class BookedPlace {
+        private long id;
+        private String place;
+    }
+}

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.JoinColumn;
-import jakarta.persistence.ManyToOne;
+import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -19,10 +17,12 @@ import java.time.LocalDate;
  */
 @Data
 @Builder
-@NoArgsConstructor
 @AllArgsConstructor
+@Entity
 public class Booking {
 
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
 
     private LocalDate date;
@@ -31,5 +31,10 @@ public class Booking {
     @JoinColumn(name = "place_id")
     private Place place;
 
+    @ManyToOne(targetEntity = Employee.class, fetch = FetchType.LAZY)
+    @JoinColumn(name = "employee_id")
     private Employee employee;
+
+    public Booking() {}
+
 }

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

@@ -17,10 +17,12 @@ import java.util.List;
  */
 @Data
 @Builder
-@NoArgsConstructor
 @AllArgsConstructor
+@Entity
 public class Employee {
 
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
 
     private String name;
@@ -31,4 +33,7 @@ public class Employee {
 
     @OneToMany(mappedBy = "employee", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
     private List<Booking> bookingList;
+
+    public Employee() {}
+
 }

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

@@ -1,12 +1,11 @@
 package com.example.nto.entity;
 
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
+import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
-import lombok.NoArgsConstructor;
+
+import java.util.List;
 
 
 /**
@@ -17,13 +16,20 @@ import lombok.NoArgsConstructor;
  */
 @Data
 @Builder
-@NoArgsConstructor
 @AllArgsConstructor
+@Entity
 public class Place {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
 
+    @Column(name = "place_name")
     private String place;
+
+    @OneToMany(mappedBy = "place", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    private List<Booking> bookingList;
+
+    public Place() {}
+
 }

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

@@ -1,10 +1,17 @@
 package com.example.nto.repository;
 
+import com.example.nto.entity.Booking;
+import org.springframework.data.repository.CrudRepository;
+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 BookingRepository {
-}
+@Repository
+public interface BookingRepository extends CrudRepository<Booking, Long> {
+}

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

@@ -1,10 +1,19 @@
 package com.example.nto.repository;
 
+import com.example.nto.entity.Employee;
+import org.springframework.data.repository.CrudRepository;
+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 CrudRepository<Employee, Long> {
+    Optional<Employee> findByName(String name);
+    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.repository.CrudRepository;
+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 CrudRepository<Place, Long> {
 }

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

@@ -1,5 +1,12 @@
 package com.example.nto.service;
 
+import com.example.nto.entity.Booking;
+import com.example.nto.entity.Employee;
+import com.example.nto.entity.Place;
+
+import java.time.LocalDate;
+import java.util.List;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
@@ -7,4 +14,7 @@ package com.example.nto.service;
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
 public interface BookingService {
+    Booking getById(Long id);
+    List<Booking> getAll();
+    void save(LocalDate date, Place place, Employee employee);
 }

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

@@ -1,5 +1,9 @@
 package com.example.nto.service;
 
+import com.example.nto.entity.Employee;
+
+import java.util.List;
+
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
  * =================================
@@ -7,4 +11,8 @@ package com.example.nto.service;
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
 public interface EmployeeService {
+    Employee getById(Long id);
+    Employee getByName(String name);
+    Employee getByCode(String code);
+    List<Employee> getAll();
 }

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

@@ -0,0 +1,10 @@
+package com.example.nto.service;
+
+import com.example.nto.entity.Place;
+
+import java.util.List;
+
+public interface PlaceService {
+    Place getById(Long id);
+    List<Place> getAll();
+}

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

@@ -1,6 +1,18 @@
 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.repository.BookingRepository;
 import com.example.nto.service.BookingService;
+import io.micrometer.common.lang.Nullable;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDate;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.StreamSupport;
 
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
@@ -8,5 +20,29 @@ import com.example.nto.service.BookingService;
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@Service
 public class BookingServiceImpl implements BookingService {
+    @Autowired
+    private BookingRepository bookingRepository;
+
+    @Override
+    @Nullable
+    public Booking getById(Long id) {
+        return bookingRepository.findById(id).orElseGet(() -> null);
+    }
+
+    @Override
+    public List<Booking> getAll() {
+        return StreamSupport.stream(bookingRepository.findAll().spliterator(), false).collect(Collectors.toList());
+    }
+
+    @Override
+    public void save(LocalDate date, Place place, Employee employee) {
+        var booking = Booking.builder()
+                .date(date)
+                .place(place)
+                .employee(employee)
+                .build();
+        bookingRepository.save(booking);
+    }
 }

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

@@ -1,6 +1,16 @@
 package com.example.nto.service.impl;
 
+import com.example.nto.entity.Booking;
+import com.example.nto.entity.Employee;
+import com.example.nto.repository.EmployeeRepository;
 import com.example.nto.service.EmployeeService;
+import io.micrometer.common.lang.Nullable;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.StreamSupport;
 
 /**
  * TODO: ДОРАБОТАТЬ в рамках задания
@@ -8,5 +18,31 @@ import com.example.nto.service.EmployeeService;
  * МОЖНО: Добавлять методы, аннотации, зависимости
  * НЕЛЬЗЯ: Изменять название класса и пакета
  */
+@Service
 public class EmployeeServiceImpl implements EmployeeService {
+    @Autowired
+    private EmployeeRepository employeeRepository;
+
+    @Override
+    @Nullable
+    public Employee getById(Long id) {
+        return employeeRepository.findById(id).orElseGet(() -> null);
+    }
+
+    @Override
+    @Nullable
+    public Employee getByName(String name) {
+        return employeeRepository.findByName(name).orElseGet(() -> null);
+    }
+
+    @Override
+    @Nullable
+    public Employee getByCode(String code) {
+        return employeeRepository.findByCode(code).orElseGet(() -> null);
+    }
+
+    @Override
+    public List<Employee> getAll() {
+        return StreamSupport.stream(employeeRepository.findAll().spliterator(), false).collect(Collectors.toList());
+    }
 }

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

@@ -0,0 +1,29 @@
+package com.example.nto.service.impl;
+
+import com.example.nto.entity.Place;
+import com.example.nto.repository.PlaceRepository;
+import com.example.nto.service.PlaceService;
+import io.micrometer.common.lang.Nullable;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.StreamSupport;
+
+@Service
+public class PlaceServiceImpl implements PlaceService {
+    @Autowired
+    private PlaceRepository placeRepository;
+
+    @Override
+    @Nullable
+    public Place getById(Long id) {
+        return placeRepository.findById(id).orElseGet(() -> null);
+    }
+
+    @Override
+    public List<Place> getAll() {
+        return StreamSupport.stream(placeRepository.findAll().spliterator(), false).collect(Collectors.toList());
+    }
+}