From 4cd71ec9ad57a4722014bad5df4b1d83a2f5cb7b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A0=D0=B8=D1=84=D0=B0=D1=82=20=D0=97=D0=B0=D0=BA=D0=B8?=
 =?UTF-8?q?=D1=80=D0=BE=D0=B2?= <student-30864@info@innovationcampus.ru>
Date: Mon, 8 Dec 2025 12:05:39 +0000
Subject: [PATCH] Update
 src/main/java/com/example/nto/service/impl/BookingServiceImpl.java

---
 .../nto/service/impl/BookingServiceImpl.java  | 85 +++++++++++++++++--
 1 file changed, 79 insertions(+), 6 deletions(-)

diff --git a/src/main/java/com/example/nto/service/impl/BookingServiceImpl.java b/src/main/java/com/example/nto/service/impl/BookingServiceImpl.java
index d24b244..33c2eee 100644
--- a/src/main/java/com/example/nto/service/impl/BookingServiceImpl.java
+++ b/src/main/java/com/example/nto/service/impl/BookingServiceImpl.java
@@ -1,12 +1,85 @@
 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.repository.PlaceRepository;
 import com.example.nto.service.BookingService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
 
-/**
- * TODO: ДОРАБОТАТЬ в рамках задания
- * =================================
- * МОЖНО: Добавлять методы, аннотации, зависимости
- * НЕЛЬЗЯ: Изменять название класса и пакета
- */
+import java.time.LocalDate;
+import java.util.*;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
 public class BookingServiceImpl implements BookingService {
+
+    private final BookingRepository bookingRepository;
+    private final PlaceRepository placeRepository;
+
+    @Value("${booking.days-ahead}")
+    private int daysAhead;
+
+    @Override
+    public Map<LocalDate, Booking> getBookingsByEmployee(Employee employee) {
+        List<Booking> bookings = bookingRepository.findAllByEmployee(employee);
+
+        return bookings.stream()
+                .collect(Collectors.toMap(
+                        Booking::getDate,
+                        b -> b,
+                        (b1, b2) -> b1,
+                        TreeMap::new
+                ));
+    }
+
+    @Override
+    public Map<LocalDate, List<Place>> getAvailablePlaces() {
+        LocalDate start = LocalDate.now();
+        List<Place> allPlaces = placeRepository.findAll();
+        Map<LocalDate, List<Place>> result = new LinkedHashMap<>();
+
+        for (int i = 0; i <= daysAhead; i++) {
+            LocalDate date = start.plusDays(i);
+
+            List<Booking> bookingsForDate = bookingRepository.findAllByDate(date);
+            Set<Long> busyPlaceIds = bookingsForDate.stream()
+                    .map(b -> b.getPlace().getId())
+                    .collect(Collectors.toSet());
+
+            List<Place> available = allPlaces.stream()
+                    .filter(p -> !busyPlaceIds.contains(p.getId()))
+                    .collect(Collectors.toList());
+
+            result.put(date, available);
+        }
+
+        return result;
+    }
+
+    @Override
+    public boolean existsBookingForEmployeeOnDate(Employee employee, LocalDate date) {
+        return bookingRepository.findAllByDate(date).stream()
+                .anyMatch(b -> b.getEmployee() != null && b.getEmployee().getId() == employee.getId());
+    }
+
+    @Override
+    public boolean isPlaceBookedOnDate(Place place, LocalDate date) {
+        return bookingRepository.existsByDateAndPlace(date, place);
+    }
+
+    @Override
+    public Booking createBooking(Employee employee, LocalDate date, Place place) {
+        Booking booking = Booking.builder()
+                .date(date)
+                .employee(employee)
+                .place(place)
+                .build();
+
+        return bookingRepository.save(booking);
+    }
 }