Initial commit

src/main/java/ru/kayashov/bar/service/OrderService.java

@@ -0,0 +1,104 @@
+package ru.kayashov.bar.service;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import ru.kayashov.bar.bot.domain.methods.AbstractSendMessage;
+import ru.kayashov.bar.model.entity.BarEntity;
+import ru.kayashov.bar.model.entity.BarResident;
+import ru.kayashov.bar.model.entity.CocktailEntity;
+import ru.kayashov.bar.model.entity.Pay;
+import ru.kayashov.bar.model.entity.SessionEntity;
+import ru.kayashov.bar.model.entity.Visitor;
+import ru.kayashov.bar.repository.CocktailRepository;
+import ru.kayashov.bar.repository.OrdersRepository;
+import ru.kayashov.bar.repository.VisitorsRepository;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+import static ru.kayashov.bar.model.entity.OrderStatus.CANCEL;
+import static ru.kayashov.bar.model.entity.OrderStatus.DONE;
+import static ru.kayashov.bar.model.entity.OrderStatus.NEW;
+import static ru.kayashov.bar.model.entity.UserRole.ADMIN;
+import static ru.kayashov.bar.model.entity.UserRole.BARMEN;
+
+@Service
+@RequiredArgsConstructor
+public class OrderService {
+
+    private final VisitorService visitorService;
+    private final CocktailRepository cocktailRepository;
+    private final OrdersRepository ordersRepository;
+
+    /**
+     * Новый заказ
+     */
+    public List<AbstractSendMessage> createOrder(Long visitorId, Long cocktailId) {
+        Visitor visitor = visitorService.findById(visitorId);
+        BarEntity bar = visitor.getResidents().stream()
+                .filter(BarResident::getActive)
+                .map(BarResident::getBar)
+                .toList()
+                .get(0);
+        SessionEntity session = bar.getSessions().stream()
+                .filter(SessionEntity::getIsActive)
+                .toList()
+                .get(0);
+
+        CocktailEntity cocktail = cocktailRepository.findById(cocktailId).orElseThrow();
+
+        Pay pay = new Pay();
+        pay.setStatus(NEW);
+        pay.setVisitor(visitor);
+        pay.setCocktail(cocktail);
+        pay.setSession(session);
+        pay.setCreatedAt(LocalDateTime.now());
+        ordersRepository.save(pay);
+
+        return bar.getVisitors().stream()
+                .filter(BarResident::getActive)
+                .filter(BarResident::getInvited)
+                .filter(b -> b.getRole() == ADMIN || b.getRole() == BARMEN)
+                .map(BarResident::getVisitor)
+                .map(admin -> createOrderMessage(admin, visitor, cocktail))
+                .toList();
+    }
+
+    private AbstractSendMessage createOrderMessage(Visitor admin, Visitor client, CocktailEntity cocktail) {
+        return AbstractSendMessage.builder()
+                .chatId(admin.getId())
+                .message(client.getName() + " " + client.getLastName() + " заказал(а) коктейль " + cocktail.getName())
+                .build();
+    }
+
+    /**
+     * Обновить статус заказа
+     */
+    public AbstractSendMessage updateOrder(boolean check, long l) {
+        Pay pay = ordersRepository.findById(l).orElseThrow();
+        pay.setStatus(check ? DONE : CANCEL);
+        pay.setClosedAt(LocalDateTime.now());
+        ordersRepository.save(pay);
+
+        return AbstractSendMessage.builder()
+                .chatId(pay.getVisitor().getId())
+                .message("Коктейль " + pay.getCocktail().getName() + (check ? " готов" : " отменен"))
+                .build();
+    }
+
+    /**
+     * Получить заказ из очереди
+     */
+    public List<Pay> getOrders() {
+        Visitor visitor = visitorService.getCurrentVisitor();
+        return visitor.getResidents().stream()
+                .filter(BarResident::getActive)
+                .map(BarResident::getBar)
+                .map(BarEntity::getSessions)
+                .flatMap(List::stream)
+                .filter(SessionEntity::getIsActive)
+                .map(SessionEntity::getOrders)
+                .flatMap(List::stream)
+                .toList();
+    }
+}