FareTable y RoomFares

- Implementación modelo tarifarios y tarifas. - Implementación inicial servicio precios.
2024-05-01 18:07:49 +02:00
parent 7ec989a76a
commit 9c8759e24d
7 changed files with 336 additions and 37 deletions
@@ -20,11 +20,12 @@ class FareTableCrudController extends AbstractCrudController
    {
        //$catRepo = $this->entityManager->getRepository(SomeEntity::class);

+        yield TextField::new('comment')->setLabel('Name');
+        
        yield AssociationField::new('roomCategory');

        yield DateField::new('startDate');
        yield DateField::new('endDate');

-        yield TextField::new('comment');
    }
 }
@@ -9,6 +9,7 @@ use EasyCorp\Bundle\EasyAdminBundle\Controller\AbstractCrudController;
 use EasyCorp\Bundle\EasyAdminBundle\Field\AssociationField;
 use EasyCorp\Bundle\EasyAdminBundle\Field\MoneyField;
 use EasyCorp\Bundle\EasyAdminBundle\Field\NumberField;
+use EasyCorp\Bundle\EasyAdminBundle\Field\TextField;

 class RoomFareCrudController extends AbstractCrudController
 {
@@ -28,6 +29,8 @@ class RoomFareCrudController extends AbstractCrudController
        yield NumberField::new ('guestNumber');
        yield MoneyField::new ('fareAmount')->setCurrency('EUR');

+        yield TextField::new('dayType')->setMaxLength(2);
+        

    }
 }
@@ -0,0 +1,90 @@
+<?php
+
+namespace App\Controller;
+
+use App\Repository\FareTableRepository;
+use App\Repository\RoomAvailabilityRepository;
+use App\Repository\RoomCategoryRepository;
+use App\Service\PricesService;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+
+class SearchRoomsController extends AbstractController
+{
+    #[Route('/search/availability', name: 'app_search_availability')]
+    public function getAvailabilityForPeriod(Request $request, RoomAvailabilityRepository $repoAvailability): Response
+    {
+        $payload = $request->toArray();
+        if (\is_null($payload)) {
+            throw new \Exception('Invalid Payload', 400);
+        }
+        $filter = $payload["filter"];
+
+        $startDate = new \DateTime($filter["startDate"]);
+        $endDate = new \DateTime($filter["endDate"]);
+
+        $rs = $repoAvailability->getAvailabilityForPeriod($startDate, $endDate);
+
+        return $this->json($rs);
+    }
+
+    #[Route('/search/availabilityDetails', name: 'app_search_availabilityDetails')]
+    public function getAvailabilityForPeriodDetails(Request $request, RoomAvailabilityRepository $repoAvailability): Response
+    {
+        $payload = $request->toArray();
+        if (\is_null($payload)) {
+            throw new \Exception('Invalid Payload', 400);
+        }
+        $filter = $payload["filter"];
+
+        $startDate = new \DateTime($filter["startDate"]);
+        $endDate = new \DateTime($filter["endDate"]);
+
+        $rs = $repoAvailability->getAvailabilityForPeriodDetails($startDate, $endDate);
+
+        return $this->json($rs);
+    }
+
+    #[Route('/search/fares', name: 'app_search_faresForCategory')]
+    public function getFaresForCategoryOnPeriod(Request $request, RoomCategoryRepository $repoCat): Response
+    {
+        $payload = $request->toArray();
+        if (\is_null($payload)) {
+            throw new \Exception('Invalid Payload', 400);
+        }
+        $filter = $payload["filter"];
+
+        $catId = $filter["roomCategory"];
+        if ($repoCat->find($catId) === null) {
+            throw new \Exception('Invalid Category', 400);
+        }
+
+        $startDate = new \DateTime($filter["startDate"]);
+        $endDate = new \DateTime($filter["endDate"]);
+
+        $daysDiff = $startDate->diff($endDate)->days;
+        if (!$daysDiff || $startDate > $endDate) {
+            throw new \Exception('Invalid time interval', 400);
+        }
+
+        return $this->json(["prices" => $dailyPrices]);
+    }
+
+    #[Route('/search/debug', name: 'app_search_faresDebug')]
+    public function faresDebug(Request $request, PricesService $priceService, FareTableRepository $repoFareTable, RoomCategoryRepository $repoCat): Response
+    {
+        $fareTable[] = $repoFareTable->find(1);
+        $fareTable[] = $repoFareTable->find(2);
+        $cat = $repoCat->find(4);
+
+        //$rs = $repoFareTable->getAllowedGuestNumberOnFareTableList($fareTable);
+        $startDate = new \DateTime("2024-04-20");
+        $endDate = new \DateTime("2024-04-21");
+
+        $rs = $priceService->getCategoryPricesForSearch($cat, $startDate, $endDate);
+
+        return $this->json($rs);
+    }
+}
@@ -23,10 +23,10 @@ class FareTable
    #[ORM\Column(type: Types::DATETIME_MUTABLE)]
    private ?\DateTimeInterface $startDate = null;

-    #[ORM\Column(type: Types::DATETIME_MUTABLE, nullable: true)]
+    #[ORM\Column(type : Types::DATETIME_MUTABLE, nullable: true)]
    private ?\DateTimeInterface $endDate = null;

-    #[ORM\Column(length: 255, nullable: true)]
+    #[ORM\Column(length : 255, nullable: true)]
    private ?string $comment = null;

    /**
@@ -123,10 +123,57 @@ class FareTable
        return $this;
    }

-    public function __toString() : string {
-        if(!\is_null($this->comment)) {
+    public function __toString(): string
+    {
+        if (!\is_null($this->comment)) {
            return $this->comment;
        }
        return $this->id;
    }
+
+    /**
+     * Get max guest number for current roomFares.
+     */
+    public function getMaxGuestNumber(): int
+    {
+        $maxGuests = $this->getRoomFares()->reduce(function (int $acc, RoomFare $value): int {
+            return \max($acc, $value->getGuestNumber());
+        }, -1);
+
+        return $maxGuests;
+    }
+
+    /**
+     * Get min guest number for current roomFares.
+     */
+    public function getMinGuestNumber(): int
+    {
+        $firstGuestNum = $this->getRoomFares()->first()->getGuestNumber() ?? 999;
+
+        $maxGuests = $this->getRoomFares()->reduce(function (int $acc, RoomFare $value): int {
+            return \min($acc, $value->getGuestNumber());
+        }, $firstGuestNum);
+
+        return $maxGuests;
+    }
+
+    /**
+     * Obtiene las tarifas que aplican al GuestNumber indicado.
+     * @param int $guestNumber GuestNumber para búsqueda.
+     * @return RoomFare[] Lista de tarifas.
+     */
+    public function getRoomFaresByGuestNumber(int $guestNumber)
+    {
+        $roomFareList = $this->getRoomFares()->filter(function (RoomFare $element) use ($guestNumber) {
+            return $element->getGuestNumber() == $guestNumber;
+        });
+
+        return $roomFareList;
+    }
+
+    public function isActiveOnDate(\DateTimeInterface $date): bool
+    {
+        $active = ($this->startDate <= $date && $this->endDate > $date);
+        return $active;
+    }
 }
@@ -21,28 +21,62 @@ class FareTableRepository extends ServiceEntityRepository
        parent::__construct($registry, FareTable::class);
    }

-//    /**
-//     * @return FareTable[] Returns an array of FareTable objects
-//     */
-//    public function findByExampleField($value): array
-//    {
-//        return $this->createQueryBuilder('f')
-//            ->andWhere('f.exampleField = :val')
-//            ->setParameter('val', $value)
-//            ->orderBy('f.id', 'ASC')
-//            ->setMaxResults(10)
-//            ->getQuery()
-//            ->getResult()
-//        ;
-//    }
+    /**
+     * Gets all fareTables for time period.
+     * @param integer|string ID Categoria.
+     * @param DateTimeInterface Period start date
+     * @param DateTimeInterface Period end date
+     * @return array Array with all faretables active in given period.
+     */
+    public function findFareTable(int $roomCategory, \DateTimeInterface $startDate, \DateTimeInterface $endDate): array
+    {
+        $strStartDate = $startDate->format('Y-m-d');
+        $strEndDate = $endDate->format('Y-m-d');

-//    public function findOneBySomeField($value): ?FareTable
-//    {
-//        return $this->createQueryBuilder('f')
-//            ->andWhere('f.exampleField = :val')
-//            ->setParameter('val', $value)
-//            ->getQuery()
-//            ->getOneOrNullResult()
-//        ;
-//    }
+        return $this->createQueryBuilder('f')
+            ->andWhere('f.roomCategory = :category')
+            ->andWhere('f.startDate < :endDate')
+            ->andWhere('f.endDate >= :startDate')
+            ->setParameter('category', $roomCategory)
+            ->setParameter('startDate', $strStartDate)
+            ->setParameter('endDate', $strEndDate)
+            ->getQuery()
+            ->getResult();
+    }
+
+    /**
+     * Obtiene una lista con los números de huéspedes permitidos por todos los tarifarios pasados.
+     * @param FareTable[] $fareTableList Lista con los FareTable a consultar.
+     * @return int[] Lista con los números de huéspedes permitidos.
+     */
+    public function getAllowedGuestNumberOnFareTableList(array $fareTableList): array
+    {
+        $fareTableCount = count($fareTableList);
+
+        $fareTableIdList = \array_map(function (FareTable $element) {
+            return $element->getId();
+        }, $fareTableList);
+        $strIdList = \implode(",", $fareTableIdList);
+
+        //Subquery -> Obtiene los números de huéspedes de las tarifas de un tarifario.
+        //Query -> Cuenta en cuantos tarifarios aparece cada número de huéspedes y queda con aquellos que aparecen en todos (having).
+        $sql = "SELECT guest_number
+                    FROM (SELECT DISTINCT fare_table_id, guest_number FROM room_fare WHERE fare_table_id IN ($strIdList))
+                GROUP BY guest_number
+                HAVING COUNT(fare_table_id) = $fareTableCount";
+
+        $conn = $this->getEntityManager()->getConnection();
+        $rs = $conn->executeQuery($sql);
+
+        $allowedGuestNumbers = [];
+        while (true) {
+            $value = $rs->fetchOne();
+            if (!$value) {
+                break;
+            }
+            $allowedGuestNumbers[] = $value;
+        }
+
+        return $allowedGuestNumbers;
+    }
 }
@@ -34,13 +34,41 @@ class RoomAvailabilityRepository extends ServiceEntityRepository
            ->getResult();
    }

-    //    public function findOneBySomeField($value): ?RoomAvailability
-    //    {
-    //        return $this->createQueryBuilder('r')
-    //            ->andWhere('r.exampleField = :val')
-    //            ->setParameter('val', $value)
-    //            ->getQuery()
-    //            ->getOneOrNullResult()
-    //        ;
-    //    }
+
+    /**
+     * @param \DateTimeInterface Period start (included in range).
+     * @param \DateTimeInterface Period end (not included in range).
+     * @return RoomAvailability[] Returns an array of RoomAvailability objects
+     */
+    public function getAvailabilityForPeriod(\DateTimeInterface $startDate, \DateTimeInterface $endDate): array
+    {
+        $strStartDate = $startDate->format('Y-m-d');
+        $strEndDate = $endDate->format('Y-m-d');
+
+        return $this->createQueryBuilder('ra')
+            ->select('IDENTITY(ra.roomCategory) as roomCategory, MIN(ra.numAvailable) as availability')
+            ->andWhere('ra.day >= :startDate')
+            ->andWhere('ra.day < :endDate')
+            ->groupBy('ra.roomCategory')
+            ->setParameter('startDate', $strStartDate)
+            ->setParameter('endDate', $strEndDate)
+            ->getQuery()
+            ->getArrayResult()
+        ;
+    }
+
+    public function getAvailabilityForPeriodDetails(\DateTimeInterface $startDate, \DateTimeInterface $endDate): array
+    {
+        $strStartDate = $startDate->format('Y-m-d');
+        $strEndDate = $endDate->format('Y-m-d');
+
+        return $this->createQueryBuilder('ra')
+            ->andWhere('ra.day >= :startDate')
+            ->andWhere('ra.day < :endDate')
+            ->setParameter('startDate', $strStartDate)
+            ->setParameter('endDate', $strEndDate)
+            ->getQuery()
+            ->getArrayResult()
+        ;
+    }
 }
@@ -0,0 +1,96 @@
+<?php
+
+namespace App\Service;
+
+use App\Entity\FareTable;
+use App\Entity\RoomCategory;
+use App\Repository\FareTableRepository;
+use App\Repository\RoomFareRepository;
+
+/**
+ * Servicio para calcular los precios de las estancias.
+ * En un futuro este servicio deberá admitir múltiples estrategias de cálculo de precios finales.
+ */
+class PricesService
+{
+
+    public function __construct(
+        private FareTableRepository $repoFareTable,
+        private RoomFareRepository $repoRoomFares
+    ) {
+    }
+
+    /**
+     * Calcula los precios de la estancia para la categoría y periodo indicados.
+     * Devolverá para cada numero de personas, el precio final de la estancia.
+     *
+     * e. g. --> [ 2 => 120€, 3 => 180€ ]
+     *
+     * @return array Contiene los precios en función del número de personas.
+     */
+    public function getCategoryPricesForSearch(RoomCategory $category, \DateTimeInterface $startDate, \DateTimeInterface $endDate): array
+    {
+        $daysDiff = $startDate->diff($endDate)->days;
+        if (!$daysDiff) {
+            return "Invalid date period :( ";
+        }
+
+        $fareTablesForPeriod = $this->repoFareTable->findFareTable($category->getId(), $startDate, $endDate);
+
+        //Obtenemos el número de personas permitido por todos los tarifarios activos.
+        $allowedGuestNumbers = $this->repoFareTable->getAllowedGuestNumberOnFareTableList($fareTablesForPeriod);
+
+        $rs = [];
+
+        //Calculamos los precios para cada GuestNumber permitido.
+        foreach ($allowedGuestNumbers as $currentGuestNumber) {
+
+            //Calculamos el precio de cada día.
+            // e.g. --> [ "2024-04-30" => 20, "2024-05-01" => 28, "2024-05-02" => 20, ...].
+            $dailyPrices = [];
+            $currentDate = $startDate; //TODOME: Comprobar si es tipo referencia y está cambiando.
+            for ($i = 0; $i < $daysDiff; $i++) {
+                $strCurrentDate = $currentDate->format("Y-m-d");
+
+                //Obtenemos el tarifario que aplica --> TODOME: Buscar si se puede cachear esto, para no recarlcularlo para cada GuestNumber.
+                $currentFareTableList = \array_filter($fareTablesForPeriod, function (FareTable $element) use ($currentDate) {
+                    return $element->isActiveOnDate($currentDate);
+                });
+
+                if (count($currentFareTableList) != 1) {
+                    //ERROR
+                    $dailyPrices[$strCurrentDate] = "ERROR - Number of FareTable found: " . count($currentFareTableList);
+                    continue;
+                }
+
+                $currentFareTable = $currentFareTableList[0];
+
+                //TODOME: -> Obtener precio específico (RoomPrices).
+
+                //Si no hay precio, calcular mediante tarifarios.
+                $roomFares = $currentFareTable->getRoomFaresByGuestNumber($currentGuestNumber);
+                if (count($roomFares) < 1) {
+                    //ERROR
+                    $dailyPrices[$strCurrentDate] = "ERROR - Invalid RoomFares found";
+                    continue;
+                }
+
+                //TODOME: -> Handle conditions...
+                $fareAmount = $roomFares->first()->getFareAmount();
+                $dailyPrices[$strCurrentDate] = $fareAmount;
+
+                //Add 1 day to current date.
+                $currentDate->add(new \DateInterval("P1D"));
+            }
+
+            $rs[$currentGuestNumber] = $dailyPrices;
+        }
+
+        //Aplicamos la estrategia de precios configurada para calcular el precio final de la estancia.
+        // TODOME: ...
+
+        return $rs;
+
+    }
+
+}