TASK-40: Add ability to lock-up clients

features/accept-order.feature

@@ -3,8 +3,9 @@ Feature:
 
   Background:
     Given there exist following clients:
-      | clientId                             | name   | initialBalance | currentBalance |
-      | 018edd2e-894a-78d7-b10c-16e05ca933a3 | Kacper | 10000          | 200000         |
+      | clientId                             | name   | initialBalance | currentBalance | locked |
+      | 018edd2e-894a-78d7-b10c-16e05ca933a3 | Kacper | 10000          | 200000         | no     |
+      | 018ede1e-a587-76a8-88f3-23987a8dade9 | Jacek  | 10000          | 60000000       | yes    |
 
   Scenario: Frontend is able to send new orders
     Given the request has the following body:
@@ -52,3 +53,21 @@ Feature:
       """
     When I send a POST request to "/orders"
     Then the response status should be 422
+
+  Scenario: Locked clients should not be allowed
+    Given the request has the following body:
+      """
+      {
+        "orderId": "018eddae-ff52-7813-9f88-ada9e61a76f3",
+        "clientId": "018ede1e-a587-76a8-88f3-23987a8dade9",
+        "products": [
+          { "productId": "p1", "quantity": 2, "price": 20.0, "weight": 100 },
+          { "productId": "p2", "quantity": 1, "price": 100.0, "weight": 200 },
+          { "productId": "p3", "quantity": 5, "price": 200.0, "weight": 100 },
+          { "productId": "p4", "quantity": 1, "price": 50.0, "weight": 400 },
+          { "productId": "p5", "quantity": 10, "price": 10.0, "weight": 100 }
+        ]
+      }
+      """
+    When I send a POST request to "/orders"
+    Then the response status should be 403

features/crm-user-sync.feature

@@ -3,8 +3,9 @@ Feature:
 
   Background:
     Given there exist following clients:
-      | clientId                             | name   | initialBalance | currentBalance |
-      | 018edd2e-894a-78d7-b10c-16e05ca933a3 | Kacper | 10000          | 5000           |
+      | clientId                             | name   | initialBalance | currentBalance | locked |
+      | 018edd2e-894a-78d7-b10c-16e05ca933a3 | Kacper | 10000          | 5000           | no     |
+      | 018ede1e-a587-76a8-88f3-23987a8dade9 | Jacek  | 10000          | 60000000       | yes    |
 
   Scenario: CRM is able to create new clients
     Given the request has the following body:
@@ -43,3 +44,25 @@ Feature:
     When I send a POST request to "/clients"
     Then the response status should be 409
     And client with id "018edd2e-894a-78d7-b10c-16e05ca933a3" should exist
+
+  Scenario: CRM is able to lock existing client
+    Given the request has the following body:
+      """
+      {
+        "lock": true
+      }
+      """
+    When I send a POST request to "/clients/018edd2e-894a-78d7-b10c-16e05ca933a3/_lock"
+    Then the response status should be 200
+    And client with id "018edd2e-894a-78d7-b10c-16e05ca933a3" should be locked
+
+  Scenario: CRM is able to unlock existing client
+    Given the request has the following body:
+      """
+      {
+        "lock": false
+      }
+      """
+    When I send a POST request to "/clients/018ede1e-a587-76a8-88f3-23987a8dade9/_lock"
+    Then the response status should be 200
+    And client with id "018ede1e-a587-76a8-88f3-23987a8dade9" should not be locked

src/Contract/LockClientRequestDto.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Contract;
+
+readonly class LockClientRequestDto
+{
+    public function __construct(public bool $lock) {}
+}

src/Controller/ClientController.php

@@ -3,6 +3,7 @@
 namespace App\Controller;
 
 use App\Contract\ClientDto;
+use App\Contract\LockClientRequestDto;
 use App\Contract\TopUpRequestDto;
 use App\Entity\Client;
 use App\Exception\ClientAlreadyExistsException;
@@ -49,4 +50,18 @@ readonly class ClientController
 
         return new Response();
     }
+
+    #[Route(path: '/{client}/_lock', name: 'lock', methods: ['POST'])]
+    public function lock(
+        #[MapRequestPayload] LockClientRequestDto $lockClientRequestDto,
+        Client $client,
+    ): Response {
+        if ($lockClientRequestDto->lock) {
+            $this->clientService->lock($client);
+        } else {
+            $this->clientService->unlock($client);
+        }
+
+        return new Response();
+    }
 }

src/Controller/OrderController.php

@@ -6,6 +6,7 @@ namespace App\Controller;
 
 use App\Aggregate\AcceptOrderCommand;
 use App\Contract\Order;
+use App\Exception\ClientLockedException;
 use App\Exception\ClientNotExistsException;
 use App\Service\ClientService;
 use App\Service\OrderService;
@@ -39,6 +40,8 @@ readonly class OrderController
             return new Response();
         } catch (ClientNotExistsException) {
             return new Response(status: Response::HTTP_UNPROCESSABLE_ENTITY);
+        } catch (ClientLockedException) {
+            return new Response(status: Response::HTTP_FORBIDDEN);
         }
     }
 

src/Entity/Client.php

@@ -23,6 +23,9 @@ class Client
 
         #[ORM\Column]
         private ?int $currentBalance = null,
+
+        #[ORM\Column(nullable: true)]
+        private ?\DateTimeImmutable $lockedAt = null,
     ) {
         $this->currentBalance ??= $this->initialBalance;
     }
@@ -66,4 +69,19 @@ class Client
     {
         $this->currentBalance += $amount;
     }
+
+    public function setLockedAt(?\DateTimeImmutable $dateTime)
+    {
+        $this->lockedAt = $dateTime;
+    }
+
+    public function getLockedAt(): ?\DateTimeImmutable
+    {
+        return $this->lockedAt;
+    }
+
+    public function isLocked(): bool
+    {
+        return $this->lockedAt !== null;
+    }
 }

src/Exception/ClientLockedException.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace App\Exception;
+
+class ClientLockedException extends \LogicException
+{
+}

src/Service/ClientService.php

@@ -6,12 +6,14 @@ use App\Entity\Client;
 use App\Exception\ClientAlreadyExistsException;
 use App\Exception\ClientNotExistsException;
 use App\Repository\ClientRepository;
+use Psr\Clock\ClockInterface;
 use Symfony\Component\Uid\Uuid;
 
 class ClientService
 {
     public function __construct(
-        public readonly ClientRepository $clientRepository
+        public readonly ClientRepository $clientRepository,
+        public readonly ClockInterface $clock,
     ) {
     }
 
@@ -44,17 +46,31 @@ class ClientService
         return $this->clientRepository->save($client);
     }
 
-    public function deduceFromBalance(Client $client, int $amount)
+    public function deduceFromBalance(Client $client, int $amount): void
     {
         $client->deduceFromBalance($amount);
 
         $this->clientRepository->save($client);
     }
 
-    public function topUpBalance(Client $client, int $amount)
+    public function topUpBalance(Client $client, int $amount): void
     {
         $client->topUpBalance($amount);
 
         $this->clientRepository->save($client);
     }
+
+    public function lock(Client $client): void
+    {
+        $client->setLockedAt($this->clock->now());
+
+        $this->clientRepository->save($client);
+    }
+
+    public function unlock(Client $client): void
+    {
+        $client->setLockedAt(null);
+
+        $this->clientRepository->save($client);
+    }
 }

src/Service/OrderService.php

@@ -3,6 +3,7 @@
 namespace App\Service;
 
 use App\Aggregate\AcceptOrderCommand;
+use App\Exception\ClientLockedException;
 use Symfony\Component\Serializer\SerializerInterface;
 use Symfony\Contracts\HttpClient\HttpClientInterface;
 
@@ -16,8 +17,15 @@ readonly class OrderService
     ) {
     }
 
+    /**
+     * @throws \App\Exception\ClientLockedException
+     */
     public function acceptOrder(AcceptOrderCommand $command)
     {
+        if ($command->client->isLocked()) {
+            throw new ClientLockedException(sprintf("Client '%s' is locked.", $command->client->getName()));
+        }
+
         $this->crmClient->request('POST', '/order', [
             'body' => $this->serializer->serialize($command->order, format: 'json')
         ]);

tests/Behat/ClientsContext.php

@@ -47,6 +47,7 @@ class ClientsContext implements Context
                     name: $row['name'],
                     initialBalance: intval($row['initialBalance']),
                     currentBalance: intval($row['currentBalance']),
+                    lockedAt: $row['locked'] === 'yes' ? new \DateTimeImmutable() : null,
                 );
 
                 $this->clientRepository->save($client);
@@ -69,6 +70,22 @@ class ClientsContext implements Context
         Assert::assertNotNull($this->getClient($clientId));
     }
 
+    /**
+     * @Given /^client with id "([^"]+)" should be locked$/
+     */
+    public function clientWithIdIsLocked(string $clientId)
+    {
+        Assert::assertTrue($this->getClient($clientId)->isLocked());
+    }
+
+    /**
+     * @Given /^client with id "([^"]+)" should not be locked$/
+     */
+    public function clientWithIdIsNotLocked(string $clientId)
+    {
+        Assert::assertFalse($this->getClient($clientId)->isLocked());
+    }
+
     /**
      * @Given /^client with id "([^"]+)" should have balance of (\d+)$/
      */
@@ -76,7 +93,7 @@ class ClientsContext implements Context
     {
         $client = $this->getClient($clientId);
 
-        Assert::assertEquals($client->getBalance(), $balance);
+        Assert::assertEquals($balance, $client->getBalance());
     }
 
 }