From 2d6978fdb5b213e3ccd46f7d00a9dee619e5f671 Mon Sep 17 00:00:00 2001
From: Emmanuelle Collet <emmanuelle.collet@knplabs.com>
Date: Fri, 2 Jul 2021 11:00:35 +0200
Subject: [PATCH] Add history total pages (#28)

---
 docker/nginx/nginx.conf.tmpl                 |  1 +
 src/Symfony/EndPoint/History.php             |  5 ++++-
 src/Symfony/Repository/HistoryRepository.php | 14 +++++++++++++-
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/docker/nginx/nginx.conf.tmpl b/docker/nginx/nginx.conf.tmpl
index c0d0c35..8963a12 100644
--- a/docker/nginx/nginx.conf.tmpl
+++ b/docker/nginx/nginx.conf.tmpl
@@ -20,6 +20,7 @@ server {
 
     # allow cross origin requests
     add_header Access-Control-Allow-Origin "*";
+    add_header Access-Control-Expose-Headers "Total-Pages" always;
 
     if ($request_method = "OPTIONS") {
         add_header Access-Control-Allow-Origin "*";
diff --git a/src/Symfony/EndPoint/History.php b/src/Symfony/EndPoint/History.php
index af29f49..baa97fd 100644
--- a/src/Symfony/EndPoint/History.php
+++ b/src/Symfony/EndPoint/History.php
@@ -25,7 +25,10 @@ public function list(Request $request, HistoryRepository $repository): JsonRespo
             $definitions[] = new HistoryDefinition($history);
         }
 
-        return new JsonResponse($definitions);
+        $totalHistories = $repository->countAllForUser($this->getUser());
+        $totalPages     = ceil($totalHistories / HistoryRepository::LIMIT);
+
+        return new JsonResponse($definitions, Response::HTTP_OK, ['Total-Pages' => $totalPages]);
     }
 
     public function create(Request $request, HistoryRepository $repository): JsonResponse
diff --git a/src/Symfony/Repository/HistoryRepository.php b/src/Symfony/Repository/HistoryRepository.php
index 2b99a38..ac66348 100644
--- a/src/Symfony/Repository/HistoryRepository.php
+++ b/src/Symfony/Repository/HistoryRepository.php
@@ -9,7 +9,7 @@
 
 class HistoryRepository extends ServiceEntityRepository
 {
-    private const LIMIT = 10;
+    public const LIMIT = 10;
 
     public function __construct(ManagerRegistry $registry)
     {
@@ -30,6 +30,18 @@ public function findAllForUser(User $user, int $page = 1): array
         ;
     }
 
+    public function countAllForUser(User $user): int
+    {
+        return $this
+            ->createQueryBuilder('history')
+            ->select('COUNT(history.id)')
+            ->andWhere('history.user = :user')
+            ->setParameter('user', $user)
+            ->getQuery()
+            ->getSingleScalarResult()
+        ;
+    }
+
     public function save(History $history): void
     {
         $this->_em->persist($history);