From c18a8616e5b3fce11cd11d81ad872cd27255d2c8 Mon Sep 17 00:00:00 2001
From: Hamid Reza Mohammadi <mohammadi.hr@gmail.com>
Date: Fri, 7 May 2021 12:52:10 +0430
Subject: [PATCH] caching poet by id

---
 RMuseum/Controllers/GanjoorController.cs | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/RMuseum/Controllers/GanjoorController.cs b/RMuseum/Controllers/GanjoorController.cs
index 637de613..5b67999a 100644
--- a/RMuseum/Controllers/GanjoorController.cs
+++ b/RMuseum/Controllers/GanjoorController.cs
@@ -68,13 +68,19 @@ namespace RMuseum.Controllers
         [ProducesResponseType((int)HttpStatusCode.NotFound)]
         public async Task<IActionResult> GetPoetById(int id)
         {
-            RServiceResult<GanjoorPoetCompleteViewModel> res =
+            var cacheKey = $"poet/byid/{id}";
+            if (!_memoryCache.TryGetValue(cacheKey, out GanjoorPoetCompleteViewModel poet))
+            {
+                RServiceResult<GanjoorPoetCompleteViewModel> res =
                 await _ganjoorService.GetPoetById(id);
-            if (!string.IsNullOrEmpty(res.ExceptionString))
-                return BadRequest(res.ExceptionString);
-            if (res.Result == null)
-                return NotFound();
-            return Ok(res.Result);
+                if (!string.IsNullOrEmpty(res.ExceptionString))
+                    return BadRequest(res.ExceptionString);
+                if (res.Result == null)
+                    return NotFound();
+                poet = res.Result;
+                _memoryCache.Set(cacheKey, poet);
+            }
+            return Ok(poet);
         }
 
         /// <summary>