From c31e8777b7a84bce76117460668f8fe7c2249be0 Mon Sep 17 00:00:00 2001
From: Lauris BH <lauris@nix.lv>
Date: Tue, 21 Nov 2017 05:46:44 +0200
Subject: [PATCH] Fix memcache support when value is returned as string always
 (#2924) (#2950)

---
 modules/cache/cache.go | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/modules/cache/cache.go b/modules/cache/cache.go
index 0a73ae8ae..a2d6c724c 100644
--- a/modules/cache/cache.go
+++ b/modules/cache/cache.go
@@ -5,6 +5,9 @@
 package cache
 
 import (
+	"fmt"
+	"strconv"
+
 	"code.gitea.io/gitea/modules/setting"
 
 	mc "github.com/go-macaron/cache"
@@ -42,7 +45,18 @@ func GetInt(key string, getFunc func() (int, error)) (int, error) {
 		}
 		conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
 	}
-	return conn.Get(key).(int), nil
+	switch value := conn.Get(key).(type) {
+	case int:
+		return value, nil
+	case string:
+		v, err := strconv.Atoi(value)
+		if err != nil {
+			return 0, err
+		}
+		return v, nil
+	default:
+		return 0, fmt.Errorf("Unsupported cached value type: %v", value)
+	}
 }
 
 // GetInt64 returns key value from cache with callback when no key exists in cache
@@ -60,7 +74,18 @@ func GetInt64(key string, getFunc func() (int64, error)) (int64, error) {
 		}
 		conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
 	}
-	return conn.Get(key).(int64), nil
+	switch value := conn.Get(key).(type) {
+	case int64:
+		return value, nil
+	case string:
+		v, err := strconv.ParseInt(value, 10, 64)
+		if err != nil {
+			return 0, err
+		}
+		return v, nil
+	default:
+		return 0, fmt.Errorf("Unsupported cached value type: %v", value)
+	}
 }
 
 // Remove key from cache