From 9daf64648b292f06907a11215afb6c286b2b9477 Mon Sep 17 00:00:00 2001
From: Davide De Rosa <keeshux@gmail.com>
Date: Thu, 6 Dec 2018 10:37:22 +0100
Subject: [PATCH] Fix handling of HTTP 304 from infrastructure ws

---
 .../Sources/Services/InfrastructureFactory.swift | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/Passepartout/Sources/Services/InfrastructureFactory.swift b/Passepartout/Sources/Services/InfrastructureFactory.swift
index 94fb02e9..e2600757 100644
--- a/Passepartout/Sources/Services/InfrastructureFactory.swift
+++ b/Passepartout/Sources/Services/InfrastructureFactory.swift
@@ -136,7 +136,21 @@ class InfrastructureFactory {
                 self.lastUpdate[name] = Date()
             }
 
-            guard let response = response, let infra = response.value, let lastModified = response.lastModified else {
+            guard let response = response else {
+                log.error("No response from web service")
+                DispatchQueue.main.async {
+                    completionHandler(nil, error)
+                }
+                return
+            }
+            if response.isCached {
+                log.debug("Cache is up to date")
+                DispatchQueue.main.async {
+                    completionHandler(nil, error)
+                }
+                return
+            }
+            guard let infra = response.value, let lastModified = response.lastModified else {
                 log.error("No response from web service or missing Last-Modified")
                 DispatchQueue.main.async {
                     completionHandler(nil, error)