From 1b174b474c2bf945c03b3de06eb37fa299a1d8cd Mon Sep 17 00:00:00 2001
From: Paul De Smul <paul.de.smul@gmail.com>
Date: Fri, 11 Oct 2024 12:36:32 +0200
Subject: [PATCH] Fix crash when uri cannot be reached

caused by OpenLibrary being down at the moment
---
 src/Services/IOService.cs | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/src/Services/IOService.cs b/src/Services/IOService.cs
index f620068..2471988 100644
--- a/src/Services/IOService.cs
+++ b/src/Services/IOService.cs
@@ -34,8 +34,15 @@ public static async Task<byte[]> DownloadFileAsync(string uri)
             using HttpClient client = new();
 
             if (!Uri.TryCreate(uri, UriKind.Absolute, out Uri? _)) throw new InvalidOperationException("URI is invalid.");
-
-            return await client.GetByteArrayAsync(uri);
+            try
+            {
+                return await client.GetByteArrayAsync(uri);
+            }
+            catch (Exception ex)
+            {
+                Logger.Error($"Failed to fetch data at {uri}", ex);
+                return Array.Empty<byte>();
+            }
         }
         public static async Task<JObject?> GetJsonAsync(string uri)
         {
@@ -44,12 +51,18 @@ public static async Task<byte[]> DownloadFileAsync(string uri)
             JObject? json = null;
 
             if (!Uri.TryCreate(uri, UriKind.Absolute, out Uri? _)) throw new InvalidOperationException("URI is invalid.");
-
-            HttpResponseMessage response = await client.GetAsync(uri);
-            if (response.IsSuccessStatusCode)
+            try
+            {
+                HttpResponseMessage response = await client.GetAsync(uri);
+                if (response.IsSuccessStatusCode)
+                {
+                    var data = response.Content.ReadAsStringAsync();
+                    json = JObject.Parse(data.Result);
+                }
+            }
+            catch (Exception ex)
             {
-                var data = response.Content.ReadAsStringAsync();
-                json = JObject.Parse(data.Result);
+                Logger.Error($"Failed to fetch data at {uri}", ex);
             }
             return json;
         }