Refactored all synchronizers to deal with some of the chronic issues.

2026-02-06 01:18:12 +01:00
parent d1425ca9ca
commit 071f1c9786
43 changed files with 2785 additions and 582 deletions
@@ -0,0 +1,57 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using Google;
+using Serilog;
+using Wino.Core.Domain.Enums;
+using Wino.Core.Domain.Interfaces;
+using Wino.Core.Domain.Models.Synchronization;
+
+namespace Wino.Core.Synchronizers.Errors.Gmail;
+
+/// <summary>
+/// Handles Gmail API quota exceeded errors (HTTP 403 with quota error).
+/// This is a more severe rate limit that indicates daily quota exhaustion.
+/// </summary>
+public class GmailQuotaExceededHandler : ISynchronizerErrorHandler
+{
+    private readonly ILogger _logger = Log.ForContext<GmailQuotaExceededHandler>();
+
+    public bool CanHandle(SynchronizerErrorContext error)
+    {
+        if (error.Exception is GoogleApiException googleEx)
+        {
+            // Quota exceeded usually returns 403
+            if (googleEx.HttpStatusCode == System.Net.HttpStatusCode.Forbidden)
+            {
+                var errorMessage = googleEx.Message?.ToLowerInvariant() ?? string.Empty;
+                var errorReason = googleEx.Error?.Errors?.FirstOrDefault()?.Reason?.ToLowerInvariant() ?? string.Empty;
+
+                return errorMessage.Contains("quota") ||
+                       errorMessage.Contains("limit exceeded") ||
+                       errorReason.Contains("quota") ||
+                       errorReason.Contains("ratelimitexceeded") ||
+                       errorReason.Contains("userlimitexceeded");
+            }
+        }
+
+        return false;
+    }
+
+    public Task<bool> HandleAsync(SynchronizerErrorContext error)
+    {
+        _logger.Warning(error.Exception,
+            "Gmail API quota exceeded for account {AccountName} ({AccountId}). Sync will be paused.",
+            error.Account?.Name, error.Account?.Id);
+
+        // Quota exceeded is more severe - treat as fatal to prevent repeated failures
+        // The user will be notified and sync will resume after quota resets
+        error.Severity = SynchronizerErrorSeverity.Fatal;
+        error.Category = SynchronizerErrorCategory.RateLimit;
+
+        // Suggest a very long delay - quotas typically reset daily
+        error.RetryDelay = TimeSpan.FromHours(1);
+
+        return Task.FromResult(true);
+    }
+}