48 lines
1.5 KiB
C#
48 lines
1.5 KiB
C#
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using System;
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using System.Threading.Tasks;
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using Google;
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using Serilog;
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using Wino.Core.Domain.Enums;
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using Wino.Core.Domain.Interfaces;
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using Wino.Core.Domain.Models.Synchronization;
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namespace Wino.Core.Synchronizers.Errors.Gmail;
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/// <summary>
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/// Handles Gmail API rate limiting errors (HTTP 429 Too Many Requests).
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/// Marks the error as transient with appropriate backoff delay.
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/// </summary>
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public class GmailRateLimitHandler : ISynchronizerErrorHandler
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{
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private readonly ILogger _logger = Log.ForContext<GmailRateLimitHandler>();
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public bool CanHandle(SynchronizerErrorContext error)
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{
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if (error.ErrorCode == 429)
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return true;
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if (error.Exception is GoogleApiException googleEx)
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{
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return googleEx.HttpStatusCode == System.Net.HttpStatusCode.TooManyRequests ||
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(googleEx.Error?.Code == 429);
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}
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return false;
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}
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public Task<bool> HandleAsync(SynchronizerErrorContext error)
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{
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_logger.Warning(error.Exception,
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"Gmail API rate limit hit for account {AccountName} ({AccountId}). Operation: {Operation}. Will retry with backoff.",
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error.Account?.Name, error.Account?.Id, error.OperationType ?? "N/A");
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error.Severity = SynchronizerErrorSeverity.Transient;
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error.Category = SynchronizerErrorCategory.RateLimit;
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// Gmail rate limits are usually per-user, suggest a longer delay
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error.RetryDelay = TimeSpan.FromSeconds(10);
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return Task.FromResult(true);
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}
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}
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