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fix spotify search: start 24h ahead, search backwards for 72h

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Josh Patra
2026-02-02 23:49:39 -05:00
parent d9375405a5
commit 51702a544b
1 changed files with 13 additions and 35 deletions
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48
allstarr/Services/Spotify/SpotifyMissingTracksFetcher.cs
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@@ -462,11 +462,15 @@ public class SpotifyMissingTracksFetcher : BackgroundService
var httpClient = _httpClientFactory.CreateClient();
// Search forward first (newest files), then backwards to handle timezone differences
// We want the file with the furthest forward timestamp (most recent)
// Search starting from 24 hours ahead, going backwards for 72 hours
// This handles timezone differences where the plugin may have run "in the future" from our perspective
var now = DateTime.UtcNow;
var searchStart = now.AddHours(24); // Start 24 hours from now
var totalMinutesToSearch = 72 * 60; // 72 hours = 4320 minutes
_logger.LogInformation(" Current UTC time: {Now:yyyy-MM-dd HH:mm}", now);
_logger.LogInformation(" Searching +24h forward, then -48h backward");
_logger.LogInformation(" Search start: {Start:yyyy-MM-dd HH:mm} (24h ahead)", searchStart);
_logger.LogInformation(" Searching backwards for 72 hours ({Minutes} minutes)", totalMinutesToSearch);
var found = false;
DateTime? foundFileTime = null;
@@ -511,14 +515,15 @@ public class SpotifyMissingTracksFetcher : BackgroundService
_logger.LogInformation(" Not found within ±1h of hint, doing full search...");
}
// First search forward 24 hours (most likely to find newest files with timezone ahead)
_logger.LogInformation(" Phase 1: Searching forward 24 hours...");
// Search from 24h ahead, going backwards minute by minute for 72 hours
_logger.LogInformation(" Searching from {Start:yyyy-MM-dd HH:mm} backwards to {End:yyyy-MM-dd HH:mm}...",
searchStart, searchStart.AddMinutes(-totalMinutesToSearch));
for (var minutesAhead = 1; minutesAhead <= 1440; minutesAhead++)
for (var minutesBehind = 0; minutesBehind <= totalMinutesToSearch; minutesBehind++)
{
if (cancellationToken.IsCancellationRequested) break;
var time = now.AddMinutes(minutesAhead);
var time = searchStart.AddMinutes(-minutesBehind);
var result = await TryFetchMissingTracksFile(playlistName, time, jellyfinUrl, apiKey, httpClient, cancellationToken);
if (result.found)
@@ -529,39 +534,12 @@ public class SpotifyMissingTracksFetcher : BackgroundService
}
// Small delay every 60 requests to avoid rate limiting
if (minutesAhead % 60 == 0)
if (minutesBehind > 0 && minutesBehind % 60 == 0)
{
await Task.Delay(TimeSpan.FromMilliseconds(100), cancellationToken);
}
}
// If not found forward, search backwards 48 hours
if (!found)
{
_logger.LogInformation(" Phase 2: Searching backward 48 hours...");
for (var minutesBehind = 0; minutesBehind <= 2880; minutesBehind++)
{
if (cancellationToken.IsCancellationRequested) break;
var time = now.AddMinutes(-minutesBehind);
var result = await TryFetchMissingTracksFile(playlistName, time, jellyfinUrl, apiKey, httpClient, cancellationToken);
if (result.found)
{
found = true;
foundFileTime = result.fileTime;
return foundFileTime;
}
// Small delay every 60 requests to avoid rate limiting
if (minutesBehind > 0 && minutesBehind % 60 == 0)
{
await Task.Delay(TimeSpan.FromMilliseconds(100), cancellationToken);
}
}
}
if (!found)
{
_logger.LogWarning(" ✗ Could not find new missing tracks file (searched +24h forward, -48h backward)");