65 lines
2.2 KiB
C#
65 lines
2.2 KiB
C#
using Microsoft.EntityFrameworkCore;
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using NodaTime;
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using Quartz;
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namespace DysonNetwork.Drive.Storage;
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/// <summary>
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/// Job responsible for cleaning up expired file references
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/// </summary>
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public class FileExpirationJob(AppDatabase db, FileService fileService, ILogger<FileExpirationJob> logger) : IJob
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{
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public async Task Execute(IJobExecutionContext context)
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{
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var now = SystemClock.Instance.GetCurrentInstant();
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logger.LogInformation("Running file reference expiration job at {now}", now);
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// Find all expired references
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var expiredReferences = await db.FileReferences
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.Where(r => r.ExpiredAt < now && r.ExpiredAt != null)
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.ToListAsync();
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if (!expiredReferences.Any())
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{
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logger.LogInformation("No expired file references found");
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return;
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}
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logger.LogInformation("Found {count} expired file references", expiredReferences.Count);
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// Get unique file IDs
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var fileIds = expiredReferences.Select(r => r.FileId).Distinct().ToList();
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var filesAndReferenceCount = new Dictionary<string, int>();
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// Delete expired references
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db.FileReferences.RemoveRange(expiredReferences);
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await db.SaveChangesAsync();
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// Check remaining references for each file
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foreach (var fileId in fileIds)
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{
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var remainingReferences = await db.FileReferences
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.Where(r => r.FileId == fileId)
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.CountAsync();
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filesAndReferenceCount[fileId] = remainingReferences;
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// If no references remain, delete the file
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if (remainingReferences == 0)
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{
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var file = await db.Files.FirstOrDefaultAsync(f => f.Id == fileId);
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if (file == null) continue;
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logger.LogInformation("Deleting file {fileId} as all references have expired", fileId);
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await fileService.DeleteFileAsync(file);
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}
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else
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{
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// Just purge the cache
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await fileService._PurgeCacheAsync(fileId);
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}
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}
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logger.LogInformation("Completed file reference expiration job");
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}
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}
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