♻️ Extract the Storage service to DysonNetwork.Drive microservice
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292
DysonNetwork.Drive/FileService.ReferenceMigration.cs
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292
DysonNetwork.Drive/FileService.ReferenceMigration.cs
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using EFCore.BulkExtensions;
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using Microsoft.EntityFrameworkCore;
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using NodaTime;
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using DysonNetwork.Common.Models;
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using DysonNetwork.Sphere;
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namespace DysonNetwork.Drive;
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public class FileReferenceMigrationService(AppDatabase db)
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{
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public async Task ScanAndMigrateReferences()
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{
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// Scan Posts for file references
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await ScanPosts();
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// Scan Messages for file references
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await ScanMessages();
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// Scan Profiles for file references
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await ScanProfiles();
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// Scan Chat entities for file references
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await ScanChatRooms();
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// Scan Realms for file references
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await ScanRealms();
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// Scan Publishers for file references
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await ScanPublishers();
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// Scan Stickers for file references
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await ScanStickers();
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}
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private async Task ScanPosts()
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{
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var posts = await db.Posts
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.Include(p => p.OutdatedAttachments)
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.Where(p => p.OutdatedAttachments.Any())
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.ToListAsync();
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foreach (var post in posts)
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{
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var updatedAttachments = new List<CloudFileReferenceObject>();
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foreach (var attachment in post.OutdatedAttachments)
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{
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var file = await db.Files.FirstOrDefaultAsync(f => f.Id == attachment.Id);
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if (file != null)
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{
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// Create a reference for the file
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var reference = new CloudFileReference
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{
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FileId = file.Id,
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File = file,
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Usage = "post",
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ResourceId = post.ResourceIdentifier
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};
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await db.FileReferences.AddAsync(reference);
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updatedAttachments.Add(file.ToReferenceObject());
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}
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else
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{
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// Keep the existing reference object if file not found
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updatedAttachments.Add(attachment.ToReferenceObject());
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}
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}
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post.Attachments = updatedAttachments;
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db.Posts.Update(post);
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}
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await db.SaveChangesAsync();
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}
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private async Task ScanMessages()
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{
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var messages = await db.ChatMessages
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.Include(m => m.OutdatedAttachments)
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.Where(m => m.OutdatedAttachments.Any())
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.ToListAsync();
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var fileReferences = messages.SelectMany(message => message.OutdatedAttachments.Select(attachment =>
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new CloudFileReference
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{
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FileId = attachment.Id,
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File = attachment,
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Usage = "chat",
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ResourceId = message.ResourceIdentifier,
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CreatedAt = SystemClock.Instance.GetCurrentInstant(),
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UpdatedAt = SystemClock.Instance.GetCurrentInstant()
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})
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).ToList();
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foreach (var message in messages)
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{
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message.Attachments = message.OutdatedAttachments.Select(a => a.ToReferenceObject()).ToList();
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db.ChatMessages.Update(message);
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}
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await db.BulkInsertAsync(fileReferences);
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await db.SaveChangesAsync();
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}
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private async Task ScanChatRooms()
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{
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var chatRooms = await db.ChatRooms
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.Where(c => c.PictureId != null || c.BackgroundId != null)
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.ToListAsync();
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foreach (var chatRoom in chatRooms)
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{
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if (chatRoom is { PictureId: not null, Picture: null })
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{
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var avatarFile = await db.Files.FirstOrDefaultAsync(f => f.Id == chatRoom.PictureId);
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if (avatarFile != null)
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{
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// Create a reference for the avatar file
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var reference = new CloudFileReference
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{
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FileId = avatarFile.Id,
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File = avatarFile,
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Usage = "chatroom.picture",
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ResourceId = chatRoom.ResourceIdentifier
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};
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await db.FileReferences.AddAsync(reference);
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chatRoom.Picture = avatarFile.ToReferenceObject();
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db.ChatRooms.Update(chatRoom);
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}
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}
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if (chatRoom is not { BackgroundId: not null, Background: null }) continue;
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var bannerFile = await db.Files.FirstOrDefaultAsync(f => f.Id == chatRoom.BackgroundId);
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if (bannerFile == null) continue;
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{
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// Create a reference for the banner file
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var reference = new CloudFileReference
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{
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FileId = bannerFile.Id,
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File = bannerFile,
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Usage = "chatroom.background",
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ResourceId = chatRoom.ResourceIdentifier
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};
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await db.FileReferences.AddAsync(reference);
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chatRoom.Background = bannerFile.ToReferenceObject();
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db.ChatRooms.Update(chatRoom);
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}
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}
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await db.SaveChangesAsync();
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}
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private async Task ScanRealms()
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{
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var realms = await db.Realms
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.Where(r => r.PictureId != null && r.BackgroundId != null)
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.ToListAsync();
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foreach (var realm in realms)
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{
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// Process avatar if it exists
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if (realm is { PictureId: not null, Picture: null })
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{
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var avatarFile = await db.Files.FirstOrDefaultAsync(f => f.Id == realm.PictureId);
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if (avatarFile != null)
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{
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// Create a reference for the avatar file
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var reference = new CloudFileReference
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{
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FileId = avatarFile.Id,
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File = avatarFile,
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Usage = "realm.picture",
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ResourceId = realm.ResourceIdentifier
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};
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await db.FileReferences.AddAsync(reference);
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realm.Picture = avatarFile.ToReferenceObject();
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}
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}
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// Process banner if it exists
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if (realm is { BackgroundId: not null, Background: null })
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{
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var bannerFile = await db.Files.FirstOrDefaultAsync(f => f.Id == realm.BackgroundId);
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if (bannerFile != null)
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{
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// Create a reference for the banner file
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var reference = new CloudFileReference
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{
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FileId = bannerFile.Id,
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File = bannerFile,
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Usage = "realm.background",
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ResourceId = realm.ResourceIdentifier
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};
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await db.FileReferences.AddAsync(reference);
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realm.Background = bannerFile.ToReferenceObject();
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}
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}
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db.Realms.Update(realm);
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}
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await db.SaveChangesAsync();
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}
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private async Task ScanPublishers()
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{
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var publishers = await db.Publishers
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.Where(p => p.PictureId != null || p.BackgroundId != null)
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.ToListAsync();
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foreach (var publisher in publishers)
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{
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if (publisher is { PictureId: not null, Picture: null })
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{
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var pictureFile = await db.Files.FirstOrDefaultAsync(f => f.Id == publisher.PictureId);
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if (pictureFile != null)
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{
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// Create a reference for the picture file
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var reference = new CloudFileReference
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{
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FileId = pictureFile.Id,
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File = pictureFile,
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Usage = "publisher.picture",
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ResourceId = publisher.Id.ToString()
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};
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await db.FileReferences.AddAsync(reference);
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publisher.Picture = pictureFile.ToReferenceObject();
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}
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}
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if (publisher is { BackgroundId: not null, Background: null })
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{
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var backgroundFile = await db.Files.FirstOrDefaultAsync(f => f.Id == publisher.BackgroundId);
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if (backgroundFile != null)
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{
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// Create a reference for the background file
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var reference = new CloudFileReference
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{
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FileId = backgroundFile.Id,
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File = backgroundFile,
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Usage = "publisher.background",
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ResourceId = publisher.ResourceIdentifier
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};
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await db.FileReferences.AddAsync(reference);
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publisher.Background = backgroundFile.ToReferenceObject();
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}
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}
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db.Publishers.Update(publisher);
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}
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await db.SaveChangesAsync();
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}
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private async Task ScanStickers()
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{
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var stickers = await db.Stickers
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.Where(s => s.ImageId != null && s.Image == null)
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.ToListAsync();
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foreach (var sticker in stickers)
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{
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var imageFile = await db.Files.FirstOrDefaultAsync(f => f.Id == sticker.ImageId);
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if (imageFile != null)
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{
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// Create a reference for the sticker image file
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var reference = new CloudFileReference
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{
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FileId = imageFile.Id,
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File = imageFile,
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Usage = "sticker.image",
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ResourceId = sticker.ResourceIdentifier
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};
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await db.FileReferences.AddAsync(reference);
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sticker.Image = imageFile.ToReferenceObject();
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db.Stickers.Update(sticker);
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}
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}
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await db.SaveChangesAsync();
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}
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}
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