Foxnouns.NET/Foxnouns.Backend/Jobs/MemberAvatarUpdateInvocable.cs

79 lines
No EOL
2.7 KiB
C#

using System.Security.Cryptography;
using Coravel.Invocable;
using Foxnouns.Backend.Database;
using Foxnouns.Backend.Extensions;
using Foxnouns.Backend.Services;
namespace Foxnouns.Backend.Jobs;
public class MemberAvatarUpdateInvocable(DatabaseContext db, ObjectStorageService objectStorageService, ILogger logger)
: IInvocable, IInvocableWithPayload<AvatarUpdatePayload>
{
private readonly ILogger _logger = logger.ForContext<UserAvatarUpdateInvocable>();
public required AvatarUpdatePayload Payload { get; set; }
public async Task Invoke()
{
if (Payload.NewAvatar != null) await UpdateMemberAvatarAsync(Payload.Id, Payload.NewAvatar);
else await ClearMemberAvatarAsync(Payload.Id);
}
private async Task UpdateMemberAvatarAsync(Snowflake id, string newAvatar)
{
_logger.Debug("Updating avatar for member {MemberId}", id);
var member = await db.Members.FindAsync(id);
if (member == null)
{
_logger.Warning("Update avatar job queued for {MemberId} but no member with that ID exists", id);
return;
}
try
{
var image = await newAvatar.ConvertBase64UriToImage(size: 512, crop: true);
var hash = Convert.ToHexString(await SHA256.HashDataAsync(image)).ToLower();
image.Seek(0, SeekOrigin.Begin);
var prevHash = member.Avatar;
await objectStorageService.PutObjectAsync(Path(id, hash), image, "image/webp");
member.Avatar = hash;
await db.SaveChangesAsync();
if (prevHash != null && prevHash != hash)
await objectStorageService.RemoveObjectAsync(Path(id, prevHash));
_logger.Information("Updated avatar for member {MemberId}", id);
}
catch (ArgumentException ae)
{
_logger.Warning("Invalid data URI for new avatar for member {MemberId}: {Reason}", id, ae.Message);
}
}
private async Task ClearMemberAvatarAsync(Snowflake id)
{
_logger.Debug("Clearing avatar for member {MemberId}", id);
var member = await db.Members.FindAsync(id);
if (member == null)
{
_logger.Warning("Clear avatar job queued for {MemberId} but no member with that ID exists", id);
return;
}
if (member.Avatar == null)
{
_logger.Warning("Clear avatar job queued for {MemberId} with null avatar", id);
return;
}
await objectStorageService.RemoveObjectAsync(Path(member.Id, member.Avatar));
member.Avatar = null;
await db.SaveChangesAsync();
}
public static string Path(Snowflake id, string hash) => $"members/{id}/avatars/{hash}.webp";
}