Foxnouns.NET/Foxnouns.Backend/Jobs/UserAvatarUpdateInvocable.cs

111 lines
3.6 KiB
C#

// Copyright (C) 2023-present sam/u1f320 (vulpine.solutions)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
using Coravel.Invocable;
using Foxnouns.Backend.Database;
using Foxnouns.Backend.Database.Models;
using Foxnouns.Backend.Extensions;
using Foxnouns.Backend.Services;
namespace Foxnouns.Backend.Jobs;
public class UserAvatarUpdateInvocable(
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 UpdateUserAvatarAsync(Payload.Id, Payload.NewAvatar);
else
await ClearUserAvatarAsync(Payload.Id);
}
private async Task UpdateUserAvatarAsync(Snowflake id, string newAvatar)
{
_logger.Debug("Updating avatar for user {MemberId}", id);
User? user = await db.Users.FindAsync(id);
if (user == null)
{
_logger.Warning(
"Update avatar job queued for {UserId} but no user with that ID exists",
id
);
return;
}
try
{
(string? hash, Stream? image) = await ImageObjectExtensions.ConvertBase64UriToImage(
newAvatar,
512,
true
);
image.Seek(0, SeekOrigin.Begin);
string? prevHash = user.Avatar;
await objectStorageService.PutObjectAsync(Path(id, hash), image, "image/webp");
user.Avatar = hash;
await db.SaveChangesAsync();
if (prevHash != null && prevHash != hash)
await objectStorageService.RemoveObjectAsync(Path(id, prevHash));
_logger.Information("Updated avatar for user {UserId}", id);
}
catch (ArgumentException ae)
{
_logger.Warning(
"Invalid data URI for new avatar for user {UserId}: {Reason}",
id,
ae.Message
);
}
}
private async Task ClearUserAvatarAsync(Snowflake id)
{
_logger.Debug("Clearing avatar for user {MemberId}", id);
User? user = await db.Users.FindAsync(id);
if (user == null)
{
_logger.Warning(
"Clear avatar job queued for {UserId} but no user with that ID exists",
id
);
return;
}
if (user.Avatar == null)
{
_logger.Warning("Clear avatar job queued for {UserId} with null avatar", id);
return;
}
await objectStorageService.RemoveObjectAsync(Path(user.Id, user.Avatar));
user.Avatar = null;
await db.SaveChangesAsync();
}
public static string Path(Snowflake id, string hash) => $"users/{id}/avatars/{hash}.webp";
}