Files
TakeoutSaaS.TenantApi/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfMiniUserRepository.cs

71 lines
2.8 KiB
C#

using Microsoft.EntityFrameworkCore;
using TakeoutSaaS.Domain.Identity.Entities;
using TakeoutSaaS.Domain.Identity.Repositories;
namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
/// <summary>
/// EF Core 小程序用户仓储实现。
/// </summary>
public sealed class EfMiniUserRepository(IdentityDbContext dbContext) : IMiniUserRepository
{
/// <summary>
/// 根据 OpenId 获取小程序用户。
/// </summary>
/// <param name="openId">微信 OpenId。</param>
/// <param name="cancellationToken">取消标记。</param>
/// <returns>匹配的小程序用户或 null。</returns>
public Task<MiniUser?> FindByOpenIdAsync(string openId, CancellationToken cancellationToken = default)
=> dbContext.MiniUsers.AsNoTracking().FirstOrDefaultAsync(x => x.OpenId == openId, cancellationToken);
/// <summary>
/// 根据用户 ID 获取小程序用户。
/// </summary>
/// <param name="id">用户 ID。</param>
/// <param name="cancellationToken">取消标记。</param>
/// <returns>匹配的小程序用户或 null。</returns>
public Task<MiniUser?> FindByIdAsync(long id, CancellationToken cancellationToken = default)
=> dbContext.MiniUsers.AsNoTracking().FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
/// <summary>
/// 创建或更新小程序用户信息。
/// </summary>
/// <param name="openId">微信 OpenId。</param>
/// <param name="unionId">微信 UnionId。</param>
/// <param name="nickname">昵称。</param>
/// <param name="avatar">头像地址。</param>
/// <param name="tenantId">租户 ID。</param>
/// <param name="cancellationToken">取消标记。</param>
/// <returns>创建或更新后的小程序用户。</returns>
public async Task<MiniUser> CreateOrUpdateAsync(string openId, string? unionId, string? nickname, string? avatar, long tenantId, CancellationToken cancellationToken = default)
{
// 1. 查询现有用户
var user = await dbContext.MiniUsers.FirstOrDefaultAsync(x => x.OpenId == openId, cancellationToken);
if (user == null)
{
// 2. 未找到则创建
user = new MiniUser
{
Id = 0,
OpenId = openId,
UnionId = unionId,
Nickname = nickname ?? "小程序用户",
Avatar = avatar,
TenantId = tenantId
};
dbContext.MiniUsers.Add(user);
}
else
{
// 3. 已存在则更新可变字段
user.UnionId = unionId ?? user.UnionId;
user.Nickname = nickname ?? user.Nickname;
user.Avatar = avatar ?? user.Avatar;
}
// 4. 保存更改
await dbContext.SaveChangesAsync(cancellationToken);
return user;
}
}