IM_NEW/FileService.Infrastructure/Reposites/UploadFileReposity.cs

using FileService.Domain.Entities;
using FileService.Domain.IReposities;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FileService.Infrastructure.Reposites
{
    public class UploadFileReposity : IUploadFileReposity
    {
        private readonly FileDbContext db;

        public UploadFileReposity(FileDbContext db)
        {
            this.db = db;
        }

        public void Create(UploadFile file)
        {
            db.Files.Add(file);
        }

        public async Task<UploadFile?> FindByCheckSumAsync(Guid uploaderId, string value)
        {
            return await db.Files.FirstOrDefaultAsync(
                x => x.OwnerId == uploaderId && 
                    x.CheckSum.Value == value
            );
        }

        public async Task<UploadFile?> FindByIdAsync(Guid id)
        {
            return await db.Files.FirstOrDefaultAsync(x => x.Id == id);
        }
        public async Task<UploadFile?> FindByCheckSumGlobalAsync(string algorithm, string value)
        {
            return await db.Files.FirstOrDefaultAsync(
                x => x.CheckSum.Algorithm == algorithm &&
                    x.CheckSum.Value == value
            );
        }

        public Task<UploadFile?> FindBySourceTaskIdAsync(Guid taskId)
        {
            return db.Files.FirstOrDefaultAsync(x => x.SourceTaskId == taskId);
        }
    }
}