EnvelopeGenerator/EnvelopeGenerator.Infrastructure/Repositories/ReceiverRepository.cs

using DigitalData.Core.Infrastructure;
using EnvelopeGenerator.Domain.Entities;
using EnvelopeGenerator.Application.Contracts.Repositories;
using Microsoft.EntityFrameworkCore;

namespace EnvelopeGenerator.Infrastructure.Repositories;

public class ReceiverRepository : CRUDRepository<Receiver, int, EGDbContext>, IReceiverRepository
{
    public ReceiverRepository(EGDbContext dbContext) : base(dbContext, dbContext.Receivers)
    {
    }

    protected IQueryable<Receiver> ReadBy(string? emailAddress = null, string? signature = null, bool withLastUsedName = true)
    {
        IQueryable<Receiver> query = _dbSet.AsNoTracking();

        if(emailAddress is not null)
            query = query.Where(r => r.EmailAddress == emailAddress);

        if(signature is not null)
            query = query.Where(r => r.Signature == signature);

        // envelope receivers are ignored (with '[JsonIgnore]' attribute). The reson to add them is to get the las used receiver name
        if (withLastUsedName)
        {
            query = query.Include(r => r.EnvelopeReceivers!.OrderByDescending(er => er.EnvelopeId).Take(1));
        }

        return query;
    }

    public async Task<Receiver?> ReadByAsync(string? emailAddress = null, string? signature = null) => await ReadBy(emailAddress, signature).FirstOrDefaultAsync();

    public async override Task<IEnumerable<Receiver>> ReadAllAsync() => await ReadBy().ToListAsync();
}