83 lines
4.9 KiB
C#
83 lines
4.9 KiB
C#
using AutoMapper;
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using DigitalData.MessagingService.Application.Common.Dto.MailSearch;
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using DigitalData.MessagingService.Application.Common.Interfaces.Repositories;
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using DigitalData.MessagingService.Domain.Entities;
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using DigitalData.MessagingService.Infrastructure.Persistence;
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using Microsoft.EntityFrameworkCore;
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namespace DigitalData.MessagingService.Infrastructure.Repositories;
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public class ReceivedEmailRepository(MessagingServiceDbContext Context, IMapper Mapper) : Repository<ReceivedEmail>(Context, Mapper), IReceivedEmailRepository
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{
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public async Task<IEnumerable<ReceivedEmail>> FindAsync(MailSearchFilter mailSearchFilter, EmailAccount? accountQuery = null, CancellationToken cancellationToken = default)
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{
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var query = DbSet.AsNoTracking();
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// ── Account filter ─────────────────────────────────────────────────────
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if (accountQuery is not null)
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query = query.Where(x => x.AccountId == accountQuery.Id);
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// ── Flag filters ───────────────────────────────────────────────────────
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if (mailSearchFilter.UnseenOnly)
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query = query.Where(x => !x.IsSeen);
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// ── Text filters ───────────────────────────────────────────────────────
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if (!string.IsNullOrWhiteSpace(mailSearchFilter.SubjectContains))
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query = query.Where(x => x.Subject.Contains(mailSearchFilter.SubjectContains));
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if (!string.IsNullOrWhiteSpace(mailSearchFilter.SenderContains))
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query = query.Where(x => x.From.Contains(mailSearchFilter.SenderContains));
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if (!string.IsNullOrWhiteSpace(mailSearchFilter.BodyContains))
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query = query.Where(x => x.TextBody.Contains(mailSearchFilter.BodyContains)
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|| x.HtmlBody.Contains(mailSearchFilter.BodyContains));
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// ── UID filter ─────────────────────────────────────────────────────────
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if (mailSearchFilter.Uid is { } uid)
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{
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if (uid.Absolute.HasValue)
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query = query.Where(x => x.Uid == uid.Absolute.Value);
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else
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{
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if (uid.Min.HasValue)
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query = query.Where(x => x.Uid >= uid.Min.Value);
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if (uid.Max.HasValue)
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query = query.Where(x => x.Uid <= uid.Max.Value);
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}
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}
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// ── Date filter ────────────────────────────────────────────────────────
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if (mailSearchFilter.Date is { } date)
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{
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if (date.After.HasValue)
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query = query.Where(x => x.Date >= date.After.Value);
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if (date.Before.HasValue)
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query = query.Where(x => x.Date <= date.Before.Value);
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}
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// ── Attachments ────────────────────────────────────────────────────────
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if (mailSearchFilter.WithAttachments)
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query = query.Include(x => x.Attachments);
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// ── Sort ───────────────────────────────────────────────────────────────
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query = mailSearchFilter.SortOrder == MailSortOrder.OldestFirst
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? query.OrderBy(x => x.Date)
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: query.OrderByDescending(x => x.Date);
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// ── Limit ──────────────────────────────────────────────────────────────
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if (mailSearchFilter.MaxCount.HasValue)
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query = query.Take(mailSearchFilter.MaxCount.Value);
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// ── RecipientContains: To/Cc are IEnumerable<string> (nvarchar(max)) ──
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// EF Core cannot translate collection predicates on these columns to SQL.
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// Materialization is deferred until after other DB-side filters narrow the set.
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var results = await query.ToListAsync(cancellationToken);
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if (!string.IsNullOrWhiteSpace(mailSearchFilter.RecipientContains))
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results = [.. results
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.Where(x => x.To.Any(t => t.Contains(mailSearchFilter.RecipientContains, StringComparison.OrdinalIgnoreCase))
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|| x.Cc.Any(c => c.Contains(mailSearchFilter.RecipientContains, StringComparison.OrdinalIgnoreCase)))];
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return results;
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}
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} |