ANTOOZA-BACKEND/Application/Features/Admin/Document/Search/Handler.cs

using Application.Abstractions.Messaging;
using Application.Abstractions.Data;
using SharedKernel;
using SharedKernel.Extensions;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Options;

namespace Application.Features.Admin.Document.Search;

public sealed class Handler(IAppDbContext db, IOptions<AppSettings> settings) : IQueryHandler<Query, Response>
{
    public async Task<Response> Handle(Query request, CancellationToken ct)
    {
        var total = await db.Document.CountAsync(ct);
        var list = await db.Document.AsNoTracking().OrderByDescending(c => c.ID).Skip((request.Page - 1) * request.PerPage).Take(request.PerPage).ToListAsync(ct);

        return new Response
        {
            Total = total,
            List = [..list.Select((c, i) => new Response.Item
            {
                Num = total - ((request.Page - 1) * request.PerPage) - i,
                ID = c.ID,
                Link = $"{settings.Value.App.FrontURL}/docs/{c.Code}",
                Code = c.Code,
                Subject = c.Subject,
                Content = c.Content,
                Views = c.Views.ToString("N0"),
                IsActive = c.IsActive ? 'Y' : 'N',
                UpdatedAt = c.UpdatedAt.GetDateAt() ?? "-",
                CreatedAt = c.CreatedAt.GetDateAt()
            })]
        };
    }
}