Khwezi Mngoma
34 lines
1.4 KiB
C#
34 lines
1.4 KiB
C#
using LiteCharms.Extensions;
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using LiteCharms.Features.Shop.Notifications.Models;
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using LiteCharms.Features.Shop.Postgres;
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namespace LiteCharms.Features.Notifications.Queries.Handlers;
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public class GetNotificationsQueryHandler(IDbContextFactory<ShopDbContext> contextFactory) : IRequestHandler<GetNotificationsQuery, Result<Notification[]>>
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{
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public async ValueTask<Result<Notification[]>> Handle(GetNotificationsQuery request, CancellationToken cancellationToken)
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{
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try
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{
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var fromDate = request.From.ToDateTime(TimeOnly.MinValue);
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var toDate = request.To.ToDateTime(TimeOnly.MaxValue);
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using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
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var notifications = await context.Notifications.AsNoTracking()
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.Where(n => n.CreatedAt >= fromDate && n.CreatedAt <= toDate)
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.OrderByDescending(n => n.CreatedAt)
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.Take(request.MaxRecords)
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.ToArrayAsync(cancellationToken);
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return notifications?.Length > 0
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? Result.Ok(notifications.Select(n => n.ToModel()).ToArray())
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: Result.Fail(new Error($"No notifications found for the specified date range {request.From} to {request.To}."));
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}
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catch (Exception ex)
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{
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return Result.Fail(new Error(ex.Message).CausedBy(ex));
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}
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}
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}
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