initial commit

Features/Pipeline/Campaign/Cqrs/DeleteCampaignByIdHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Pipeline.Campaign.Cqrs;
+
+public record DeleteCampaignByIdCommand(string Id) : IRequest<bool>;
+
+public class DeleteCampaignByIdHandler : IRequestHandler<DeleteCampaignByIdCommand, bool>
+{
+    private readonly AppDbContext _context;
+    public DeleteCampaignByIdHandler(AppDbContext context) => _context = context;
+
+    public async Task<bool> Handle(DeleteCampaignByIdCommand request, CancellationToken cancellationToken)
+    {
+        var entity = await _context.Campaign
+            .FirstOrDefaultAsync(x => x.Id == request.Id, cancellationToken);
+
+        if (entity == null) return false;
+
+        _context.Campaign.Remove(entity);
+        await _context.SaveChangesAsync(cancellationToken);
+        return true;
+    }
+}