initial commit

Features/Pipeline/Campaign/Cqrs/UpdateBudgetHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using Indotalent.Data.Enums;
+
+namespace Indotalent.Features.Pipeline.Campaign.Cqrs;
+
+public class UpdateBudgetRequest
+{
+    public string? Id { get; set; }
+    public string? Title { get; set; }
+    public string? Description { get; set; }
+    public DateTime? BudgetDate { get; set; }
+    public decimal? Amount { get; set; }
+    public BudgetStatus Status { get; set; }
+}
+
+public class UpdateBudgetResponse
+{
+    public string? Id { get; set; }
+    public bool Success { get; set; }
+}
+
+public record UpdateBudgetCommand(UpdateBudgetRequest Data) : IRequest<UpdateBudgetResponse>;
+
+public class UpdateBudgetHandler : IRequestHandler<UpdateBudgetCommand, UpdateBudgetResponse>
+{
+    private readonly AppDbContext _context;
+    public UpdateBudgetHandler(AppDbContext context) => _context = context;
+
+    public async Task<UpdateBudgetResponse> Handle(UpdateBudgetCommand request, CancellationToken cancellationToken)
+    {
+        var entity = await _context.Budget
+            .FirstOrDefaultAsync(x => x.Id == request.Data.Id, cancellationToken);
+
+        if (entity == null)
+        {
+            return new UpdateBudgetResponse { Id = request.Data.Id, Success = false };
+        }
+
+        entity.Title = request.Data.Title;
+        entity.Description = request.Data.Description;
+        entity.BudgetDate = request.Data.BudgetDate;
+        entity.Amount = request.Data.Amount;
+        entity.Status = request.Data.Status;
+
+        await _context.SaveChangesAsync(cancellationToken);
+
+        return new UpdateBudgetResponse
+        {
+            Id = entity.Id,
+            Success = true
+        };
+    }
+}