public async Task <AbstractAnswer <Transaction> > Handle(CreateTransactionCommand request, CancellationToken cancellationToken)
{
try
{
var tempId = Guid.NewGuid();
var foundedBill =
await context.Bills.FirstOrDefaultAsync(x => x.Id == request.BillId, cancellationToken);
if (foundedBill is null)
{
return(CreateFailed(new[] { "Bill not found" }));
}
var foundedType =
await context.TransactionTypes.FirstOrDefaultAsync(x => x.Id == request.TypeId, cancellationToken);
if (foundedType is null)
{
return(CreateFailed(new[] { "Transactions type not found" }));
}
context.Transactions.Add(new TransactionDB
{
Id = tempId,
BillId = request.BillId,
TypeId = request.TypeId,
Date = request.Date,
Description = request.Description,
Value = request.Value,
});
await context.SaveChangesAsync(cancellationToken);
return(CreateSuccess(new Transaction
{
Id = tempId,
Type = new TransactionType
{
Id = request.TypeId,
Title = foundedType.Title
},
Bill = new Bill
{
Id = request.BillId,
Title = foundedBill.Title,
},
Info = new TransactionInfo
{
Date = request.Date,
Description = request.Description,
Value = request.Value,
},
}));
}
catch
{
return(CreateFailed(new[] { "Database error" }));
}
}
public async Task <AbstractAnswer <Bill> > Handle(CreateBillCommand request, CancellationToken cancellationToken)
{
try
{
var tempId = Guid.NewGuid();
var foundedUser = await context.Users
.FirstOrDefaultAsync(x => x.Id == request.UserId, cancellationToken);
if (foundedUser is null)
{
return(CreateFailed(new[] { "User doesn't exists" }));
}
context.Bills.Add(new BillDB
{
Id = tempId,
Title = request.Title,
UserId = request.UserId,
});
await context.SaveChangesAsync(cancellationToken);
return(CreateSuccess(new Bill
{
Id = tempId,
Title = request.Title,
}));
}
catch
{
return(CreateFailed(new[] { "Database error" }));
}
}
public async Task <Unit> Handle(CreateUserCommand request, CancellationToken cancellationToken)
{
context.Users.Add(new UserDB
{
Id = request.Id,
Username = request.Username,
});
await context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}