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using AutoMapper;
using BackendPIA.Services;
using BackendPIA.Models;
using BackendPIA.Forms;
namespace BackendPIA.Logics {
public class CreateTicketLogic {
private readonly ITicketService _ticket_service;
private readonly ApplicationDbContext _context;
private readonly UserAccount _user;
private readonly long _raffle_id;
private readonly IMapper _mapper;
private readonly TicketForm _form;
public string? ErrorMessage { get; set; }
public Ticket? Created { get; set; }
public CreateTicketLogic(ITicketService service, ApplicationDbContext context, IMapper mapper, TicketForm form, UserAccount user, long raffle_id) {
_ticket_service = service;
_mapper = mapper;
_form = form;
_user = user;
_raffle_id = raffle_id;
_context = context;
}
public async Task<bool> Call() {
var raffle = _context.Raffles.Find(_raffle_id);
// Check if the user exists.
if(_user == null)
return false;
// Check if the given raffle exists-
if(raffle == null) {
ErrorMessage = "The raffle doesn't exist.";
return false;
}
// Check if the raffle has already closed.
if(raffle.IsClosed) {
ErrorMessage = "The raffle is already closed.";
return false;
}
// Check if the user already has a ticket for the given raffle.
if(_context.Tickets.Where(t => t.RaffleId == _raffle_id).Where(t => t.UserAccountId == _user.Id).Count() > 0) {
ErrorMessage = $"There's already a ticket for {_user.UserName}.";
return false;
}
// Check if the number has been taken.
if(_context.Tickets.Where(t => t.RaffleId == _raffle_id).Where(t => t.Number == _form.Number).Count() > 0) {
ErrorMessage = $"There's already a registered ticket with the number {_form.Number}.";
return false;
}
var ticket = _mapper.Map<Ticket>(_form);
ticket.RaffleId = _raffle_id;
// Check if the given raffle has reached the ticket limit.
if(_context.Tickets.Where(t => t.RaffleId == _raffle_id).Count() >= 54) {
ErrorMessage = $"The raffle with id {_raffle_id} has reached the ticket limit";
return false;
}
ticket.UserAccountId = _user.Id;
ticket.IsWinner = false;
Created = await _ticket_service.CreateTicket(ticket);
return true;
}
}
}
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