public async Task <AddPresentationPayload> AddPresentationAsync(
AddPresentationInput input,
[Service] AppDbContext context)
{
var presentation = new PresentationModel
{
Name = input.Name,
Code = RandomCode.Get(),
HasStarted = false,
NumberOfSlides = 5,
CurrentSlideIndex = 0
};
context.Presentations.Add(presentation);
await context.SaveChangesAsync();
return(new AddPresentationPayload(presentation));
}