private static Expression <Func <Appointment, bool> > Filter(AppointmentsFilter filter)
{
var expressionsList = new List <Expression <Func <Appointment, bool> > >();
if (filter.StatusId != null)
{
Expression <Func <Appointment, bool> > statusFilter = a => a.StatusId == filter.StatusId;
expressionsList.Add(statusFilter);
}
if (filter.ServiceId != null)
{
Expression <Func <Appointment, bool> > serviceFilter = a => a.ServiceId == filter.ServiceId;
expressionsList.Add(serviceFilter);
}
if (filter.DoctorId != null)
{
Expression <Func <Appointment, bool> > doctorFilter = a => a.DoctorId == filter.DoctorId;
expressionsList.Add(doctorFilter);
}
if (filter.AnimalId != null)
{
Expression <Func <Appointment, bool> > animalFilter = a => a.AnimalId == filter.AnimalId;
expressionsList.Add(animalFilter);
}
if (filter.ClientId != null)
{
Expression <Func <Appointment, bool> > clientFilter = a => a.Animal.ClientId == filter.ClientId;
expressionsList.Add(clientFilter);
}
Expression <Func <Appointment, bool> > expression = appointment => true;
foreach (var exp in expressionsList)
{
expression = expression.AndAlso(exp);
}
return(expression);
}
public async Task <ICollection <Appointment> > GetAllAppointmentsAsync(
AppointmentsFilter filter = null,
PaginationFilter pagination = null)
{
if (pagination != null && filter != null)
{
return(await _repositoryWrapper.AppointmentRepository.GetAsync(Filter(filter), Include(), OrderBy(pagination),
pagination.PageNumber, pagination.PageSize));
}
if (filter != null)
{
return(await _repositoryWrapper.AppointmentRepository.GetAsync(Filter(filter), Include()));
}
if (pagination != null)
{
return(await _repositoryWrapper.AppointmentRepository.GetAsync(include : Include(), orderBy : OrderBy(pagination),
pageNumber : pagination.PageNumber, pageSize : pagination.PageSize));
}
return(await _repositoryWrapper.AppointmentRepository.GetAsync(include : Include()));
}
public async Task <int> GetTotalCount(AppointmentsFilter filter = null)
{
return(await _repositoryWrapper.AppointmentRepository.CountAsync(Filter(filter)));
}
