/// <summary>
/// Применяет настройки фильтрации.
/// </summary>
/// <param name="query">Запрос.</param>
/// <param name="filterSettings">Настройки фильтрации.</param>
/// <returns>Запрос.</returns>
static public IQueryable <Teacher> ApplyFilters
(
this IQueryable <Teacher> query,
TeacherFilterSettings filterSettings
)
{
if (filterSettings == null)
{
return(query);
}
if (filterSettings.DepartmentId.HasValue)
{
query = query.Where(x => x.DepartmentId == filterSettings.DepartmentId.Value);
}
if (filterSettings.TeachingType.HasValue)
{
query = query.Where(x => x.TeachingType == filterSettings.TeachingType.Value);
}
if (filterSettings.IsDepartmentHead.HasValue)
{
query = query.Where(x => x.IsDepartmentHead == filterSettings.IsDepartmentHead.Value);
}
return(query);
}
///<inheritdoc/>
public async Task <IEnumerable <Teacher> > FindAsync(TeacherFilterSettings filterSettings)
{
return(await _websiteDbContext.Teachers.ApplyFilters(filterSettings).ToArrayAsync());
}
