// Helpers. private async Task <PaginatedList <ContactDto> > ReadFromCache(ContactsQuery query) { var cache = await _cache.GetAsync <PaginatedList <ContactDto> >(); cache.Restore(query.PageNumber, query.PageSize); return(cache); }
private async Task <PaginatedList <ContactDto> > ReadFromDatabase(ContactsQuery query) { var contacts = await _context.Contacts .Where(e => e.OwnerUserId == query.OwnerUserId) .ProjectTo <ContactDto>(_mapper.ConfigurationProvider) .PaginatedListAsync(query.PageNumber, query.PageSize); await _cache.CreateAsync(contacts); return(contacts); }
public async Task <PaginatedList <ContactDto> > Handle(ContactsQuery request, CancellationToken cancellationToken) { try { return(await ReadFromCache(request)); } catch (NotFoundException) { return(await ReadFromDatabase(request)); } }