public async Task <PaginatedList <ConversationMessageDto> > Handle(ConversationMessagesQuery query,
CancellationToken cancellationToken)
{
var key = query.Identify();
try
{
_logger.LogInformation("[WLODZIMIERZ.API / Users] Reading from the cache: {Name} {@Query}",
nameof(ConversationMessagesQuery), query);
return(await ReadFromCache(key));
}
catch (NotFoundException)
{
_logger.LogWarning("[WLODZIMIERZ.API / Users] No entry found for the passed key in the cache");
_logger.LogInformation("[WLODZIMIERZ.API / Users] Reading from the database: {Name} {@Query}",
nameof(ConversationMessagesQuery), query);
return(await ReadFromDatabase(query, key));
}
}
// Helpers.
private async Task <PaginatedList <ConversationMessageDto> > ReadFromDatabase(ConversationMessagesQuery query,
object key)
{
return(await _context.ConversationMessages
.Where(e => e.OwnerUserId == query.OwnerUserId)
.ProjectTo <ConversationMessageDto>(_mapper.ConfigurationProvider)
.ProjectToPaginatedListAsync(query.PageNumber, query.PageSize)
.Cache(_cache, key));
}
