public ResultService <IEnumerable <T> > Get(IEnumerable <FilterStatement <T> > filterStatements,
OrderByStatement <T> orderByStatement = null,
string includeProperties = "")
{
try
{
Expression <Func <T, bool> > filters = null;
if (filterStatements != null && filterStatements.Any())
{
var filterService = new FiltersService <T>(filterStatements);
var filtersResult = filterService.BuildExpression();
if (!filtersResult.Success)
{
return(ResultService.Fail <IEnumerable <T> >(filtersResult.ErrorCode));
}
filters = filtersResult.Value as Expression <Func <T, bool> >;
}
Func <IQueryable <T>, IOrderedQueryable <T> > orderBy = null;
if (orderByStatement != null)
{
var orderByService = new OrderByService();
var orderByResult = orderByService.GetOrderBy <T>(orderByStatement);
if (!orderByResult.Success)
{
return(ResultService.Fail <IEnumerable <T> >(orderByResult.ErrorCode));
}
orderBy = orderByResult.Value as Func <IQueryable <T>, IOrderedQueryable <T> >;
}
var result = this._repository.Get(filters, orderBy, includeProperties);
if (result == null)
{
return(ResultService.Fail <IEnumerable <T> >(ErrorCode.NotFound));
}
return(ResultService.Ok <IEnumerable <T> >(result));
}
catch (Exception ex)
{
_log.LogError(ex, "Failed to get objects from DB");
return(ResultService.Fail <IEnumerable <T> >(ex));
}
}
public ResultHandler <IAsyncEnumerable <EventModel> > Get(IEnumerable <FilterStatement <EventModel> > filterStatements,
OrderByStatement <EventModel> orderByStatement = null,
string includeProperties = "")
{
try
{
IEnumerable <Expression <Func <EventModel, bool> > > filters = null;
if (filterStatements != null)
{
var filtersResult = this._filtersService.BuildExpressions(filterStatements);
if (!filtersResult.Success)
{
return(ResultHandler.Fail <IAsyncEnumerable <EventModel> >(filtersResult.ErrorCode));
}
filters = filtersResult.Value;
}
Func <IQueryable <EventModel>, IOrderedQueryable <EventModel> > orderBy = null;
if (orderByStatement != null)
{
var orderByService = new OrderByService();
var orderByResult = orderByService.GetOrderBy <EventModel>(orderByStatement);
if (!orderByResult.Success)
{
return(ResultHandler.Fail <IAsyncEnumerable <EventModel> >(orderByResult.ErrorCode));
}
orderBy = orderByResult.Value as Func <IQueryable <EventModel>, IOrderedQueryable <EventModel> >;
}
IAsyncEnumerable <EventModel> result = this._repository.Get(filters, orderBy, includeProperties);
return(ResultHandler.Ok(result));
}
catch (Exception ex)
{
_log.LogError(ex, "Failed to get objects from DB");
return(ResultHandler.Fail <IAsyncEnumerable <EventModel> >(ex));
}
}