public async Task <LazyLoadingDataSetResult <GroupItem <TItem> > > GetGroupedTablePageData(
RequestOptions requestOptions,
IReadOnlyCollection <IFilterDefinition> filterDefinitions = null)
{
var dataUri = requestOptions.BuildUrl();
try
{
if (filterDefinitions != null && filterDefinitions.Any())
{
var response = await _httpClient.PostJsonAsync <GroupedItemsDto <TItem> >(dataUri, filterDefinitions);
return(ConvertGroupedItemsDtoToGroupedResult(response));
}
else
{
var response = await _httpClient.GetJsonAsync <GroupedItemsDto <TItem> >(dataUri);
return(ConvertGroupedItemsDtoToGroupedResult(response));
}
}
catch (Exception ex)
{
_logger.LogError($"Error during fetching data from [{dataUri}]. Ex: {ex}");
var emptyResult = new LazyLoadingDataSetResult <GroupItem <TItem> >
{
Items = Enumerable.Empty <GroupItem <TItem> >().ToList()
};
return(emptyResult);
}
}
public Task <LazyLoadingDataSetResult <TItem> > GetTablePageData(
RequestOptions requestOptions,
IReadOnlyCollection <IFilterDefinition> filterDefinitions = null)
{
try
{
var queryable = _queryableSource();
var totalItems = queryable.Count();
if (filterDefinitions != null && filterDefinitions.Any())
{
queryable = queryable.Where(_filterExpressionTreeBuilder.BuildExpressionTree(filterDefinitions));
}
var items = queryable
.ApplySortingToQueryable(requestOptions.SortingOptions)
.ApplyPagingToQueryable(requestOptions.PageableOptions)
.ToList();
var result = new LazyLoadingDataSetResult <TItem> {
Items = items, TotalCount = totalItems
};
return(Task.FromResult(result));
}
catch (Exception ex)
{
_logger.LogError($"Error during fetching data. Ex: {ex}");
var emptyResult = new LazyLoadingDataSetResult <TItem>
{
Items = Enumerable.Empty <TItem>().ToList()
};
return(Task.FromResult(emptyResult));
}
}
public Task <LazyLoadingDataSetResult <TItem> > GetTablePageData(
RequestOptions requestOptions,
IReadOnlyCollection <IFilterDefinition> filterDefinitions = null)
{
var dataUri = requestOptions.BuildUrl();
try
{
if (filterDefinitions != null && filterDefinitions.Any())
{
return(_httpClient.PostJsonAsync <LazyLoadingDataSetResult <TItem> >(dataUri, filterDefinitions));
}
else
{
return(_httpClient.GetJsonAsync <LazyLoadingDataSetResult <TItem> >(dataUri));
}
}
catch (Exception ex)
{
_logger.LogError($"Error during fetching data from [{dataUri}]. Ex: {ex}");
var emptyResult = new LazyLoadingDataSetResult <TItem>
{
Items = Enumerable.Empty <TItem>().ToList()
};
return(Task.FromResult(emptyResult));
}
}
public Task <LazyLoadingDataSetResult <GroupItem <WeatherForecast> > > GetGroupedTablePageData(
RequestOptions requestOptions,
IReadOnlyCollection <IFilterDefinition> filterDefinitions = null)
{
var emptyResult = new LazyLoadingDataSetResult <GroupItem <WeatherForecast> >
{
Items = Enumerable.Empty <GroupItem <WeatherForecast> >().ToList()
};
return(Task.FromResult(emptyResult));
}
private LazyLoadingDataSetResult <GroupItem <TItem> > ConvertGroupedItemsDtoToGroupedResult(GroupedItemsDto <TItem> groupedItemsDto)
{
var result = new LazyLoadingDataSetResult <GroupItem <TItem> >();
result.Items = new List <GroupItem <TItem> >();
result.TotalCount = groupedItemsDto.TotalCount;
foreach (var pair in groupedItemsDto.Items)
{
result.Items.Add(new GroupItem <TItem>(pair.Key, pair.Value));
}
return(result);
}
