private GraphContainer <TNodeId, TNodeData, TEdgeId, TEdgeData> GetGraphByFilter(
string[] nodeFilter = null,
string[] edgeFilter = null,
Pagination nodePagination = null,
Pagination edgePagination = null
)
{
// var nodes = _nodeService.GetNodesByFilter(nodeFilter, nodePagination).ToList();
var edges = _edgeService.GetEdgesByFilter(edgeFilter, edgePagination).ToHashSet();
var filteredNodes = _nodeService.GetNodesByFilter(nodeFilter, nodePagination).ToHashSet();
var filteredNodesIds = filteredNodes.Select(fn => fn.Id).ToHashSet();
var sourceTargetNodeIds = edges.SelectMany(edge => new TNodeId[] { edge.Source, edge.Target }).ToHashSet();
var sourceTargetNodes = _nodeService.GetNodesById(sourceTargetNodeIds.ToArray());
var allNodeIds = filteredNodesIds.Intersect(sourceTargetNodeIds).ToHashSet();
var allNodes = filteredNodes.Intersect(sourceTargetNodes).ToHashSet();
edges = edges.Where(
e => allNodeIds.Contains(e.Source) && allNodeIds.Contains(e.Target))
.ToHashSet();
return(new GraphContainer <TNodeId, TNodeData, TEdgeId, TEdgeData>(
allNodes.ToList(),
edges.ToList()
));
}
public IActionResult GetEdgesByFilter([FromQuery] Pagination pagination, [FromQuery] string[] filter)
{
if (pagination != null && pagination.PageIndex == 0 && pagination.PageSize == 0)
{
return(Ok(_edgeService.GetEdgesByFilter(filter, null)));
}
return(Ok(_edgeService.GetEdgesByFilter(filter, pagination)));
}