add option in get diagram query to instruct the schematic service to …

…save the diagram in a geojson file
DAXGRID · Feb 27, 2021 · ffd8afa · ffd8afa
1 parent 5b394eb
commit ffd8afa
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/OpenFTTH.APIGateway/GraphQL/Schematic/Queries/SchematicQueries.cs b/OpenFTTH.APIGateway/GraphQL/Schematic/Queries/SchematicQueries.cs
@@ -5,6 +5,7 @@
 using OpenFTTH.APIGateway.GraphQL.Schematic.Types;
 using OpenFTTH.CQRS;
 using OpenFTTH.Schematic.API.Queries;
+using OpenFTTH.Schematic.Business.IO;
 using System;
 using System.Linq;
 
@@ -18,7 +19,10 @@ public SchematicQueries(ILogger<SchematicQueries> logger, IQueryDispatcher query
 
             Field<DiagramType>(
                 "buildDiagram",
-                arguments: new QueryArguments(new QueryArgument<NonNullGraphType<IdGraphType>> { Name = "routeNetworkElementId" }),
+                arguments: 
+                new QueryArguments(new QueryArgument<NonNullGraphType<IdGraphType>> { Name = "routeNetworkElementId" },
+                new QueryArgument<StringGraphType> { Name = "exportToGeoJsonFilename" }
+                ),
                 resolve: context =>
                 {
                     if (!Guid.TryParse(context.GetArgument<string>("routeNetworkElementId"), out Guid routeNetworkElementId))
@@ -34,6 +38,15 @@ public SchematicQueries(ILogger<SchematicQueries> logger, IQueryDispatcher query
                         context.Errors.Add(new ExecutionError(getDiagramQueryResult.Errors.First().Message));
                     }
 
+                    // Export to geojson file (for checking in QGIS etc.) if such filename is specified
+                    var jsonFilename = context.GetArgument<string>("exportToGeoJsonFilename");
+
+                    if (jsonFilename != null)
+                    {
+                        var export = new GeoJsonExporter(getDiagramQueryResult.Value.Diagram);
+                        export.Export(jsonFilename);
+                    }
+
                     return getDiagramQueryResult.Value.Diagram;
                 }
            );