updates

front/js/svelte/records/elements/reference.js

@@ -0,0 +1,23 @@
+import {uniqBy} from "lodash";
+
+export function insertEdges(graph, sourceRecord, targetRecords, fieldName, action = "") {
+    let newEdges = targetRecords.map((r) => {
+        return {
+            target: r.id,
+            source: sourceRecord.id,
+            sourceSchema: sourceRecord.schema,
+            targetSchema: r.schema,
+            field: fieldName,
+            rank: ""
+        };
+    });
+
+    let replacedEdges = graph.edges;
+    if (action === "replace") {
+        replacedEdges = replacedEdges.filter((edge) => edge.field !== field.name);
+    }
+
+    graph.records = uniqBy([...graph.records, ...targetRecords], (r) => r.id);
+    graph.edges = uniqBy([...replacedEdges, ...newEdges], (edge) =>  edge.source +  edge.target + edge.field);
+    return graph;
+}