Merge branch 'main' of https://git.etud.insa-toulouse.fr/ymahe/BE-Graphes-MAHE-MOLL

be-graphes-model/src/main/java/org/insa/graphs/model/Path.java

@@ -2,6 +2,7 @@ package org.insa.graphs.model;
 
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.List;
 import java.util.Iterator;
 
@@ -64,12 +65,20 @@ public class Path {
      * @return A path that goes through the given list of nodes.
      * @throws IllegalArgumentException If the list of nodes is not valid, i.e. two
      *         consecutive nodes in the list are not connected in the graph.
-     * @deprecated Need to be implemented.
      */
     public static Path createShortestPathFromNodes(Graph graph, List<Node> nodes)
             throws IllegalArgumentException {
+    	if (nodes.size() == 0) {
+    		return new Path(graph);
+    	}
+    	if (nodes.size() == 1) {
+    		return new Path(graph, nodes.getFirst());
+    	}
         List<Arc> arcs = new ArrayList<Arc>();
-        // TODO:
+        for (int i=0; i<nodes.size()-1; i++) {
+        	int j = i;
+        	arcs.add(nodes.get(i).getSuccessors().stream().filter(a -> a.getDestination().equals(nodes.get(j+1))).min(Comparator.comparing(Arc::getLength)).orElseThrow(() -> new IllegalArgumentException("Invalid list of nodes")));
+        }
         return new Path(graph, arcs);
     }