allow to set "maintenance" / "malfunction" for accessory, i.e. will n…

…ot be used in AutoMode : closes #79

railessentials/AutoMode/AutoMode.cs

@@ -310,6 +310,10 @@ private NextRouteInformation CheckForRoutesAndAssign()
                     // has already a destination
                     if (!string.IsNullOrEmpty(itOccBlock.FinalBlock)) continue;
 
+                    //
+                    // the most interesting call is `GetNextRoute(..)` which
+                    // is responsible for selecting the best next journey path
+                    //
                     var nextRoute = GetNextRoute(itOccBlock, out var locomotiveObjectId);
                     if (nextRoute == null) continue;
 
@@ -649,7 +653,7 @@ public Route.Route GetNextRoute(
             if (locData == null) return null;
 
             //
-            // NOTE check of the OCC has waiting long enough for a new start
+            // NOTE check if the OCC has waited long enough for a new start
             // 
             var lastReachedTime = occBlock.ReachedTime;
             var allowedMinimumTime = lastReachedTime.AddSeconds(occBlock.SecondsToWait);
@@ -843,13 +847,20 @@ public Route.Route GetNextRoute(
                 SaveOccAndPromote();
 
                 #endregion (4)
-
             }
             var routesFromFiltered = routesFrom.FilterBy(locDataEcos, locData, _metadata.FeedbacksData);
             var routesFromNotOccupied = routesFromFiltered.FilterNotOccupiedOrLocked(_metadata.Occ);
             if (routesFromNotOccupied.Count == 0) return null;
 
-            var routesNoCross = routesFromNotOccupied.FilterNoCrossingOccupied(_routeList);
+            //
+            // filter routes if any accessory is in "maintenance" mode
+            //
+            var routesNoMaintenance = routesFromNotOccupied.FilterSwitchesMaintenance(_metadata.Metamodel);
+
+            //
+            // filter all routes which cross occupied routes
+            //
+            var routesNoCross = routesNoMaintenance.FilterNoCrossingOccupied(_routeList);
             if (routesNoCross.Count == 0)
             {
                 //

railessentials/Route/RouterListExtensions.cs

@@ -5,7 +5,10 @@
 using System;
 using System.Collections.Generic;
 using ecoslib.Entities;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
 using railessentials.Feedbacks;
+using railessentials.Plan;
 
 namespace railessentials.Route
 {
@@ -159,5 +162,47 @@ public static bool Contains(this RouteList routeList, Route route)
             }
             return false;
         }
+
+        public static RouteList FilterSwitchesMaintenance(
+            this RouteList routeList,
+            JObject metamodel
+            )
+        {
+            if (routeList == null) return routeList;
+            if (routeList.Count == 0) return routeList;
+
+            var planField = metamodel?["planField"] as JObject;
+            if (planField == null) return routeList;
+
+            var res = new RouteList();
+
+            foreach (var it in routeList)
+            {
+                if (it == null) continue;
+
+                var addToResult = true;
+
+                foreach(var itSwitch in it.Switches)
+                {
+                    if (itSwitch == null) continue;
+                    var key = $"{itSwitch.x}x{itSwitch.y}";
+                    if(planField[key] != null)
+                    {
+                        var itemObj = JsonConvert.DeserializeObject<PlanItem>(planField[key].ToString());
+                        if (itemObj == null) continue;
+                        if(itemObj.IsMaintenance)
+                        {
+                            addToResult = false;
+                            break;
+                        }
+                    }
+                }
+
+                if(addToResult)
+                    res.Add(it);
+            }
+
+            return res;
+        }
     }
 }