implement shuttle/route resolvers

src/resolvers.ts

@@ -85,6 +85,15 @@ export const resolvers: Resolvers<ServerContext> = {
         id: shuttle.id,
         name: shuttle.name,
       };
+    },
+    shuttles: async (parent, args, contextValue, info) => {
+      const shuttles = await contextValue.repository.getShuttlesBySystemId(parent.id);
+
+      return shuttles.map(shuttle => ({
+        coordinates: shuttle.coordinates,
+        name: shuttle.name,
+        id: shuttle.id,
+      }));
     }
   },
   Route: {
@@ -149,6 +158,20 @@ export const resolvers: Resolvers<ServerContext> = {
       }
 
       return [];
+    },
+    route: async (parent, args, contextValue, info) => {
+      const shuttle = await contextValue.repository.getShuttleById(parent.id);
+      if (shuttle === null) return null;
+
+      const route = await contextValue.repository.getRouteById(shuttle?.routeId);
+      if (route === null) return null;
+
+      return {
+        color: route.color,
+        id: route.id,
+        name: route.name,
+        polylineCoordinates: route.polylineCoordinates,
+      }
     }
   },
   Stop: {