Revize de12c6be

draggable

re #9741

frontend/src/features/TrackingTool/buildPathVariants.ts

@@ -3 +3 @@
 import { CatalogItemDto, PathDto } from '../../swagger/data-contracts'
 
 // For more comprehensive code alias CatalogItemDto[] as path variant
-export type PathVariant = CatalogItemDto[]
+export type PathVariant = MapPoint[]
 
+export class MapPoint {
+    constructor(
+        public idx: number,
+        public active: boolean,
+        public catalogItem: CatalogItemDto
+    ) { }
+
+    /**
+     * @returns true if the map point is displayable - i.e. it has a valid lat/lng
+     */
+    get displayable() {
+        return !!this.catalogItem.latitude && !!this.catalogItem.longitude
+    }
+}
+
+/**
+ * Cartesian product of two arrays
+ * @param sets
+ * @returns
+ */
 const cartesianProduct = (sets: CatalogItemDto[][]): CatalogItemDto[][] =>
     sets.reduce<CatalogItemDto[][]>(
         (results, ids) =>
@@ -14 +34 @@
         [[]]
     )
 
+/**
+ * Builds a list of all possible path variants from pathDto
+ * @param pathDto
+ * @returns
+ */
 export const buildPathVariants = (pathDto: PathDto): PathVariant[] => {
     if (!pathDto.foundCatalogItems) {
         return []
     }
 
-    const catalogItems = pathDto.foundCatalogItems
-    if (catalogItems.length === 1) {
-        return catalogItems
-    }
-
-    return cartesianProduct(catalogItems)
+    return (
+        pathDto.foundCatalogItems.length === 1
+            ? pathDto.foundCatalogItems
+            : cartesianProduct(pathDto.foundCatalogItems)
+    ).map((variant, _) =>
+        variant.map(
+            (catalogItem, idx) =>
+                new MapPoint(
+                    idx,
+                    !!catalogItem.latitude && !!catalogItem.longitude,
+                    catalogItem
+                )
+        )
+    )
 }
 
 export default buildPathVariants