add direction decoder

src/modules/ad/ad.mapper.ts

@@ -112,7 +112,12 @@ export class AdMapper
         driverDistance: record.driverDistance,
         passengerDuration: record.passengerDuration,
         passengerDistance: record.passengerDistance,
-        waypoints: [],
+        waypoints: this.directionEncoder
+          .decode(record.waypoints)
+          .map((coordinates, index) => ({
+            position: index,
+            ...coordinates,
+          })),
         fwdAzimuth: record.fwdAzimuth,
         backAzimuth: record.backAzimuth,
       },

src/modules/ad/tests/unit/ad.mapper.spec.ts

@@ -92,6 +92,16 @@ const mockDirectionEncoder: DirectionEncoderPort = {
       () =>
         "'LINESTRING(6.1765102 48.689445,4.984578 48.725687,2.3522 48.8566)'",
     ),
+  decode: jest.fn().mockImplementation(() => [
+    {
+      lon: 6.1765102,
+      lat: 48.689445,
+    },
+    {
+      lon: 2.3522,
+      lat: 48.8566,
+    },
+  ]),
 };
 
 const mockRouteProvider: RouteProviderPort = {
@@ -161,6 +171,7 @@ describe('Ad Mapper', () => {
     const mapped: AdEntity = adMapper.toDomain(adReadModel);
     expect(mapped.getProps().schedule.length).toBe(1);
     expect(mapped.getProps().schedule[0].time).toBe('07:05');
+    expect(mapped.getProps().waypoints.length).toBe(2);
   });
 
   it('should map domain entity to response', async () => {

src/modules/ad/tests/unit/infrastructure/ad.repository.spec.ts

@@ -16,6 +16,7 @@ const mockMessagePublisher = {
 
 const mockDirectionEncoder: DirectionEncoderPort = {
   encode: jest.fn(),
+  decode: jest.fn(),
 };
 
 const mockRouteProvider: RouteProviderPort = {

src/modules/geography/core/application/ports/direction-encoder.port.ts

@@ -2,4 +2,5 @@ import { Coordinates } from '../types/coordinates.type';
 
 export interface DirectionEncoderPort {
   encode(coordinates: Coordinates[]): string;
+  decode(direction: string): Coordinates[];
 }

src/modules/geography/infrastructure/postgres-direction-encoder.ts

@@ -10,4 +10,14 @@ export class PostgresDirectionEncoder implements DirectionEncoderPort {
       coordinates.map((point) => [point.lon, point.lat].join(' ')).join(),
       ")'",
     ].join('');
+  decode = (direction: string): Coordinates[] =>
+    direction
+      .split('(')[1]
+      .split(')')[0]
+      .split(',')
+      .map((coordinates) => coordinates.split(' '))
+      .map((point) => ({
+        lon: parseFloat(point[0]),
+        lat: parseFloat(point[1]),
+      }));
 }