basic ad entity without direction

src/modules/geography/infrastructure/default-params-provider.ts

@@ -0,0 +1,13 @@
+import { Injectable } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import { DefaultParamsProviderPort } from '../core/application/ports/default-params-provider.port';
+import { DefaultParams } from '../core/application/types/default-params.type';
+
+@Injectable()
+export class DefaultParamsProvider implements DefaultParamsProviderPort {
+  constructor(private readonly _configService: ConfigService) {}
+  getParams = (): DefaultParams => ({
+    GEOROUTER_TYPE: this._configService.get('GEOROUTER_TYPE'),
+    GEOROUTER_URL: this._configService.get('GEOROUTER_URL'),
+  });
+}

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

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+import { Coordinates } from '../core/application/types/coordinates.type';
+import { DirectionEncoderPort } from '../core/application/ports/direction-encoder.port';
+
+export class PostgresDirectionEncoder implements DirectionEncoderPort {
+  encode = (coordinates: Coordinates[]): string =>
+    [
+      "'LINESTRING(",
+      coordinates.map((point) => [point.lon, point.lat].join(' ')).join(),
+      ")'",
+    ].join('');
+}