v3: add backlinks between dumps (via either dump url or dump target url mentioned through dump description and dump comments)

api/routes/dumps.ts

@@ -28,6 +28,7 @@ import {
   updateDump,
 } from "../services/dump-service.ts";
 import { getDumpVoters } from "../services/vote-service.ts";
+import { getRelatedDumps } from "../services/backlink-service.ts";
 
 const router = new Router({ prefix: "/api/dumps" });
 
@@ -104,6 +105,14 @@ router.get("/:dumpId/voters", async (ctx) => {
   };
 });
 
+router.get("/:dumpId/related", async (ctx) => {
+  const requestingUserId = await parseOptionalAuth(ctx) ?? undefined;
+  const dump = getDump(ctx.params.dumpId, requestingUserId);
+  const related = getRelatedDumps(dump.id, requestingUserId);
+  const responseBody: APIResponse<Dump[]> = { success: true, data: related };
+  ctx.response.body = responseBody;
+});
+
 router.get("/", async (ctx) => {
   const requestingUserId = await parseOptionalAuth(ctx) ?? undefined;
   const { page, limit } = parsePagination(ctx.request.url.searchParams);