Add seed in response if it was not specified

api/src/models/utils/page.ts

@@ -18,12 +18,17 @@ export const createPage = <T>(
 	{ url, sort, limit }: { url: string; sort: Sort<any, any>; limit: number },
 ) => {
 	let next: string | null = null;
+	const uri = new URL(url);
+
+	if (sort.random) {
+		uri.searchParams.set("sort", `random:${sort.random.seed}`);
+		url = uri.toString();
+	}
 
 	// we can't know for sure if there's a next page when the current page is full.
 	// maybe the next page is empty, this is a bit weird but it allows us to handle pages
 	// without making a new request to the db so it's fine.
 	if (items.length === limit && limit > 0) {
-		const uri = new URL(url);
 		uri.searchParams.set("after", generateAfter(items[items.length - 1], sort));
 		next = uri.toString();
 	}

api/tests/movies/get-all-movies.test.ts

@@ -125,7 +125,7 @@ describe("Get all movies", () => {
 	describe("Random sort", () => {
 		it("No limit, compare order with same seeds", async () => {
 			// First query
-			let [resp1, body1] = await getMovies({
+			const [resp1, body1] = await getMovies({
 				sort: "random:100",
 			});
 			expectStatus(resp1, body1).toBe(200);
@@ -133,7 +133,7 @@ describe("Get all movies", () => {
 			const items1Ids = items1.map(({ id }) => id);
 
 			// Second query
-			let [resp2, body2] = await getMovies({
+			const [resp2, body2] = await getMovies({
 				sort: "random:100",
 			});
 			expectStatus(resp2, body2).toBe(200);
@@ -170,5 +170,21 @@ describe("Get all movies", () => {
 			expect(items.length).toBe(1);
 			expect(items[0].id).toBe(expectedIds[1]);
 		});
+		it("Limit 1, pages 1 and 2, no seed ", async () => {
+			const [resp, body] = await getMovies({
+				sort: "random",
+				limit: 2,
+			});
+			expectStatus(resp, body).toBe(200);
+
+			const resp2 = await movieApp.handle(new Request(body.next));
+			const body2 = await resp2.json();
+			expectStatus(resp2, body).toBe(200);
+
+			expect(body2.items.length).toBe(1);
+			expect(body.items.map((x: Movie) => x.slug)).not.toContain(
+				body2.items[0].slug,
+			);
+		});
 	});
 });