fix(web): detail row lookup walks all pages of the Site read (#144)

backend/web_test.go

@@ -1881,7 +1881,7 @@ func TestAdminSeriesDetailRendersFacts(t *testing.T) {
 		"SP Baby",
 		"kagane:sp-baby · kagane · manga",
 		"ch 45",
-		"checked 2h0m0s ago",
+		"checked 2h0m",
 		"2 readers",
 	} {
 		if !strings.Contains(body, want) {
@@ -2009,6 +2009,38 @@ func TestAdminSeriesDetailUnknownKey404(t *testing.T) {
 	}
 }
 
+// A Series past the first page of its Site's read (50 rows) must still
+// render: the list shows it, so its detail link may not answer 404. The row
+// lookup walks the window total, not just page 1.
+func TestAdminSeriesDetailBeyondFirstPage(t *testing.T) {
+	router, st := newWebTestServer(t, testConfig())
+	for i := 0; i < 55; i++ {
+		seed(t, st, store.Bookmark{
+			Key: fmt.Sprintf("asura:s%03d", i), Site: "asura", SeriesID: fmt.Sprintf("s%03d", i),
+			Title: "Bulk", SeriesURL: "https://asurascans.com/series/bulk",
+			Kind: "manga",
+		})
+	}
+	// Rows order by (latest_checked_at, site, series_id), all zero stamps, so
+	// "zzz" lands on page 2 behind the fifty-five "s*" rows.
+	seed(t, st, store.Bookmark{
+		Key: "asura:zzz", Site: "asura", SeriesID: "zzz",
+		Title: "Late", SeriesURL: "https://asurascans.com/series/zzz",
+		Kind: "manga",
+	})
+
+	req := httptest.NewRequest(http.MethodGet, "/admin/series/asura:zzz", nil)
+	req.AddCookie(sessionCookie(t, st))
+	rr := httptest.NewRecorder()
+	router.ServeHTTP(rr, req)
+	if rr.Code != http.StatusOK {
+		t.Fatalf("GET /admin/series/asura:zzz status = %d, want 200 for a page-2 row", rr.Code)
+	}
+	if !strings.Contains(rr.Body.String(), "Late") {
+		t.Errorf("page-2 row did not render:\n%s", rr.Body.String())
+	}
+}
+
 // The title and the key line come from the database, so they must render
 // escaped: a title that is markup stays markup in the response, never HTML.
 func TestAdminSeriesDetailEscapesStoredStrings(t *testing.T) {