Implement emote gallery model method and refactor view to use it

twitch/views.py

@@ -269,31 +269,7 @@ def emote_gallery_view(request: HttpRequest) -> HttpResponse:
     Returns:
         HttpResponse: The rendered emote gallery page.
     """
-    emote_benefits: QuerySet[DropBenefit, DropBenefit] = (
-        DropBenefit.objects
-        .filter(distribution_type="EMOTE")
-        .select_related()
-        .prefetch_related(
-            Prefetch(
-                "drops",
-                queryset=TimeBasedDrop.objects.select_related("campaign"),
-                to_attr="_emote_drops",
-            ),
-        )
-    )
-
-    emotes: list[dict[str, str | DropCampaign]] = []
-    for benefit in emote_benefits:
-        # Find the first drop with a campaign for this benefit
-        drop: TimeBasedDrop | None = next(
-            (d for d in getattr(benefit, "_emote_drops", []) if d.campaign),
-            None,
-        )
-        if drop and drop.campaign:
-            emotes.append({
-                "image_url": benefit.image_best_url,
-                "campaign": drop.campaign,
-            })
+    emotes: list[dict[str, str | DropCampaign]] = DropBenefit.emotes_for_gallery()
 
     seo_context: dict[str, Any] = _build_seo_context(
         page_title="Twitch Emotes",