refactor progress

packages/api/src/limits/LimitMatchContextBuilder.tsx

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import type {User} from '@fluxer/api/src/models/User';
+import {checkIsPremium} from '@fluxer/api/src/user/UserHelpers';
+import type {LimitMatchContext} from '@fluxer/limits/src/LimitTypes';
+
+export function createLimitMatchContext({
+	user,
+	guildFeatures,
+}: {
+	user?: User | null;
+	guildFeatures?: Iterable<string> | null;
+}): LimitMatchContext {
+	const traits = new Set<string>();
+	const traitValues = user?.traits ? Array.from(user.traits) : [];
+	for (const trait of traitValues) {
+		if (trait && trait !== 'premium') traits.add(trait);
+	}
+	if (user && checkIsPremium(user)) {
+		traits.add('premium');
+	}
+	const guildFeatureSet = new Set<string>();
+	if (guildFeatures) {
+		for (const feature of guildFeatures) {
+			if (feature) guildFeatureSet.add(feature);
+		}
+	}
+	return {traits, guildFeatures: guildFeatureSet};
+}