refactor progress

packages/limits/src/LimitEvaluator.tsx

@@ -0,0 +1,60 @@
+/*
+ * 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 {LimitKey} from '@fluxer/constants/src/LimitConfigMetadata';
+import type {ILimitEvaluator} from '@fluxer/limits/src/ILimitEvaluator';
+import {DEFAULT_FREE_LIMITS} from '@fluxer/limits/src/LimitDefaults';
+import {applyRuleToResolvedLimits, ruleMatches, sortRulesBySpecificity} from '@fluxer/limits/src/LimitRuleRuntime';
+import type {
+	LimitConfigSnapshot,
+	LimitEvaluationOptions,
+	LimitEvaluationResult,
+	LimitMatchContext,
+	LimitRule,
+} from '@fluxer/limits/src/LimitTypes';
+
+export class LimitEvaluator implements ILimitEvaluator {
+	private readonly sortedRules: Array<LimitRule>;
+
+	constructor(snapshot: LimitConfigSnapshot) {
+		this.sortedRules = sortRulesBySpecificity(snapshot.rules);
+	}
+
+	resolveAll(ctx: LimitMatchContext, options?: LimitEvaluationOptions): LimitEvaluationResult {
+		const evaluationContext = options?.evaluationContext ?? 'user';
+		const baseLimits = options?.baseLimits ?? DEFAULT_FREE_LIMITS;
+		const resolvedLimits = {...baseLimits};
+
+		for (const rule of this.sortedRules) {
+			if (!ruleMatches(rule.filters, ctx)) {
+				continue;
+			}
+
+			applyRuleToResolvedLimits(resolvedLimits, rule, evaluationContext);
+		}
+
+		return {
+			limits: resolvedLimits,
+		};
+	}
+
+	resolveOne(ctx: LimitMatchContext, key: LimitKey, options?: LimitEvaluationOptions): number {
+		return this.resolveAll(ctx, options).limits[key];
+	}
+}