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fluxer_app/src/stores/BetaCodeStore.tsx

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+/*
+ * 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 {makeAutoObservable} from 'mobx';
+import {type BetaCode, BetaCodeRecord} from '~/records/BetaCodeRecord';
+
+type FetchStatus = 'idle' | 'pending' | 'success' | 'error';
+
+class BetaCodeStore {
+	betaCodes: Array<BetaCodeRecord> = [];
+	fetchStatus: FetchStatus = 'idle';
+	isCreateError = false;
+	isDeleteError = false;
+	allowance = 3;
+	nextResetAt: Date | null = null;
+
+	constructor() {
+		makeAutoObservable(this, {}, {autoBind: true});
+	}
+
+	fetchPending(): void {
+		this.fetchStatus = 'pending';
+	}
+
+	fetchSuccess(betaCodes: ReadonlyArray<BetaCode>, allowance: number, nextResetAt: string | null): void {
+		this.betaCodes = betaCodes.map((betaCode) => new BetaCodeRecord(betaCode));
+		this.fetchStatus = 'success';
+		this.allowance = allowance;
+		this.nextResetAt = nextResetAt ? new Date(nextResetAt) : null;
+	}
+
+	fetchError(): void {
+		this.fetchStatus = 'error';
+	}
+
+	createPending(): void {
+		this.isCreateError = false;
+	}
+
+	createSuccess(betaCode: BetaCodeRecord): void {
+		this.betaCodes = [...this.betaCodes, betaCode];
+		this.allowance = Math.max(0, this.allowance - 1);
+	}
+
+	createError(): void {
+		this.isCreateError = true;
+	}
+
+	deletePending(): void {
+		this.isDeleteError = false;
+	}
+
+	deleteSuccess(code: string): void {
+		const removed = this.betaCodes.find((betaCode) => betaCode.code === code);
+		this.betaCodes = this.betaCodes.filter((betaCode) => betaCode.code !== code);
+		if (removed && !removed.redeemer) {
+			this.allowance = this.allowance + 1;
+		}
+	}
+
+	deleteError(): void {
+		this.isDeleteError = true;
+	}
+}
+
+export default new BetaCodeStore();