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feat: add student wallet utility billing

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wangziqi
2026-07-14 20:39:32 +08:00
parent b480070e69
commit c75a08affe
29 changed files with 986 additions and 548 deletions
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44
apps/server/src/database/database-migrations.service.ts
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@@ -11,6 +11,7 @@ export class DatabaseMigrationsService implements OnApplicationBootstrap {
async onApplicationBootstrap(): Promise<void> {
await this.ensureAiConfigTable();
await this.ensureCourseAttendanceSchema();
await this.ensureStudentWalletSchema();
await this.backfillOrganizations();
await this.normalizeClassDates();
await this.protectAttendanceHistory();
@@ -21,6 +22,49 @@ export class DatabaseMigrationsService implements OnApplicationBootstrap {
await this.normalizeClassroomStatuses();
}
private async ensureStudentWalletSchema(): Promise<void> {
const runner = this.dataSource.createQueryRunner();
await runner.connect();
try {
const isMySQL = this.dataSource.options.type === 'mysql';
const pk = isMySQL ? 'INTEGER PRIMARY KEY AUTO_INCREMENT' : 'INTEGER PRIMARY KEY AUTOINCREMENT';
await runner.query(`CREATE TABLE IF NOT EXISTS student_wallets (
id ${pk}, student_id INTEGER NOT NULL UNIQUE, balance DECIMAL(12,2) NOT NULL DEFAULT 0,
created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
)`);
await runner.query(`CREATE TABLE IF NOT EXISTS wallet_transactions (
id ${pk}, student_id INTEGER NOT NULL, bill_id INTEGER, type VARCHAR(30) NOT NULL,
amount DECIMAL(12,2) NOT NULL, balance_after DECIMAL(12,2) NOT NULL,
description VARCHAR(300), recorded_by INTEGER,
created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
)`);
const bills = await runner.getTable('bills');
if (bills) {
const columns = new Set(bills.columns.map((column) => column.name));
const additions = [
['source', "VARCHAR(30) NOT NULL DEFAULT 'batch'"],
['paid_amount', 'DECIMAL(10,2) NOT NULL DEFAULT 0'],
['outstanding_amount', 'DECIMAL(10,2) NOT NULL DEFAULT 0'],
['cancelled_at', 'DATETIME'],
['cancel_reason', 'VARCHAR(300)'],
];
for (const [name, definition] of additions) {
if (!columns.has(name)) await runner.query(`ALTER TABLE bills ADD COLUMN ${name} ${definition}`);
}
await runner.query("UPDATE bills SET outstanding_amount = total_amount WHERE outstanding_amount = 0 AND status <> 'paid'");
await runner.query("UPDATE bills SET paid_amount = total_amount, outstanding_amount = 0 WHERE status = 'paid'");
await runner.query("UPDATE bills SET status = 'unpaid' WHERE status IN ('draft', 'confirmed')");
}
const personalExpenses = await runner.getTable('personal_expenses');
if (personalExpenses && !personalExpenses.columns.some((column) => column.name === 'bill_id')) {
await runner.query('ALTER TABLE personal_expenses ADD COLUMN bill_id INTEGER');
}
} finally {
await runner.release();
}
}
private async removeUnusedClassroomColumns(): Promise<void> {
const runner = this.dataSource.createQueryRunner();
await runner.connect();