Files
gongxue-base/apps/server/src/database/database-migrations.service.ts

818 lines
33 KiB
TypeScript

import { Injectable, Logger, OnApplicationBootstrap } from '@nestjs/common';
import { DataSource, QueryRunner } from 'typeorm';
import { uuidV7 } from '../common/uuid-v7';
@Injectable()
export class DatabaseMigrationsService implements OnApplicationBootstrap {
private readonly logger = new Logger(DatabaseMigrationsService.name);
constructor(private readonly dataSource: DataSource) {}
async onApplicationBootstrap(): Promise<void> {
await this.ensureAiConfigTable();
await this.ensureSyncStateLeaseColumns();
await this.ensureCourseAttendanceSchema();
await this.ensureAttendanceDevicesSchema();
await this.ensureStudentWalletSchema();
await this.backfillOrganizations();
await this.normalizeClassDates();
await this.protectAttendanceHistory();
await this.removeUnusedClassroomColumns();
await this.removeUnusedRoomColumns();
await this.cleanupDepositRefundColumns();
await this.removeUnusedClassStudentColumns();
await this.normalizeClassroomStatuses();
}
private async ensureSyncStateLeaseColumns(): Promise<void> {
const runner = this.dataSource.createQueryRunner();
await runner.connect();
try {
const table = await runner.getTable('sync_state');
if (!table) return;
const columns = new Set(table.columns.map((column) => column.name));
if (!columns.has('run_id')) {
await runner.query('ALTER TABLE sync_state ADD COLUMN run_id VARCHAR(64)');
}
if (!columns.has('running_since')) {
await runner.query('ALTER TABLE sync_state ADD COLUMN running_since DATETIME');
}
} finally {
await runner.release();
}
}
private async ensureAttendanceDevicesSchema(): 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 attendance_devices (
id ${pk},
device_sn VARCHAR(100) NOT NULL,
device_name VARCHAR(100) NOT NULL,
classroom_id INTEGER NOT NULL,
status VARCHAR(20) NOT NULL DEFAULT 'active',
location VARCHAR(200),
notes TEXT,
created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
)`);
const table = await runner.getTable('attendance_devices');
const columnNames = new Set(table?.columns.map((column) => column.name) ?? []);
const additions: Array<[string, string]> = [
['device_sn', 'VARCHAR(100) NOT NULL DEFAULT \'\''],
['device_name', 'VARCHAR(100) NOT NULL DEFAULT \'\''],
['classroom_id', 'INTEGER NOT NULL DEFAULT 0'],
['status', "VARCHAR(20) NOT NULL DEFAULT 'active'"],
['location', 'VARCHAR(200)'],
['notes', 'TEXT'],
['created_at', 'DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP'],
['updated_at', 'DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP'],
];
for (const [name, definition] of additions) {
if (!columnNames.has(name)) await runner.query(`ALTER TABLE attendance_devices ADD COLUMN ${name} ${definition}`);
}
const refreshed = await runner.getTable('attendance_devices');
const createIndex = async (sql: string) => {
try {
await runner.query(sql);
} catch {
// Existing MySQL indexes cannot use IF NOT EXISTS; startup must stay idempotent.
}
};
const uniqueSn = refreshed?.indices.some((index) => index.columnNames.length === 1 && index.columnNames[0] === 'device_sn' && index.isUnique);
if (!uniqueSn) {
await createIndex(
isMySQL
? 'CREATE UNIQUE INDEX idx_attendance_devices_device_sn ON attendance_devices (device_sn)'
: 'CREATE UNIQUE INDEX IF NOT EXISTS idx_attendance_devices_device_sn ON attendance_devices (device_sn)',
);
}
await createIndex(
isMySQL
? 'CREATE INDEX idx_attendance_devices_classroom_id ON attendance_devices (classroom_id)'
: 'CREATE INDEX IF NOT EXISTS idx_attendance_devices_classroom_id ON attendance_devices (classroom_id)',
);
} finally {
await runner.release();
}
}
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
)`);
await runner.query(`CREATE TABLE IF NOT EXISTS financial_operations (
id ${pk}, operation_id VARCHAR(64) NOT NULL UNIQUE, type VARCHAR(64) NOT NULL,
status VARCHAR(20) NOT NULL DEFAULT 'running', result_json TEXT, error_message VARCHAR(500),
created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
)`);
const walletTransactions = await runner.getTable('wallet_transactions');
if (walletTransactions) {
const columns = new Set(walletTransactions.columns.map((column) => column.name));
if (!columns.has('operation_id')) {
await runner.query('ALTER TABLE wallet_transactions ADD COLUMN operation_id VARCHAR(64)');
}
}
const billItems = await runner.getTable('bill_items');
if (billItems) {
const columns = new Set(billItems.columns.map((column) => column.name));
for (const [name, definition] of [
['room_expense_id', 'INTEGER'],
['personal_expense_id', 'INTEGER'],
]) {
if (!columns.has(name)) await runner.query(`ALTER TABLE bill_items ADD COLUMN ${name} ${definition}`);
}
}
const roomExpenses = await runner.getTable('room_expenses');
if (roomExpenses) {
const columns = new Set(roomExpenses.columns.map((column) => column.name));
if (!columns.has('import_key')) {
await runner.query('ALTER TABLE room_expenses ADD COLUMN import_key VARCHAR(120)');
}
const refreshedRoomExpenses = await runner.getTable('room_expenses');
const hasImportKey = refreshedRoomExpenses?.indices.some((index) =>
index.isUnique && index.columnNames.length === 1 && index.columnNames[0] === 'import_key');
if (!hasImportKey) {
await runner.query(isMySQL
? 'CREATE UNIQUE INDEX idx_room_expenses_import_key ON room_expenses (import_key)'
: 'CREATE UNIQUE INDEX IF NOT EXISTS idx_room_expenses_import_key ON room_expenses (import_key)');
}
}
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();
try {
const tables = await runner.getTables(['classrooms']);
if (tables.length === 0) return;
const table = await runner.getTable('classrooms');
const columnNames = new Set(table?.columns.map((column) => column.name) ?? []);
for (const columnName of ['course_type', 'supervisor']) {
if (columnNames.has(columnName)) {
await runner.query(`ALTER TABLE classrooms DROP COLUMN ${columnName}`);
}
}
} finally {
await runner.release();
}
}
private async removeUnusedRoomColumns(): Promise<void> {
const runner = this.dataSource.createQueryRunner();
await runner.connect();
try {
const tables = await runner.getTables(['rooms']);
if (tables.length === 0) return;
const table = await runner.getTable('rooms');
if (table?.columns.some((column) => column.name === 'gender')) {
await runner.dropColumn('rooms', 'gender');
}
} finally {
await runner.release();
}
}
private async cleanupDepositRefundColumns(): Promise<void> {
const runner = this.dataSource.createQueryRunner();
await runner.connect();
try {
const tables = await runner.getTables(['deposits']);
if (tables.length === 0) return;
const table = await runner.getTable('deposits');
const columnNames = new Set(table?.columns.map((column) => column.name) ?? []);
for (const [legacyName, currentName] of [
['refund_approved_by', 'refunded_by'],
['refund_approved_at', 'refunded_at'],
] as const) {
if (!columnNames.has(legacyName)) continue;
if (columnNames.has(currentName)) {
await runner.query(
`UPDATE deposits SET ${currentName} = COALESCE(${currentName}, ${legacyName})`,
);
await runner.dropColumn('deposits', legacyName);
} else {
await runner.renameColumn('deposits', legacyName, currentName);
columnNames.add(currentName);
}
columnNames.delete(legacyName);
}
for (const columnName of ['refund_status', 'refund_requested_at', 'refund_rejected_reason']) {
if (columnNames.has(columnName)) {
await runner.dropColumn('deposits', columnName);
columnNames.delete(columnName);
}
}
} finally {
await runner.release();
}
}
private async removeUnusedClassStudentColumns(): Promise<void> {
const runner = this.dataSource.createQueryRunner();
await runner.connect();
try {
const tables = await runner.getTables(['class_student']);
if (tables.length === 0) return;
const table = await runner.getTable('class_student');
if (table?.columns.some((column) => column.name === 'enrollment_id')) {
await runner.dropColumn('class_student', 'enrollment_id');
}
} finally {
await runner.release();
}
}
private async normalizeClassroomStatuses(): Promise<void> {
const runner = this.dataSource.createQueryRunner();
await runner.connect();
try {
const tables = await runner.getTables(['classrooms']);
if (tables.length === 0) return;
await runner.query(`
UPDATE classrooms
SET status = 'available'
WHERE status IS NULL OR status NOT IN ('available', 'maintenance', 'archived')
`);
} finally {
await runner.release();
}
}
private async ensureAiConfigTable(): Promise<void> {
const runner = this.dataSource.createQueryRunner();
await runner.connect();
try {
const tables = await runner.getTables(['ai_config']);
const isMySQL = this.dataSource.options.type === 'mysql';
if (tables.length === 0) {
const pkDef = isMySQL
? 'id INTEGER PRIMARY KEY AUTO_INCREMENT'
: 'id INTEGER PRIMARY KEY AUTOINCREMENT';
const boolType = isMySQL ? 'TINYINT(1)' : 'BOOLEAN';
const datetimeFn = isMySQL ? 'CURRENT_TIMESTAMP' : 'CURRENT_TIMESTAMP';
await runner.query(`
CREATE TABLE ai_config (
${pkDef},
singleton_key VARCHAR(20) NOT NULL DEFAULT 'GLOBAL',
provider VARCHAR(50) NOT NULL DEFAULT 'OPENAI',
base_url VARCHAR(500),
encrypted_api_key TEXT,
api_key_iv VARCHAR(50),
api_key_auth_tag VARCHAR(50),
key_last4 VARCHAR(4),
default_model VARCHAR(100),
enabled ${boolType} DEFAULT 0,
timeout_ms INT DEFAULT 30000,
verified ${boolType} DEFAULT 0,
last_tested_at DATETIME,
last_test_latency_ms INT,
created_at DATETIME NOT NULL DEFAULT ${datetimeFn},
updated_at DATETIME NOT NULL DEFAULT ${datetimeFn}
)
`);
if (isMySQL) {
try {
await runner.query(
'CREATE UNIQUE INDEX uq_ai_config_singleton ON ai_config(singleton_key)',
);
} catch {
// Index may already exist; MySQL has no IF NOT EXISTS for indexes
}
} else {
await runner.query(
'CREATE UNIQUE INDEX IF NOT EXISTS uq_ai_config_singleton ON ai_config(singleton_key)',
);
}
this.logger.log('已创建 ai_config 表');
} else {
// Check for missing columns
const table = await runner.getTable('ai_config');
const columnNames = new Set(table?.columns.map((c) => c.name) ?? []);
const desiredColumns: Array<{ name: string; def: string }> = [
{ name: 'id', def: '' }, // skip — primary key
{ name: 'singleton_key', def: "VARCHAR(20) NOT NULL DEFAULT 'GLOBAL'" },
{ name: 'provider', def: "VARCHAR(50) NOT NULL DEFAULT 'OPENAI'" },
{ name: 'base_url', def: 'VARCHAR(500)' },
{ name: 'encrypted_api_key', def: 'TEXT' },
{ name: 'api_key_iv', def: 'VARCHAR(50)' },
{ name: 'api_key_auth_tag', def: 'VARCHAR(50)' },
{ name: 'key_last4', def: 'VARCHAR(4)' },
{ name: 'default_model', def: 'VARCHAR(100)' },
{ name: 'enabled', def: isMySQL ? 'TINYINT(1) DEFAULT 0' : 'BOOLEAN DEFAULT 0' },
{ name: 'timeout_ms', def: 'INT DEFAULT 30000' },
{ name: 'verified', def: isMySQL ? 'TINYINT(1) DEFAULT 0' : 'BOOLEAN DEFAULT 0' },
{ name: 'last_tested_at', def: 'DATETIME' },
{ name: 'last_test_latency_ms', def: 'INT' },
{ name: 'created_at', def: 'DATETIME' },
{ name: 'updated_at', def: 'DATETIME' },
];
for (const col of desiredColumns) {
if (col.def && !columnNames.has(col.name)) {
await runner.query(`ALTER TABLE ai_config ADD COLUMN ${col.name} ${col.def}`);
this.logger.log(`已为 ai_config 表添加列: ${col.name}`);
}
}
}
} finally {
await runner.release();
}
}
private async ensureCourseAttendanceSchema(): Promise<void> {
const runner = this.dataSource.createQueryRunner();
await runner.connect();
try {
const tables = await runner.getTables([
'class_schedule',
'attendance_records',
'attendance_sessions',
]);
const tableNames = new Set(tables.map((table) => table.name));
const isMySQL = this.dataSource.options.type === 'mysql';
if (!tableNames.has('attendance_sessions')) {
const pkDef = isMySQL
? 'id INTEGER PRIMARY KEY AUTO_INCREMENT'
: 'id INTEGER PRIMARY KEY AUTOINCREMENT';
await runner.query(`
CREATE TABLE attendance_sessions (
${pkDef},
schedule_id INTEGER NOT NULL,
class_id INTEGER NOT NULL,
lesson_date DATE NOT NULL,
status VARCHAR(20) NOT NULL DEFAULT 'in_progress',
started_by INTEGER,
started_at DATETIME,
completed_by INTEGER,
completed_at DATETIME,
created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (schedule_id) REFERENCES class_schedule(id) ON DELETE RESTRICT,
FOREIGN KEY (class_id) REFERENCES classes(id) ON DELETE RESTRICT
)
`);
}
if (tableNames.has('class_schedule')) {
const scheduleTable = await runner.getTable('class_schedule');
const scheduleColumns = new Set(scheduleTable?.columns.map((column) => column.name) ?? []);
if (!scheduleColumns.has('attendance_advance_minutes')) {
await runner.query(
'ALTER TABLE class_schedule ADD COLUMN attendance_advance_minutes INTEGER NOT NULL DEFAULT 30',
);
this.logger.log('已为排课添加课前签到分钟配置');
}
}
const attendanceTable = await runner.getTable('attendance_records');
const columnNames = new Set(attendanceTable?.columns.map((column) => column.name) ?? []);
if (!columnNames.has('schedule_id')) {
await runner.query('ALTER TABLE attendance_records ADD COLUMN schedule_id INTEGER');
}
if (!columnNames.has('attendance_session_id')) {
await runner.query(
'ALTER TABLE attendance_records ADD COLUMN attendance_session_id INTEGER',
);
}
const createIndex = async (sql: string) => {
try {
await runner.query(sql);
} catch {
// Existing MySQL indexes cannot use IF NOT EXISTS; startup must stay idempotent.
}
};
await createIndex(
isMySQL
? 'CREATE UNIQUE INDEX uq_attendance_session_schedule_date ON attendance_sessions(schedule_id, lesson_date)'
: 'CREATE UNIQUE INDEX IF NOT EXISTS uq_attendance_session_schedule_date ON attendance_sessions(schedule_id, lesson_date)',
);
await createIndex(
isMySQL
? 'CREATE UNIQUE INDEX uq_attendance_session_student ON attendance_records(attendance_session_id, student_id)'
: 'CREATE UNIQUE INDEX IF NOT EXISTS uq_attendance_session_student ON attendance_records(attendance_session_id, student_id)',
);
} finally {
await runner.release();
}
}
private async backfillOrganizations(): Promise<void> {
const runner = this.dataSource.createQueryRunner();
await runner.connect();
try {
const tables = await runner.getTables([
'tenants',
'organizations',
'students',
'occupancies',
'classroom_rentals',
]);
const tableNames = new Set(tables.map((table) => table.name));
if (!tableNames.has('organizations')) return;
const organizationRows = () =>
runner.query('SELECT * FROM organizations WHERE is_host = 1 LIMIT 1');
let host = (await organizationRows())[0];
if (!host) {
await runner.query(
`INSERT INTO organizations (public_id, code, name, is_host, color, notes, status, created_at, updated_at)
VALUES (?, ?, ?, ?, ?, ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)`,
[
uuidV7(),
'HOST',
process.env.HOST_ORGANIZATION_NAME || '本机构',
1,
'#1677ff',
'系统默认运营主体',
'active',
],
);
host = (await organizationRows())[0];
}
if (!host) return;
if (tableNames.has('tenants')) {
const legacyTenants: Array<Record<string, unknown>> =
await runner.query('SELECT * FROM tenants');
for (const legacy of legacyTenants) {
const name = String(legacy.name || '').trim();
if (!name) continue;
let external = (
await runner.query('SELECT * FROM organizations WHERE name = ? LIMIT 1', [name])
)[0];
if (!external) {
await runner.query(
`INSERT INTO organizations (public_id, code, name, is_host, contact_name, phone, color, notes, status, created_at, updated_at)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)`,
[
uuidV7(),
`ORG_${legacy.id}`,
name,
0,
legacy.contact || null,
legacy.phone || null,
legacy.color || null,
legacy.notes || null,
legacy.status || 'active',
],
);
external = (
await runner.query('SELECT * FROM organizations WHERE name = ? LIMIT 1', [name])
)[0];
}
if (!external) continue;
if (tableNames.has('students')) {
await runner
.query(
'UPDATE students SET organization_id = ? WHERE organization_id IS NULL AND tenant_id = ?',
[external.id, legacy.id],
)
.catch(() => undefined);
}
if (tableNames.has('occupancies')) {
await runner
.query(
'UPDATE occupancies SET responsible_organization_id = ? WHERE responsible_organization_id IS NULL AND tenant_id = ?',
[external.id, legacy.id],
)
.catch(() => undefined);
}
if (tableNames.has('classroom_rentals')) {
await runner
.query(
'UPDATE classroom_rentals SET lessee_organization_id = ?, lessor_organization_id = ? WHERE lessee_organization_id IS NULL AND tenant_id = ?',
[external.id, host.id, legacy.id],
)
.catch(() => undefined);
}
}
}
if (tableNames.has('students')) {
await runner.query(
'UPDATE students SET organization_id = ? WHERE organization_id IS NULL',
[host.id],
);
}
if (tableNames.has('occupancies')) {
await runner.query(
`UPDATE occupancies
SET responsible_organization_id = COALESCE(
(SELECT organization_id FROM students WHERE students.id = occupancies.student_id), ?
)
WHERE responsible_organization_id IS NULL`,
[host.id],
);
}
if (tableNames.has('classroom_rentals')) {
await runner.query(
'UPDATE classroom_rentals SET lessor_organization_id = ? WHERE lessor_organization_id IS NULL',
[host.id],
);
}
} finally {
await runner.release();
}
}
private async normalizeClassDates(): Promise<void> {
const driver = this.dataSource.options.type;
let columns: Array<'start_date' | 'end_date'> = ['start_date', 'end_date'];
const runner = this.dataSource.createQueryRunner();
await runner.connect();
try {
const table = await runner.getTable('classes');
if (!table) return;
// Fresh MySQL schemas created by TypeORM already use native DATE columns.
// This cleanup is only for legacy schemas that stored dates as strings;
// comparing a native DATE column with '' raises ER_TRUNCATED_WRONG_VALUE
// in strict SQL mode.
if (driver === 'mysql') {
columns = columns.filter((columnName) => {
const column = table.columns.find((item) => item.name === columnName);
const type = String(column?.type ?? '').toLowerCase();
return !['date', 'datetime', 'timestamp'].includes(type);
});
if (columns.length === 0) return;
}
} finally {
await runner.release();
}
const columnText = (column: string) =>
driver === 'mysql' ? `CAST(${column} AS CHAR)` : column;
const firstTenChars = (column: string) =>
driver === 'mysql'
? `NULLIF(LEFT(${columnText(column)}, 10), '')`
: `NULLIF(substr(${column}, 1, 10), '')`;
const normalizedDate = (column: string) => `CASE
WHEN ${column} IS NULL THEN NULL
ELSE ${firstTenChars(column)}
END`;
const lengthFunction = driver === 'mysql' ? 'CHAR_LENGTH' : 'length';
const needsNormalization = (column: string) => `(
${column} IS NOT NULL
AND (${columnText(column)} = '' OR ${lengthFunction}(${columnText(column)}) > 10)
)`;
const assignments = columns
.map((column) => `${column} = ${normalizedDate(column)}`)
.join(',\n ');
const predicates = columns.map((column) => needsNormalization(column)).join('\n OR ');
const result = await this.dataSource.transaction((manager) =>
manager.query(`
UPDATE classes
SET
${assignments}
WHERE
${predicates}
`),
);
const affected = typeof result?.changes === 'number' ? result.changes : result?.affectedRows;
if (affected) this.logger.log(`已规范化 ${affected} 条班级日期数据`);
}
private async protectAttendanceHistory(): Promise<void> {
const runner = this.dataSource.createQueryRunner();
await runner.connect();
try {
const tables = await runner.getTables(['attendance_sessions']);
if (tables.length === 0) return;
const isMySQL = this.dataSource.options.type === 'mysql';
if (isMySQL) {
await this.migrateMySQLAttendanceFKs(runner);
} else {
await this.migrateSQLiteAttendanceFKs(runner);
}
} finally {
await runner.release();
}
}
private async migrateMySQLAttendanceFKs(runner: QueryRunner): Promise<void> {
// Drop any existing FK constraint on schedule_id or class_id
const fkColumns = ['schedule_id', 'class_id'];
for (const col of fkColumns) {
const fkRows: { CONSTRAINT_NAME: string }[] = await runner.query(
`
SELECT CONSTRAINT_NAME
FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE TABLE_SCHEMA = DATABASE()
AND TABLE_NAME = 'attendance_sessions'
AND COLUMN_NAME = ?
AND REFERENCED_TABLE_NAME IS NOT NULL
`,
[col],
);
for (const row of fkRows) {
try {
await runner.query(
`ALTER TABLE attendance_sessions DROP FOREIGN KEY \`${row.CONSTRAINT_NAME}\``,
);
this.logger.log(`已移除考勤场次 FK 约束: ${row.CONSTRAINT_NAME}`);
} catch {
// constraint may have already been dropped
}
}
}
const constraints: Array<{ name: string; col: string; ref: string }> = [
{ name: 'fk_as_schedule_protect', col: 'schedule_id', ref: 'class_schedule(id)' },
{ name: 'fk_as_class_protect', col: 'class_id', ref: 'classes(id)' },
];
for (const c of constraints) {
// Only skip if RESTRICT constraint is already confirmed via information_schema
const existing: Array<{ DELETE_RULE: string }> = await runner.query(
`
SELECT DELETE_RULE
FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
WHERE CONSTRAINT_SCHEMA = DATABASE()
AND TABLE_NAME = 'attendance_sessions'
AND CONSTRAINT_NAME = ?
`,
[c.name],
);
if (existing.length > 0 && existing[0].DELETE_RULE === 'RESTRICT') {
this.logger.log(`考勤场次删除保护约束已存在: ${c.name}`);
continue;
}
// ADD RESTRICT must throw on failure — no catch
await runner.query(`
ALTER TABLE attendance_sessions
ADD CONSTRAINT ${c.name}
FOREIGN KEY (${c.col}) REFERENCES ${c.ref}
ON DELETE RESTRICT
`);
this.logger.log(`已添加考勤场次删除保护约束: ${c.name}`);
}
}
private async migrateSQLiteAttendanceFKs(runner: QueryRunner): Promise<void> {
// SQLite cannot ALTER TABLE to add foreign keys.
// Rebuild the table inside a transaction: create a new table with FK constraints,
// copy all rows, drop old, rename new, then recreate indexes.
const fkRows: Array<{ id: number }> = await runner.query(
"PRAGMA foreign_key_list('attendance_sessions')",
);
if (fkRows.length > 0) return; // FKs already present
this.logger.log('正在重建 attendance_sessions 表以添加外键保护…');
// PRAGMA foreign_keys=OFF must be issued outside the transaction
await runner.query('PRAGMA foreign_keys = OFF');
try {
await runner.query('BEGIN');
try {
await runner.query(`
CREATE TABLE attendance_sessions_new (
id INTEGER PRIMARY KEY AUTOINCREMENT,
schedule_id INTEGER NOT NULL,
class_id INTEGER NOT NULL,
lesson_date DATE NOT NULL,
status VARCHAR(20) NOT NULL DEFAULT 'in_progress',
started_by INTEGER,
started_at DATETIME,
completed_by INTEGER,
completed_at DATETIME,
created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (schedule_id) REFERENCES class_schedule(id) ON DELETE RESTRICT,
FOREIGN KEY (class_id) REFERENCES classes(id) ON DELETE RESTRICT
)
`);
await runner.query(`
INSERT INTO attendance_sessions_new (
id, schedule_id, class_id, lesson_date, status,
started_by, started_at, completed_by, completed_at, created_at, updated_at
)
SELECT
id, schedule_id, class_id, lesson_date, status,
started_by, started_at, completed_by, completed_at, created_at, updated_at
FROM attendance_sessions
`);
await runner.query('DROP TABLE attendance_sessions');
await runner.query('ALTER TABLE attendance_sessions_new RENAME TO attendance_sessions');
await runner.query(
'CREATE UNIQUE INDEX IF NOT EXISTS uq_attendance_session_schedule_date ON attendance_sessions(schedule_id, lesson_date)',
);
// Rebuild attendance_records to add/protect FK on attendance_session_id
const recordsFk = await runner.query("PRAGMA foreign_key_list('attendance_records')");
const hasSessionFk = recordsFk.some(
(r: { from: string }) => r.from === 'attendance_session_id',
);
if (!hasSessionFk) {
await runner.query(`
CREATE TABLE attendance_records_new (
id INTEGER PRIMARY KEY AUTOINCREMENT,
student_id INTEGER NOT NULL,
class_id INTEGER,
schedule_id INTEGER,
attendance_session_id INTEGER,
attendance_date DATE NOT NULL,
session VARCHAR(20) NOT NULL,
status VARCHAR(20) NOT NULL,
remark VARCHAR(200),
source VARCHAR(20) DEFAULT 'manual',
created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (attendance_session_id) REFERENCES attendance_sessions(id) ON DELETE SET NULL
)
`);
await runner.query(`
INSERT INTO attendance_records_new (
id, student_id, class_id, schedule_id, attendance_session_id,
attendance_date, session, status, remark, source, created_at, updated_at
)
SELECT
id, student_id, class_id, schedule_id, attendance_session_id,
attendance_date, session, status, remark, source, created_at, updated_at
FROM attendance_records
`);
await runner.query('DROP TABLE attendance_records');
await runner.query('ALTER TABLE attendance_records_new RENAME TO attendance_records');
await runner.query(
'CREATE UNIQUE INDEX IF NOT EXISTS uq_attendance_session_student ON attendance_records(attendance_session_id, student_id)',
);
}
// Verify foreign key integrity BEFORE committing the transaction.
// If violations exist, the transaction rolls back and old tables are preserved.
const checkRows = await runner.query('PRAGMA foreign_key_check');
if (checkRows.length > 0) {
throw new Error(`外键一致性检查失败: ${checkRows.length} 行违反外键约束`);
}
await runner.query('COMMIT');
this.logger.log('attendance_sessions 表外键保护重建完成');
} catch (err) {
await runner.query('ROLLBACK');
throw err;
}
} finally {
await runner.query('PRAGMA foreign_keys = ON');
}
}
}