ds4/src/module/migrations.ts

81 lines
2.6 KiB
TypeScript

import { migrate as migrate001 } from "./migrations/001";
async function migrate(): Promise<void> {
if (!game.user.isGM) {
return;
}
const oldMigrationVersion: number = game.settings.get("ds4", "systemMigrationVersion");
const targetMigrationVersion = migrations.length;
if (isFirstWorldStart(oldMigrationVersion)) {
game.settings.set("ds4", "systemMigrationVersion", targetMigrationVersion);
return;
}
return migrateFromTo(oldMigrationVersion, targetMigrationVersion);
}
async function migrateFromTo(oldMigrationVersion: number, targetMigrationVersion: number): Promise<void> {
if (!game.user.isGM) {
return;
}
const migrationsToExecute = migrations.slice(oldMigrationVersion, targetMigrationVersion);
if (migrationsToExecute.length > 0) {
ui.notifications.info(
game.i18n.format("DS4.InfoSystemUpdateStart", {
currentVersion: oldMigrationVersion,
targetVersion: targetMigrationVersion,
}),
{ permanent: true },
);
for (const [i, migration] of migrationsToExecute.entries()) {
const currentMigrationVersion = oldMigrationVersion + i + 1;
console.log("executing migration script ", currentMigrationVersion);
try {
await migration();
game.settings.set("ds4", "systemMigrationVersion", currentMigrationVersion);
} catch (err) {
ui.notifications.error(
game.i18n.format("DS4.ErrorDuringMigration", {
currentVersion: oldMigrationVersion,
targetVersion: targetMigrationVersion,
migrationVersion: currentMigrationVersion,
}),
{ permanent: true },
);
err.message = `Failed ds4 system migration: ${err.message}`;
console.error(err);
return;
}
}
ui.notifications.info(
game.i18n.format("DS4.InfoSystemUpdateCompleted", {
currentVersion: oldMigrationVersion,
targetVersion: targetMigrationVersion,
}),
{ permanent: true },
);
}
}
function getTargetMigrationVersion(): number {
return migrations.length;
}
const migrations: Array<() => Promise<void>> = [migrate001];
function isFirstWorldStart(migrationVersion: number): boolean {
return migrationVersion < 0;
}
export const migration = {
migrate: migrate,
migrateFromTo: migrateFromTo,
getTargetMigrationVersion: getTargetMigrationVersion,
};