78 lines
2.7 KiB
TypeScript
78 lines
2.7 KiB
TypeScript
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import { migrate as migrate0_1_0 } from "./migrations/0-1-0";
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export async function migrate(): Promise<void> {
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if (!game.user.isGM) {
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return;
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}
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const currentVersion: string = game.settings.get("ds4", "systemMigrationVersion");
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const targetVersion = game.system.data.version;
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if (isFirstWorldStart(currentVersion)) {
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game.settings.set("ds4", "systemMigrationVersion", targetVersion);
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return;
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}
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if (isNewerVersion(targetVersion, currentVersion)) {
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ui.notifications.info(
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game.i18n.format("DS4.InfoSystemUpdateStart", {
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currentVersion: currentVersion,
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targetVersion: targetVersion,
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}),
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{ permanent: true },
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);
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const migrationFunctionsToExecute = Object.entries(migrations)
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.filter(([version]) => !isNewerVersion(currentVersion, version)) // currentVersion <= version of migration
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.filter(([version]) => isNewerVersion(targetVersion, version)); // targetVersion > version of migration
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for (const migration of migrationFunctionsToExecute) {
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try {
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await migration[1]();
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} catch (err) {
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ui.notifications.error(
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game.i18n.format("DS4.ErrorDuringMigration", {
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currentVersion: currentVersion,
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targetVersion: targetVersion,
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migrationVersion: migration[0],
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}),
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{ permanent: true },
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);
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err.message = `Failed ds4 system migration: ${err.message}`;
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console.error(err);
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return;
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}
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}
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ui.notifications.info(
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game.i18n.format("DS4.InfoSystemUpdateCompleted", {
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currentVersion: currentVersion,
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targetVersion: targetVersion,
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}),
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{ permanent: true },
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);
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game.settings.set("ds4", "systemMigrationVersion", targetVersion);
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return;
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}
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}
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/**
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* The migrations to (potentially) execute when a world is loaded. The key
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* specifies the version number _from_ which is being migrated to the next
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* version.
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*
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* @example
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* Given the migration version numbers "0.0.1", "0.0.2", "0.1.2", "0.4.9", and
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* "0.5.0" an update from version "0.0.2" to "0.5.0" would execute the
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* migrations with version "0.0.2", "0.1.2", and "0.4.9". In particular,
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* migrations of a version lower than the current version or higher or equal to
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* the target version are _not_ executed while all others are.
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*/
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const migrations: Record<string, () => Promise<void>> = {
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"0.1.0": migrate0_1_0,
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};
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function isFirstWorldStart(version: string): boolean {
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return version === "";
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}
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