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sqlite: convert migrations to async

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This removes quite a bunch of indention and callbacks
This commit is contained in:
Reto Brunner 2022-10-10 21:43:30 +02:00
parent bbe81bb2fa
commit f068fd4290
1 changed files with 36 additions and 41 deletions
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77
server/plugins/messageStorage/sqlite.ts
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@ -63,52 +63,47 @@ class SqliteMessageStorage implements ISqliteMessageStorage {
this.database = new sqlite3.Database(sqlitePath);
this.run_migrations()
this.run_migrations().catch((err) => {
log.error("Migration failed", String(err));
this.isEnabled = false;
});
}
private run_migrations() {
this.database.serialize(() => {
schema.forEach((line) => this.run(line));
async run_migrations() {
for (const stmt of schema) {
await this.serialize_run(stmt, []);
}
this.database.get(
"SELECT value FROM options WHERE name = 'schema_version'",
(err, row) => {
if (err) {
return log.error(`Failed to retrieve schema version: ${err.toString()}`);
}
const version = await this.serialize_get(
"SELECT value FROM options WHERE name = 'schema_version'"
);
// New table
if (row === undefined) {
this.run(
"INSERT INTO options (name, value) VALUES ('schema_version', ?)",
currentSchemaVersion
);
return;
}
const storedSchemaVersion = parseInt(row.value, 10);
if (storedSchemaVersion === currentSchemaVersion) {
return;
}
if (storedSchemaVersion > currentSchemaVersion) {
return log.error(
`sqlite messages schema version is higher than expected (${storedSchemaVersion} > ${currentSchemaVersion}). Is The Lounge out of date?`
);
}
log.info(
`sqlite messages schema version is out of date (${storedSchemaVersion} < ${currentSchemaVersion}). Running migrations if any.`
);
this.run(
"UPDATE options SET value = ? WHERE name = 'schema_version'",
currentSchemaVersion
);
}
if (version === undefined) {
// new table
await this.serialize_run(
"INSERT INTO options (name, value) VALUES ('schema_version', ?)",
[currentSchemaVersion]
);
});
return;
}
const storedSchemaVersion = parseInt(version.value, 10);
if (storedSchemaVersion === currentSchemaVersion) {
return;
}
if (storedSchemaVersion > currentSchemaVersion) {
throw `sqlite messages schema version is higher than expected (${storedSchemaVersion} > ${currentSchemaVersion}). Is The Lounge out of date?`;
}
log.info(
`sqlite messages schema version is out of date (${storedSchemaVersion} < ${currentSchemaVersion}). Running migrations if any.`
);
await this.serialize_run("UPDATE options SET value = ? WHERE name = 'schema_version'", [
currentSchemaVersion,
]);
}
close(callback?: (error?: Error | null) => void) {