Implementing a machanism to purge databases.
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@ -1,21 +1,26 @@
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import { Signal } from 'solid-js';
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import { Signal } from 'solid-js';
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import PouchDB from 'pouchdb';
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import PouchDB from 'pouchdb';
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import indexeddb from 'pouchdb-adapter-indexeddb';
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import { getSettings } from '../db/settings';
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import { getSettings } from '../db/settings';
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import { delay } from '../lib/delay';
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import { delay } from '../lib/delay';
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PouchDB.plugin(indexeddb);
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export const compactDb = async (p: { signal: Signal<any>; params: any }) => {
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export const compactDb = async (p: { signal: Signal<any>; params: any }) => {
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const { signal, params } = p;
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const { signal, params } = p;
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const [, setStatus] = signal;
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const [, setStatus] = signal;
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console.log({ caller: 'compactDb', p });
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console.log({ caller: 'compactDb', p });
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const db = new PouchDB('dyomedea', { auto_compaction: true });
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const db = new PouchDB('_dyomedea_', {
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auto_compaction: true,
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adapter: 'indexeddb',
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});
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const dbinfo = await db.info();
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const dbinfo = await db.info();
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const tasks = PouchDB.activeTasks.list();
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const tasks = PouchDB.activeTasks.list();
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setStatus({ status: 'starting', db: 'dyomedea', dbinfo, tasks });
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setStatus({ status: 'starting', db: '_dyomedea_', dbinfo, tasks });
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return;
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const timerId = setInterval(async () => {
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const timerId = setInterval(async () => {
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const dbinfo = await db.info();
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const dbinfo = await db.info();
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const tasks = PouchDB.activeTasks.list();
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const tasks = PouchDB.activeTasks.list();
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@ -27,6 +32,8 @@ export const compactDb = async (p: { signal: Signal<any>; params: any }) => {
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}
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}
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}, 1000);
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}, 1000);
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// db.compact();
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const openIDb = (name: string) =>
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const openIDb = (name: string) =>
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new Promise((resolve, reject) => {
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new Promise((resolve, reject) => {
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const iDb = indexedDB.open(name);
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const iDb = indexedDB.open(name);
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@ -71,10 +78,10 @@ export const compactDb = async (p: { signal: Signal<any>; params: any }) => {
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};
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};
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});
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});
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const iDb = (await openIDb('_pouch_dyomedea')) as IDBDatabase;
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const iDb = (await openIDb('_pouch__dyomedea_')) as IDBDatabase;
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const bySequence = iDb.transaction('by-sequence', 'readonly');
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const bySequence = iDb.transaction('docs', 'readonly');
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const store = bySequence.objectStore('by-sequence');
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const store = bySequence.objectStore('docs');
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console.log({
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console.log({
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caller: 'compactDb',
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caller: 'compactDb',
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message: 'transaction opened',
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message: 'transaction opened',
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@ -82,29 +89,26 @@ export const compactDb = async (p: { signal: Signal<any>; params: any }) => {
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store,
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store,
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});
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});
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const sequences = (await getAll(store)) as any[];
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const docs = (await getAll(store)) as any[];
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setStatus({
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// setStatus({
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status: 'revisions',
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// status: 'docs',
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db: 'dyomedea',
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// db: 'dyomedea',
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sequences,
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// docs,
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});
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// });
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sequences.forEach(async (sequence) => {
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docs.forEach(async (doc) => {
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const { _deleted, _doc_id_rev } = sequence;
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const { id, rev, deleted } = doc;
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if (_deleted) {
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if (deleted !== 0) {
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const [id, rev] = _doc_id_rev.split('::');
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// const purge = await db.purge(id, rev);
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// const purge = await db.purge(id, rev);
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console.log({
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console.log({
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caller: 'compactDb',
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caller: 'compactDb',
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message: 'purging',
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message: 'purging',
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id,
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id,
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rev,
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rev,
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sequence,
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doc,
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purge,
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// purge,
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});
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});
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await delay(100);
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await delay(1000);
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}
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}
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});
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});
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// db.compact();
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};
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};
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