From 71bd820da9623b52c3993a17b0f43f61745c989e Mon Sep 17 00:00:00 2001
From: evlist <vdv@dyomedea.com>
Date: Sat, 11 Feb 2023 12:02:22 +0100
Subject: [PATCH] Implementing a machanism to purge databases.

---
 src/db-admin/compact.ts | 48 ++++++++++++++++++++++-------------------
 1 file changed, 26 insertions(+), 22 deletions(-)

diff --git a/src/db-admin/compact.ts b/src/db-admin/compact.ts
index c6e21cd..04be334 100644
--- a/src/db-admin/compact.ts
+++ b/src/db-admin/compact.ts
@@ -1,21 +1,26 @@
 import { Signal } from 'solid-js';
 import PouchDB from 'pouchdb';
+import indexeddb from 'pouchdb-adapter-indexeddb';
 
 import { getSettings } from '../db/settings';
 import { delay } from '../lib/delay';
 
+PouchDB.plugin(indexeddb);
+
 export const compactDb = async (p: { signal: Signal<any>; params: any }) => {
   const { signal, params } = p;
   const [, setStatus] = signal;
   console.log({ caller: 'compactDb', p });
 
-  const db = new PouchDB('dyomedea', { auto_compaction: true });
+  const db = new PouchDB('_dyomedea_', {
+    auto_compaction: true,
+    adapter: 'indexeddb',
+  });
   const dbinfo = await db.info();
   const tasks = PouchDB.activeTasks.list();
 
-  setStatus({ status: 'starting', db: 'dyomedea', dbinfo, tasks });
+  setStatus({ status: 'starting', db: '_dyomedea_', dbinfo, tasks });
 
-  return;
   const timerId = setInterval(async () => {
     const dbinfo = await db.info();
     const tasks = PouchDB.activeTasks.list();
@@ -27,6 +32,8 @@ export const compactDb = async (p: { signal: Signal<any>; params: any }) => {
     }
   }, 1000);
 
+  // db.compact();
+
   const openIDb = (name: string) =>
     new Promise((resolve, reject) => {
       const iDb = indexedDB.open(name);
@@ -71,10 +78,10 @@ export const compactDb = async (p: { signal: Signal<any>; params: any }) => {
       };
     });
 
-  const iDb = (await openIDb('_pouch_dyomedea')) as IDBDatabase;
+  const iDb = (await openIDb('_pouch__dyomedea_')) as IDBDatabase;
 
-  const bySequence = iDb.transaction('by-sequence', 'readonly');
-  const store = bySequence.objectStore('by-sequence');
+  const bySequence = iDb.transaction('docs', 'readonly');
+  const store = bySequence.objectStore('docs');
   console.log({
     caller: 'compactDb',
     message: 'transaction opened',
@@ -82,29 +89,26 @@ export const compactDb = async (p: { signal: Signal<any>; params: any }) => {
     store,
   });
 
-  const sequences = (await getAll(store)) as any[];
-  setStatus({
-    status: 'revisions',
-    db: 'dyomedea',
-    sequences,
-  });
+  const docs = (await getAll(store)) as any[];
+  //   setStatus({
+  //     status: 'docs',
+  //     db: 'dyomedea',
+  //     docs,
+  //   });
 
-  sequences.forEach(async (sequence) => {
-    const { _deleted, _doc_id_rev } = sequence;
-    if (_deleted) {
-      const [id, rev] = _doc_id_rev.split('::');
-      //      const purge = await db.purge(id, rev);
+  docs.forEach(async (doc) => {
+    const { id, rev, deleted } = doc;
+    if (deleted !== 0) {
+      //     const purge = await db.purge(id, rev);
       console.log({
         caller: 'compactDb',
         message: 'purging',
         id,
         rev,
-        sequence,
-        purge,
+        doc,
+        //       purge,
       });
-      await delay(100);
+      await delay(1000);
     }
   });
-
-  // db.compact();
 };