From 6465a371cb480842c10acdbe439b957f056700a2 Mon Sep 17 00:00:00 2001
From: evlist <vdv@dyomedea.com>
Date: Mon, 5 Dec 2022 18:49:36 +0100
Subject: [PATCH] Testingpouchdb change handler

---
 src/db/change-handler.ts       |  6 ++++++
 src/db/index.ts                | 23 +++++++++++++++++++++++
 src/workers/dispatcher-main.ts | 12 +++++++++++-
 3 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 src/db/change-handler.ts

diff --git a/src/db/change-handler.ts b/src/db/change-handler.ts
new file mode 100644
index 0000000..63019fa
--- /dev/null
+++ b/src/db/change-handler.ts
@@ -0,0 +1,6 @@
+
+const changeHandler = (change: any) => {
+    console.log({caller: 'ChangeHandler', change});
+}
+
+export default changeHandler;
\ No newline at end of file
diff --git a/src/db/index.ts b/src/db/index.ts
index 10a0aa9..da90125 100644
--- a/src/db/index.ts
+++ b/src/db/index.ts
@@ -2,6 +2,7 @@ import _ from 'lodash';
 import PouchDB from 'pouchdb';
 import PouchDBFind from 'pouchdb-find';
 import uri from '../lib/ids';
+import changeHandler from './change-handler';
 
 PouchDB.plugin(PouchDBFind);
 
@@ -19,6 +20,8 @@ declare global {
 }
 
 export const initDb = async (params: any) => {
+  console.log({ caller: 'initDb' });
+
   if (globalThis.db === undefined) {
     globalThis.db = new PouchDB('dyomedea', {
       auto_compaction: false,
@@ -93,6 +96,26 @@ export const initDb = async (params: any) => {
 
   globalThis.dbReady = true;
 
+  console.log({ caller: 'initDb / before db.changes' });
+
+  const changes = db
+    .changes({ since: 'now', live: true, include_docs: true })
+    .on('change', changeHandler)
+    // .on('change', (info: any) => {
+    //   console.log({ caller: 'changes / change', info });
+    //   changeHandler(info);
+    // })
+    .on('complete', (info: any) => {
+      console.log({ caller: 'changes / complete', info });
+    })
+    .on('error', (error: any) => {
+      console.log({ caller: 'changes / complete', error });
+    });
+
+  console.log({ caller: 'initDb / back from db.changes', changes });
+
+  //  changes.cancel();
+
   /*   const indexes = await db.getIndexes();
   console.log(`indexes: ${JSON.stringify(indexes)}`);
 
diff --git a/src/workers/dispatcher-main.ts b/src/workers/dispatcher-main.ts
index 4e035a8..60d1aea 100644
--- a/src/workers/dispatcher-main.ts
+++ b/src/workers/dispatcher-main.ts
@@ -16,6 +16,12 @@ export const init = () => {
 
   worker.onmessage = (event: any) => {
     const { id, payload } = event.data;
+    console.log({
+      caller: 'dispatcher-main / message received',
+      id,
+      payload,
+      dispatcherQueue: JSON.parse(JSON.stringify(dispatcherQueue)),
+    });
     dispatcherQueue.queue.get(id)(null, payload);
     dispatcherQueue.queue.delete(id);
   };
@@ -50,7 +56,11 @@ const dispatch = (
     payload: payload,
   };
   worker.postMessage(message);
-  console.log({ caller: 'dispatcher-main / message sent', message });
+  console.log({
+    caller: 'dispatcher-main / message sent',
+    message,
+    dispatcherQueue,
+  });
 };
 
 export default dispatch;