From 48c0535c8fa0aa935b733990f4cb96b3b3205daa Mon Sep 17 00:00:00 2001
From: Michael Mainguy <mike.mainguy@gmail.com>
Date: Wed, 24 Apr 2024 11:50:23 -0500
Subject: [PATCH] Tweak to allow localdb not to sync to cloud and generate
 unique IDs for databases.

---
 src/integration/pouchdbPersistenceManager.ts | 21 ++++++++------------
 src/react/webApp.tsx                         | 14 +++++++++----
 2 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/src/integration/pouchdbPersistenceManager.ts b/src/integration/pouchdbPersistenceManager.ts
index c9bbf9f..a202740 100644
--- a/src/integration/pouchdbPersistenceManager.ts
+++ b/src/integration/pouchdbPersistenceManager.ts
@@ -6,7 +6,6 @@ import {DiagramEventObserverMask, DiagramManager} from "../diagram/diagramManage
 import log, {Logger} from "loglevel";
 import {ascii_to_hex} from "./functions/hexFunctions";
 import {getPath} from "../util/functions/getPath";
-import {v4 as uuidv4} from 'uuid';
 
 const logger: Logger = log.getLogger('PouchdbPersistenceManager');
 export class PouchdbPersistenceManager {
@@ -97,21 +96,17 @@ export class PouchdbPersistenceManager {
 
     private async initLocal(): Promise<boolean> {
         try {
+            let sync = false;
             let current = getPath();
-            if (!current) {
-                const locallyStored = localStorage.getItem('currentDiagram');
-                if (!locallyStored) {
-                    const newId = uuidv4().replaceAll('-', '_');
-                    localStorage.setItem('currentDiagram', newId);
-                    window.history.replaceState(null, null, '/db/' + newId);
-                    current = newId;
-                } else {
-                    current = locallyStored;
-                    window.history.replaceState(null, null, '/db/' + current);
-                }
+            if (current && current != 'localdb') {
+                sync = true;
+            } else {
+                current = 'localdb';
             }
             this.db = new PouchDB(current);
-            await this.beginSync(current);
+            if (sync) {
+                await this.beginSync(current);
+            }
             return true;
         } catch (err) {
             logger.error(err);
diff --git a/src/react/webApp.tsx b/src/react/webApp.tsx
index 115ed1d..57efbab 100644
--- a/src/react/webApp.tsx
+++ b/src/react/webApp.tsx
@@ -16,8 +16,10 @@ function CreateMenu({display, toggleCreateMenu}) {
     const onCreateClick = (evt) => {
         evt.preventDefault();
         const name = (document.querySelector('#createName') as HTMLInputElement).value;
+        const id = window.crypto.randomUUID().replace(/-/g, '_');
+        localStorage.setItem(id, name);
         if (name && name.length > 4) {
-            document.location.href = '/db/' + name;
+            document.location.href = '/db/' + id;
         } else {
             window.alert('Name must be longer than 4 characters');
         }
@@ -26,7 +28,6 @@ function CreateMenu({display, toggleCreateMenu}) {
         <div className="overlay" id="create" style={{'display': display}}>
             <div>
                 <div><input id="createName" placeholder="Enter a name for your diagram" type="text"/></div>
-                <div><input id="createPassword" placeholder="Enter a password (optional)" type="text"/></div>
                 <div><a href="#" id="createActionLink" onClick={onCreateClick}>Create</a></div>
                 <div><a className="cancel" onClick={toggleCreateMenu} href="#" id="cancelCreateLink">Cancel</a></div>
             </div>
@@ -69,7 +70,12 @@ function DiagramList({display, onClick}) {
             const data = await indexedDB.databases();
             let i = 0;
             setDbList(data.filter((item) => item.name.indexOf('_pouch_') > -1).map((item) => {
-                return {key: i++, name: item.name.replace('_pouch_', '')}
+                const dbid = item.name.replace('_pouch_', '');
+                let friendlyName = localStorage.getItem(dbid);
+                if (!friendlyName) {
+                    friendlyName = dbid;
+                }
+                return {key: dbid, name: friendlyName}
             }));
         };
         listDb();
@@ -82,7 +88,7 @@ function DiagramList({display, onClick}) {
             <div id="startCreate"><a href="#" id="startCreateLink" onClick={onClick}>New</a></div>
             <div id="diagramListContent">
                 <ul>
-                    {dbList.map((item) => <li key={item.key}><a href={`/db/${item.name}`}>{item.name}</a></li>)}
+                    {dbList.map((item) => <li key={item.key}><a href={`/db/${item.key}`}>{item.name}</a></li>)}
                 </ul>
             </div>
         </div>