1 files changed, 76 insertions, 0 deletions
diff --git a/backend/instance/notes.ts b/backend/instance/notes.ts
new file mode 100644
index 0000000..5bb5e37
--- /dev/null
+++ b/backend/instance/notes.ts
@@ -0,0 +1,76 @@
+import fs from 'fs';
+import { v4 as uuidv4 } from 'uuid';
+
+import { ToolNote, ToolCall } from './api-defs.js';
+import * as chat from './chat.js';
+import * as u from './utils.js';
+
+export type Note = ToolNote;
+
+export function run( toolCall: ToolCall, notes: Note[], uuid: string ) : chat.Msg | null {
+  if( !toolCall.parameters )
+    return null;
+
+  let note = toolCall.parameters.contents;
+  if( note.length > 1 ) {
+    save( note, notes, uuid );
+    console.log( "saved note: " + note );
+  }
+
+  return { timestamp: u.getTimestamp(), role: "tool", content: "the note has been saved" };
+}
+
+export function getPromptStr( notes: Note[] ) : string {
+  if( !notes.length )
+    return '';
+
+  let promptStr = "here is a list of your (the assistant's) saved notes:\n";
+  for( let i = 0; i < notes.length; ++i ) {
+    promptStr += `${i+1}. ${notes[i].content}\n`
+  }
+
+  return promptStr;
+}
+
+export function load( uuid: string ) : Note[] {
+  try {
+    let file = `../data/notes/${uuid}-notes.json`;
+    const data = fs.readFileSync( file, 'utf8' );
+    return JSON.parse( data );
+  } catch( err ) {
+    return [];
+  }
+}
+
+export function save( newNote: string, notes: Note[], uuid: string ) {
+  let txt = newNote.slice( 0, 75 );
+  let foundNote = false;
+  for( let [key, savedNote] of Object.entries( notes ) ) {
+    let split = savedNote.content.split( ' : ' );
+    if( split.length < 2 )
+      continue;
+
+    let savedWords = split[1].split( " " );
+    let words = txt.split( " " );
+
+    let totalWords = savedWords.length;
+    let matchingWords = 0;
+    for( let i = 0; i < savedWords.length; ++i ) {
+      if( words.find( ( e ) => e === savedWords[i] ) )
+        ++matchingWords;
+    }
+
+    if( matchingWords >= Math.floor( totalWords * 0.95 ) ) {
+      notes[key].content = `${u.getTimestamp()} : ${txt}`;
+      foundNote = true;
+      break;
+    }
+  }
+  if( !foundNote )
+    notes.push( { id: uuidv4(), content: `${u.getTimestamp()} : ${newNote.slice( 0, 75 )}` } );
+  if( notes.length > 25 )
+    notes = notes.slice( 1 );
+
+  let file = `../data/notes/${uuid}-notes.json`;
+  fs.writeFileSync( file, JSON.stringify( notes ) );
+}