Merge branch 'lanyi-branch'

1 files changed, 33 insertions, 0 deletions

diff --git a/src/client/views/nodes/PDFBox.tsx b/src/client/views/nodes/PDFBox.tsx
index 45fa5cc12..5501f0a31 100644
--- a/src/client/views/nodes/PDFBox.tsx
+++ b/src/client/views/nodes/PDFBox.tsx
@@ -33,6 +33,9 @@ import { ImageBox } from './ImageBox';
 import { OpenWhere } from './OpenWhere';
 import './PDFBox.scss';
 import { CreateImage } from './WebBoxRenderer';
+import { gptAPICall } from '../../apis/gpt/GPT';
+import { List } from '../../../fields/List';
+import { GPTCallType } from '../../apis/gpt/GPT';
 
 @observer
 export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps>() {
@@ -78,6 +81,36 @@ export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps>() {
         }
     }
 
+    autoTag = async () => {
+        if (!this.Document.$tags_chat && this._pdf) {
+            if (!this.dataDoc.text) {
+                // 1) Extract text from the first few pages (e.g., first 2 pages)
+                const maxPages = Math.min(2, this._pdf.numPages);
+                const promises: Promise<string>[] = [];
+                for (let pageNum = 1; pageNum <= maxPages; pageNum++) {
+                    promises.push(
+                        this._pdf
+                            .getPage(pageNum)
+                            .then(page => page.getTextContent())
+                            .then(content => content.items.map(item => ('str' in item ? item.str : '')).join(' '))
+                    );
+                }
+                this.dataDoc.text = (await Promise.all(promises)).join(' ');
+            }
+
+            const text = StrCast(this.dataDoc.text).trim().slice(0, 2000);
+            if (text) {
+                // 2) Ask GPT to classify and provide descriptive tags, then normalize the results
+                const label = await gptAPICall(`"${text}"`, GPTCallType.CLASSIFYTEXTFULL).then(raw => raw.trim().toUpperCase());
+
+                this.Document.$tags_chat = new List<string>(label.split(/\s+/));
+
+                // 4) Show tags in layout
+                this.Document._layout_showTags = true;
+            }
+        }
+    };
+
     replaceCanvases = (oldDiv: HTMLElement, newDiv: HTMLElement) => {
         if (oldDiv.childNodes) {
             for (let i = 0; i < oldDiv.childNodes.length; i++) {