[feature] Add Example in Admin Panel

AdminPanel/client/src/pages/Example/Example.js

@@ -1,6 +1,4 @@
 import {useState, useEffect, useRef, useCallback} from 'react';
-// Импорт файла на этапе сборки (альтернативный подход)
-// import sampleDocumentUrl from '../../assets/sample-document.docx';
 
 /**
  * Preview page component with ONLYOFFICE Document Editor
@@ -13,36 +11,6 @@ function Preview(props) {
   const [editorConfig, setEditorConfig] = useState(null);
   const editorRef = useRef(null);
 
-  /**
-   * Create JWT token for ONLYOFFICE API
-   * @param {Object} json - Configuration object
-   * @param {string} secret - JWT secret
-   * @returns {Promise<string>} JWT token
-   */
-  const createJWT = async (json, secret) => {
-    if (!secret) return null;
-
-    const header = {
-      typ: 'JWT',
-      alg: 'HS256'
-    };
-
-    const base64EncodeURL = str => {
-      return btoa(str).replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
-    };
-
-    const encodedHeader = base64EncodeURL(JSON.stringify(header));
-    const encodedPayload = base64EncodeURL(JSON.stringify(json));
-    const encoder = new TextEncoder();
-    const algorithm = {name: 'HMAC', hash: 'SHA-256'};
-    const key = await crypto.subtle.importKey('raw', encoder.encode(secret), algorithm, false, ['sign', 'verify']);
-    const buf = encoder.encode(encodedHeader + '.' + encodedPayload);
-    const sign = await crypto.subtle.sign(algorithm.name, key, buf);
-    const hash = base64EncodeURL(String.fromCharCode(...new Uint8Array(sign)));
-
-    return encodedHeader + '.' + encodedPayload + '.' + hash;
-  };
-
   /**
    * Initialize the ONLYOFFICE editor
    */
@@ -54,7 +22,7 @@ function Preview(props) {
         fileType: 'docx',
         key: '0' + Math.random(),
         title: 'Example Document',
-        url: 'https://static.onlyoffice.com/assets/docs/samples/demo.docx'
+        url: `${window.location.origin}/${window.location.pathname.split('/')[1].includes('example') ? '' : window.location.pathname.split('/')[1] + '/'}assets/sample.docx`
       },
       documentType: 'word',
       editorConfig: {
@@ -77,20 +45,13 @@ function Preview(props) {
       config.type = 'mobile';
     }
 
-    try {
-      // Create JWT token (using demo secret for now)
-      config.token = await createJWT(config, 'doc-linux');
-      setEditorConfig(config);
-    } catch (error) {
-      console.error('Error creating JWT:', error);
-      setEditorConfig(config);
-    }
+    setEditorConfig(config);
   }, [user]);
 
   useEffect(() => {
     // Load ONLYOFFICE API script
     const script = document.createElement('script');
-    script.src = 'https://doc-linux.teamlab.info/web-apps/apps/api/documents/api.js';
+    script.src = `${process.env.REACT_APP_DOCSERVICE_URL || window.location.origin}/web-apps/apps/api/documents/api.js`;
     script.async = true;
     script.onload = () => {
       initEditor();

AdminPanel/client/webpack.config.js

@@ -61,8 +61,6 @@ module.exports = (env, argv) => {
             from: '*.svg',
             to: 'static/[name][ext]'
           },
-          // Copy AiIntegration static assets so iframe URLs resolve correctly
-          // Resulting paths in build/: /css/*, /js/*, /ai/**/*
           {
             context: path.resolve(__dirname, 'src', 'pages', 'AiIntegration', 'css'),
             from: '**/*',
@@ -77,6 +75,11 @@ module.exports = (env, argv) => {
             context: path.resolve(__dirname, 'src', 'pages', 'AiIntegration', 'ai'),
             from: '**/*',
             to: 'ai'
+          },
+          {
+            context: path.resolve(__dirname, '../../../document-templates/sample'),
+            from: 'sample.docx',
+            to: 'assets/sample.docx'
           }
         ]
       }),