possibly working GUI, compiling missing

frontend/src/app.js

@@ -1,21 +1,53 @@
 const express = require( 'express' );
 let app = express();
-const path = require( 'path' );
-const fs = require( 'fs' );
+const dialog = require( 'electron' ).dialog;
+const cors = require( 'cors' );
 const bodyParser = require( 'body-parser' );
 const exec = require( 'child_process' ).exec;
+const upscaling = require( './upscalingHandler.js' );
+const upscalingHandler = new upscaling();
 
 app.use( bodyParser.urlencoded( { extended: false } ) );
 app.use( bodyParser.json() );
+app.use( cors() );
 
-function execute(command, callback){
-    exec(command, function(error, stdout, stderr){ callback(stdout); });
-};
 
 app.get( '/api/getEngines', ( request, response ) => {
-    execute( 'ImageVideoUpscaler-cli -p', out => {
-        response.send( out );
-    } );
+    console.log( 'engines' );
+    response.send( { 'data': 'not finished yet' } );
+} );
+
+app.get( '/api/getInputFile', ( request, response ) => {
+    response.send( { 'data': dialog.showOpenDialogSync( { 
+        properties: [ 'openFile' ], 
+        title: 'Select an input file to upscale',
+        filters: [
+            { name: 'Images (.jpg, .png)', extensions: ['jpg', 'png'] },
+            { name: 'Movies (.mkv, .mp4)', extensions: ['mkv', 'mp4'] },
+            { name: 'All Files', extensions: ['*'] }
+        ]
+    } ) } );
+} );
+
+app.get( '/api/getOutputFile', ( request, response ) => {
+    response.send( { 'data': dialog.showSaveDialogSync( { 
+        properties: [ 'promptToCreate' ], 
+        title: 'Select an output file',
+        filters: [
+            { name: 'Images (.jpg, .png)', extensions: ['jpg', 'png'] },
+            { name: 'Movies (.mkv, .mp4)', extensions: ['mkv', 'mp4'] },
+            { name: 'All Files', extensions: ['*'] }
+        ] 
+    } ) } );
+} );
+
+app.post( '/api/startUpscaling', ( request, response ) => {
+    if ( upscalingHandler.verifyDataIntegrity( request.body ) ) {
+        response.send( { 'data': 'upscaling' } );
+        upscalingHandler.upscale( request.body );
+    } else {
+        response.send( { 'data': 'dataIncorrect' } );
+    }
 } );
 
 app.listen( 8081 );