Photoshop Script to Resize an image and insert into a layer

// Images into PSD Template (PSD must have a layer called 'artwork')
// The PSD and images should be all in the same directory
  
var fWidth = 1046;
var fHeight = 479;

var inFolder = Folder.selectDialog("Please select folder to process");
if (inFolder != null)
{
	var fileList = inFolder.getFiles(/\.(jpg)$/i);  
	var templateList = inFolder.getFiles(/\.(psd)$/i);
	for(var i = 0; i < templateList.length; i++)
	{
		 makeframe("Template-" + i + "-", inFolder, templateList[i]);
	}
}


function makeframe(exportPrefixName, exportPath, psdFile)
{
	// main loop starts here
	for(var i = 0; i < fileList.length; i++)
	{
	  var appDoc = app.open(psdFile);
	//pref pixels
	app.preferences.rulerUnits = Units.PIXELS;	  
	
	// load the frames one by one
	  var doc = open(fileList[i]);
	  var tempImage = app.activeDocument.name;
	  
	  // do the resizing.  if height > width (portrait-mode) resize based on height.  otherwise, resize based on width
		if (doc.height > doc.width) {
			
			//2:3
			doc.resizeImage(null,UnitValue(fHeight,"px"),null,ResampleMethod.BICUBIC);
			appDoc.rotateCanvas(90);
		}
		else if (doc.height==doc.width)
		{
			//1:1
			doc.resizeImage(null,UnitValue(fHeight,"px"),null,ResampleMethod.BICUBIC);
			appDoc.rotateCanvas(90);
		}
		else {
			
			//3:2
			doc.resizeImage(UnitValue(fWidth,"px"),null,null,ResampleMethod.BICUBIC);
			
		}


	  //select all
	  activeDocument.selection.selectAll()

	  //copy image
	  activeDocument.selection.copy();

	  //close that document without saving
	  app.activeDocument.close(SaveOptions.DONOTSAVECHANGES);
	  
	  getMeThisLayer("artwork")

	  //paste
	  app.activeDocument.paste();

	  //deselect all
	  activeDocument.selection.deselect()

	  var filePath = exportPath + "/" + exportPrefixName + tempImage;

	  // Flatten the image
	  activeDocument.flatten();

	  // save out the image
	  var saveFile = new File(filePath);
	  
		var saveOptions = new JPEGSaveOptions();
		saveOptions.embedColorProfile = true;
		saveOptions.formatOptions = FormatOptions.STANDARDBASELINE;
		saveOptions.matte = MatteType.NONE;
		saveOptions.quality = 1;
				
	   activeDocument.saveAs(saveFile, saveOptions, false, Extension.LOWERCASE);
	  // close that save
	  app.activeDocument.close();
	 
	}

}



function getMeThisLayer(aLayerName)
{
  try
  {
    // try to find the layer
    app.activeDocument.activeLayer = app.activeDocument.layers.getByName(aLayerName)
    return
  }

  catch(e)
  {
    //Whoops can't find layer
    alert("Can't find layer " + aLayerName + "\n" + e)
  }
}