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Code.gs
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function initializeProcess(folderUrl, startRow, startCol) {
if (!folderUrl || !startRow || !startCol) {
throw new Error('Invalid input: folderUrl, startRow, and startCol are required.');
}
var spreadsheetId = SpreadsheetApp.getActiveSpreadsheet().getId();
var sheetId = SpreadsheetApp.getActiveSheet().getSheetId();
PropertiesService.getScriptProperties().setProperties({
'shouldStop': 'false',
'folderUrl': folderUrl,
'startRow': startRow,
'startCol': startCol,
'spreadsheetId': spreadsheetId,
'sheetId': sheetId,
'lastProcessedIndex': '-1'
});
Logger.log('Initialization started: folderUrl=' + folderUrl + ', startRow=' + startRow + ', startCol=' + startCol + ', spreadsheetId=' + spreadsheetId + ', sheetId=' + sheetId);
return true;
}
function previewSortOrder() {
// Reset necessary properties
PropertiesService.getScriptProperties().setProperty('shouldStop', 'false');
PropertiesService.getScriptProperties().setProperty('lastProcessedIndex', '-1');
var folderUrl = PropertiesService.getScriptProperties().getProperty('folderUrl');
if (!folderUrl) {
throw new Error('Folder URL not set. Please initialize the process first.');
}
Logger.log('Previewing sort order for folder: ' + folderUrl);
var fileList = collectFiles(folderUrl);
sortFiles();
return previewSortedFiles();
}
function collectFiles(folderUrl) {
if (!folderUrl) {
throw new Error('Invalid input: folderUrl is required.');
}
Logger.log('Collecting folder URL');
var folderId = folderUrl.match(/[-\w]{25,}/)[0]; // Extract folder ID from URL
var folder = DriveApp.getFolderById(folderId);
Logger.log('Collecting files from folder');
var files = folder.getFiles();
Logger.log('Files collected');
var fileList = [];
while (files.hasNext()) {
if (PropertiesService.getScriptProperties().getProperty('shouldStop') === 'true') {
Logger.log('Script stopped by user during file collection');
return;
}
var file = files.next();
var fileName = file.getName();
fileList.push({ fileId: file.getId(), name: fileName });
}
PropertiesService.getScriptProperties().setProperty('fileList', JSON.stringify(fileList));
Logger.log('Collected ' + fileList.length + ' files');
return fileList;
}
function sortFiles() {
Logger.log('Sorting files');
var fileList = JSON.parse(PropertiesService.getScriptProperties().getProperty('fileList'));
// Natural sort comparator
function naturalCompare(a, b) {
var ax = [], bx = [];
a.name.replace(/(\d+)|(\D+)/g, function(_, $1, $2) { ax.push([$1 || Infinity, $2 || ""]) });
b.name.replace(/(\d+)|(\D+)/g, function(_, $1, $2) { bx.push([$1 || Infinity, $2 || ""]) });
while(ax.length && bx.length) {
var an = ax.shift();
var bn = bx.shift();
var nn = (an[0] - bn[0]) || an[1].localeCompare(bn[1]);
if(nn) return nn;
}
return ax.length - bx.length;
}
fileList.sort(naturalCompare);
PropertiesService.getScriptProperties().setProperty('fileList', JSON.stringify(fileList));
Logger.log('Files sorted');
return true;
}
function previewSortedFiles() {
Logger.log('Previewing sorted files');
var fileList = JSON.parse(PropertiesService.getScriptProperties().getProperty('fileList'));
return fileList.map(function(file) {
return file.name;
});
}
function continueImageInsertion() {
Logger.log('Continuing image insertion');
var result = insertImagesFromUI();
if (result === true) {
// All images have been processed
Logger.log('All images processed. Cleaning up.');
cleanupAfterCompletion();
} else if (result === false) {
// More images to process, schedule next batch
Logger.log('Scheduling next batch');
ScriptApp.newTrigger('continueImageInsertion')
.timeBased()
.after(1000) // Wait 1 second before next execution
.create();
} else {
// An error occurred
Logger.log('Error occurred during image insertion: ' + result);
cleanupAfterCompletion();
}
}
function cleanupAfterCompletion() {
var triggers = ScriptApp.getProjectTriggers();
for (var i = 0; i < triggers.length; i++) {
if (triggers[i].getHandlerFunction() == 'handleImageInsertion') {
ScriptApp.deleteTrigger(triggers[i]);
}
}
// Delete all properties
PropertiesService.getScriptProperties().deleteAllProperties();
Logger.log('Script complete, all properties deleted for new run.');
}
function handleImageInsertion() {
try {
var result = insertImagesFromUI();
Logger.log("handleImageInsertion result: " + result);
if (result === true) {
// All images have been processed
Logger.log('All images processed. Cleaning up.');
cleanupAfterCompletion();
return 'completed';
} else if (result === false) {
// More images to process, schedule next batch
Logger.log('Scheduling next batch');
ScriptApp.newTrigger('handleImageInsertion')
.timeBased()
.after(1000) // Wait 1 second before next execution
.create();
return 'continuing';
} else if (result === 'stopped') {
// Script was stopped by user
Logger.log('Script stopped by user. Cleaning up.');
cleanupAfterStop();
return 'stopped';
} else {
// Unexpected result
Logger.log('Unexpected result from insertImagesFromUI: ' + result);
cleanupAfterCompletion();
return 'error';
}
} catch (error) {
Logger.log('Error in handleImageInsertion: ' + error.message);
cleanupAfterCompletion();
return 'error: ' + error.message;
}
}
function insertImagesFromUI() {
var startRow = parseInt(PropertiesService.getScriptProperties().getProperty('startRow'), 10);
var startCol = parseInt(PropertiesService.getScriptProperties().getProperty('startCol'), 10);
var batchSize = 75; // Process 75 images per execution
var lastProcessedIndex = parseInt(PropertiesService.getScriptProperties().getProperty('lastProcessedIndex') || '-1', 10);
var spreadsheetId = PropertiesService.getScriptProperties().getProperty('spreadsheetId');
var sheetId = PropertiesService.getScriptProperties().getProperty('sheetId');
if (isNaN(startRow) || isNaN(startCol)) {
throw new Error('Invalid input: startRow and startCol must be numbers.');
}
Logger.log('UI Parser Started. Last processed index: ' + lastProcessedIndex);
var folderUrl = PropertiesService.getScriptProperties().getProperty('folderUrl');
var fileList = JSON.parse(PropertiesService.getScriptProperties().getProperty('fileList'));
// Open the specific spreadsheet and sheet
var spreadsheet = SpreadsheetApp.openById(spreadsheetId);
var sheet = spreadsheet.getSheets().filter(function(s) { return s.getSheetId() == sheetId; })[0];
if (!sheet) {
throw new Error('Sheet not found. spreadsheetId: ' + spreadsheetId + ', sheetId: ' + sheetId);
}
var rowIndex = startRow + lastProcessedIndex + 1;
var colIndex = startCol;
var totalFiles = fileList.length;
var processedInThisExecution = 0;
Logger.log('Starting batch processing from index ' + (lastProcessedIndex + 1) + ' at row ' + rowIndex);
for (var i = lastProcessedIndex + 1; i < totalFiles && processedInThisExecution < batchSize; i++) {
if (PropertiesService.getScriptProperties().getProperty('shouldStop') === 'true') {
Logger.log('Script stopped by user during image insertion');
return 'stopped';
}
try {
var fileObj = fileList[i];
var file = DriveApp.getFileById(fileObj.fileId);
Logger.log('Processing file ' + (i + 1) + ' of ' + totalFiles + ': ' + file.getName());
var resizedImage = resizeImage(fileObj.fileId, 800); // Resize to max width of 800px
if (!resizedImage) {
throw new Error('Failed to resize image');
}
var imageData = "data:image/jpeg;base64," + Utilities.base64Encode(resizedImage.getBytes());
insertCellImage(sheet.getRange(rowIndex, colIndex), imageData, "Image " + (i + 1), "Image from frame " + fileObj.name);
Logger.log('Inserted image ' + (i + 1) + ' of ' + totalFiles + ' at row ' + rowIndex);
rowIndex++;
processedInThisExecution++;
PropertiesService.getScriptProperties().setProperty('lastProcessedIndex', i.toString());
} catch (e) {
Logger.log('Error processing image at index ' + i + ': ' + e.message);
// Continue with the next image instead of stopping the entire process
}
}
Logger.log('Batch completed. Processed ' + processedInThisExecution + ' images in this execution.');
if (lastProcessedIndex + processedInThisExecution >= totalFiles - 1) {
Logger.log('Image insertion completed');
return true; // All images processed
} else {
Logger.log('More images to process. Last processed index: ' + PropertiesService.getScriptProperties().getProperty('lastProcessedIndex'));
return false; // More images to process
}
}
function insertCellImage(range, imageData, altTitle = "", altDescription = "") {
try {
let image = SpreadsheetApp
.newCellImage()
.setSourceUrl(imageData)
.setAltTextTitle(altTitle)
.setAltTextDescription(altDescription)
.build();
range.setValue(image);
Logger.log('Image inserted successfully');
} catch (error) {
Logger.log('Error inserting image: ' + error.message);
throw error; // Rethrow the error to be caught in the calling function
}
}
function getImageDimensions_(base64Image) {
var decodedImage = Utilities.base64Decode(base64Image);
var width = -1;
var height = -1;
for (var i = 0; i < decodedImage.length; i++) {
if (decodedImage[i] == 0xFF && decodedImage[i+1] == 0xC0) {
height = decodedImage[i+5] * 256 + decodedImage[i+6];
width = decodedImage[i+7] * 256 + decodedImage[i+8];
break;
}
}
return {width: width, height: height};
}
function resizeImage(fileId, maxWidth) {
var file = DriveApp.getFileById(fileId);
var blob = file.getBlob();
var image = blob.getAs('image/jpeg');
// Get image dimensions
var imageData = Utilities.base64Encode(image.getBytes());
var dimensions = getImageDimensions_(imageData);
if (dimensions.width > maxWidth) {
var newHeight = Math.round((maxWidth / dimensions.width) * dimensions.height);
var resizedBlob = image.getAs('image/jpeg').setWidth(maxWidth).setHeight(newHeight);
return resizedBlob;
}
return image;
}
function insertCellImage(range, imageData, altTitle = "", altDescription = "") {
let image = SpreadsheetApp
.newCellImage()
.setSourceUrl(imageData)
.setAltTextTitle(altTitle)
.setAltTextDescription(altDescription)
.build();
range.setValue(image);
}
function stopImageInsertion() {
PropertiesService.getScriptProperties().setProperty('shouldStop', 'true');
Logger.log('Stop flag set');
cleanupAfterStop();
return true; // Indicate that stop process is complete
}
function showUI() {
var html = HtmlService.createHtmlOutputFromFile('index')
.setWidth(650)
.setHeight(505);
SpreadsheetApp.getUi().showModalDialog(html, 'Insert Thumbnails');
}
function onOpen() {
var ui = SpreadsheetApp.getUi();
ui.createMenu('Custom Tools')
.addItem('Insert Thumbnails from GDrive', 'showUI')
.addToUi();
}
function cleanupAfterStop() {
var triggers = ScriptApp.getProjectTriggers();
for (var i = 0; i < triggers.length; i++) {
if (triggers[i].getHandlerFunction() == 'handleImageInsertion') {
ScriptApp.deleteTrigger(triggers[i]);
}
}
// Get all properties
var properties = PropertiesService.getScriptProperties().getProperties();
// Delete all properties except 'shouldStop'
for (var key in properties) {
if (key !== 'shouldStop') {
PropertiesService.getScriptProperties().deleteProperty(key);
}
}
// Ensure 'shouldStop' is set to 'true'
PropertiesService.getScriptProperties().setProperty('shouldStop', 'true');
Logger.log('All properties except shouldStop deleted, and shouldStop set to true');
}
function collectAndSortFiles(folderUrl) {
try {
collectFiles(folderUrl);
sortFiles();
return previewSortedFiles();
} catch (error) {
Logger.log('Error in collectAndSortFiles: ' + error.message);
return ['Error: ' + error.message];
}
}