Files
item-scraper/google-script.js
2026-03-12 09:08:15 -04:00

83 lines
2.7 KiB
JavaScript

/**
* Google Apps Script to handle POST requests from the Chrome Extension
* 1. Create a new Google Sheet.
* 2. Extensions > Apps Script.
* 3. Paste this code.
* 4. Deploy > New Deployment > Web App.
* 5. Set 'Execute as: Me' and 'Who has access: Anyone'.
* 6. Copy the Web App URL and paste it into the Extension.
*/
function doPost(e) {
try {
var data = JSON.parse(e.postData.contents);
var ss = SpreadsheetApp.getActiveSpreadsheet();
var sheet;
// 1. Get or Create the target sheet
if (data.sheetName) {
sheet = ss.getSheetByName(data.sheetName);
if (!sheet) {
sheet = ss.insertSheet(data.sheetName);
}
} else {
sheet = ss.getActiveSheet();
}
var existingHeaders = [];
var lastCol = sheet.getLastColumn();
var lastRow = sheet.getLastRow();
// 2. Get incoming headers (from data.headers or keys)
var incomingHeaders = data.headers || Object.keys(data).filter(function(k) {
return !["sheetName", "headers"].includes(k);
});
if (lastRow === 0) {
// New sheet: Write all incoming headers as the first row
existingHeaders = incomingHeaders;
sheet.appendRow(existingHeaders);
} else {
// Existing sheet: Read current headers from row 1
existingHeaders = sheet.getRange(1, 1, 1, lastCol).getValues()[0];
// Find headers that are in 'incoming' but not in 'existing'
var missingHeaders = incomingHeaders.filter(function(h) {
return existingHeaders.indexOf(h) === -1;
});
if (missingHeaders.length > 0) {
// Append missing headers to the end of row 1
sheet.getRange(1, lastCol + 1, 1, missingHeaders.length).setValues([missingHeaders]);
// Update local existingHeaders list to include new ones
existingHeaders = existingHeaders.concat(missingHeaders);
}
}
// 3. Map data to the (potentially updated) existingHeaders
var row = existingHeaders.map(function(header) {
var val = data[header];
if (val === undefined || val === null) return "";
if (typeof val === 'object') return JSON.stringify(val);
return val;
});
sheet.appendRow(row);
return ContentService.createTextOutput(JSON.stringify({
status: "success",
sheet: sheet.getName(),
addedColumns: missingHeaders ? missingHeaders.length : 0
})).setMimeType(ContentService.MimeType.JSON);
} catch (error) {
return ContentService.createTextOutput(JSON.stringify({ status: "error", message: error.toString() }))
.setMimeType(ContentService.MimeType.JSON);
}
}
function doOptions(e) {
return ContentService.createTextOutput("")
.setMimeType(ContentService.MimeType.TEXT);
}