export default async function main(args) {
// Retrieve input variables: searchQuery, userEmail, and apiKey
const { searchQuery, userEmail, apiKey } = args.inputVars;
// Custom function for base64 encoding
function base64Encode(str) {
const charSet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
let output = '';
for (let i = 0; i < str.length; i += 3) {
const byte1 = str.charCodeAt(i) & 0xFF;
const byte2 = i + 1 < str.length ? str.charCodeAt(i + 1) & 0xFF : 0;
const byte3 = i + 2 < str.length ? str.charCodeAt(i + 2) & 0xFF : 0;
const enc1 = byte1 >> 2;
const enc2 = ((byte1 & 0x3) << 4) | (byte2 >> 4);
const enc3 = ((byte2 & 0xF) << 2) | (byte3 >> 6);
const enc4 = byte3 & 0x3F;
if (isNaN(byte2)) {
output += charSet.charAt(enc1) + charSet.charAt(enc2) + '==';
} else if (isNaN(byte3)) {
output += charSet.charAt(enc1) + charSet.charAt(enc2) + charSet.charAt(enc3) + '=';
} else {
output += charSet.charAt(enc1) + charSet.charAt(enc2) + charSet.charAt(enc3) + charSet.charAt(enc4);
}
}
return output;
}
// Construct the credentials string and encode it using the custom base64Encode function
const encodedCredentials = base64Encode(`${userEmail}/token:${apiKey}`);
// Set up the headers with the encoded credentials
const headers = {
'Accept': 'application/json',
'Authorization': `Basic ${encodedCredentials}`
};
// The URL for the API endpoint with the search query
const url = `https://voiceflow.zendesk.com/api/v2/help_center/articles/search?query=${encodeURIComponent(searchQuery)}`;
// Make the GET request to the API endpoint
const response = await fetch(url, { method: 'GET', headers: headers });
// Accessing the response body using Voiceflow's fetch API
const responseBody = response.json;
// Create cards for the carousel, limited to 3 articles
const cards = responseBody.results.slice(0, 3).map(article => ({
imageUrl: "https://yourimageurl.com/image.png", // Placeholder image URL
title: article.title,
description: {
text: "Click to read more" // Placeholder description
},
buttons: [{
name: "Read Article",
payload: {
actions: [{
type: "open_url",
url: article.html_url
}]
}
}]
}));
return {
next: {
path: 'success'
},
trace: [{
type: "carousel",
payload: {
cards: cards
}
}]
};
}
