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Implemented sync functionality with sheets and email sending

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This commit is contained in:
Roman Krček
2025-07-08 15:30:37 +02:00
parent 39bd172798
commit 5bd642b947
10 changed files with 1208 additions and 65 deletions
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122
src/lib/google/gmail/server.ts
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@@ -1,14 +1,14 @@
import { google } from 'googleapis';
import quotedPrintable from 'quoted-printable';
import { getAuthenticatedClient } from '../auth/server.js';
import { getOAuthClient } from '../auth/server.js';
/**
* Create an HTML email template
* Create an HTML email template with ScanWave branding
* @param text - Email body text
* @returns HTML email template
*/
export function createEmailTemplate(text: string): string {
return `<!DOCTYPE html>
return `<!DOCTYPE html>
<html lang="en">
<head>
<style>
@@ -16,73 +16,79 @@ export function createEmailTemplate(text: string): string {
</style>
</head>
<body style="font-family: 'Lato', sans-serif; background-color: #f9f9f9; padding: 20px; margin: 0;">
<div style="max-width: 600px; margin: auto; background: white; padding: 20px; border-radius: 8px;">
<p style="white-space: pre-line; font-size: 16px; color: #333;">${text}</p>
<img src="cid:qrCode1" alt="QR Code" style="display: block; margin: 20px auto; max-width: 50%; height: auto;" />
<div style="max-width: 600px; margin: auto; background: white; padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.05);">
<p style="white-space: pre-line;font-size: 16px; line-height: 1.5; color: #333;">${text}</p>
<img src="cid:qrCode1" alt="QR Code" style="display: block; margin: 20px auto; max-width: 50%; min-width: 200px; height: auto;" />
<div style="width: 100%; display: flex; flex-direction: row; justify-content: space-between">
<div style="height: 4px; width: 20%; background: #00aeef;"></div>
<div style="height: 4px; width: 20%; background: #ec008c;"></div>
<div style="height: 4px; width: 20%; background: #7ac143;"></div>
<div style="height: 4px; width: 20%; background: #f47b20;"></div>
<div style="height: 4px; width: 20%; background: #2e3192;"></div>
</div>
<div style="font-size: 12px; color: #999; padding-top: 0px; margin-top: 10px; line-height: 1.5; ">
<p>This email has been generated with the help of ScanWave</p>
</div>
</div>
</body>
</html>`;
}
/**
* Send an email through Gmail
* Send an email through Gmail with QR code
* @param refreshToken - Google refresh token
* @param params - Email parameters (to, subject, text, qr_code)
*/
export async function sendGmail(
refreshToken: string,
{
to,
subject,
text,
qr_code
}: {
to: string;
subject: string;
text: string;
qr_code: string;
}
refreshToken: string,
{ to, subject, text, qr_code }: { to: string; subject: string; text: string; qr_code: string }
) {
const oauth = getAuthenticatedClient(refreshToken);
const gmail = google.gmail({ version: 'v1', auth: oauth });
const message_html = createEmailTemplate(text);
const boundary = 'BOUNDARY';
const nl = '\r\n';
const oauth = getOAuthClient();
oauth.setCredentials({ refresh_token: refreshToken });
const htmlBuffer = Buffer.from(message_html, 'utf8');
const htmlLatin1 = htmlBuffer.toString('latin1');
const htmlQP = quotedPrintable.encode(htmlLatin1);
const qrLines = qr_code.replace(/.{1,76}/g, '$&' + nl);
const gmail = google.gmail({ version: 'v1', auth: oauth });
const rawParts = [
'MIME-Version: 1.0',
`To: ${to}`,
`Subject: ${subject}`,
`Content-Type: multipart/related; boundary="${boundary}"`,
'--' + boundary,
'Content-Type: text/html; charset="UTF-8"',
'Content-Transfer-Encoding: quoted-printable',
'',
htmlQP,
'',
'--' + boundary,
'Content-Type: image/png',
'Content-Transfer-Encoding: base64',
'Content-ID: <qrCode1>',
'Content-Disposition: inline; filename="qr.png"',
'',
qrLines,
'',
'--' + boundary + '--',
''
];
const rawMessage = rawParts.join(nl);
const raw = Buffer.from(rawMessage).toString('base64url');
const message_html = createEmailTemplate(text);
await gmail.users.messages.send({
userId: 'me',
requestBody: { raw }
});
const boundary = 'BOUNDARY';
const nl = '\r\n'; // RFC-5322 line ending
// Convert HTML to a Buffer, then to latin1 string for quotedPrintable.encode
const htmlBuffer = Buffer.from(message_html, 'utf8');
const htmlLatin1 = htmlBuffer.toString('latin1');
const htmlQP = quotedPrintable.encode(htmlLatin1);
const qrLines = qr_code.replace(/.{1,76}/g, '$&' + nl);
const rawParts = [
'MIME-Version: 1.0',
`To: ${to}`,
`Subject: ${subject}`,
`Content-Type: multipart/related; boundary="${boundary}"`,
'',
`--${boundary}`,
'Content-Type: text/html; charset="UTF-8"',
'Content-Transfer-Encoding: quoted-printable',
'',
htmlQP,
'',
`--${boundary}`,
'Content-Type: image/png',
'Content-Transfer-Encoding: base64',
'Content-ID: <qrCode1>',
'Content-Disposition: inline; filename="qr.png"',
'',
qrLines,
'',
`--${boundary}--`,
''
];
const rawMessage = rawParts.join(nl);
const raw = Buffer.from(rawMessage).toString('base64url');
await gmail.users.messages.send({
userId: 'me',
requestBody: { raw }
});
}