mobileAppFlow.js

if (org.settings && org.settings.mobileWalletEnabled) {
      const login_hint = uuid();
      const credentialId = cert.id;
      const loginHint = {
        credentialId,
        login_hint,
        credentialType: OIDC_DEFAULT_CREDENTIAL_TYPE,
        expiry: Date.now() + OIDC_DOES_NOT_EXPIRE_TTL, // no expiry for now...
        purpose: OIDC_LOGIN_HINT_CREDENTIAL_ISSUANCE_PURPOSE,
        multiUse: true, // allow these to be picked up mutliple times for now
      };

      const loginHintInsertRes = await db.conn.collection(OIDC_LOGIN_HINTS_COLLECTION)
        .insertOne(loginHint);
      // If successful then build the Mobile URL
      if (loginHintInsertRes.insertedCount === 1) {
        // This is a third party initiated login
        const iss = `${API_URL}/oidc/auth`;
        const query = encodeURIComponent(`iss=${iss}&login_hint=${login_hint}`);
        
        /**
         * @TODO - need to define MOBILE_URL but the mobile wallet will just parse iss and login_hint anyways
         */
        mobileUrl = `${MOBILE_WALLET_INIT_LOGIN_URL}?${query}`;

        /**
         * @NOTE - pattern that was used before to get the QR code into an html email emplate...
         *          perhaps sendgrid templates have an option to encode url as qr code...?
         */
        // Set the initiate login QR code as an option to download to a separate device
        const downloadQrCode = await qrcode.toDataURL(mobileUrl);
        // just want the data need to get rid of the data url prefix
        const base64Data = downloadQrCode.split(',')[1];
        const Body = Buffer.from(base64Data, 'base64');
        const env = DEPLOYED_ENV || 'temp';
        const Key = `download-qr-codes/${env}/${cert.id}.png`;
        const Bucket = AWS_TRYBE_PUBLIC_ASSETS_BUCKETS;
        const {
          Location,
        } = await aws.uploadObject({
          Bucket,
          Body,
          Key,
          ACL: 'public-read',
        });
        downloadUrl = Location;
      }
    }

    /**
     * @TODO - proceed to execute ending the email but will need to use a template that support the mobile app as well
     */