track-visitors.js

if (window.location.hostname !== 'siyuanli.tech' && 
    window.location.hostname !== 'www.siyuanli.tech' &&
    // window.location.hostname !== '127.0.0.1' &&
    window.location.hostname !== 'liaoyanqing666.github.io') {
  console.log("skip record");
} else {
  const firebaseConfig = {
      apiKey: "AIzaSyA-3ixTu3oWvwF4z0Jdn5M76zte5SwEDGI",
      authDomain: "personal-website-52b2e.firebaseapp.com",
      projectId: "personal-website-52b2e",
      storageBucket: "personal-website-52b2e.firebasestorage.app",
      messagingSenderId: "1007724884899",
      appId: "1:1007724884899:web:5957fdab33d460f8e9e016"
  };

  firebase.initializeApp(firebaseConfig);
  const db = firebase.firestore();

  fetch('https://ipapi.co/json/')
      .then(response => response.json())
      .then(data => {
          const ip = data.ip || '';
          const city = data.city || '';
          const region = data.region || '';
          const country = data.country_name || '';

          const excludedCountries = ["Japan", "Singapore", "Taiwan"];
          if (excludedCountries.includes(country)) {
              console.log(`Visitor from ${country} is excluded from logging.`);
              return;
          }

          const now = new Date();
          const utcTimestamp = now.getTime() + (now.getTimezoneOffset() * 60000);
          const beijingOffset = 8 * 60 * 60000;
          const beijingTime = new Date(utcTimestamp + beijingOffset);

          const year = beijingTime.getFullYear();
          const month = String(beijingTime.getMonth() + 1).padStart(2, '0');
          const day = String(beijingTime.getDate()).padStart(2, '0');
          const hours = String(beijingTime.getHours()).padStart(2, '0');
          const minutes = String(beijingTime.getMinutes()).padStart(2, '0');
          const seconds = String(beijingTime.getSeconds()).padStart(2, '0');
          const milliseconds = String(beijingTime.getMilliseconds()).padStart(3, '0');

          const timestamp = `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;

          const log = {
              ip: ip,
              city: city,
              region: region,
              country: country,
              timestamp: timestamp
          };

          const logPath = `${year}/${month}/${day}`;
          db.collection(logPath).doc(`${year}${month}${day}${hours}${minutes}${seconds}${milliseconds}`).set(log)
              .then(() => {
                  console.log("Visitor data saved successfully");
              })
              .catch(error => {
                  console.error("Error saving visitor data: ", error);
              });
      })
      .catch(error => {
          console.error("Error fetching IP info: ", error);
      });
}