125 lines
3.8 KiB
JavaScript
125 lines
3.8 KiB
JavaScript
// Import Firebase
|
|
import { initializeApp } from 'https://www.gstatic.com/firebasejs/10.12.0/firebase-app.js'
|
|
import { getDatabase, ref, push, onValue, update } from 'https://www.gstatic.com/firebasejs/10.12.0/firebase-database.js'
|
|
|
|
// Set up Firebase database
|
|
const appSettings = {
|
|
databaseURL: 'https://leilukin-s-hub-guestbook-default-rtdb.asia-southeast1.firebasedatabase.app/'
|
|
};
|
|
const app = initializeApp(appSettings);
|
|
const database = getDatabase(app);
|
|
const guestbookInDB = ref(database, "guestbook");
|
|
|
|
// Get DOM elements
|
|
const formEl = document.querySelector('.gb__form');
|
|
const nameInputEl = document.querySelector('#name-input');
|
|
const emailInputEl = document.querySelector('#email-input');
|
|
const websiteInputEl = document.querySelector('#website-input');
|
|
const msgInputEl = document.querySelector('#message-input');
|
|
const messageListEl = document.querySelector('.gb__message--list');
|
|
|
|
// Initiate guestbook message object
|
|
let messageObj = {
|
|
name: '',
|
|
email: '',
|
|
website: '',
|
|
message: '',
|
|
timestamp: '',
|
|
};
|
|
|
|
// Form submission event
|
|
formEl.addEventListener('submit', (e) => {
|
|
e.preventDefault();
|
|
addMessage();
|
|
clearInputEl();
|
|
});
|
|
|
|
const formatDate = () => {
|
|
const formatter = new Intl.DateTimeFormat("en-GB", {
|
|
dateStyle: "full",
|
|
timeStyle: "full",
|
|
});
|
|
const now = new Date();
|
|
const formattedDate = formatter.format(now);
|
|
return formattedDate;
|
|
};
|
|
|
|
const addMessage = () => {
|
|
messageObj = {
|
|
...messageObj,
|
|
name: nameInputEl.value,
|
|
email: emailInputEl.value,
|
|
website: websiteInputEl.value,
|
|
timestamp: formatDate(),
|
|
message: msgInputEl.value
|
|
}
|
|
push(guestbookInDB, messageObj);
|
|
};
|
|
|
|
// Clear input fields
|
|
const clearInputEl = () => {
|
|
nameInputEl.value = '';
|
|
emailInputEl.value = '';
|
|
websiteInputEl.value = '';
|
|
msgInputEl.value = '';
|
|
};
|
|
|
|
// Load data from the Firebase database
|
|
onValue(guestbookInDB, (snapshot) => {
|
|
if (snapshot.exists()) {
|
|
let messagesArr = Object.entries(snapshot.val()).reverse();
|
|
|
|
clearMessageListEl();
|
|
|
|
messagesArr.forEach((item) => {
|
|
renderMessage(item);
|
|
});
|
|
} else {
|
|
messageListEl.textContent = 'No messages here... yet. Be the first!';
|
|
}
|
|
});
|
|
|
|
// Prevent rendering any message more than once
|
|
const clearMessageListEl = () => {
|
|
messageListEl.innerHTML = '';
|
|
};
|
|
|
|
// Render each message
|
|
const renderMessage = (item) => {
|
|
const itemID = item[0];
|
|
const itemValue = item[1];
|
|
|
|
const newThreadDiv = document.createElement('div');
|
|
newThreadDiv.classList.add('gb__thread');
|
|
newThreadDiv.id = `thread-${itemID}`;
|
|
|
|
const newMessageDiv = document.createElement('div');
|
|
newMessageDiv.classList.add('gb__message');
|
|
newMessageDiv.id = `msg-${itemID}`;
|
|
|
|
const newMessageName = document.createElement('p');
|
|
newMessageName.classList.add('gb__message--name');
|
|
newMessageName.textContent = `${itemValue.name} said:`;
|
|
|
|
if (itemValue.website !== null && itemValue.website !== '') {
|
|
newMessageName.innerHTML = `
|
|
<a href="${itemValue.website}">${itemValue.name}</a> said:
|
|
`;
|
|
}
|
|
|
|
const newMessageMsg = document.createElement('p');
|
|
newMessageMsg.classList.add('gb__message--msg');
|
|
newMessageMsg.textContent = itemValue.message;
|
|
|
|
const newMessageTime = document.createElement('time');
|
|
newMessageTime.classList.add('gb__message--time');
|
|
newMessageTime.textContent = itemValue.timestamp;
|
|
|
|
const messageReplyBtn = document.createElement('button');
|
|
messageReplyBtn.classList.add('gb__message--reply-btn');
|
|
messageReplyBtn.textContent = 'Reply';
|
|
|
|
messageListEl.append(newThreadDiv);
|
|
newThreadDiv.append(newMessageDiv);
|
|
newMessageDiv.append(newMessageName, newMessageMsg, newMessageTime, messageReplyBtn);
|
|
}; |