From 52dd381304bf920eeced8985e8ab1d4cb1bc40a4 Mon Sep 17 00:00:00 2001
From: Mitja Felicijan <mitja.felicijan@gmail.com>
Date: Fri, 25 Oct 2019 01:49:59 +0200
Subject: Added simple commenting system with Firebase Database integration

---
 src/static/comments.js | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 src/static/comments.js

(limited to 'src/static/comments.js')

diff --git a/src/static/comments.js b/src/static/comments.js
new file mode 100644
index 0000000..c8234d2
--- /dev/null
+++ b/src/static/comments.js
@@ -0,0 +1,63 @@
+var firebaseConfig = {
+  apiKey: "AIzaSyD3E0XtiUJI4-JIxcIPZziNLGVaTdojz20",
+  authDomain: "mitja-felicijan-blog.firebaseapp.com",
+  databaseURL: "https://mitja-felicijan-blog.firebaseio.com",
+  projectId: "mitja-felicijan-blog",
+  storageBucket: "mitja-felicijan-blog.appspot.com",
+  messagingSenderId: "41650892882",
+  appId: "1:41650892882:web:b308f0a9c47198bdf7ef8b"
+};
+firebase.initializeApp(firebaseConfig);
+
+var database = firebase.database();
+var docPath = 'comments' + window.location.pathname.replace('.html', '');
+var submit = document.querySelector('#submit');
+var comments = document.querySelector('.comments ul');
+var textName = document.querySelector('#name');
+var textComment = document.querySelector('#comment');
+var ref = firebase.database().ref(docPath);
+
+function encodeHTML(s) {
+  return s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/"/g, '&quot;');
+}
+
+ref.on("value", function (snapshot) {
+  comments.innerHTML = '';
+  var commentList = Array();
+
+  // generating normal array
+  snapshot.forEach(function (item) {
+    commentList.push(item.val())
+  });
+
+  // rendering html
+  commentList.reverse().forEach(function (item) {
+    var liItem = `<li>
+        <div><b>${encodeHTML(item.name)}</b> - ${encodeHTML(item.published)}</div>
+        <div>${encodeHTML(item.comment)}</div>
+      </li>`;
+    comments.innerHTML += liItem;
+  });
+
+}, function (errorObject) {
+  console.log("The read failed: " + errorObject.code);
+});
+
+submit.addEventListener('click', function (evt) {
+  if (textName.value && textComment.value) {
+    submit.disabled = true;
+    firebase.database().ref(docPath + '/' + Date.now()).set({
+      name: textName.value,
+      comment: textComment.value,
+      published: new Date().toISOString().slice(0, 16).replace('T', ' '),
+    }, function (error) {
+      if (error) {
+        alert('Data could not be saved.' + error);
+      } else {
+        textName.value = '';
+        textComment.value = '';
+        submit.disabled = false;
+      }
+    });
+  }
+});
-- 
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