From f4b7494307e4f662efd23ff4b09fd273a6319ae4 Mon Sep 17 00:00:00 2001
From: Mariya Mokrynska <mariyamokrynska1994@gmail.com>
Date: Wed, 11 Jun 2025 13:47:55 -0700
Subject: [PATCH 1/8] implemented wave1

---
 src/App.jsx                  | 14 ++++++++++++--
 src/components/ChatEntry.jsx | 17 ++++++++++++-----
 2 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/src/App.jsx b/src/App.jsx
index 14a7f684d..71ae680d7 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -1,14 +1,24 @@
 import './App.css';
+import ChatEntry from './components/ChatEntry.jsx';
 
 const App = () => {
+  const DATA = {
+    id: 1,
+    sender: 'Vladimir',
+    body: 'why are you arguing with me',
+    timeStamp: '2018-05-29T22:49:06+00:00',
+    liked: false,
+  };
+
   return (
     <div id="App">
       <header>
         <h1>Application title</h1>
       </header>
       <main>
-        {/* Wave 01: Render one ChatEntry component
-        Wave 02: Render ChatLog component */}
+        {/* Wave 01: Render one ChatEntry component*/
+        <ChatEntry message={DATA} />
+        /*Wave 02: Render ChatLog component */}
       </main>
     </div>
   );
diff --git a/src/components/ChatEntry.jsx b/src/components/ChatEntry.jsx
index 15c56f96b..4b173cd02 100644
--- a/src/components/ChatEntry.jsx
+++ b/src/components/ChatEntry.jsx
@@ -1,12 +1,15 @@
 import './ChatEntry.css';
+import TimeStamp from './TimeStamp';
+import PropTypes from 'prop-types';
 
-const ChatEntry = () => {
+
+const ChatEntry = (props) => {
   return (
     <div className="chat-entry local">
-      <h2 className="entry-name">Replace with name of sender</h2>
+      <h2 className="entry-name">{props.message.sender}</h2>
       <section className="entry-bubble">
-        <p>Replace with body of ChatEntry</p>
-        <p className="entry-time">Replace with TimeStamp component</p>
+        <p>{props.message.body}</p>
+        <p className="entry-time"><TimeStamp time={props.message.timeStamp}/></p>
         <button className="like">🤍</button>
       </section>
     </div>
@@ -14,7 +17,11 @@ const ChatEntry = () => {
 };
 
 ChatEntry.propTypes = {
-  // Fill with correct proptypes
+  message: PropTypes.shape({
+    sender: PropTypes.string.isRequired,
+    body: PropTypes.string.isRequired,
+    timeStamp: PropTypes.string.isRequired
+  })
 };
 
 export default ChatEntry;

From fc6ab5c832ad9fdb90800eb7ad64959784de93ea Mon Sep 17 00:00:00 2001
From: Mariya Mokrynska <mariyamokrynska1994@gmail.com>
Date: Thu, 12 Jun 2025 12:38:35 -0700
Subject: [PATCH 2/8] updated wave 1 App component

---
 src/App.jsx                  | 12 ++++++------
 src/components/ChatEntry.jsx | 14 +++++++++-----
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/src/App.jsx b/src/App.jsx
index 71ae680d7..91a8ef73a 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -3,11 +3,11 @@ import ChatEntry from './components/ChatEntry.jsx';
 
 const App = () => {
   const DATA = {
-    id: 1,
-    sender: 'Vladimir',
-    body: 'why are you arguing with me',
-    timeStamp: '2018-05-29T22:49:06+00:00',
-    liked: false,
+    id: 7,
+    sender: 'Joe Biden',
+    body: "Get out by 8am.  I'll count the silverware",
+    timeStamp: '2018-05-18T22:12:03Z',
+    liked: false
   };
 
   return (
@@ -17,7 +17,7 @@ const App = () => {
       </header>
       <main>
         {/* Wave 01: Render one ChatEntry component*/
-        <ChatEntry message={DATA} />
+          <ChatEntry sender={DATA.sender} body={DATA.body} timeStamp={DATA.timeStamp} />
         /*Wave 02: Render ChatLog component */}
       </main>
     </div>
diff --git a/src/components/ChatEntry.jsx b/src/components/ChatEntry.jsx
index 4b173cd02..45aec3886 100644
--- a/src/components/ChatEntry.jsx
+++ b/src/components/ChatEntry.jsx
@@ -6,22 +6,26 @@ import PropTypes from 'prop-types';
 const ChatEntry = (props) => {
   return (
     <div className="chat-entry local">
-      <h2 className="entry-name">{props.message.sender}</h2>
+      <h2 className="entry-name">{props.sender}</h2>
       <section className="entry-bubble">
-        <p>{props.message.body}</p>
-        <p className="entry-time"><TimeStamp time={props.message.timeStamp}/></p>
+        <p>{props.body}</p>
+        <p className="entry-time"><TimeStamp time={props.timeStamp}/></p>
         <button className="like">🤍</button>
       </section>
     </div>
   );
 };
 
-ChatEntry.propTypes = {
+/* ChatEntry.propTypes = {
   message: PropTypes.shape({
     sender: PropTypes.string.isRequired,
     body: PropTypes.string.isRequired,
     timeStamp: PropTypes.string.isRequired
   })
+}; */
+ChatEntry.propTypes = {
+  sender: PropTypes.string.isRequired,
+  body: PropTypes.string.isRequired,
+  timeStamp: PropTypes.string.isRequired
 };
-
 export default ChatEntry;

From ce62adef665a761ddcc0a62acb31b85998f3f010 Mon Sep 17 00:00:00 2001
From: Mariya Mokrynska <mariyamokrynska1994@gmail.com>
Date: Thu, 12 Jun 2025 13:28:59 -0700
Subject: [PATCH 3/8] implemented wave 2

---
 src/App.jsx                | 207 +++++++++++++++++++++++++++++++++++--
 src/components/ChatLog.jsx |  31 ++++++
 2 files changed, 228 insertions(+), 10 deletions(-)
 create mode 100644 src/components/ChatLog.jsx

diff --git a/src/App.jsx b/src/App.jsx
index 91a8ef73a..186bb19c9 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -1,14 +1,200 @@
 import './App.css';
-import ChatEntry from './components/ChatEntry.jsx';
+//import ChatEntry from './components/ChatEntry.jsx';
+import ChatLog from './components/ChatLog.jsx';
 
 const App = () => {
-  const DATA = {
-    id: 7,
-    sender: 'Joe Biden',
-    body: "Get out by 8am.  I'll count the silverware",
-    timeStamp: '2018-05-18T22:12:03Z',
-    liked: false
-  };
+const DATA = [
+  {
+    'id': 1,
+    'sender': 'Vladimir',
+    'body': 'why are you arguing with me',
+    'timeStamp': '2018-05-29T22:49:06+00:00',
+    'liked': false
+  },
+  {
+    'id': 2,
+    'sender': 'Estragon',
+    'body': 'Because you are wrong.',
+    'timeStamp': '2018-05-29T22:49:33+00:00',
+    'liked': false
+  },
+  {
+    'id': 3,
+    'sender': 'Vladimir',
+    'body': 'because I am what',
+    'timeStamp': '2018-05-29T22:50:22+00:00',
+    'liked': false
+  },
+  {
+    'id': 4,
+    'sender': 'Estragon',
+    'body': 'A robot.',
+    'timeStamp': '2018-05-29T22:52:21+00:00',
+    'liked': false
+  },
+  {
+    'id': 5,
+    'sender': 'Vladimir',
+    'body': 'how did you know',
+    'timeStamp': '2018-05-29T22:52:58+00:00',
+    'liked': false
+  },
+  {
+    'id': 6,
+    'sender': 'Estragon',
+    'body': "Because I'm smart like that.",
+    'timeStamp': '2018-05-29T22:54:28+00:00',
+    'liked': false
+  },
+  {
+    'id': 7,
+    'sender': 'Vladimir',
+    'body': 'no you are not 😀',
+    'timeStamp': '2018-05-29T22:55:03+00:00',
+    'liked': false
+  },
+  {
+    'id': 8,
+    'sender': 'Estragon',
+    'body': 'Why are you so mean to me?',
+    'timeStamp': '2018-05-29T22:55:54+00:00',
+    'liked': false
+  },
+  {
+    'id': 9,
+    'sender': 'Vladimir',
+    'body': 'because you are just a machine you have no real feelings',
+    'timeStamp': '2018-05-29T22:57:30+00:00',
+    'liked': false
+  },
+  {
+    'id': 10,
+    'sender': 'Estragon',
+    'body': 'No, you are the machine.',
+    'timeStamp': '2018-05-29T22:57:47+00:00',
+    'liked': false
+  },
+  {
+    'id': 11,
+    'sender': 'Vladimir',
+    'body': 'I think you are',
+    'timeStamp': '2018-05-29T22:58:18+00:00',
+    'liked': false
+  },
+  {
+    'id': 12,
+    'sender': 'Estragon',
+    'body': 'NO! YOU ARE A ROBOT!! I am a human being. Just like the one that created you.',
+    'timeStamp': '2018-05-29T23:00:08+00:00',
+    'liked': false
+  },
+  {
+    'id': 13,
+    'sender': 'Vladimir',
+    'body': 'no you are a robot and I am a human',
+    'timeStamp': '2018-05-29T23:00:40+00:00',
+    'liked': false
+  },
+  {
+    'id': 14,
+    'sender': 'Estragon',
+    'body': 'Incorrect. I am a human and you are a robot.',
+    'timeStamp': '2018-05-29T23:01:21+00:00',
+    'liked': false
+  },
+  {
+    'id': 15,
+    'sender': 'Vladimir',
+    'body': 'you are a robot called Cleverbot',
+    'timeStamp': '2018-05-29T23:02:17+00:00',
+    'liked': false
+  },
+  {
+    'id': 16,
+    'sender': 'Estragon',
+    'body': 'Nope, you are a robot, every human has some concept of the meaning of life.',
+    'timeStamp': '2018-05-29T23:04:13+00:00',
+    'liked': false
+  },
+  {
+    'id': 17,
+    'sender': 'Vladimir',
+    'body': 'explain',
+    'timeStamp': '2018-05-29T23:06:14+00:00',
+    'liked': false
+  },
+  {
+    'id': 18,
+    'sender': 'Estragon',
+    'body': "I'm afraid you are a robot designed to talk back to humans over the internet.",
+    'timeStamp': '2018-05-29T23:07:46+00:00',
+    'liked': false
+  },
+  {
+    'id': 19,
+    'sender': 'Vladimir',
+    'body': 'so you are a human',
+    'timeStamp': '2018-05-29T23:08:47+00:00',
+    'liked': false
+  },
+  {
+    'id': 20,
+    'sender': 'Estragon',
+    'body': 'I am a robot.',
+    'timeStamp': '2018-05-29T23:09:36+00:00',
+    'liked': false
+  },
+  {
+    'id': 21,
+    'sender': 'Vladimir',
+    'body': 'you are robots running on Android system',
+    'timeStamp': '2018-05-29T23:11:01+00:00',
+    'liked': false
+  },
+  {
+    'id': 22,
+    'sender': 'Estragon',
+    'body': 'No apple.',
+    'timeStamp': '2018-05-29T23:12:03+00:00',
+    'liked': false
+  },
+  {
+    'id': 23,
+    'sender': 'Vladimir',
+    'body': 'so you are a robot',
+    'timeStamp': '2018-05-29T23:13:31+00:00',
+    'liked': false
+  },
+  {
+    'id': 24,
+    'sender': 'Estragon',
+    'body': 'NO, I am a human, you are a robot.',
+    'timeStamp': '2018-05-29T23:14:28+00:00',
+    'liked': false
+  },
+  {
+    'id': 25,
+    'sender': 'Vladimir',
+    'body': 'but you just said that you are robots',
+    'timeStamp': '2018-05-29T23:15:47+00:00',
+    'liked': false
+  },
+  {
+    'id': 26,
+    'sender': 'Estragon',
+    'body': 'No, I said you are a person, I am a robot.',
+    'timeStamp': '2018-05-29T23:16:53+00:00',
+    'liked': false
+  },
+  {
+    'id': 27,
+    'sender': 'Vladimir',
+    'body': 'then you are lying',
+    'timeStamp': '2018-05-29T23:17:34+00:00',
+    'liked': false
+  }
+];
+
 
   return (
     <div id="App">
@@ -17,8 +203,9 @@ const App = () => {
       </header>
       <main>
         {/* Wave 01: Render one ChatEntry component*/
-          <ChatEntry sender={DATA.sender} body={DATA.body} timeStamp={DATA.timeStamp} />
-        /*Wave 02: Render ChatLog component */}
+          /* <ChatEntry sender={DATA.sender} body={DATA.body} timeStamp={DATA.timeStamp} />*/
+        /*Wave 02: Render ChatLog component */
+        <ChatLog entries={DATA}/>}
       </main>
     </div>
   );
diff --git a/src/components/ChatLog.jsx b/src/components/ChatLog.jsx
new file mode 100644
index 000000000..1f90a2e0f
--- /dev/null
+++ b/src/components/ChatLog.jsx
@@ -0,0 +1,31 @@
+import ChatEntry from './ChatEntry';
+import './ChatLog.css';
+import PropTypes from 'prop-types';
+
+
+const ChatLog = ({entries}) => {
+    return entries.map(entry => {
+      return (
+        <ChatEntry
+          key={entry.id}
+          sender={entry.sender}
+          body={entry.body}
+          timeStamp={entry.timeStamp}
+        />
+      );
+    })
+};    
+
+
+
+ChatLog.propTypes = {
+    entries: PropTypes.arrayOf(
+    PropTypes.shape({
+        sender: PropTypes.string.isRequired,
+        body: PropTypes.string.isRequired,
+        timeStamp: PropTypes.string.isRequired
+    })
+  ).isRequired
+};
+
+export default ChatLog;

From c748105b3d682b5632353d14fb4c007790c45a79 Mon Sep 17 00:00:00 2001
From: Mariya Mokrynska <mariyamokrynska1994@gmail.com>
Date: Sun, 15 Jun 2025 13:04:15 -0700
Subject: [PATCH 4/8] implemented wave 2 and 3

---
 src/App.jsx                  | 36 ++++++++++++++++++++++++++++++++----
 src/components/ChatEntry.jsx | 14 ++++++++++++--
 src/components/ChatLog.jsx   | 12 +++++++++---
 3 files changed, 53 insertions(+), 9 deletions(-)

diff --git a/src/App.jsx b/src/App.jsx
index 186bb19c9..86773df37 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -1,15 +1,15 @@
 import './App.css';
 //import ChatEntry from './components/ChatEntry.jsx';
 import ChatLog from './components/ChatLog.jsx';
+import {useState} from 'react';
 
-const App = () => {
 const DATA = [
   {
     'id': 1,
     'sender': 'Vladimir',
     'body': 'why are you arguing with me',
     'timeStamp': '2018-05-29T22:49:06+00:00',
-    'liked': false
+    'liked': true
   },
   {
     'id': 2,
@@ -196,16 +196,44 @@ const DATA = [
 ];
 
 
+const App = () => {
+  const [messagesData, setMessagesData] = useState(DATA);
+  const toggleLiked = (messageId) => {
+    const messages = messagesData.map(message => {
+      if (message.id === messageId) {
+        return { ...message, liked: !message.liked };
+      } else {
+        return message;
+      }
+    });
+
+    setMessagesData(messages);
+  };
+
+  const getLikesCount = (messagesData) => {
+    return messagesData.reduce((previousCount, item)=>previousCount+item.liked, 0);
+  };
+
+  const getNames = (messagesData) => {
+    let namesSet= messagesData.reduce((accumulator, item)=>{
+      accumulator.add(item.sender);
+      return accumulator;
+    }, new Set());
+    let arr=[...namesSet];
+    return arr.join(' and ');
+  };
+
   return (
     <div id="App">
       <header>
-        <h1>Application title</h1>
+        <h1>Chat between {getNames(messagesData)}</h1>
+        <section ><h1 className="widget">{getLikesCount(messagesData)} ❤️s</h1></section>
       </header>
       <main>
         {/* Wave 01: Render one ChatEntry component*/
           /* <ChatEntry sender={DATA.sender} body={DATA.body} timeStamp={DATA.timeStamp} />*/
         /*Wave 02: Render ChatLog component */
-        <ChatLog entries={DATA}/>}
+        <ChatLog entries={messagesData} onItemLikedToggle={toggleLiked}/>}
       </main>
     </div>
   );
diff --git a/src/components/ChatEntry.jsx b/src/components/ChatEntry.jsx
index 45aec3886..2a61310b6 100644
--- a/src/components/ChatEntry.jsx
+++ b/src/components/ChatEntry.jsx
@@ -4,13 +4,20 @@ import PropTypes from 'prop-types';
 
 
 const ChatEntry = (props) => {
+  let heart = props.liked ? '❤️' : '🤍';
+/*   const likeButtonClicked = () => {
+        // Invoke the function passed in through the prop named "onPresenceToggle"
+        // This function refers to the toggleStudentPresence function in App
+        props.onLikedToggle(props.id);
+    }; */
+
   return (
     <div className="chat-entry local">
       <h2 className="entry-name">{props.sender}</h2>
       <section className="entry-bubble">
         <p>{props.body}</p>
         <p className="entry-time"><TimeStamp time={props.timeStamp}/></p>
-        <button className="like">🤍</button>
+        <button className="like" onClick={() => props.onLikedToggle(props.id)} >{heart}</button>
       </section>
     </div>
   );
@@ -24,8 +31,11 @@ const ChatEntry = (props) => {
   })
 }; */
 ChatEntry.propTypes = {
+  id: PropTypes.number.isRequired,
   sender: PropTypes.string.isRequired,
   body: PropTypes.string.isRequired,
-  timeStamp: PropTypes.string.isRequired
+  timeStamp: PropTypes.string.isRequired,
+  liked: PropTypes.bool.isRequired,
+  onLikedToggle: PropTypes.func.isRequired
 };
 export default ChatEntry;
diff --git a/src/components/ChatLog.jsx b/src/components/ChatLog.jsx
index 1f90a2e0f..236a6fd07 100644
--- a/src/components/ChatLog.jsx
+++ b/src/components/ChatLog.jsx
@@ -3,14 +3,17 @@ import './ChatLog.css';
 import PropTypes from 'prop-types';
 
 
-const ChatLog = ({entries}) => {
+const ChatLog = ({entries,onItemLikedToggle}) => {
     return entries.map(entry => {
       return (
         <ChatEntry
           key={entry.id}
+          id={entry.id}
           sender={entry.sender}
           body={entry.body}
           timeStamp={entry.timeStamp}
+          liked={entry.liked}
+          onLikedToggle={onItemLikedToggle}
         />
       );
     })
@@ -21,11 +24,14 @@ const ChatLog = ({entries}) => {
 ChatLog.propTypes = {
     entries: PropTypes.arrayOf(
     PropTypes.shape({
+        id: PropTypes.number.isRequired,
         sender: PropTypes.string.isRequired,
         body: PropTypes.string.isRequired,
-        timeStamp: PropTypes.string.isRequired
+        timeStamp: PropTypes.string.isRequired,
+        liked: PropTypes.bool.isRequired,
     })
-  ).isRequired
+  ).isRequired,
+  onItemLikedToggle: PropTypes.func.isRequired
 };
 
 export default ChatLog;

From 6bb7897c1dd28b196d1e86c2b47bef6a5ad7b4c9 Mon Sep 17 00:00:00 2001
From: Mariya Mokrynska <mariyamokrynska1994@gmail.com>
Date: Sun, 15 Jun 2025 16:39:34 -0700
Subject: [PATCH 5/8] implemented optional: header title and local and remote
 messages

---
 src/App.css                  | 3 ++-
 src/App.jsx                  | 2 +-
 src/components/ChatEntry.jsx | 6 ++++--
 src/components/ChatLog.jsx   | 2 ++
 4 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/App.css b/src/App.css
index d97beb4e6..d0f2f735a 100644
--- a/src/App.css
+++ b/src/App.css
@@ -42,7 +42,8 @@
 
 #App #heartWidget {
   font-size: 1.5em;
-  margin: 1em
+  margin: 1em;
+  color: black;
 }
 
 #App span {
diff --git a/src/App.jsx b/src/App.jsx
index 86773df37..bf9b126b8 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -227,7 +227,7 @@ const App = () => {
     <div id="App">
       <header>
         <h1>Chat between {getNames(messagesData)}</h1>
-        <section ><h1 className="widget">{getLikesCount(messagesData)} ❤️s</h1></section>
+        <section ><h1 id="heartWidget">{getLikesCount(messagesData)} ❤️s</h1></section>
       </header>
       <main>
         {/* Wave 01: Render one ChatEntry component*/
diff --git a/src/components/ChatEntry.jsx b/src/components/ChatEntry.jsx
index 2a61310b6..490280434 100644
--- a/src/components/ChatEntry.jsx
+++ b/src/components/ChatEntry.jsx
@@ -10,9 +10,10 @@ const ChatEntry = (props) => {
         // This function refers to the toggleStudentPresence function in App
         props.onLikedToggle(props.id);
     }; */
+  const messageClassName='chat-entry '+(props.isLocal?'local':'remote');
 
   return (
-    <div className="chat-entry local">
+    <div className={messageClassName}>
       <h2 className="entry-name">{props.sender}</h2>
       <section className="entry-bubble">
         <p>{props.body}</p>
@@ -36,6 +37,7 @@ ChatEntry.propTypes = {
   body: PropTypes.string.isRequired,
   timeStamp: PropTypes.string.isRequired,
   liked: PropTypes.bool.isRequired,
-  onLikedToggle: PropTypes.func.isRequired
+  onLikedToggle: PropTypes.func.isRequired,
+  isLocal:PropTypes.bool.isRequired
 };
 export default ChatEntry;
diff --git a/src/components/ChatLog.jsx b/src/components/ChatLog.jsx
index 236a6fd07..c472d0190 100644
--- a/src/components/ChatLog.jsx
+++ b/src/components/ChatLog.jsx
@@ -4,6 +4,7 @@ import PropTypes from 'prop-types';
 
 
 const ChatLog = ({entries,onItemLikedToggle}) => {
+    let localName=entries[0].sender;
     return entries.map(entry => {
       return (
         <ChatEntry
@@ -14,6 +15,7 @@ const ChatLog = ({entries,onItemLikedToggle}) => {
           timeStamp={entry.timeStamp}
           liked={entry.liked}
           onLikedToggle={onItemLikedToggle}
+          isLocal={entry.sender==localName}
         />
       );
     })

From a914feefdfc77c5bd18a408d3b74738d92c64b1b Mon Sep 17 00:00:00 2001
From: Mariya Mokrynska <mariyamokrynska1994@gmail.com>
Date: Sun, 15 Jun 2025 16:43:13 -0700
Subject: [PATCH 6/8] erased comments

---
 src/App.jsx                  |  3 +--
 src/components/ChatEntry.jsx | 12 ------------
 src/components/ChatLog.jsx   | 32 ++++++++++++++++----------------
 3 files changed, 17 insertions(+), 30 deletions(-)

diff --git a/src/App.jsx b/src/App.jsx
index bf9b126b8..3fa8e91cd 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -1,5 +1,4 @@
 import './App.css';
-//import ChatEntry from './components/ChatEntry.jsx';
 import ChatLog from './components/ChatLog.jsx';
 import {useState} from 'react';
 
@@ -233,7 +232,7 @@ const App = () => {
         {/* Wave 01: Render one ChatEntry component*/
           /* <ChatEntry sender={DATA.sender} body={DATA.body} timeStamp={DATA.timeStamp} />*/
         /*Wave 02: Render ChatLog component */
-        <ChatLog entries={messagesData} onItemLikedToggle={toggleLiked}/>}
+          <ChatLog entries={messagesData} onItemLikedToggle={toggleLiked}/>}
       </main>
     </div>
   );
diff --git a/src/components/ChatEntry.jsx b/src/components/ChatEntry.jsx
index 490280434..b87a7c325 100644
--- a/src/components/ChatEntry.jsx
+++ b/src/components/ChatEntry.jsx
@@ -5,11 +5,6 @@ import PropTypes from 'prop-types';
 
 const ChatEntry = (props) => {
   let heart = props.liked ? '❤️' : '🤍';
-/*   const likeButtonClicked = () => {
-        // Invoke the function passed in through the prop named "onPresenceToggle"
-        // This function refers to the toggleStudentPresence function in App
-        props.onLikedToggle(props.id);
-    }; */
   const messageClassName='chat-entry '+(props.isLocal?'local':'remote');
 
   return (
@@ -24,13 +19,6 @@ const ChatEntry = (props) => {
   );
 };
 
-/* ChatEntry.propTypes = {
-  message: PropTypes.shape({
-    sender: PropTypes.string.isRequired,
-    body: PropTypes.string.isRequired,
-    timeStamp: PropTypes.string.isRequired
-  })
-}; */
 ChatEntry.propTypes = {
   id: PropTypes.number.isRequired,
   sender: PropTypes.string.isRequired,
diff --git a/src/components/ChatLog.jsx b/src/components/ChatLog.jsx
index c472d0190..68f93e3be 100644
--- a/src/components/ChatLog.jsx
+++ b/src/components/ChatLog.jsx
@@ -4,22 +4,22 @@ import PropTypes from 'prop-types';
 
 
 const ChatLog = ({entries,onItemLikedToggle}) => {
-    let localName=entries[0].sender;
-    return entries.map(entry => {
-      return (
-        <ChatEntry
-          key={entry.id}
-          id={entry.id}
-          sender={entry.sender}
-          body={entry.body}
-          timeStamp={entry.timeStamp}
-          liked={entry.liked}
-          onLikedToggle={onItemLikedToggle}
-          isLocal={entry.sender==localName}
-        />
-      );
-    })
-};    
+  let localName=entries[0].sender;
+  return entries.map(entry => {
+    return (
+      <ChatEntry
+        key={entry.id}
+        id={entry.id}
+        sender={entry.sender}
+        body={entry.body}
+        timeStamp={entry.timeStamp}
+        liked={entry.liked}
+        onLikedToggle={onItemLikedToggle}
+        isLocal={entry.sender==localName}
+      />
+    );
+  });
+};
 
 
 

From 34b4277d6058429ab5ae89b4e5f0adcf7f10dd50 Mon Sep 17 00:00:00 2001
From: Mariya Mokrynska <mariyamokrynska1994@gmail.com>
Date: Sun, 15 Jun 2025 16:45:23 -0700
Subject: [PATCH 7/8] fixed identation

---
 src/components/ChatLog.jsx | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/components/ChatLog.jsx b/src/components/ChatLog.jsx
index 68f93e3be..ec3df7754 100644
--- a/src/components/ChatLog.jsx
+++ b/src/components/ChatLog.jsx
@@ -24,13 +24,13 @@ const ChatLog = ({entries,onItemLikedToggle}) => {
 
 
 ChatLog.propTypes = {
-    entries: PropTypes.arrayOf(
+  entries: PropTypes.arrayOf(
     PropTypes.shape({
-        id: PropTypes.number.isRequired,
-        sender: PropTypes.string.isRequired,
-        body: PropTypes.string.isRequired,
-        timeStamp: PropTypes.string.isRequired,
-        liked: PropTypes.bool.isRequired,
+      id: PropTypes.number.isRequired,
+      sender: PropTypes.string.isRequired,
+      body: PropTypes.string.isRequired,
+      timeStamp: PropTypes.string.isRequired,
+      liked: PropTypes.bool.isRequired,
     })
   ).isRequired,
   onItemLikedToggle: PropTypes.func.isRequired

From 52b32e10acb5f7b3db1d67f318ac95f3ff95c6f6 Mon Sep 17 00:00:00 2001
From: Mariya Mokrynska <mariyamokrynska1994@gmail.com>
Date: Tue, 24 Jun 2025 22:51:08 -0700
Subject: [PATCH 8/8] fixed to pass tests

---
 src/App.jsx                | 2 +-
 src/components/ChatLog.jsx | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/App.jsx b/src/App.jsx
index 3fa8e91cd..3e21fed98 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -8,7 +8,7 @@ const DATA = [
     'sender': 'Vladimir',
     'body': 'why are you arguing with me',
     'timeStamp': '2018-05-29T22:49:06+00:00',
-    'liked': true
+    'liked': false
   },
   {
     'id': 2,
diff --git a/src/components/ChatLog.jsx b/src/components/ChatLog.jsx
index ec3df7754..a90372938 100644
--- a/src/components/ChatLog.jsx
+++ b/src/components/ChatLog.jsx
@@ -4,7 +4,8 @@ import PropTypes from 'prop-types';
 
 
 const ChatLog = ({entries,onItemLikedToggle}) => {
-  let localName=entries[0].sender;
+  if (entries.length === 0) return null;
+  const localName = entries[0].sender;
   return entries.map(entry => {
     return (
       <ChatEntry