zachsnoek react firebase chat app

In src/components/UnauthenticatedApp/index.jsx, add the following code: Add the following styles to src/components/UnauthenticatedApp/styles.css: Now, you can navigate to your application in the browser and try logging in. If you dont have a Google account, you can create one here. Now, we can simply consume our AuthContext via useAuth to get the login function and render a button that calls it. We also have thousands of freeCodeCamp study groups around the world. It provides tools for tracking analytics, reporting and fixing app crashes, and creating marketing and product experiments. We will also store and retrieve all the chatroom messages using Firebase's Cloud Firestore. We also create a function called sendMessage, and we add an onSubmit attribute to our form, which runs the sendMessage function when the user clicks on Send. This can be done in one shot or by listening to real-time updates when the data within a query changes. Well create a component that gets rendered inside of and lists all of the messages for a room. Which will download and installs . React & Firebase Chat App Tutorial - YouTube 0:00 / 34:22 React & Firebase Chat App Tutorial Techthology 651 subscribers Subscribe 1.2K Share Save 50K views 1 year ago Build a fully. It listens to the result of a query and receives updates when a change is made. Add the following styles to src/components/ChatRoom/styles.css: If you navigate back to http://localhost:3000/room/dogs, you should see our updated component: Now that we have pages for each of our chatrooms, lets add the ability to send messages to a room. Firestore databases scale automatically and synchronize data across listeners. Create a directory for our Hooks and a file to store the new Hook with the code below: Within src/hooks/useAuth.js, well implement a simple Hook that calls useContext to consume the context value that we created in src/context/auth.js: Finally, lets make our context value available to the entire component tree by wrapping the component with our . First, we need to create a Firestore Database in the console: After the Cloud Firestore database is provisioned, you should be taken to a page with the database data viewer: Once we add data, the data viewer will display the structure of our data and allow us to view, add, edit, and delete them. So if the messages author uid is the same as the uid of the person logged in, then the CSS styles stored in the selector right should be added to the div. Thats all we need to do to initialize Firebase within our application! Within our component, well check if we have a user. For learning how to deploy this app for free in 3 easy steps, go watch the video on YouTube, and see me going through the steps. Let's get started! This is the project code for my tutorial on LogRocket.. It provides tools for tracking analytics, reporting and fixing app crashes, and creating marketing and product experiments. For that, we are going to use the create-react-app tool to set up our application with just one command line. Instead of storing the messages in each document as key-value pairs, well create a messages subcollection for each document. Are you sure you want to hide this comment? Create a directory for our hooks and a file to store the new hook: Within src/hooks/useAuth.js, well implement a simple hook that calls useContext to consume the context value that we created in src/context/auth.js: Finally, lets make our context value available to the entire component tree by wrapping the component with our . This is the project code for my React and Firebase chatroom app tutorial. Add the following code to src/components/MessageList/index.jsx: The logic in the layout effect causes the container to scroll to the bottom so that were always seeing the most recent message. From theApp component, we can now render it and implement the onClick event handler. Setting such an event listener is something we should do inside the useEffect React hook as it is a side effect. You then learned how to use the addDoc API to write to a Firestore database and the onSnapshot API to listen to real-time updates. Okay, now we need a way to check if the user is authenticated. In this tutorial, we will try to build a chat app using React Native and Expo, and with Firebase as the backend service. We get the reference to the collection, order it by the createdAt property, and finally, we limit the number of messages returned from the query. useMessages will accept a roomId, store messages in state, and return the messages. Most upvoted and relevant comments will be first, Rogue Dev, jack of many languages, master of none, Software Developer | Step #6: Implementing Room List and Add Room. With that in mind, the goal of this section is to initialize our Firebase app within React and set up the module to export our aforementioned functions that use the SDK. Watch the video on Youtube or keep reading. Enter a nickname for your app and click on Register app. Enter the collections name, for example messages, and click Next. Lets get started! I really hope that this video was useful for you guys. Currently, the user state is null. The React Router Module Is Now Available! Going into our ChatBox component, we import the following: We create a useEffect hook that will run anytime changes are made in the chatroom, like sending or deleting a message. The firebaseConfig object comes from the information thats shown after you register your app under Add Firebase SDK: initializeApp returns a Firebase App instance, which allows our application to use common configuration and authentication across Firebase services. Firebase provides products that help developers by speeding up development time, scaling quickly, and creating simple solutions for common development needs. In this tutorial, we learned how to use Firebase and React to build a real-time chat app. Now that we have our query, we can set up our event listener with the onSnapshot method. [FREE COURSE] Build A Serverless JAMStack Micro-Blogging App Using Next.Js, Tailwind CSS, And FaunaDB. addDoc accepts a collection, which we obtain a reference to using collection, and a document object. Select which mode you want your database to run, production or test. Otherwise, no new style should be added. They should see the welcome page if they are not. The app uses React for the frontend, Firestore for real-time messaging, and Firebase Authentication for Google authentication. That is why the span tag was placed at the bottom of all the messages. To access all the documents returned by our query, we can just get it from the docs property of the QuerySnapshot and loop over it to get the data for each document alongside the document id. In our case, we are only interested in real-time updates. Well use a Firestore database to store chatroom messages and allow users to sign in using Google sign-in from Firebase Authentication. Lastly, lets set up our component, which well finish implementing later. And as we have set up a listener to listen for any authentication changes, the user state should be updated automatically and set to null, triggering a re-render of our app, which now display the sign-in button again. Firebase is Google's mobile platform for quickly developing apps. Import the following: Add the new user state so we can use it to render the Welcome component if the user is not logged in or the Chatbox component if the user is logged in. Cloud Firestore is a cloud-based NoSQL database server for storing and syncing data. In this article, I'm going to show you how to build a real-time chat app using React.js and Firebase. Here is what you can do to flag alterclass: alterclass consistently posts content that violates DEV Community's Well even allow users to choose from multiple chatroom topics to chat about whatever topic theyre interested in. This tutorial assumes intermediate JavaScript, React, and CSS knowledge. We pass it a query that we construct using the query function. In src/services/firebase.js, add the following code: Within the try block, we create a GoogleAuthProvider, which generates a credential for Google, and call getAuth, which returns a Firebase Authentication instance. But feel free to leave a comment with suggestions or feedback! Finally, we make the user and login function available to context subscribers. Therefore, it is crucial to set up an "initializing" state that blocks our main application from rendering while the connection is established. Each messages subcollection will contain multiple message documents, and the structure will look something like the following: To reference a document in our messages subcollection, for instance, wed use the path chat-rooms/{roomId}/messages/{documentId}. Click Continue on the next page. So let's use our magic CSS wand and turn this awful app into something like this. He enjoys JavaScript, React, and writing about code on blog.zachsnoek.com and other publications. Let's go ahead and also create our first document within this collection. The documents can also have sub-collections, allowing you to nest collections within collections. onSnapshot returns an unsubscribe function to detach the listener so that our callback isnt called when its no longer needed; well use this to clean up in our Hook. Every document must belong to a collection. Make sure to enable Google SignIn and and activate Cloud Firestore. You can view the final code on GitHub. Start . If we dont, we can render a login page and have that page call the login function, also received via context. So no redux or any other fancy library. This is the project code for my React and Firebase chatroom app tutorial. We create a state called message which is initially set to an empty string and passed as a value to the input tag. Lets continue by implementing the component. In this event handler, we are starting the sign-in process by using the Google Auth provider from Firebase, we then set the language to the user's preferred language, and we call the signInWithPopup method to prompt the user to sign in through a pop-up window. The following tutorial demonstrates how to build a simple group chat app with React and Firebase. A Firebase project is a container for Firebase apps and its resources and services,like Firestore databases and Authentication providers. The Field input represents the key name, the Type defines what type of data it is (string, number, timesStamp, and so on), and the Value is the value of the key. Now I invite you to go a step further and add more features to it. So we have the text itself, the createdAt timestamp - here, we let Firebase setting the value using a server-generated timestamp - and then we have the user ID, the user displayName, and his photoURL. Firestore databases scale automatically and synchronize data across listeners. Again, Firestore will create any collections and documents that dont exist, so we can simply specify our desired path. First, we need to initialize a Firestore instance in our app with getFirestore, which returns a reference to the Firestore service that we can use to perform reads and writes: Next, well use the addDoc and collection SDK functions to add documents. Here is an in-depth, step-by-step tutorial on how to create the chat app. To do this, head to the chatapp directory and run: npm install react-router-dom @cometchat-pro/chat . You can read more about this function in the documentation. onSnapshot returns an unsubscribe function to detach the listener so that our callback isnt called when its no longer needed; well use this to clean up our Hook. Select authentication from the dropdown. Were also using the serverTimestamp function for our timestamp property so that we can sort by message date when we retrieve messages. The allow read: if true; means that anyone can read your database. Within our component, well check if we have a user. You can also use query cursors to read the messages by batches. Again, go to the menu on the left side of the screen. We will be using two of their tools: Firebase Authentication and Cloud Firestore. Since were adding Firebase to a React app, well need to create a web app. First, we need to enable Google as a sign-in method in the Firebase console. Data is stored in documents as key-value pairs, and documents are organized into collections. Now let's add the ability to create new messages from our application. And if you need to learn more about building modern web applications with React, go check out my course on AlterClass.io. Before going further, itll help to have an overview of how well use the Firebase SDK within our application. Resources and knowledge for developers , Experienced Software Engineer Specializing in Developing Innovative 0 to 1 Apps | Transforming Ideas into Reality with Cutting-Edge TechnologyExperienced, Stay ahead. OK, after focussing on the Firestore rules I finally got it to work - I think this should have been covered more in-depth in this tut - but thanks overall, working great!! Step 1: Prerequisites. Delete the current src folder and replace it with the one from the setup folder to use the prewritten CSS and prebuilt components. In this application, if the user is logged in, we show the chat with the list of messages. You can either start to add/create a collection in your database or create one automatically in your React app, which we will do later. The unsubscribe const represents the onSnapshot function which listens to changes in the document. Zach is a software engineer at Aloft Appraisal in Seattle, WA. Firebase provides a method called onAuthStateChanged, which allows you to subscribe to the user's current authentication state and receive an event whenever that state changes. Now that we have a function that writes message data, we need an input component that calls it. Use a form to collect the users message, then submit it to firestore to perform a write to the database. Create a React App Create a react app and install the required dependencies. This can be done automatically in a cloud function as shown in the video. My course will teach you everything you need to master React, become a successful React developer, and get hired! Try adding messages in different chat rooms and notice how new documents are created for each room. Import the following: Replace the user state with the code below: And edit the googleSignIn and signOut functions: The useAuthState function gets triggered when the user signs in or out, allowing us access to the users details. First, create the directory and module file that initializes Firebase and exports our functions: Next, well add our Firebase configuration and initialize the application. You signed in with another tab or window. Once you are done, you should get a JavaScript object representing the configuration of the Firebase project application you just created. It first checks if the user is trying to send an empty string or whitespace as a message and alerts the user. Chat App using React and Firebase | Realtime Private Chat Application Lama Dev 182K subscribers Join Subscribe 7.2K Share Save 233K views 5 months ago React chat application tutorial.. Then all the messages are retrieved, and the chatroom is updated in real-time with the new messages. DEV Community 2016 - 2023. We accomplish this by creating thousands of videos, articles, and interactive coding lessons - all freely available to the public. One more thing, now that we are attaching user information to each message, let's add the photo and name of the user next to each message on the chat. . One more thing, the onAuthStateChanged listener is asynchronous and will trigger an initial state once a connection with Firebase has been established. The new user state also determines which authentication buttons are rendered to the user. First let's create our new react project! If alterclass is not suspended, they can still re-publish their posts from their dashboard. Next, well create a custom useAuth Hook to consume this context. We get this information from the parent component through props. This application is just a starting point. A great way to learn is to take a project and modify it or add more features. You could also visit my blog to read more articles from me and you can connect with me on Twitter and LinkedIn. Well create a component that gets rendered at the bottom of our component. If you want to create a collection in Cloud Firestore, go back to the data tab by clicking Data beside Rules and then click on Add Collection. Now let's add a sign-out button to allow the user to sign out from our app. Assuming you have basic knowledge of ES6 and React, I'll be using the create-react-app, firebase, and react-router npm packages. So let's go ahead and run that command with the name of our application React FireChat: Once it's done, we can install the dependency to work with Firebase, which is the Firebase JS SDK. If we do, well render an , which is the main app that users can chat in. Additionally, well use React Router, a library for routing in React. But as with many applications, you will also want to know whether your users are currently signed-in or signed-out of your application. We pass these two objects to signInWithPopup, which handles the sign-in flow in a popup and returns the authenticated users information once theyre authenticated. App.js It can be used to identify a user across every app in your project, regardless of how the user signs in. login wraps the SDKs Google sign-in function and then sets the authenticated user in the state. Well get the roomId from props and the user from context. In this section, well create hardcoded chat rooms and set up routing so that we can have different routes for each room, i.e., /room/{roomId}. Focus on the React bugs that matter Now that youre familiar with Firebase, lets start the project! In fact, I'm using Tailwind CSS to rapidly add styles to my apps. Now our users can post messages, and others can read them in real-time. Well allow this by creating hardcoded chat room topics. Weve already done the hard part of writing the login function and passing it through context. These snapshots provide the ability to actually get the data we requested through our query. When we call getMessages in our Hook, well pass a callback so that we can store the messages in state. If we dont, we can render a login page and have that page call the login function, which is also received via context. Navigate to the Firebase Console and follow the steps below to create a Firebase project: The final step will create your Chat Room Firebase project and provision its resources. In this case, we don't show the sign-in button, but instead, we let him enter the chat directly. You could also add payments to your application using tools like Stripe, for example. Our finished project will look like the following gif: The final project code can be found on GitHub. Example of banned document in Firestore. Now that we can write data to Firestore, the last thing we need to do is retrieve all of the chatrooms messages. Click on Get started and select Google in the Sign-in method's tab. You should see that a chat-rooms collection was created with the following structure: If you click into the messages subcollection, youll see documents for the messages you just created. Within AuthProvider, we create our user state and a login function that calls our loginWithGoogle function and sets the user state once the user has signed in successfully. He enjoys JavaScript, React, and writing about code on blog.zachsnoek.com and other publications. Private messaging apps will always be in demand, and . Posted on Jan 15, 2021 Plus there is a BONUS at the end . Templates let you quickly answer FAQs or store snippets for re-use. Firebase is a Backend-as-a-Service (Baas). Here you go! Firebase is a Google-built platform for developing applications. Lets test our router by implementing so that we can select a chat room. it appears that your repo doesn't work either (with my firebase config) - any idea what's wrong? It listens to the result of a query and receives updates when a change is made. In our src folder, create a file called firebase.js and paste the code we had copied into it. In order to see the latest messages, the messages feed should auto-scroll to the bottom of the chat feed on each message. Create a react app and install the required dependencies. In test mode, anyone can read and overwrite our data, but in production, youd want to secure your database. A Firebase project is a container for Firebase apps and its resources and services, like Firestore databases and Authentication providers. Is creating a document with a UID that matches their own. So let's get started! For now, we just add two fields to this new document. Well use Authentications simple SDK for authenticating users with sign-in methods such as email and password, Google sign-in, and phone number authentication. All messages are stored in a Firestore database and are sync in real-time with our React application. Firebase is a platform built by Google for developing applications. We created the React application, the Firebase project, and linked the two together. Make a query to the database, then listen to the data in realtime with the useCollectionData hook. To follow along with this article, youll need intermediate JavaScript, React, and CSS knowledge. Within AuthProvider, we create our user state and a login function that calls our loginWithGoogle function and sets the user state once the user has signed in successfully. And remember, at the end of the video, I'll show you how to deploy your app for free in 3 easy steps! Firebase provides a suite of tools for authenticating applications, building reactive client apps, reporting analytics, as well as a host of other helpful resources for managing apps in general. Finally, creating a chat app has become much simpler, and React Native makes it feel like a cool breeze in the middle of a hot summer. If youre interested in learning more about Firebase, you can read their documentation here. In this tutorial, youll learn how to build a chatroom app in React using Cloud Firestore and Firebase Authentication. Cloud Firestore stores data within "documents," which are contained within "collections." A tag already exists with the provided branch name. Thankfully, Firebase has done most of the hard work for us and implemented backend and sign-in solutions to make authentication easy. Then, to allow users to sign in using their Google account, we need to enable the Google sign-in method from the authentication page for our project. will render a router that contains two routes: one with path / that takes us to a component, and another with the path /room/:id that renders a component. In src/components/UnauthenticatedApp/index.jsx, add the following code: And add the following styles to src/components/UnauthenticatedApp/styles.css: You can now navigate to your application in the browser and try logging in. Add the following code to src/index.js: With the in place and our useAuth Hook created, were ready to log in a user and receive their authenticated information throughout our application. Set Up the Firebase Project and the React Client Again, Firestore will create any collections and documents that dont exist, so we can simply specify our desired path. These key-value pairs are what make up the data for our document. npm install react-firebase-hooks firebase. Weve already done the hard part of writing the login function and passing it through context. Next, lets create the authentication context and provider. Once that is done, it then uses the addDoc() to create a document inside a collection called messages in our database, which we have access to via the db import. Well create a component that gets rendered at the bottom of our component. It then orders the documents in the collection based on the createdAt key, and returns a maximum of 50 documents (messages saved). How to build a chatroom app with React and Firebase Cloud Firestore is a cloud-hosted NoSQL database. This post was originally published on LogRocket. You can find the code for this project on GitHub, and you can explore the chat room using this live link. Next, lets set up the React application and add the required dependencies. Your new src folder now contains the following: Run npm start to view the app in the browser. Create a new component file for this component: will take the roomId as a prop, pass that to useMessages, then render the messages. I enjoy delivering high-quality, pixel-perfect code . Test mode means that any client will have read/write access to your database for 30 days. You can also add more documents by clicking the plus sign, otherwise, click Save to save your collection. Into collections. the list of messages a library for routing in React,... It provides tools for tracking analytics, reporting and fixing app crashes, writing! Value to the result of a query changes our magic CSS wand and turn this awful app something. Get started and select Google in the video zachsnoek react firebase chat app go check out my will. To real-time updates the current src folder and replace it with the useCollectionData.... We do, well check if we have a user across every app the. Object representing the configuration of the Firebase project is a container for Firebase and! As shown in the documentation chat rooms and notice how new documents are organized into collections. function! Copied into it page call the login function and render a login and... Render an < AuthenticatedApp >, which we obtain a reference to using collection, which we a. & # x27 ; s mobile platform for quickly developing apps using Google from! Passing it through context further, itll help to have an overview of well... Query function a value to the result of a query and receives updates when the data a! Synchronize data across listeners familiar with Firebase has been established rapidly add styles to my.! Router, a library for routing in React using Cloud Firestore is a container for Firebase apps its... Up our application with just one command line, also received via context create any collections documents! Just one command line feed on each message span tag was placed at the bottom of the... In using Google sign-in, and Firebase chatroom app tutorial < AuthenticatedApp >, is. Make the user to sign out from our app to context subscribers app uses React for frontend! Adding messages in different chat rooms and notice how new documents are organized into collections. been established set our. S create our new React project button, but in production, want... User is trying to send an empty string and passed as a value the! As shown in the Firebase SDK within our application query that we can a. Messages and allow users to sign out from our application the setup folder to use prewritten! Sets the authenticated user in the Firebase console instead of storing the messages feed auto-scroll... > and lists all of the Firebase SDK within our < chatroom > component of tools. Step-By-Step tutorial on LogRocket at Aloft Appraisal in Seattle, WA latest messages, and click on Register app and. And a document with a UID that matches their own instead, we can now render it and the... Are only interested in real-time with our React application, the Firebase project, return! Developers by speeding up development time, scaling quickly, and get hired the last thing we need create. 'S Cloud Firestore messages subcollection for each room messages for a room help developers by speeding up time. An in-depth, step-by-step tutorial on how to build a chatroom app tutorial if alterclass not! Was useful for you guys a web app my React and Firebase construct using the serverTimestamp function our! Auto-Scroll to the menu on the React application my course will teach you everything you need enable. You dont have a user modern web applications with React, and click next representing the configuration of Firebase. But feel FREE to leave a comment with suggestions or feedback the sign-in method 's.. This by creating hardcoded chat room via context a side effect, the onAuthStateChanged listener is we! And return the messages in each document as key-value pairs, well need master! Command line along with this article, youll learn how to build chatroom! Can be done automatically in a Cloud function as shown in the sign-in method in the.... To view the app zachsnoek react firebase chat app React using Cloud Firestore and Firebase chatroom app in your project, of... Live link have sub-collections, allowing you to nest collections within collections. you guys is a... Messages by batches use Firebase and React to build a chatroom app tutorial from Firebase Authentication the video and... Authcontext via useAuth to get the data in realtime with the one from the setup folder use. Firestore stores data within `` collections. messaging, and real-time messaging, and CSS knowledge chat with..., a library for routing in React using Cloud Firestore stores data within a query and receives updates when data! It is a platform built by Google for developing applications Google as a message and alerts user. Your application using tools like Stripe, for example see the welcome page if they are not of videos articles! Account, you should get a JavaScript object representing the configuration of the hard part of writing the login and! Requested through our query, Google sign-in from Firebase Authentication useAuth to get the login available. The public lastly, lets set up our event listener is something we should do inside the useEffect React as! Api to write to the menu on the left side of the Firebase SDK within <... - all freely available to the data in realtime with the provided branch name 'm Tailwind. Also use query cursors to read more articles from me and you can find the code for tutorial... Real-Time with our React application and add more documents by clicking the Plus sign, otherwise click... You could also visit my blog to read the messages in state onClick event handler app into something this! Nest collections within collections. and if you dont have a user across every app in your project and... In demand, and Firebase in test mode means that any client have... Check if we have a user - any idea what 's wrong have that page call the login function passing. Video was useful for you guys of storing the messages me on Twitter and LinkedIn we just two! And passed as a message and alerts the user data across listeners this awful app into something like.! Timestamp property so that we have a user and notice how new documents are created for document. Signs in if they are not and add the required dependencies messages, FaunaDB! Blog to read more articles from me and you can connect with on. Make the user and login function, also received via context continue by implementing . Query, we need an input component that gets rendered inside of < chatroom component! Firebase within our application with just one command zachsnoek react firebase chat app started and select Google in the video and! Along with this article, youll learn how to build a chatroom tutorial. Css wand and turn this awful app into something like this database and the user logged! Like Firestore databases scale automatically and synchronize data across listeners FAQs or store snippets for re-use write. Pass a callback so that we have a Google account, you can read more building..., articles, and CSS knowledge const represents the onSnapshot method dont exist, so can! Value to the database, then submit it to Firestore to perform a write to the of! Want your database we have a Google account, you can connect with me on Twitter and LinkedIn to a., well need to do is retrieve all the chatroom messages using Firebase 's Cloud Firestore stores within. And run: npm install react-router-dom @ cometchat-pro/chat all the messages message, listen. As email and password, Google sign-in from Firebase Authentication a BONUS at the of. The input tag with my Firebase config ) - any idea what 's wrong services, like Firestore databases Authentication. A web app document object messages subcollection for each room apps and its resources and services, like Firestore and! To write to a Firestore database to store chatroom messages using Firebase 's Firestore... And implement the onClick event handler 's Cloud Firestore and Firebase enjoys,... Their tools: Firebase Authentication for Google Authentication, itll help to have an overview how! Your repo does n't work either ( with my Firebase config ) - any idea what wrong. Connection with Firebase has done most of the chat app any collections documents. Tracking analytics, reporting and fixing app crashes, and writing about code blog.zachsnoek.com... Accept a roomId, store messages in each document go a step further and add more.. Should see the welcome page if they are not the end and also our! Are not the result of a query and receives updates when a change made... Do this, head to the result of a query changes for storing and syncing data like... Feed should auto-scroll to the bottom of the chatrooms messages new React project look like the following: run start.

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