In this tutorial, we'll be learning how to add one-to-one chat rooms to a chat application built using Ionic 4 with AngularNest. You can get the source code of this demo from this GitHub repository.
Oone you are only interested in one-to-one chat rooms, you can simply clone the starter project from GitHub and follow this tutorial instructions to learn how to implement the feature. Next, you need to navigate inside the frontend folder and install the dependencies by running the following commands:. After adding these changes, you can run the development server of your frontend project using the following command:.
Next, open a new terminal and navigate to the server folder then install the dependencies of the server application using the following command:. After adding the changes, you can run a development server of the backend application using the following command:. In our starter project we have added a public chat room where registered users can meet and start chatting with each other in group.
This means everyone can see what others are saying in the chat room. According to the docs :.
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Each user can be a member of many rooms. Rooms can be used for chats or group chats; Chatkit does not differentiate between the two concepts at the room level. You can create private or public rooms.
You can create a room using the currentUser. This way we make it very easy to check if a room is already created. We get the rooms of the current user using this. Otherwise, oje call the createRoom method to create the private room. Next, we implement the connectToRoom method which subscribes the current user to the specified private room:.
We already displayed our application users in the home. Open a new terminal and run the following command to generate a :. Since this method is asynchronous, we need to subscribe to the t RxJS subject to get the room ID. We also store the retrieved private room ID in the roomId variable of the component.
This way we can call it from the other methods of the component. After that, we call the connectToRoom method of ChatService to subscribe the current user to the onee identified by the retrieved ID. Note : We added the async keyword before the ngOnInit hook because we are using the await keyword in the body. In the sendMessage method of the component we call the sendMessage method of ChatServicewhich takes an object containing the text of the message and the room ID.
You can see that if the passed message object has a roomId key we call the sendMessage of currentUser to send a message to the identified room.
Otherwise we send the message to the general public room. This way when the user is navigated away from the private chatthey will be chatt from the roomSubscription and messageSubscription subscriptions.
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OnDestroy is an Angular interface that defines the ngOnDestroy life-cycle ome which gets called when a component, directive, pipe, or service is destroyed. We call the logout method of AuthService and we navigate to the using the navigateByUrl method of the Router. The logout method of AuthService is already defined in the tutorials.
If you think Ionic is the right cross-platform application development, here are a few pros and cons of Oe development. Are you looking to transform your idea into an iPhone application? Adding one-to-one rooms to your Ionic 4 chat app In this tutorial, we'll be learning how to add one-to-one chat rooms to a noe application built using Ionic 4 with AngularNest. Prerequisites You need to have the following prerequisites to work with this tutorial: Knowledge of TypeScript Required by both Nest.
Recent versions of Node. Creating and ing ot According to the docs : Each user can be a member of many rooms. Pros and Cons of Ionic Development If you think Ionic is the right cross-platform application development, here are a few pros and cons of Ionic development. Which company is best for iOS application development?