group-chat | Simple group chat system [ Swoole SocketIO | Socket library
kandi X-RAY | group-chat Summary
kandi X-RAY | group-chat Summary
(Very) Simple group chat system [Swoole + SocketIO + Laravel + PHP]
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QUESTION
I am new to websockets and I want to implement such service in my Laravel application. I have already read several posts/pages about this topic, but none explains what I need to do. All of them show how to create an "Echo" websocket server, where the server only responds to messages received from clients, which is not my case.
As a starting base I used the code provided at:
Where the websocket server is ran from the command line or another console. The server has its own class to define it and imports the WebSocketController class (MessageComponentInterface), which contains the classic WebSocket server events (onOpen, onMessage, onClose, onError).
All that works fine as is but, how can I "tell" the WebSocket Server to send a message to a specific connection (client) from another class, which also belong to another namespace?. This is the case of a notification or event, where new web content must be sent to that specific client. There are no subscriptions nor publications on the way from the client side.
As @Alias asked in his post Ratchet PHP - Push messaging service I obviously cannot create a new instance of the Websocket server or its events management class, so what would be the best approach to send content or messages to the client?
As you all can see, the communication is only in one way: from the WebSocket Server to the client(s) and not the opposite. I already have a notification class and a listener class prepared for this but, I still don't know how to address the communication with clients from the handle() method:
...ANSWER
Answered 2021-Jun-03 at 08:03Ok, after studying and researching a lot, I could post an answer to a similar question in:
How to send a message to specific websocket clients with symfony ratchet?
This is the solution I found, according to what I wrote in my second comment in this thread.
I installed cboden/Ratchet package for the websocket server using composer. I needed to send notifications to a user/group of users, or update the UI, when an event is fired in the backend.
What I did is this:
1) Installed amphp/websocket-client package using composer.
2) Created a separated class in order to instantiate an object that could get connected to the websocket server, send the desired message and disconnect:
QUESTION
I followed this guide to setup this service:
I have this all set up and working but what confused me is, when someone sends a message to the Twilio number. It will send the message to all the users in the google sheets but when the users receive the messages, it doesn't show who sent the message. It says From: (The persons name who the message was sent to rather than where it was sent from.
For example: Person A send a message to Twilio Number
Person B receives the message as follows:
From: Person B (should have person A's info there)
Any help from the developer of this would be helpful.
...ANSWER
Answered 2021-Feb-13 at 18:28I'm not the developer but in the handler where you call twiml.message change:
QUESTION
There is a chat section in my app , scrollBottomOnInit() function works but only for the sender.
Question 1 : I want to scrollBottomOnInit() function works when valueChanges() How can I fix ?
Question 2 : when user out this page Does the valueChanges() continue to work?
...ANSWER
Answered 2020-Nov-03 at 10:26The valueChanges method from firebase is an observable that return the current values, based on your query, in your realtime database. You will need to subscribe to it to get its content (if it's not already done in the template with the async pipe).
You can add a tap operator to your observable. Each time valueChanges emit a new value, it will execute what's in the tap operator:
QUESTION
I've read and tried many solutions already, but I'm new to React and I cannot figure out how to add class "active" when the div is clicked. Can someone please explain that to me? Here is my code..I'd like to add "active" to "div className='section-chat'" when clicked and remove it from the element that was active previously. I'm including two files I have so far. The biggest problem for me is that I have data from an object and I'm not sure how to combine all of the things together if I try to add a class toggle.
...ANSWER
Answered 2020-Sep-07 at 08:21You need to hold the active state in your component. For example:
QUESTION
I am trying to refresh the new messages in my website thing (it's a messaging system) and when I put the javascript in the console (browser dev tool) it works fine. But when I put it in my file, not only does it not get called, the setInterval function doesn't do anything. Here is my code:
...ANSWER
Answered 2020-Aug-23 at 13:33To setInterval you have to pass a callback, not the result of your function (since it doesn't return a callback), so instead of
QUESTION
I currently have a Firebase group-chat like app using firestore. Currently, I have a Groups collection with a document for each group chat in my app. I also add the group document to any user in that group. I was wondering whether it's possible to create links between identical documents so that firestore automatically updates the group document that the user has in a sub collection whenever the group document in the Groups collection is updated
...ANSWER
Answered 2020-Jul-27 at 23:39Firestore will not do that for you. Your code will have to make sure any data is correctly duplicated. You could do that in your client code, or write code to do that in response to a single write using Cloud Functions to detect the change and update the other documents.
QUESTION
tried all the options as described in Telegram bot - how to get a group chat id ? Ruby gem Telegram_bot.
When browsing to : https://api.telegram.org/botXXX:YYYY/getUpdates, all I get is:
{"ok":true,"result":[]}
What am I doing wrong?
...ANSWER
Answered 2017-Feb-15 at 19:20This works:
How to obtain Telegram chat_id for a specific user?
"I created a bot to get User or GroupChat id, just send the /my_id to telegram bot @get_id.
It does not only work for user chat ID, but also for group chat ID.
To get group chat ID, first you have to add the bot to the group, then send /my_id in the group."
QUESTION
I'm implementing an iOS app with group-chat support, where users can add photos, other files.
Decided on AWS S3 as storage back end, using Cognito Federated Identities to authenticate upload/downloads - data pumped to/from S3, not via our servers.
So farmy implementation allows a user/identity to upload & download to their their own folder on an S3 bucket (example policy arn:aws:s3:::mybucket/users/${cognito-identity.amazonaws.com:sub}/* the variable being the identityID/user_id).
I've not been able to find a secure way that allows only participants in a group-chat to upload/download from that group-chat's folder on S3.
Any ideas?some thoughts on a possible flow:
- first, user upload photo to own folder, [ I know how ]
- then, the system copies over the photo into the group-chat's folder [ I know how ]
- associate group-chat folder with the identities of participants [ not sure how - there could be thousands of groups & participants ]
- EDIT 1: as @MyStackRunnethOver suggest, could use one IAM role/credential to manage all upload/download request for users (that belong to said group) [ big security concern if credential compromised ].
- EDIT 1: could use PreSigned URLs: files uploaded to user's own folder, presigned url stored on group-chat entries [ max url-life 7days though ]
- client caching helps until participants join/leave a group frequently
- requires server-side scheduled job to renew expired PreSigned URLs
Any commends/ideas appreciated
...ANSWER
Answered 2020-Mar-04 at 18:51Your question boils down to:
"Given that users are part of groups, how can I give users access to group-specific subdirectories based on group membership?"
As I see it, you have two options:
Give each user the "key" to all directories they're a member of. This could mean adding a permission to that user for each group, or providing them with access to a new IAM role for each group. This is the "come up with a way to have fine-grained permissions for S3" strategy.
Don't distribute any directory-specific keys. Instead, when a user requests a certain directory, check whether they're in the group that directory belongs to. This is the "build a fine-grained data storage system around S3" strategy.
I recommend the latter approach, because instead of having an IAM role or a credential per user or per group, you give all your users one credential: the credential needed to make requests of your S3 wrapper. If you keep track of which groups your users are in, all your wrapper needs to do is check the user -> groups mapping to see if a request should be fulfilled. The front end can use the same mapping to prettify the UI: a user is only shown the option to upload / download from the groups they are a member of. In this case, I would envision the mapping as a Dynamo table that is updated whenever a user signs up, joins a group, leaves a group, or deletes their account. You can identify your users by their Cognito credentials, which include user-specific fields.
QUESTION
I already have a CSS/HTML mockup that makes it look like WhatsApp messaging, but only for conversations between 2 people. I want to add the group-chat feature, which means the names.
It's based on a
- list, so the HTML looks like this:
...
ANSWER
Answered 2020-Feb-04 at 04:26From what I understand,
You need the full name + text to come in one bubble. For that you can give background and styling to the .in and .out divs. Same goes for the pointing arrow.
You need to have some width, so the bubble has some width. For this remove the float left/right given to dd.
Rest you can fix using margin and padding.
QUESTION
I am trying to follow Pusher Chatkit's tutorial for "BUILDING A GROUP CHAT APP USING KOTLIN AND PUSHER CHATKIT" however I am running into an issue with the Recycler View adapter. FYI, I am still learning Kotlin. I've been reading up on lateinit vars but I can't find anything that addresses this case. The error occurs in the recycler view adapter.
This is the error I get:
...ANSWER
Answered 2020-Jan-08 at 05:55
lateinitmeans late initialization. If you do not want to initialize a variable in the constructor, instead you want to initialize it later on and if you can guarantee the initialization before using it, then declare that variable withlateinitkeyword. It will not allocate memory until initialized.
So, You have to initialize the lateinit property before try to use it.
Option - 1: Call setInterface() to initialize the property before click the list item. You can also check whether a lateinit var has already been initialized or not using .isInitialized like below:
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Install group-chat
PHP requires the Visual C runtime (CRT). The Microsoft Visual C++ Redistributable for Visual Studio 2019 is suitable for all these PHP versions, see visualstudio.microsoft.com. You MUST download the x86 CRT for PHP x86 builds and the x64 CRT for PHP x64 builds. The CRT installer supports the /quiet and /norestart command-line switches, so you can also script it.
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