SLATE

Team Meh

Members

• Brandon Hurrington | Manish B KC | Marisha Hoza | Peter Lee

Product Description

A translation chat app geared towards groups of foreign language enthusiasts.

Back-End Components

Websocket API Gatewaty

• connect: opens up a web socket connection for the front-end client and store the connection in dynamo db.
• disconnect: closes the specified connection and releases it from the dynamo db.
• updateconnection: expression route to append identifier information to the existing connections.
• sendmessage: Broadcasts message to specified connections

NOTE: The messaging models used during updateconnection and sendmessage is strictly JSON format

Slate-translate API Gateway

• translate: Receives JSON object that specifies message, source and target languages to hit the AWS translate service.

Slate-users API Gateway

• Method1: POST

  • createuser: Receives JSON object from the front end and saves the user into dynamo db.

  • Response: JSON object

• Method2: GET

  • get-user: user id is passed into the query parameters and queries database to return the JSON object representation of the user in dynamo db.
  • Response: JSON object

JSON SAMPLES

Websocket API Gateway

• sendmessage

  {
  
        "action" : "sendmessage",
       
                  .
                  .
                  .
  
  
        "roomId" : "unique Room ID associated with the User"
        
        
        }
  

• Response: Message Broadcast to the specified roomId.

Slate-translate API Gateway

• translateText

    {
        "message" : "Hello",
        
        "source" : "en",
        
        "destination" : "es"
        
  
        }
  

• Response: Message Object (JSON) with message being translated.