Todo_service_basic.bal

import ballerina/log;
import ballerina/http;

listener http:Listener todosListener = new(9090);

@http:ServiceConfig {
    basePath: "/todos"
}
service TodoService on todosListener {

    @http:ResourceConfig {
        methods: ["GET"],
        path: "/" 
    }
    resource function getAll(http:Caller caller, http:Request request) {
        //return some mock Todo objects as a JSON array
        json todos = [
            {
                "id" : 1,
                "name" : "Create the Todo Service",
                "status" : "OPEN"
            },
            {
                "id" : 2,
                "name" : "Create an AKS Cluster",
                "status" : "OPEN"
            }
        ];
        //respond to the caller
        var responseResult = caller->respond(todos);
        if (responseResult is error) {
            log:printError("Error responding back to client.", responseResult);
        }
    }
}