server-state-sync/dist/Server/StateManager.js

State synchronization between multiple clients

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const uuid_1 = require("uuid");
const State_1 = require("./State");
const Constants_1 = require("../Constants");
class StateManager {
    constructor() {
        this.states = new Map();
        this.addState = (config, identifier) => {
            const stateIdentifier = identifier || uuid_1.v4();
            if (this.states.has(stateIdentifier)) {
                return null;
            }
            const state = new State_1.default(config, () => this.removeState(stateIdentifier));
            this.states.set(stateIdentifier, state);
            return stateIdentifier;
        };
        this.removeState = (identifier) => this.states.delete(identifier);
        this.connectToState = (socketClient, stateIdentifier) => {
            const state = this.states.get(stateIdentifier);
            if (state) {
                state.connectClient(socketClient);
            }
            else {
                socketClient.sendMessage({
                    type: Constants_1.ServerToClientMessageTypes.STATE_CONNECTION_ERROR,
                    data: {
                        message: `State with identifier ${stateIdentifier} does not exist`
                    }
                });
            }
        };
        this.removeAllStates = () => {
            this.states.forEach((_, key) => {
                this.removeState(key);
            });
        };
    }
    getStateValue(stateIdentifier) {
        const state = this.states.get(stateIdentifier);
        if (state) {
            return state.getState();
        }
    }
    mutateState(stateIdentifier, updates, clientInformation) {
        const state = this.states.get(stateIdentifier);
        if (state) {
            return state.mutate(updates, clientInformation);
        }
        return false;
    }
}
exports.default = StateManager;