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Diffstat (limited to 'frontend/src/notifications.js')
-rw-r--r-- | frontend/src/notifications.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/frontend/src/notifications.js b/frontend/src/notifications.js new file mode 100644 index 0000000..2a77ffb --- /dev/null +++ b/frontend/src/notifications.js @@ -0,0 +1,40 @@ +import log from "./log"; +import dispatcher from "./dispatcher"; + +class Notifications { + + constructor() { + const location = document.location; + this.wsUrl = `ws://${location.hostname}${location.port ? ":" + location.port : ""}/ws`; + } + + createWebsocket = () => { + this.ws = new WebSocket(this.wsUrl); + this.ws.onopen = this.onWebsocketOpen; + this.ws.onerror = this.onWebsocketError; + this.ws.onclose = this.onWebsocketClose; + this.ws.onmessage = this.onWebsocketMessage; + }; + + onWebsocketOpen = () => { + log.debug("Connected to backend with websocket"); + }; + + onWebsocketError = (err) => { + this.ws.close(); + log.error("Websocket error", err); + setTimeout(() => this.createWebsocket(), 3000); + }; + + onWebsocketClose = () => { + log.debug("Closed websocket connection with backend"); + }; + + onWebsocketMessage = (message) => { + dispatcher.dispatch("notifications", JSON.parse(message.data)); + }; +} + +const notifications = new Notifications(); + +export default notifications; |