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let's insert data the right way this time

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Skip R. 2018-07-13 12:16:21 -07:00
parent ebc142a94c
commit 093f2b483c
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1 changed files with 19 additions and 19 deletions
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38
priv/frontend/src/App.js
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@ -26,11 +26,12 @@ export default class App extends Component {
metrics: null,
};
_send(payload) {
this.websocket.send(JSON.stringify(payload));
async componentDidMount() {
await this.loadMetrics();
this.connect();
}
_subscribe() {
subscribeToChannels() {
const channels = Object.keys(this.state.metrics.graph).map((channel) => `latency:${channel}`);
log('subscribing to channels:', channels);
@ -40,7 +41,7 @@ export default class App extends Component {
});
}
_handleMessage(packet) {
handlePacket(packet) {
const { op, c: channel, d: data } = packet;
if (op !== OP.DATA) {
@ -52,22 +53,21 @@ export default class App extends Component {
const { metrics } = this.state;
const graph = metrics.graph[name].slice(1);
const newGraph = [...graph, data];
const newGraph = [data, ...graph];
log('adding data:', data);
const clone = Object.assign({}, this.state.metrics);
clone.graph[name] = newGraph;
this.setState((prevState, _props) => {
const clone = Object.assign({}, prevState.metrics);
clone.graph[name] = newGraph;
log('current graph:', graph, 'new graph:', newGraph);
log('current state', this.state, 'new state:', { metrics: clone });
this.setState({
metrics: clone,
return {
metrics: clone,
};
});
}
_connectWs() {
connect() {
log('connecting to ws');
const endpoint = (`${DOMAIN}/api/streaming`).replace('https', 'wss');
@ -75,7 +75,7 @@ export default class App extends Component {
this.websocket.onopen = () => {
log('ws opened');
this._subscribe();
this.subscribeToChannels();
};
this.websocket.onmessage = (message) => {
@ -83,7 +83,7 @@ export default class App extends Component {
const parsed = JSON.parse(data);
log('ws recv:', parsed);
this._handleMessage(parsed);
this.handlePacket(parsed);
};
this.websocket.onerror = (error) => {
@ -91,12 +91,12 @@ export default class App extends Component {
};
}
async componentDidMount() {
await this._loadMetrics();
this._connectWs();
_send(payload) {
this.websocket.send(JSON.stringify(payload));
}
async _loadMetrics() {
async loadMetrics() {
log('loading metrics');
try {