homefront/src/app/battery/battery.service.ts

60 lines
1.9 KiB
TypeScript

import {Injectable} from '@angular/core';
import {firebaseApp} from '../app.module';
@Injectable({
providedIn: 'root'
})
export class BatteryService {
readonly firestore;
average = 0;
temperatureData = [];
chargeData = [];
batteries = [];
last: Date;
get icon() {
if (!this.batteries.length) return 'battery_alert';
if (!this.last) return 'battery_warn';
return 'battery_full';
let temp = 'battery';
//if (this.batteries.length) temp += '_charging';
if (this.average <= 20) {
temp += '_20';
} else if (this.average <= 30) {
temp += '_30';
} else if (this.average <= 50) {
temp += '_50';
} else if (this.average <= 60) {
temp += '_60';
} else if (this.average <= 80) {
temp += '_80';
} else if (this.average <= 90) {
temp += '_90';
} else if (this.average > 90) {
temp += 'full'
}
return temp;
}
constructor() {
this.firestore = firebaseApp.firestore();
this.firestore.settings({timestampsInSnapshots: true});
this.firestore.collection('Battery').doc('170724D').onSnapshot(snap => {
this.last = new Date();
let data = snap.data();
console.log(data);
this.batteries = Object.keys(data.modules).map(key => ({name: key, history: data.modules[key]}));
this.average = this.batteries.reduce((acc, battery) => acc + battery.history[0].charge, 0) / this.batteries.length;
this.chargeData = this.batteries.map(battery => ({name: battery.name, series: battery.history.map((history, i) => ({name: i, value: history.charge}))}));
this.temperatureData = this.batteries.map(battery => ({name: battery.name, series: battery.history.map((history, i) => ({name: i, value: Math.round((history.temp || 0) * 10) / 10}))}));
});
}
}