import { Injectable } from '@angular/core'; import { IJsonline } from '../models/json-line'; import { ISenMLItem } from '../models/senml-item'; import { IDataLayer } from '../models/data.layer'; import { IItem } from '../models/item'; @Injectable({ providedIn: 'root', }) export class SenmlService { constructor() { } getSenMLItem(layer:IDataLayer,jsonLine:IJsonline): ISenMLItem { if (jsonLine) { var senmlPack = jsonLine.data as ISenMLItem[]; var temp = senmlPack.filter((i) => i.u == layer.indexKey); if (temp.length == 1) return temp[0]; return null; } } getFirstLayer(item:IItem):IDataLayer { if(item && item.data && item.data["layers"] && item.data["layers"].length > 0 ) { return item.data["layers"][0] as IDataLayer; } else { let retVal:IDataLayer = { name:"Soil moisture",index:0,scale:1,unit:"%",indexKey:"%vol" }; return retVal; } } }