added weather method do receive historical + forecast weatherdata.

projects/common/src/fm/models/WeatherData.ts

@@ -0,0 +1,10 @@
+export interface WeatherData {
+  time: Date;
+  minTemp: number;
+  maxTemp: number;
+  relativeHumidity: number;
+  rain: number;
+  wspd?: number;
+  wdir_cardinal?: string;
+  wdir?: number;
+}

projects/common/src/fm/services/weather.service.ts

@@ -3,21 +3,86 @@ import {HttpClient} from '@angular/common/http';
 import {AppConfig} from '../shared/app.config';
 import {Observable} from 'rxjs';
 import {WeatherCurrentObservation} from '../models/weatherCurrentObservation';
+import {DatePipe} from '@angular/common';
+import {IItem} from '@farmmaps/common';
+import {WeatherData} from '../models/WeatherData';
+import {GeoJSON} from 'ol/format';
+import {map, switchMap} from 'rxjs/operators';
+import {getCenter} from 'ol/extent';
 
 @Injectable({
   providedIn: 'root',
 })
 export class WeatherService {
-  private apiUrl = '/api/v1/weather/currentobservation';
+  private apiCurrentObservationUrl = 'currentobservation';
+  private apiObservation = 'observation';
+  private apiForecast = 'forecast';
 
-  constructor(public httpClient: HttpClient, public appConfig: AppConfig) {
+  private format: GeoJSON;
+
+  constructor(public httpClient: HttpClient, public appConfig: AppConfig, private datePipe: DatePipe) {
+    this.format = new GeoJSON();
   }
 
   public GetCurrentObservation(centroid: number[]): Observable<WeatherCurrentObservation> {
     const endpoint = this.appConfig.getConfig('weatherApiEndPoint');
     const apiKey = this.appConfig.getConfig('weatherApiKey');
-    const observationUrl = `${endpoint}${this.apiUrl}/?c=${centroid[0]},${centroid[1]}&key=${apiKey}`;
+    const observationUrl = `${endpoint}${this.apiCurrentObservationUrl}/?c=${centroid[0]},${centroid[1]}&key=${apiKey}`;
 
     return this.httpClient.get<WeatherCurrentObservation>(observationUrl);
   }
+
+  public getWeatherRangeForItem(item: IItem, daysBefore = 10, daysAfter = 10): Observable<WeatherData[]> {
+    const geometry = this.format.readGeometry(item.geometry);
+    const centroid = getCenter(geometry.getExtent());
+
+    const currentDate = new Date(Date.now());
+    const sd = new Date(Date.now());
+    const ed = new Date(Date.now());
+    sd.setDate((currentDate.getDate() - daysBefore));
+    ed.setDate((currentDate.getDate() + daysAfter));
+
+    return this.getWeatherRange(centroid, this.datePipe.transform(sd, 'yyyy-MM-ddThh:mm:ss'),
+      this.datePipe.transform(ed, 'yyyy-MM-ddThh:mm:ss'));
+  }
+
+  public getWeatherRange(centroid: number[], startDate: string, endDate: string): Observable<WeatherData[]> {
+    const endpoint = this.appConfig.getConfig('weatherApiEndPoint');
+    const apiKey = this.appConfig.getConfig('weatherApiKey');
+
+    // weather does not support UTC format, also remove Z
+    const sd = encodeURIComponent(this.removeUTCZ(startDate));
+    const ed = encodeURIComponent(this.removeUTCZ(endDate));
+
+    const historical = `${endpoint}${this.apiObservation}/?c=${centroid[0]},${centroid[1]}&sd=${sd}&ed=${ed}&interval=daily&key=${apiKey}`;
+    const forecast = `${endpoint}${this.apiForecast}/?c=${centroid[0]},${centroid[1]}&interval=daily&key=${apiKey}`;
+
+    return this.httpClient.get<any[]>(historical).pipe(
+      map(h => h.map(this.createWeatherDataFromHistorical)),
+      switchMap(h => {
+        return this.httpClient.get<any[]>(forecast)
+          .pipe(
+            map(f => [...h, ...f.filter(fd => fd.date <= endDate)
+              .map(this.createWeatherDataFromForecast)]));
+      })
+    );
+  }
+
+  private createWeatherDataFromHistorical(hd): WeatherData {
+    return {time: hd.date, minTemp: hd.minimumTemperature,
+      maxTemp: hd.maximumTemperature, relativeHumidity: hd.relativeHumidity, rain: hd.precipitation};
+  }
+
+  private createWeatherDataFromForecast(fd): WeatherData {
+    return {time: fd.date, minTemp: fd.minimumTemperature,
+      maxTemp: fd.maximumTemperature, relativeHumidity: fd.relativeHumidity, rain: fd.rain};
+  }
+
+  private removeUTCZ(dateFormat: string): string {
+    if (dateFormat[dateFormat.length - 1] === 'Z') {
+      return dateFormat.substring(0, dateFormat.length - 1);
+    }
+
+    return dateFormat;
+  }
 }