attribute.service.ts
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///
/// Copyright © 2016-2020 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
import { Injectable } from '@angular/core';
import { defaultHttpOptionsFromConfig, RequestConfig } from './http-utils';
import { forkJoin, Observable, of } from 'rxjs';
import { HttpClient } from '@angular/common/http';
import { EntityId } from '@shared/models/id/entity-id';
import { AttributeData, AttributeScope } from '@shared/models/telemetry/telemetry.models';
import { isDefinedAndNotNull } from '@core/utils';
@Injectable({
providedIn: 'root'
})
export class AttributeService {
constructor(
private http: HttpClient
) { }
public getEntityAttributes(entityId: EntityId, attributeScope: AttributeScope,
keys?: Array<string>, config?: RequestConfig): Observable<Array<AttributeData>> {
let url = `/api/plugins/telemetry/${entityId.entityType}/${entityId.id}/values/attributes/${attributeScope}`;
if (keys && keys.length) {
url += `?keys=${keys.join(',')}`;
}
return this.http.get<Array<AttributeData>>(url, defaultHttpOptionsFromConfig(config));
}
public deleteEntityAttributes(entityId: EntityId, attributeScope: AttributeScope, attributes: Array<AttributeData>,
config?: RequestConfig): Observable<any> {
const keys = attributes.map(attribute => attribute.key).join(',');
return this.http.delete(`/api/plugins/telemetry/${entityId.entityType}/${entityId.id}/${attributeScope}` +
`?keys=${keys}`,
defaultHttpOptionsFromConfig(config));
}
public deleteEntityTimeseries(entityId: EntityId, timeseries: Array<AttributeData>, deleteAllDataForKeys = false,
config?: RequestConfig): Observable<any> {
const keys = timeseries.map(attribute => attribute.key).join(',');
return this.http.delete(`/api/plugins/telemetry/${entityId.entityType}/${entityId.id}/timeseries/delete` +
`?keys=${keys}&deleteAllDataForKeys=${deleteAllDataForKeys}`,
defaultHttpOptionsFromConfig(config));
}
public saveEntityAttributes(entityId: EntityId, attributeScope: AttributeScope, attributes: Array<AttributeData>,
config?: RequestConfig): Observable<any> {
const attributesData: {[key: string]: any} = {};
const deleteAttributes: AttributeData[] = [];
attributes.forEach((attribute) => {
if (isDefinedAndNotNull(attribute.value)) {
attributesData[attribute.key] = attribute.value;
} else {
deleteAttributes.push(attribute);
}
});
let deleteEntityAttributesObservable: Observable<any>;
if (deleteAttributes.length) {
deleteEntityAttributesObservable = this.deleteEntityAttributes(entityId, attributeScope, deleteAttributes, config);
} else {
deleteEntityAttributesObservable = of(null);
}
let saveEntityAttributesObservable: Observable<any>;
if (Object.keys(attributesData).length) {
saveEntityAttributesObservable = this.http.post(`/api/plugins/telemetry/${entityId.entityType}/${entityId.id}/${attributeScope}`,
attributesData, defaultHttpOptionsFromConfig(config));
} else {
saveEntityAttributesObservable = of(null);
}
return forkJoin([saveEntityAttributesObservable, deleteEntityAttributesObservable]);
}
public saveEntityTimeseries(entityId: EntityId, timeseriesScope: string, timeseries: Array<AttributeData>,
config?: RequestConfig): Observable<any> {
const timeseriesData: {[key: string]: any} = {};
const deleteTimeseries: AttributeData[] = [];
timeseries.forEach((attribute) => {
if (isDefinedAndNotNull(attribute.value)) {
timeseriesData[attribute.key] = attribute.value;
} else {
deleteTimeseries.push(attribute);
}
});
let deleteEntityTimeseriesObservable: Observable<any>;
if (deleteTimeseries.length) {
deleteEntityTimeseriesObservable = this.deleteEntityTimeseries(entityId, deleteTimeseries, true, config);
} else {
deleteEntityTimeseriesObservable = of(null);
}
let saveEntityTimeseriesObservable: Observable<any>;
if (Object.keys(timeseriesData).length) {
saveEntityTimeseriesObservable =
this.http.post(`/api/plugins/telemetry/${entityId.entityType}/${entityId.id}/timeseries/${timeseriesScope}`,
timeseriesData, defaultHttpOptionsFromConfig(config));
} else {
saveEntityTimeseriesObservable = of(null);
}
return forkJoin([saveEntityTimeseriesObservable, deleteEntityTimeseriesObservable]);
}
}