UI: Refactoring OTA Update service

@@ -18,17 +18,14 @@ import { Injectable } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
 import { PageLink } from '@shared/models/page/page-link';
 import { defaultHttpOptionsFromConfig, RequestConfig } from './http-utils';
-import { forkJoin, Observable, of, throwError } from 'rxjs';
+import { Observable, throwError } from 'rxjs';
 import { PageData } from '@shared/models/page/page-data';
 import { DeviceProfile, DeviceProfileInfo, DeviceTransportType } from '@shared/models/device.models';
 import { isDefinedAndNotNull, isEmptyStr } from '@core/utils';
 import { ObjectLwM2M, ServerSecurityConfig } from '@home/components/profile/device/lwm2m/lwm2m-profile-config.models';
 import { SortOrder } from '@shared/models/page/sort-order';
 import { OtaPackageService } from '@core/http/ota-package.service';
-import { OtaUpdateType } from '@shared/models/ota-package.models';
 import { mergeMap } from 'rxjs/operators';
-import { DialogService } from '@core/services/dialog.service';
-import { TranslateService } from '@ngx-translate/core';
 
 @Injectable({
   providedIn: 'root'
@@ -37,9 +34,7 @@ export class DeviceProfileService {
 
   constructor(
     private http: HttpClient,
-    private otaPackageService: OtaPackageService,
-    private dialogService: DialogService,
-    private translate: TranslateService
+    private otaPackageService: OtaPackageService
   ) {
   }
 
@@ -80,30 +75,9 @@ export class DeviceProfileService {
 
   public saveDeviceProfileAndConfirmOtaChange(originDeviceProfile: DeviceProfile, deviceProfile: DeviceProfile,
                                               config?: RequestConfig): Observable<DeviceProfile> {
-    const tasks: Observable<number>[] = [];
-    if (originDeviceProfile?.id?.id && originDeviceProfile.firmwareId?.id !== deviceProfile.firmwareId?.id) {
-      tasks.push(this.otaPackageService.countUpdateDeviceAfterChangePackage(OtaUpdateType.FIRMWARE, deviceProfile.id.id));
-    } else {
-      tasks.push(of(0));
-    }
-    if (originDeviceProfile?.id?.id && originDeviceProfile.softwareId?.id !== deviceProfile.softwareId?.id) {
-      tasks.push(this.otaPackageService.countUpdateDeviceAfterChangePackage(OtaUpdateType.SOFTWARE, deviceProfile.id.id));
-    } else {
-      tasks.push(of(0));
-    }
-    return forkJoin(tasks).pipe(
-      mergeMap(([deviceFirmwareUpdate, deviceSoftwareUpdate]) => {
-        let text = '';
-        if (deviceFirmwareUpdate > 0) {
-          text += this.translate.instant('ota-update.change-firmware', {count: deviceFirmwareUpdate});
-        }
-        if (deviceSoftwareUpdate > 0) {
-          text += text.length ? ' ' : '';
-          text += this.translate.instant('ota-update.change-software', {count: deviceSoftwareUpdate});
-        }
-        return text !== '' ? this.dialogService.confirm('', text, null, this.translate.instant('common.proceed')) : of(true);
-      }),
-      mergeMap((update) => update ? this.saveDeviceProfile(deviceProfile, config) : throwError('Canceled saving device profiles')));
+    return this.otaPackageService.confirmDialogUpdatePackage(deviceProfile, originDeviceProfile).pipe(
+      mergeMap((update) => update ? this.saveDeviceProfile(deviceProfile, config) : throwError('Canceled saving device profiles'))
+    );
   }
 
   public saveDeviceProfile(deviceProfile: DeviceProfile, config?: RequestConfig): Observable<DeviceProfile> {

@@ -18,18 +18,30 @@ import { Injectable } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
 import { PageLink } from '@shared/models/page/page-link';
 import { defaultHttpOptionsFromConfig, defaultHttpUploadOptions, RequestConfig } from '@core/http/http-utils';
-import { Observable } from 'rxjs';
+import { forkJoin, Observable, of } from 'rxjs';
 import { PageData } from '@shared/models/page/page-data';
-import { ChecksumAlgorithm, OtaPackage, OtaPackageInfo, OtaUpdateType } from '@shared/models/ota-package.models';
+import {
+  ChecksumAlgorithm,
+  OtaPackage,
+  OtaPackageInfo,
+  OtaPagesIds,
+  OtaUpdateType
+} from '@shared/models/ota-package.models';
 import { catchError, map, mergeMap } from 'rxjs/operators';
 import { deepClone } from '@core/utils';
+import { BaseData } from '@shared/models/base-data';
+import { EntityId } from '@shared/models/id/entity-id';
+import { TranslateService } from '@ngx-translate/core';
+import { DialogService } from '@core/services/dialog.service';
 
 @Injectable({
   providedIn: 'root'
 })
 export class OtaPackageService {
   constructor(
-    private http: HttpClient
+    private http: HttpClient,
+    private translate: TranslateService,
+    private dialogService: DialogService
   ) {
 
   }
@@ -120,8 +132,36 @@ export class OtaPackageService {
     return this.http.delete(`/api/otaPackage/${otaPackageId}`, defaultHttpOptionsFromConfig(config));
   }
 
-  public countUpdateDeviceAfterChangePackage(type: OtaUpdateType, deviceProfileId: string, config?: RequestConfig): Observable<number> {
-    return this.http.get<number>(`/api/devices/count/${type}?deviceProfileId=${deviceProfileId}`, defaultHttpOptionsFromConfig(config));
+  public countUpdateDeviceAfterChangePackage(type: OtaUpdateType, entityId: EntityId, config?: RequestConfig): Observable<number> {
+    return this.http.get<number>(`/api/devices/count/${type}?deviceProfileId=${entityId.id}`, defaultHttpOptionsFromConfig(config));
+  }
+
+  public confirmDialogUpdatePackage(entity: BaseData<EntityId>&OtaPagesIds,
+                                    originEntity: BaseData<EntityId>&OtaPagesIds): Observable<boolean> {
+    const tasks: Observable<number>[] = [];
+    if (originEntity?.id?.id && originEntity.firmwareId?.id !== entity.firmwareId?.id) {
+      tasks.push(this.countUpdateDeviceAfterChangePackage(OtaUpdateType.FIRMWARE, entity.id));
+    } else {
+      tasks.push(of(0));
+    }
+    if (originEntity?.id?.id && originEntity.softwareId?.id !== entity.softwareId?.id) {
+      tasks.push(this.countUpdateDeviceAfterChangePackage(OtaUpdateType.SOFTWARE, entity.id));
+    } else {
+      tasks.push(of(0));
+    }
+    return forkJoin(tasks).pipe(
+      mergeMap(([deviceFirmwareUpdate, deviceSoftwareUpdate]) => {
+        let text = '';
+        if (deviceFirmwareUpdate > 0) {
+          text += this.translate.instant('ota-update.change-firmware', {count: deviceFirmwareUpdate});
+        }
+        if (deviceSoftwareUpdate > 0) {
+          text += text.length ? ' ' : '';
+          text += this.translate.instant('ota-update.change-software', {count: deviceSoftwareUpdate});
+        }
+        return text !== '' ? this.dialogService.confirm('', text, null, this.translate.instant('common.proceed')) : of(true);
+      })
+    );
   }
 
 }

@@ -80,6 +80,11 @@ export const OtaUpdateTranslation = new Map<OtaUpdateType, OtaUpdateTranslation>
   ]
 );
 
+export interface OtaPagesIds {
+  firmwareId?: OtaPackageId;
+  softwareId?: OtaPackageId;
+}
+
 export interface OtaPackageInfo extends BaseData<OtaPackageId> {
   tenantId?: TenantId;
   type: OtaUpdateType;