[AAE-2718] List available roles for a group (#5954)

* oath2 api service, cleanup identity users service

* cleanup groups service

* get awailable role mappings

* cleanup tests and mocks

* fix lint

lib/core/mock/identity-group.service.mock.ts

@@ -18,55 +18,39 @@
 import { IdentityGroupModel, IdentityGroupCountModel } from '../models/identity-group.model';
 import { IdentityRoleModel } from '../models/identity-role.model';
 
-export let mockIdentityGroup1 = <IdentityGroupModel> {
+export const mockIdentityGroup1 = <IdentityGroupModel> {
     id: 'mock-group-id-1', name: 'Mock Group 1', path: '/mock', subGroups: []
 };
 
-export let mockIdentityGroup2 = <IdentityGroupModel> {
+export const mockIdentityGroup2 = <IdentityGroupModel> {
     id: 'mock-group-id-2', name: 'Mock Group 2', path: '', subGroups: []
 };
 
-export let mockIdentityGroup3 = <IdentityGroupModel> {
+export const mockIdentityGroup3 = <IdentityGroupModel> {
   id: 'mock-group-id-3', name: 'Mock Group 3', path: '', subGroups: []
 };
 
-export let mockIdentityGroup4 = <IdentityGroupModel> {
+export const mockIdentityGroup4 = <IdentityGroupModel> {
     id: 'mock-group-id-4', name: 'Mock Group 4', path: '', subGroups: []
 };
 
-export let mockIdentityGroup5 = <IdentityGroupModel> {
+export const mockIdentityGroup5 = <IdentityGroupModel> {
     id: 'mock-group-id-5', name: 'Mock Group 5', path: '', subGroups: []
 };
 
-export let mockIdentityGroupsCount = <IdentityGroupCountModel> { count: 10 };
+export const mockIdentityGroupsCount = <IdentityGroupCountModel> { count: 10 };
 
-export let mockIdentityGroups = [
+export const mockIdentityGroups = [
     mockIdentityGroup1, mockIdentityGroup2, mockIdentityGroup3, mockIdentityGroup4, mockIdentityGroup5
 ];
 
-export let mockApplicationDetails = {id: 'mock-app-id', name: 'mock-app-name'};
+export const mockApplicationDetails = {id: 'mock-app-id', name: 'mock-app-name'};
 
-export let groupAPIMockError = {
-    error: {
-        errorKey: 'failed',
-        statusCode: 400,
-        stackTrace: 'For security reasons the stack trace is no longer displayed, but the property is kept for previous versions.'
-    }
-};
-
-export let mockApiError = {
-    oauth2Auth: {
-        callCustomApi: () => {
-            return Promise.reject(groupAPIMockError);
-        }
-    }
-};
-
-export let roleMappingMock = [
+export const roleMappingMock = [
     { id: 'role-id-1', name: 'role-name-1' }, { id: 'role-id-2', name: 'role-name-2' }
 ];
 
-export let roleMappingApi = {
+export const roleMappingApi = {
     oauth2Auth: {
         callCustomApi: () => {
             return Promise.resolve(roleMappingMock);
@@ -74,7 +58,7 @@ export let roleMappingApi = {
     }
 };
 
-export let noRoleMappingApi = {
+export const noRoleMappingApi = {
     oauth2Auth: {
         callCustomApi: () => {
             return Promise.resolve([]);
@@ -82,7 +66,7 @@ export let noRoleMappingApi = {
     }
 };
 
-export let groupsMockApi = {
+export const groupsMockApi = {
     oauth2Auth: {
         callCustomApi: () => {
             return Promise.resolve(mockIdentityGroups);
@@ -90,23 +74,7 @@ export let groupsMockApi = {
     }
 };
 
-export let getGroupsCountMockApi = {
-    oauth2Auth: {
-        callCustomApi: () => {
-            return Promise.resolve(10);
-        }
-    }
-};
-
-export let queryGroupsMockApi = {
-    oauth2Auth: {
-        callCustomApi: () => {
-            return Promise.resolve(mockIdentityGroups);
-        }
-    }
-};
-
-export let createGroupMappingApi = {
+export const createGroupMappingApi = {
     oauth2Auth: {
         callCustomApi: () => {
             return Promise.resolve();
@@ -114,7 +82,7 @@ export let createGroupMappingApi = {
     }
 };
 
-export let updateGroupMappingApi = {
+export const updateGroupMappingApi = {
     oauth2Auth: {
         callCustomApi: () => {
             return Promise.resolve();
@@ -122,7 +90,7 @@ export let updateGroupMappingApi = {
     }
 };
 
-export let deleteGroupMappingApi = {
+export const deleteGroupMappingApi = {
     oauth2Auth: {
         callCustomApi: () => {
             return Promise.resolve();
@@ -130,23 +98,7 @@ export let deleteGroupMappingApi = {
     }
 };
 
-export let returnCallQueryParameters = {
-    oauth2Auth: {
-        callCustomApi: (_queryUrl, _operation, _context, queryParams) => {
-            return Promise.resolve(queryParams);
-        }
-    }
-};
-
-export let returnCallUrl = {
-    oauth2Auth: {
-        callCustomApi: (queryUrl) => {
-            return Promise.resolve(queryUrl);
-        }
-    }
-};
-
-export let applicationDetailsMockApi = {
+export const applicationDetailsMockApi = {
     oauth2Auth: {
         callCustomApi: () => {
             return Promise.resolve([mockApplicationDetails]);
@@ -154,10 +106,10 @@ export let applicationDetailsMockApi = {
     }
 };
 
-export let mockIdentityRoles = [
+export const mockIdentityRoles = [
     new IdentityRoleModel({id: 'mock-role-id', name: 'MOCK-ADMIN-ROLE'}),
     new IdentityRoleModel({id: 'mock-role-id', name: 'MOCK-USER-ROLE'}),
     new IdentityRoleModel({id: 'mock-role-id', name: 'MOCK-ROLE-1'})
 ];
 
-export let clientRoles = [ 'MOCK-ADMIN-ROLE', 'MOCK-USER-ROLE'];
+export const clientRoles = [ 'MOCK-ADMIN-ROLE', 'MOCK-USER-ROLE'];

lib/core/services/identity-group.service.spec.ts

@@ -16,14 +16,7 @@
  */
 
 import { async, TestBed } from '@angular/core/testing';
-import {
-    setupTestBed,
-    AlfrescoApiService,
-    LogService,
-    IdentityGroupService,
-    IdentityGroupSearchParam,
-    groupAPIMockError
-} from '@alfresco/adf-core';
+import { setupTestBed, AlfrescoApiService, IdentityGroupService, IdentityGroupSearchParam } from '@alfresco/adf-core';
 import { HttpErrorResponse } from '@angular/common/http';
 import { throwError, of } from 'rxjs';
 import {
@@ -33,7 +26,6 @@ import {
     roleMappingApi,
     clientRoles,
     applicationDetailsMockApi,
-    mockApiError,
     mockIdentityGroup1,
     createGroupMappingApi,
     updateGroupMappingApi,
@@ -46,7 +38,6 @@ import { TranslateModule } from '@ngx-translate/core';
 describe('IdentityGroupService', () => {
     let service: IdentityGroupService;
     let apiService: AlfrescoApiService;
-    let logService: LogService;
 
     setupTestBed({
         imports: [
@@ -58,7 +49,6 @@ describe('IdentityGroupService', () => {
     beforeEach(async(() => {
         service = TestBed.inject(IdentityGroupService);
         apiService = TestBed.inject(AlfrescoApiService);
-        logService = TestBed.inject(LogService);
     }));
 
     it('should be able to fetch groups based on group name', (done) => {
@@ -231,18 +221,6 @@ describe('IdentityGroupService', () => {
         );
     });
 
-    it('should return only the properties of IdentityGroupSearchParam', (done) => {
-        spyOn(apiService, 'getInstance').and.returnValue(groupsMockApi);
-        service.findGroupsByName(<IdentityGroupSearchParam> {name: 'mock'}).subscribe((groups) => {
-            expect(groups).toBeDefined();
-            expect(groups).toBeDefined();
-            expect(groups[0].id).toEqual('mock-group-id-1');
-            expect(groups[0].name).toEqual('Mock Group 1');
-            expect(groups[0]['subGroups']).not.toBeDefined();
-            done();
-        });
-    });
-
     it('should be able to fetch the client id', (done) => {
         spyOn(apiService, 'getInstance').and.returnValue(applicationDetailsMockApi);
         service.getClientIdByApplicationName('mock-app-name').subscribe((clientId) => {
@@ -253,25 +231,9 @@ describe('IdentityGroupService', () => {
         });
     });
 
-    it('should notify errors returned from the API', (done) => {
-        const logServiceSpy = spyOn(logService, 'error').and.callThrough();
-        spyOn(apiService, 'getInstance').and.returnValue(mockApiError);
-        service.findGroupsByName(<IdentityGroupSearchParam> {name: 'mock'}).subscribe(
-            () => {},
-            (res: any) => {
-                expect(res).toBeDefined();
-                expect(res).toEqual(groupAPIMockError);
-                expect(logServiceSpy).toHaveBeenCalled();
-                done();
-            }
-        );
-    });
-
     it('should be able to all fetch groups', (done) => {
         spyOn(apiService, 'getInstance').and.returnValue(groupsMockApi);
         service.getGroups().subscribe((res) => {
-            expect(res).toBeDefined();
-            expect(res).not.toBeNull();
             expect(res.length).toBe(5);
             expect(res[0].id).toBe('mock-group-id-1');
             expect(res[0].name).toBe('Mock Group 1');

lib/core/services/identity-group.service.ts

@@ -16,11 +16,9 @@
  */
 
 import { Injectable } from '@angular/core';
-import { Observable, of, from, throwError } from 'rxjs';
-import { catchError, map, switchMap } from 'rxjs/operators';
+import { Observable, of } from 'rxjs';
+import { map, switchMap } from 'rxjs/operators';
 import { AppConfigService } from '../app-config/app-config.service';
-import { AlfrescoApiService } from './alfresco-api.service';
-import { LogService } from './log.service';
 import {
     IdentityGroupSearchParam,
     IdentityGroupQueryCloudRequestModel,
@@ -29,35 +27,37 @@ import {
     IdentityGroupCountModel
 } from '../models/identity-group.model';
 import { IdentityRoleModel } from '../models/identity-role.model';
+import { OAuth2Service } from './oauth2.service';
 
-@Injectable({
-  providedIn: 'root'
-})
+@Injectable({ providedIn: 'root' })
 export class IdentityGroupService {
 
     constructor(
-        private alfrescoApiService: AlfrescoApiService,
-        private appConfigService: AppConfigService,
-        private logService: LogService
+        private oAuth2Service: OAuth2Service,
+        private appConfigService: AppConfigService
     ) {}
 
+    private get identityHost(): string {
+        return `${this.appConfigService.get('identityHost')}`;
+    }
+
     /**
      * Gets all groups.
      * @returns Array of group information objects
      */
     getGroups(): Observable<IdentityGroupModel[]> {
-        const url = this.getGroupsApi();
-        const httpMethod = 'GET', pathParams = {},
-        queryParams = {}, bodyParam = {}, headerParams = {},
-        formParams = {}, authNames = [], contentTypes = ['application/json'];
+        const url = `${this.identityHost}/groups`;
+        return this.oAuth2Service.get({ url });
+    }
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-                    url, httpMethod, pathParams, queryParams,
-                    headerParams, formParams, bodyParam, authNames,
-                    contentTypes, null, null, null
-                    )).pipe(
-                        catchError((error) => this.handleError(error))
-                    );
+    /**
+     * Gets available roles
+     * @param groupId Id of the group.
+     * @returns Array of available roles information objects
+     */
+    getAvailableRoles(groupId: string): Observable<IdentityRoleModel[]> {
+        const url = `${this.identityHost}/groups/${groupId}/role-mappings/realm/available`;
+        return this.oAuth2Service.get({ url });
     }
 
     /**
@@ -65,18 +65,13 @@ export class IdentityGroupService {
      * @returns Array of user information objects
      */
     queryGroups(requestQuery: IdentityGroupQueryCloudRequestModel): Observable<IdentityGroupQueryResponse> {
-        const url = this.getGroupsApi();
-        const httpMethod = 'GET', pathParams = {},
-        queryParams = { first: requestQuery.first || 0, max: requestQuery.max || 5 }, bodyParam = {}, headerParams = {},
-        formParams = {}, authNames = [], contentTypes = ['application/json'];
+        const url = `${this.identityHost}/groups`;
+        const queryParams = { first: requestQuery.first || 0, max: requestQuery.max || 5 };
+
         return this.getTotalGroupsCount().pipe(
             switchMap((totalCount: IdentityGroupCountModel) =>
-            from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-                url, httpMethod, pathParams, queryParams,
-                headerParams, formParams, bodyParam, authNames,
-                contentTypes, null, null, null)
-            ).pipe(
-                map((response: any[]) => {
+            this.oAuth2Service.get<any[]>({ url, queryParams }).pipe(
+                map((response) => {
                     return <IdentityGroupQueryResponse> {
                         entries: response,
                         pagination: {
@@ -87,8 +82,7 @@ export class IdentityGroupService {
                             totalItems: totalCount.count
                         }
                     };
-                    }),
-                catchError((error) => this.handleError(error))
+                })
             ))
         );
     }
@@ -98,15 +92,8 @@ export class IdentityGroupService {
      * @returns Number of groups count.
      */
     getTotalGroupsCount(): Observable<IdentityGroupCountModel> {
-        const url = this.getGroupsApi() + `/count`;
-        const contentTypes = ['application/json'], accepts = ['application/json'];
-        return from(this.alfrescoApiService.getInstance()
-            .oauth2Auth.callCustomApi(url, 'GET',
-              null, null, null,
-              null, null, contentTypes,
-              accepts, null, null, null)).pipe(
-                catchError((error) => this.handleError(error))
-            );
+        const url = `${this.identityHost}/groups/count`;
+        return this.oAuth2Service.get({ url });
     }
 
     /**
@@ -115,17 +102,10 @@ export class IdentityGroupService {
      * @returns Empty response when the group created.
      */
     createGroup(newGroup: IdentityGroupModel): Observable<any> {
-        const url = this.getGroupsApi();
-        const httpMethod = 'POST', pathParams = {}, queryParams = {}, bodyParam = newGroup, headerParams = {},
-        formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const url = `${this.identityHost}/groups`;
+        const bodyParam = newGroup;
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-        url, httpMethod, pathParams, queryParams,
-        headerParams, formParams, bodyParam,
-        contentTypes, accepts, null, null, null
-        )).pipe(
-            catchError((error) => this.handleError(error))
-        );
+        return this.oAuth2Service.post({ url, bodyParam });
     }
 
     /**
@@ -135,18 +115,10 @@ export class IdentityGroupService {
      * @returns Empty response when the group updated.
      */
     updateGroup(groupId: string, updatedGroup: IdentityGroupModel): Observable<any> {
-        const url = this.getGroupsApi() + `/${groupId}`;
-        const request = JSON.stringify(updatedGroup);
-        const httpMethod = 'PUT', pathParams = {} , queryParams = {}, bodyParam = request, headerParams = {},
-        formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const url = `${this.identityHost}/groups/${groupId}`;
+        const bodyParam = JSON.stringify(updatedGroup);
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-        url, httpMethod, pathParams, queryParams,
-        headerParams, formParams, bodyParam,
-        contentTypes, accepts, null, null, null
-        )).pipe(
-            catchError((error) => this.handleError(error))
-        );
+        return this.oAuth2Service.put({ url, bodyParam });
     }
 
     /**
@@ -155,17 +127,8 @@ export class IdentityGroupService {
      * @returns Empty response when the group deleted.
      */
     deleteGroup(groupId: string): Observable<any> {
-        const url = this.getGroupsApi() + `/${groupId}`;
-        const httpMethod = 'DELETE', pathParams = {} , queryParams = {}, bodyParam = {}, headerParams = {},
-        formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
-
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-        url, httpMethod, pathParams, queryParams,
-        headerParams, formParams, bodyParam,
-        contentTypes, accepts, null, null, null
-        )).pipe(
-            catchError((error) => this.handleError(error))
-        );
+        const url = `${this.identityHost}/groups/${groupId}`;
+        return this.oAuth2Service.delete({ url });
     }
 
     /**
@@ -177,22 +140,10 @@ export class IdentityGroupService {
         if (searchParams.name === '') {
             return of([]);
         }
-        const url = this.getGroupsApi();
-        const httpMethod = 'GET', pathParams = {}, queryParams = {search: searchParams.name}, bodyParam = {}, headerParams = {},
-            formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const url = `${this.identityHost}/groups`;
+        const queryParams = { search: searchParams.name };
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-            url, httpMethod, pathParams, queryParams,
-            headerParams, formParams, bodyParam,
-            contentTypes, accepts, Object, null, null)
-        ).pipe(
-            map((response: []) => {
-                return response.map( (group: IdentityGroupModel) =>  {
-                    return {id: group.id, name: group.name};
-                });
-            }),
-            catchError((err) => this.handleError(err))
-        );
+        return this.oAuth2Service.get({ url, queryParams });
     }
 
     /**
@@ -202,16 +153,7 @@ export class IdentityGroupService {
      */
     getGroupRoles(groupId: string): Observable<IdentityRoleModel[]> {
         const url = this.buildRolesUrl(groupId);
-        const httpMethod = 'GET', pathParams = {}, queryParams = {}, bodyParam = {}, headerParams = {},
-            formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
-
-        return (from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-            url, httpMethod, pathParams, queryParams,
-            headerParams, formParams, bodyParam,
-            contentTypes, accepts, Object, null, null)
-        )).pipe(
-            catchError((error) => this.handleError(error))
-        );
+        return this.oAuth2Service.get({ url });
     }
 
     /**
@@ -221,13 +163,11 @@ export class IdentityGroupService {
      * @returns True if the group has one or more of the roles, false otherwise
      */
     checkGroupHasRole(groupId: string, roleNames: string[]): Observable<boolean>  {
-        return this.getGroupRoles(groupId).pipe(map((groupRoles: IdentityRoleModel[]) => {
+        return this.getGroupRoles(groupId).pipe(map((groupRoles) => {
             let hasRole = false;
             if (groupRoles && groupRoles.length > 0) {
                 roleNames.forEach((roleName: string) => {
-                    const role = groupRoles.find((groupRole) => {
-                        return roleName === groupRole.name;
-                    });
+                    const role = groupRoles.find(({ name }) => roleName === name);
                     if (role) {
                         hasRole = true;
                         return;
@@ -244,19 +184,11 @@ export class IdentityGroupService {
      * @returns client Id string
      */
     getClientIdByApplicationName(applicationName: string): Observable<string> {
-        const url = this.getApplicationIdApi();
-        const httpMethod = 'GET', pathParams = {}, queryParams = {clientId: applicationName}, bodyParam = {}, headerParams = {}, formParams = {},
-              contentTypes = ['application/json'], accepts = ['application/json'];
-        return from(this.alfrescoApiService.getInstance()
-                        .oauth2Auth.callCustomApi(url, httpMethod, pathParams, queryParams, headerParams,
-                                              formParams, bodyParam, contentTypes,
-                                              accepts, Object, null, null)
-            ).pipe(
-                map((response: any[]) => {
-                    const clientId = response && response.length > 0 ? response[0].id : '';
-                    return clientId;
-                }),
-                catchError((error) => this.handleError(error))
+        const url = `${this.identityHost}/clients`;
+        const queryParams = {clientId: applicationName};
+
+        return this.oAuth2Service.get<any[]>({ url, queryParams }).pipe(
+            map((response) => response && response.length > 0 ? response[0].id : '')
         );
     }
 
@@ -267,15 +199,8 @@ export class IdentityGroupService {
      * @returns List of roles
      */
     getClientRoles(groupId: string, clientId: string): Observable<IdentityRoleModel[]> {
-        const url = this.groupClientRoleMappingApi(groupId, clientId);
-        const httpMethod = 'GET', pathParams = {}, queryParams = {}, bodyParam = {}, headerParams = {},
-            formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
-
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-                    url, httpMethod, pathParams, queryParams,
-                    headerParams, formParams, bodyParam,
-                    contentTypes, accepts, Object, null, null)
-                );
+        const url = `${this.identityHost}/groups/${groupId}/role-mappings/clients/${clientId}`;
+        return this.oAuth2Service.get({ url });
     }
 
     /**
@@ -286,10 +211,7 @@ export class IdentityGroupService {
      */
     checkGroupHasClientApp(groupId: string, clientId: string): Observable<boolean> {
         return this.getClientRoles(groupId, clientId).pipe(
-                    map((response: any[]) => {
-                        return response && response.length > 0;
-                    }),
-                    catchError((error) => this.handleError(error))
+            map((response) => response && response.length > 0)
         );
     }
 
@@ -306,9 +228,7 @@ export class IdentityGroupService {
                 let hasRole = false;
                 if (clientRoles.length > 0) {
                     roleNames.forEach((roleName) => {
-                        const role = clientRoles.find((availableRole) => {
-                            return availableRole.name === roleName;
-                        });
+                        const role = clientRoles.find(({ name }) => name === roleName);
 
                         if (role) {
                             hasRole = true;
@@ -317,33 +237,11 @@ export class IdentityGroupService {
                     });
                 }
                 return hasRole;
-            }),
-            catchError((error) => this.handleError(error))
+            })
         );
     }
 
-    private groupClientRoleMappingApi(groupId: string, clientId: string): string {
-        return `${this.appConfigService.get('identityHost')}/groups/${groupId}/role-mappings/clients/${clientId}`;
-    }
-
-    private getApplicationIdApi(): string {
-        return `${this.appConfigService.get('identityHost')}/clients`;
-    }
-
-    private getGroupsApi(): string {
-        return `${this.appConfigService.get('identityHost')}/groups`;
-    }
-
     private buildRolesUrl(groupId: string): string {
-        return `${this.appConfigService.get('identityHost')}/groups/${groupId}/role-mappings/realm/composite`;
-    }
-
-    /**
-     * Throw the error
-     * @param error
-     */
-    private handleError(error: Response) {
-        this.logService.error(error);
-        return throwError(error || 'Server error');
+        return `${this.identityHost}/groups/${groupId}/role-mappings/realm/composite`;
     }
 }

lib/core/services/identity-user.service.ts

@@ -17,15 +17,14 @@
 
 import { Pagination } from '@alfresco/js-api';
 import { Injectable } from '@angular/core';
-import { from, Observable, of, throwError } from 'rxjs';
-import { catchError, map, switchMap } from 'rxjs/operators';
+import { Observable, of } from 'rxjs';
+import { map, switchMap } from 'rxjs/operators';
 import { AppConfigService } from '../app-config/app-config.service';
 import { IdentityGroupModel } from '../models/identity-group.model';
 import { IdentityRoleModel } from '../models/identity-role.model';
 import { IdentityUserModel } from '../models/identity-user.model';
-import { AlfrescoApiService } from './alfresco-api.service';
 import { JwtHelperService } from './jwt-helper.service';
-import { LogService } from './log.service';
+import { OAuth2Service } from './oauth2.service';
 
 export interface IdentityUserQueryResponse {
 
@@ -57,9 +56,16 @@ export class IdentityUserService {
 
     constructor(
         private jwtHelperService: JwtHelperService,
-        private alfrescoApiService: AlfrescoApiService,
-        private appConfigService: AppConfigService,
-        private logService: LogService) { }
+        private oAuth2Service: OAuth2Service,
+        private appConfigService: AppConfigService) { }
+
+    private get identityHost(): string {
+        return `${this.appConfigService.get('identityHost')}`;
+    }
+
+    private buildUserUrl(): string {
+        return `${this.identityHost}/users`;
+    }
 
     /**
      * Gets the name and other basic details of the current user.
@@ -83,21 +89,9 @@ export class IdentityUserService {
             return of([]);
         }
         const url = this.buildUserUrl();
-        const httpMethod = 'GET', pathParams = {}, queryParams = { search: search }, bodyParam = {}, headerParams = {},
-            formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const queryParams = { search: search };
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-            url, httpMethod, pathParams, queryParams,
-            headerParams, formParams, bodyParam,
-            contentTypes, accepts, Object, null, null)
-        ).pipe(
-            map((response: []) => {
-                return response.map( (user: IdentityUserModel) =>  {
-                    return {id: user.id, firstName: user.firstName,  lastName: user.lastName, email: user.email, username: user.username};
-                });
-            }),
-            catchError((err) => this.handleError(err))
-        );
+        return this.oAuth2Service.get({ url, queryParams });
     }
 
     /**
@@ -110,21 +104,9 @@ export class IdentityUserService {
             return of([]);
         }
         const url = this.buildUserUrl();
-        const httpMethod = 'GET', pathParams = {}, queryParams = { username: username }, bodyParam = {}, headerParams = {},
-            formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const queryParams = { username: username };
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-            url, httpMethod, pathParams, queryParams,
-            headerParams, formParams, bodyParam,
-            contentTypes, accepts, Object, null, null)
-        ).pipe(
-            map((response: []) => {
-                return response.map( (user: IdentityUserModel) =>  {
-                    return {id: user.id, firstName: user.firstName,  lastName: user.lastName, email: user.email, username: user.username};
-                });
-            }),
-            catchError((err) => this.handleError(err))
-        );
+        return this.oAuth2Service.get({url, queryParams });
     }
 
     /**
@@ -137,21 +119,9 @@ export class IdentityUserService {
             return of([]);
         }
         const url = this.buildUserUrl();
-        const httpMethod = 'GET', pathParams = {}, queryParams = { email: email }, bodyParam = {}, headerParams = {},
-            formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const queryParams = { email: email };
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-            url, httpMethod, pathParams, queryParams,
-            headerParams, formParams, bodyParam,
-            contentTypes, accepts, Object, null, null)
-        ).pipe(
-            map((response: []) => {
-                return response.map( (user: IdentityUserModel) =>  {
-                    return {id: user.id, firstName: user.firstName,  lastName: user.lastName, email: user.email, username: user.username};
-                });
-            }),
-            catchError((err) => this.handleError(err))
-        );
+        return this.oAuth2Service.get({ url, queryParams });
     }
 
     /**
@@ -164,14 +134,7 @@ export class IdentityUserService {
             return of([]);
         }
         const url = this.buildUserUrl() + '/' + id;
-        const httpMethod = 'GET', pathParams = {}, queryParams = {}, bodyParam = {}, headerParams = {},
-            formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
-
-        return (from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-            url, httpMethod, pathParams, queryParams,
-            headerParams, formParams, bodyParam,
-            contentTypes, accepts, Object, null, null)
-        ));
+        return this.oAuth2Service.get({ url });
     }
 
     /**
@@ -181,15 +144,8 @@ export class IdentityUserService {
      * @returns List of client roles
      */
     getClientRoles(userId: string, clientId: string): Observable<any[]> {
-        const url = this.buildUserClientRoleMapping(userId, clientId);
-        const httpMethod = 'GET', pathParams = {}, queryParams = {}, bodyParam = {}, headerParams = {},
-            formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
-
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-            url, httpMethod, pathParams, queryParams,
-            headerParams, formParams, bodyParam,
-            contentTypes, accepts, Object, null, null)
-        );
+        const url = `${this.identityHost}/users/${userId}/role-mappings/clients/${clientId}/composite`;
+        return this.oAuth2Service.get({ url });
     }
 
     /**
@@ -200,9 +156,7 @@ export class IdentityUserService {
      */
     checkUserHasClientApp(userId: string, clientId: string): Observable<boolean> {
         return this.getClientRoles(userId, clientId).pipe(
-            map((clientRoles: any[]) => {
-                return clientRoles.length > 0;
-            })
+            map((clientRoles) => clientRoles.length > 0)
         );
     }
 
@@ -219,9 +173,7 @@ export class IdentityUserService {
                 let hasRole = false;
                 if (clientRoles.length > 0) {
                     roleNames.forEach((roleName) => {
-                        const role = clientRoles.find((availableRole) => {
-                            return availableRole.name === roleName;
-                        });
+                        const role = clientRoles.find(({ name }) => name === roleName);
 
                         if (role) {
                             hasRole = true;
@@ -240,18 +192,13 @@ export class IdentityUserService {
      * @returns Client ID string
      */
     getClientIdByApplicationName(applicationName: string): Observable<string> {
-        const url = this.buildGetClientsUrl();
-        const httpMethod = 'GET', pathParams = {}, queryParams = { clientId: applicationName }, bodyParam = {}, headerParams = {}, formParams = {},
-            contentTypes = ['application/json'], accepts = ['application/json'];
-        return from(this.alfrescoApiService.getInstance()
-            .oauth2Auth.callCustomApi(url, httpMethod, pathParams, queryParams, headerParams,
-                formParams, bodyParam, contentTypes,
-                accepts, Object, null, null)
-        ).pipe(
-            map((response: any[]) => {
-                const clientId = response && response.length > 0 ? response[0].id : '';
-                return clientId;
-            })
+        const url = `${this.identityHost}/clients`;
+        const queryParams = { clientId: applicationName };
+
+        return this.oAuth2Service
+            .get<any[]>({url, queryParams })
+            .pipe(
+                map((response) => response && response.length > 0 ? response[0].id : '')
             );
     }
 
@@ -290,18 +237,7 @@ export class IdentityUserService {
      */
     getUsers(): Observable<IdentityUserModel[]> {
         const url = this.buildUserUrl();
-        const httpMethod = 'GET', pathParams = {}, queryParams = {}, bodyParam = {}, headerParams = {},
-            formParams = {}, authNames = [], contentTypes = ['application/json'], accepts = ['application/json'];
-
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-            url, httpMethod, pathParams, queryParams,
-            headerParams, formParams, bodyParam, authNames,
-            contentTypes, accepts, null, null)
-        ).pipe(
-            map((response: IdentityUserModel[]) => {
-                return response;
-            })
-        );
+        return this.oAuth2Service.get({ url });
     }
 
     /**
@@ -310,19 +246,8 @@ export class IdentityUserService {
      * @returns Array of role info objects
      */
     getUserRoles(userId: string): Observable<IdentityRoleModel[]> {
-        const url = this.buildRolesUrl(userId);
-        const httpMethod = 'GET', pathParams = {}, queryParams = {}, bodyParam = {}, headerParams = {},
-            formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
-
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-            url, httpMethod, pathParams, queryParams,
-            headerParams, formParams, bodyParam,
-            contentTypes, accepts, Object, null, null)
-        ).pipe(
-            map((response: IdentityRoleModel[]) => {
-                return response;
-            })
-        );
+        const url = `${this.identityHost}/users/${userId}/role-mappings/realm/composite`;
+        return this.oAuth2Service.get({ url });
     }
 
     /**
@@ -357,7 +282,7 @@ export class IdentityUserService {
             const currentUser = this.getCurrentUserInfo();
             let users = await this.getUsers().toPromise();
 
-            users = users.filter((user) => { return user.username !== currentUser.username; });
+            users = users.filter(({ username }) => username !== currentUser.username);
 
             for (let i = 0; i < users.length; i++) {
                 const hasAnyRole = await this.userHasAnyRole(users[i].id, roleNames);
@@ -394,9 +319,7 @@ export class IdentityUserService {
             let hasRole = false;
             if (userRoles && userRoles.length > 0) {
                 roleNames.forEach((roleName: string) => {
-                    const role = userRoles.find((userRole) => {
-                        return roleName === userRole.name;
-                    });
+                    const role = userRoles.find(({ name }) => roleName === name);
                     if (role) {
                         hasRole = true;
                         return;
@@ -413,18 +336,12 @@ export class IdentityUserService {
      */
     queryUsers(requestQuery: IdentityUserQueryCloudRequestModel): Observable<IdentityUserQueryResponse> {
         const url = this.buildUserUrl();
-        const httpMethod = 'GET', pathParams = {},
-        queryParams = { first: requestQuery.first, max: requestQuery.max }, bodyParam = {}, headerParams = {},
-        formParams = {}, authNames = [], contentTypes = ['application/json'];
+        const queryParams = { first: requestQuery.first, max: requestQuery.max };
 
         return this.getTotalUsersCount().pipe(
-                switchMap((totalCount: any) =>
-                from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-                    url, httpMethod, pathParams, queryParams,
-                    headerParams, formParams, bodyParam, authNames,
-                    contentTypes, null, null, null)
-                ).pipe(
-                    map((response: IdentityUserModel[]) => {
+            switchMap((totalCount) =>
+                this.oAuth2Service.get<IdentityUserModel[]>({ url, queryParams }).pipe(
+                    map((response) => {
                         return <IdentityUserQueryResponse> {
                             entries: response,
                             pagination: {
@@ -435,9 +352,9 @@ export class IdentityUserService {
                               totalItems: totalCount
                             }
                         };
-                    }),
-                    catchError((error) => this.handleError(error))
-                    ))
+                    })
+                )
+            )
         );
     }
 
@@ -447,15 +364,7 @@ export class IdentityUserService {
      */
     getTotalUsersCount(): Observable<number> {
         const url = this.buildUserUrl() + `/count`;
-        const contentTypes = ['application/json'], accepts = ['application/json'];
-        return from(this.alfrescoApiService.getInstance()
-            .oauth2Auth.callCustomApi(url, 'GET',
-              null, null, null,
-              null, null, contentTypes,
-              accepts, null, null, null
-              )).pipe(
-                catchError((error) => this.handleError(error))
-            );
+        return this.oAuth2Service.get({ url });
     }
 
     /**
@@ -465,17 +374,9 @@ export class IdentityUserService {
      */
     createUser(newUser: IdentityUserModel): Observable<any> {
         const url = this.buildUserUrl();
-        const request = JSON.stringify(newUser);
-        const httpMethod = 'POST', pathParams = {}, queryParams = {}, bodyParam = request, headerParams = {},
-        formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const bodyParam = JSON.stringify(newUser);
 
-        return from(
-            this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-                url, httpMethod, pathParams, queryParams,
-                headerParams, formParams, bodyParam,
-                contentTypes, accepts, null, null, null
-                )
-        ).pipe(catchError(error => this.handleError(error)));
+        return this.oAuth2Service.post({ url, bodyParam });
     }
 
     /**
@@ -486,17 +387,9 @@ export class IdentityUserService {
      */
     updateUser(userId: string, updatedUser: IdentityUserModel): Observable<any> {
         const url = this.buildUserUrl() + '/' + userId;
-        const request = JSON.stringify(updatedUser);
-        const httpMethod = 'PUT', pathParams = {} , queryParams = {}, bodyParam = request, headerParams = {},
-        formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const bodyParam = JSON.stringify(updatedUser);
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-        url, httpMethod, pathParams, queryParams,
-        headerParams, formParams, bodyParam,
-        contentTypes, accepts, null, null, null
-        )).pipe(
-            catchError((error) => this.handleError(error))
-        );
+        return this.oAuth2Service.put({ url, bodyParam });
     }
 
     /**
@@ -506,16 +399,7 @@ export class IdentityUserService {
      */
     deleteUser(userId: string): Observable<any> {
         const url = this.buildUserUrl() + '/' + userId;
-        const httpMethod = 'DELETE', pathParams = {} , queryParams = {}, bodyParam = {}, headerParams = {},
-        formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
-
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-        url, httpMethod, pathParams, queryParams,
-        headerParams, formParams, bodyParam,
-        contentTypes, accepts, null, null, null
-        )).pipe(
-            catchError((error) => this.handleError(error))
-        );
+        return this.oAuth2Service.delete({ url });
     }
 
     /**
@@ -526,17 +410,9 @@ export class IdentityUserService {
      */
     changePassword(userId: string, newPassword: IdentityUserPasswordModel): Observable<any> {
         const url = this.buildUserUrl() + '/' + userId + '/reset-password';
-        const request = JSON.stringify(newPassword);
-        const httpMethod = 'PUT', pathParams = {} , queryParams = {}, bodyParam = request, headerParams = {},
-        formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const bodyParam = JSON.stringify(newPassword);
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-        url, httpMethod, pathParams, queryParams,
-        headerParams, formParams, bodyParam,
-        contentTypes, accepts, null, null, null
-        )).pipe(
-            catchError((error) => this.handleError(error))
-        );
+        return this.oAuth2Service.put({ url, bodyParam });
     }
 
     /**
@@ -546,17 +422,9 @@ export class IdentityUserService {
      */
     getInvolvedGroups(userId: string): Observable<IdentityGroupModel[]> {
         const url = this.buildUserUrl() + '/' + userId + '/groups/';
-        const httpMethod = 'GET', pathParams = { id: userId},
-        queryParams = {}, bodyParam = {}, headerParams = {},
-        formParams = {}, authNames = [], contentTypes = ['application/json'];
+        const pathParams = { id: userId };
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-                    url, httpMethod, pathParams, queryParams,
-                    headerParams, formParams, bodyParam, authNames,
-                    contentTypes, null, null, null
-                    )).pipe(
-                        catchError((error) => this.handleError(error))
-                    );
+        return this.oAuth2Service.get({ url, pathParams });
     }
 
     /**
@@ -566,17 +434,9 @@ export class IdentityUserService {
      */
     joinGroup(joinGroupRequest: IdentityJoinGroupRequestModel): Observable<any> {
         const url = this.buildUserUrl() + '/' + joinGroupRequest.userId + '/groups/' + joinGroupRequest.groupId;
-        const request = JSON.stringify(joinGroupRequest);
-        const httpMethod = 'PUT', pathParams = {} , queryParams = {}, bodyParam = request, headerParams = {},
-        formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const bodyParam = JSON.stringify(joinGroupRequest);
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-        url, httpMethod, pathParams, queryParams,
-        headerParams, formParams, bodyParam,
-        contentTypes, accepts, null, null, null
-        )).pipe(
-            catchError((error) => this.handleError(error))
-        );
+        return this.oAuth2Service.put({ url, bodyParam });
     }
 
     /**
@@ -587,16 +447,7 @@ export class IdentityUserService {
      */
     leaveGroup(userId: any, groupId: string): Observable<any> {
         const url = this.buildUserUrl() + '/' + userId + '/groups/' + groupId;
-        const httpMethod = 'DELETE', pathParams = {} , queryParams = {}, bodyParam = {}, headerParams = {},
-        formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
-
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-        url, httpMethod, pathParams, queryParams,
-        headerParams, formParams, bodyParam,
-        contentTypes, accepts, null, null, null
-        )).pipe(
-            catchError((error) => this.handleError(error))
-        );
+        return this.oAuth2Service.delete({ url });
     }
 
     /**
@@ -606,17 +457,7 @@ export class IdentityUserService {
      */
     getAvailableRoles(userId: string): Observable<IdentityRoleModel[]> {
         const url = this.buildUserUrl() + '/' + userId + '/role-mappings/realm/available';
-        const httpMethod = 'GET', pathParams = {},
-        queryParams = {}, bodyParam = {}, headerParams = {},
-        formParams = {}, authNames = [], contentTypes = ['application/json'];
-
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-                    url, httpMethod, pathParams, queryParams,
-                    headerParams, formParams, bodyParam, authNames,
-                    contentTypes, null, null, null
-                    )).pipe(
-                        catchError((error) => this.handleError(error))
-                    );
+        return this.oAuth2Service.get({ url });
     }
 
     /**
@@ -626,17 +467,9 @@ export class IdentityUserService {
      */
     getAssignedRoles(userId: string): Observable<IdentityRoleModel[]> {
         const url = this.buildUserUrl() + '/' + userId + '/role-mappings/realm';
-        const httpMethod = 'GET', pathParams = { id: userId},
-        queryParams = {}, bodyParam = {}, headerParams = {},
-        formParams = {}, authNames = [], contentTypes = ['application/json'];
+        const pathParams = { id: userId };
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-                    url, httpMethod, pathParams, queryParams,
-                    headerParams, formParams, bodyParam, authNames,
-                    contentTypes, null, null, null
-                    )).pipe(
-                        catchError((error) => this.handleError(error))
-                    );
+        return this.oAuth2Service.get({ url, pathParams });
     }
 
     /**
@@ -646,17 +479,9 @@ export class IdentityUserService {
      */
     getEffectiveRoles(userId: string): Observable<IdentityRoleModel[]> {
         const url = this.buildUserUrl() + '/' + userId + '/role-mappings/realm/composite';
-        const httpMethod = 'GET', pathParams = { id: userId},
-        queryParams = {}, bodyParam = {}, headerParams = {},
-        formParams = {}, authNames = [], contentTypes = ['application/json'];
+        const pathParams = { id: userId };
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-                    url, httpMethod, pathParams, queryParams,
-                    headerParams, formParams, bodyParam, authNames,
-                    contentTypes, null, null, null
-                    )).pipe(
-                        catchError((error) => this.handleError(error))
-                    );
+        return this.oAuth2Service.get({ url, pathParams });
     }
 
     /**
@@ -667,17 +492,9 @@ export class IdentityUserService {
      */
     assignRoles(userId: string, roles: IdentityRoleModel[]): Observable<any> {
         const url = this.buildUserUrl() + '/' + userId + '/role-mappings/realm';
-        const request = JSON.stringify(roles);
-        const httpMethod = 'POST', pathParams = {} , queryParams = {}, bodyParam = request, headerParams = {},
-        formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const bodyParam = JSON.stringify(roles);
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-        url, httpMethod, pathParams, queryParams,
-        headerParams, formParams, bodyParam,
-        contentTypes, accepts, null, null, null
-        )).pipe(
-            catchError((error) => this.handleError(error))
-        );
+        return this.oAuth2Service.post({ url, bodyParam });
     }
 
     /**
@@ -688,41 +505,8 @@ export class IdentityUserService {
      */
     removeRoles(userId: string, removedRoles: IdentityRoleModel[]): Observable<any> {
         const url = this.buildUserUrl() + '/' + userId + '/role-mappings/realm';
-        const request = JSON.stringify(removedRoles);
-        const httpMethod = 'DELETE', pathParams = {} , queryParams = {}, bodyParam = request, headerParams = {},
-        formParams = {}, contentTypes = ['application/json'], accepts = ['application/json'];
+        const bodyParam = JSON.stringify(removedRoles);
 
-        return from(this.alfrescoApiService.getInstance().oauth2Auth.callCustomApi(
-        url, httpMethod, pathParams, queryParams,
-        headerParams, formParams, bodyParam,
-        contentTypes, accepts, null, null, null
-        )).pipe(
-            catchError((error) => this.handleError(error))
-        );
-    }
-
-    private buildUserUrl(): string {
-        return `${this.appConfigService.get('identityHost')}/users`;
-    }
-
-    private buildUserClientRoleMapping(userId: string, clientId: string): string {
-        return `${this.appConfigService.get('identityHost')}/users/${userId}/role-mappings/clients/${clientId}/composite`;
-    }
-
-    private buildRolesUrl(userId: string): string {
-        return `${this.appConfigService.get('identityHost')}/users/${userId}/role-mappings/realm/composite`;
-    }
-
-    private buildGetClientsUrl(): string {
-        return `${this.appConfigService.get('identityHost')}/clients`;
-    }
-
-    /**
-     * Throw the error
-     * @param error
-     */
-    private handleError(error: Response) {
-        this.logService.error(error);
-        return throwError(error || 'Server error');
+        return this.oAuth2Service.delete({ url, bodyParam });
     }
 }

lib/core/services/oauth2.service.ts

@@ -0,0 +1,84 @@
+/*!
+ * @license
+ * Copyright 2019 Alfresco Software, Ltd.
+ *
+ * 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 { AlfrescoApiService } from './alfresco-api.service';
+import { Observable, from } from 'rxjs';
+
+export const JSON_TYPE = ['application/json'];
+
+export interface OAuth2RequestParams {
+    url: string;
+    httpMethod?: string;
+    pathParams?: any;
+    queryParams?: any;
+    bodyParam?: any;
+}
+
+@Injectable({ providedIn: 'root' })
+export class OAuth2Service {
+    constructor(private alfrescoApiService: AlfrescoApiService) {}
+
+    get apiClient() {
+        return this.alfrescoApiService.getInstance().oauth2Auth;
+    }
+
+    request<T>(opts: OAuth2RequestParams): Observable<T> {
+        return from(
+            this.apiClient.callCustomApi(
+                opts.url,
+                opts.httpMethod,
+                opts.pathParams,
+                opts.queryParams,
+                {},
+                {},
+                opts.bodyParam,
+                JSON_TYPE,
+                JSON_TYPE,
+                Object
+            )
+        );
+    }
+
+    get<T>(opts: OAuth2RequestParams): Observable<T> {
+        return this.request({
+            ...opts,
+            httpMethod: 'GET'
+        });
+    }
+
+    put<T>(opts: OAuth2RequestParams): Observable<T> {
+        return this.request({
+            ...opts,
+            httpMethod: 'PUT'
+        });
+    }
+
+    post<T>(opts: OAuth2RequestParams): Observable<T> {
+        return this.request({
+            ...opts,
+            httpMethod: 'PUT'
+        });
+    }
+
+    delete<T>(opts: OAuth2RequestParams): Observable<T> {
+        return this.request({
+            ...opts,
+            httpMethod: 'DELETE'
+        });
+    }
+}