Show 'other apps bound to service instance' warning on delete app service instance step

src/frontend/app/features/applications/application-delete/delete-app-instances/app-delete-instances-routes-list-config.service.ts

@@ -1,23 +1,50 @@
 import { DatePipe } from '@angular/common';
 import { Injectable } from '@angular/core';
 import { Store } from '@ngrx/store';
+import { Observable, of as observableOf } from 'rxjs';
+import { first, map } from 'rxjs/operators';
 
+import { IServiceBinding } from '../../../../core/cf-api-svc.types';
+import { CurrentUserPermissionsService } from '../../../../core/current-user-permissions.service';
+import { RowState } from '../../../../shared/components/list/data-sources-controllers/list-data-source-types';
 import {
   AppServiceBindingListConfigService,
 } from '../../../../shared/components/list/list-types/app-sevice-bindings/app-service-binding-list-config.service';
 import { ListViewTypes } from '../../../../shared/components/list/list.component.types';
+import { PaginationMonitorFactory } from '../../../../shared/monitors/pagination-monitor.factory';
+import { FetchAllServiceBindings } from '../../../../store/actions/service-bindings.actions';
 import { AppState } from '../../../../store/app-state';
+import { entityFactory, serviceSchemaKey } from '../../../../store/helpers/entity-factory';
+import { createEntityRelationPaginationKey } from '../../../../store/helpers/entity-relations/entity-relations.types';
+import { getPaginationObservables } from '../../../../store/reducers/pagination-reducer/pagination-reducer.helper';
+import { APIResource } from '../../../../store/types/api.types';
+import { QParam } from '../../../../store/types/pagination.types';
 import { ApplicationService } from '../../application.service';
-import { CurrentUserPermissionsService } from '../../../../core/current-user-permissions.service';
 
 @Injectable()
 export class AppDeleteServiceInstancesListConfigService extends AppServiceBindingListConfigService {
   hideRefresh: boolean;
   allowSelection: boolean;
+  obsCache: { [serviceGuid: string]: Observable<RowState> } = {};
+
+  static createFetchServiceBinding = (cfGuid: string, serviceInstanceGuid: string): FetchAllServiceBindings => {
+    const action = new FetchAllServiceBindings(
+      cfGuid,
+      createEntityRelationPaginationKey(serviceSchemaKey, serviceInstanceGuid),
+    );
+    action.initialParams['results-per-page'] = 1;
+    action.initialParams.q = [
+      new QParam('service_instance_guid', serviceInstanceGuid),
+    ];
+    return action;
+  }
+
   constructor(store: Store<AppState>,
     appService: ApplicationService,
     private _datePipe: DatePipe,
-    private currentUserPermissionService: CurrentUserPermissionsService) {
+    private currentUserPermissionService: CurrentUserPermissionsService,
+    private paginationMonitorFactory: PaginationMonitorFactory
+  ) {
     super(store, appService, _datePipe, currentUserPermissionService);
 
     this.getGlobalActions = () => null;
@@ -28,5 +55,37 @@ export class AppDeleteServiceInstancesListConfigService extends AppServiceBindin
     this.defaultView = 'table';
     this.viewType = ListViewTypes.TABLE_ONLY;
     this.allowSelection = true;
+
+    // Show a warning if there is more than one service binding associated with a service instance
+    this.dataSource.getRowState = (serviceBinding: APIResource<IServiceBinding>): Observable<RowState> => {
+      if (!serviceBinding) {
+        return observableOf({});
+      }
+      if (!this.obsCache[serviceBinding.entity.service_instance_guid]) {
+        const action = AppDeleteServiceInstancesListConfigService.createFetchServiceBinding(
+          appService.cfGuid,
+          serviceBinding.entity.service_instance_guid
+        );
+        const pagObs = getPaginationObservables({
+          store,
+          action,
+          paginationMonitor: this.paginationMonitorFactory.create(
+            action.paginationKey,
+            entityFactory(action.entityKey)
+          )
+        });
+        this.obsCache[serviceBinding.entity.service_instance_guid] = pagObs.pagination$.pipe(
+          map(pag => ({
+            message: `There are other applications bound to this service instance (${pag.totalResults - 1}).`,
+            warning: pag.totalResults > 1,
+          }))
+        );
+        // Ensure the request is made by sub'ing to the entities observable
+        pagObs.entities$.pipe(
+          first(),
+        ).subscribe();
+      }
+      return this.obsCache[serviceBinding.entity.service_instance_guid];
+    };
   }
 }

src/frontend/app/features/service-catalog/services.service.ts

@@ -149,8 +149,6 @@ export class ServicesService {
     );
   }
 
-
-
   getServiceName = () => {
     return observableCombineLatest(this.serviceExtraInfo$, this.service$)
       .pipe(

src/frontend/app/shared/components/list/data-sources-controllers/list-data-source-types.ts

@@ -89,6 +89,7 @@ export interface RowState {
   blocked?: boolean;
   highlighted?: boolean;
   deleting?: boolean;
+  warning?: boolean;
   [customState: string]: any;
 }
 

src/frontend/app/shared/components/list/list-table/table-cell-radio/table-cell-radio.component.ts

@@ -1,6 +1,5 @@
-import { Component, Input, OnInit } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 
-import { ApplicationService } from '../../../../../features/applications/application.service';
 import { TableCellCustom } from '../../list.types';
 
 @Component({

src/frontend/app/shared/components/list/list-table/table-cell-select/table-cell-select.component.scss

@@ -1,3 +1 @@
-mat-checkbox {
-  padding: 10px;
-}
+

src/frontend/app/shared/components/list/list-table/table-header-select/table-header-select.component.scss

@@ -1,3 +1 @@
-mat-checkbox {
-  padding: 10px;
-}
+

src/frontend/app/shared/components/list/list-table/table-row/table-row.component.scss

@@ -15,7 +15,8 @@
       display: block;
     }
   }
-  &__errored {
+  &__errored,
+  &__warning {
     .table-row__error {
       display: flex;
     }

src/frontend/app/shared/components/list/list-table/table-row/table-row.component.theme.scss

@@ -8,26 +8,30 @@
   $foreground: map-get($theme, foreground);
   .table-row {
     border-bottom-color: mat-color($foreground, divider);
-    &__error {
-      background-color: $error-color;
-      color: $text-color;
-    }
-    &__error-message {
-      a {
-        color: $text-color;
-      }
-    }
   }
   .table-row-wrapper {
     &__errored {
       .table-row {
         background-color: transparentize($error-color, .9);
       }
+      .table-row__error {
+        background-color: $error-color;
+        color: $text-color;
+      }
+      .table-row__error-message {
+        a {
+          color: $text-color;
+        }
+      }
     }
     &__warning {
       .table-row {
         background-color: transparentize($warn-color, .9);
       }
+      .table-row__error {
+        background-color: $warn-color;
+        color: $text-color;
+      }
     }
     &__highlighted {
       background-color: transparentize($primary-color, .95);

src/frontend/app/shared/components/list/list-table/table.component.ts

@@ -17,7 +17,7 @@ const tableColumnSelect = {
   headerCellComponent: TableHeaderSelectComponent,
   cellComponent: TableCellSelectComponent,
   class: 'table-column-select',
-  cellFlex: '0 0 75px'
+  cellFlex: '0 0 60px'
 };
 
 const tableColumnAction = {

src/frontend/app/store/actions/service-bindings.actions.ts

@@ -1,8 +1,10 @@
+import { RequestOptions, URLSearchParams } from '@angular/http';
 
+import { entityFactory, serviceBindingSchemaKey } from '../helpers/entity-factory';
+import { PaginatedAction, PaginationParam } from '../types/pagination.types';
 import { CFStartAction, ICFAction } from '../types/request.types';
-import { RequestOptions, URLSearchParams } from '@angular/http';
 import { getActions } from './action.helper';
-import { entityFactory, serviceBindingSchemaKey } from '../helpers/entity-factory';
+
 
 export const DELETE_SERVICE_BINDING_ACTION = '[ Service Instances ] Delete Service Binding';
 export const DELETE_SERVICE_BINDING_ACTION_SUCCESS = '[ Service Instances ] Delete Service Binding success';
@@ -11,6 +13,7 @@ export const DELETE_SERVICE_BINDING_ACTION_FAILURE = '[ Service Instances ] Dele
 export const CREATE_SERVICE_BINDING_ACTION = '[ Service Instances ] Create Service Binding';
 export const CREATE_SERVICE_BINDING_ACTION_SUCCESS = '[ Service Instances ] Create Service Binding success';
 export const CREATE_SERVICE_BINDING_ACTION_FAILURE = '[ Service Instances ] Create Service Binding failure';
+
 export class CreateServiceBinding extends CFStartAction implements ICFAction {
   constructor(
     public endpointGuid: string,
@@ -33,7 +36,8 @@ export class CreateServiceBinding extends CFStartAction implements ICFAction {
     CREATE_SERVICE_BINDING_ACTION,
     CREATE_SERVICE_BINDING_ACTION_SUCCESS,
     CREATE_SERVICE_BINDING_ACTION_FAILURE
-  ];  entity = [entityFactory(serviceBindingSchemaKey)];
+  ];
+  entity = [entityFactory(serviceBindingSchemaKey)];
   entityKey = serviceBindingSchemaKey;
   options: RequestOptions;
 }
@@ -59,3 +63,21 @@ export class DeleteServiceBinding extends CFStartAction implements ICFAction {
   options: RequestOptions;
   removeEntityOnDelete = true;
 }
+
+export class FetchAllServiceBindings extends CFStartAction implements PaginatedAction {
+  constructor(public endpointGuid: string, public paginationKey: string, public includeRelations = [], public populateMissing = false) {
+    super();
+    this.options = new RequestOptions();
+    this.options.url = 'service_bindings';
+    this.options.method = 'get';
+  }
+  actions = getActions('Service Bindings', 'Get All');
+  entity = [entityFactory(serviceBindingSchemaKey)];
+  entityKey = serviceBindingSchemaKey;
+  options: RequestOptions;
+  initialParams: PaginationParam = {
+    'order-direction': 'asc',
+    page: 1,
+    'results-per-page': 100,
+  };
+}