feat: improve error handling

packages/components/src/components/iot-asset-details/iot-asset-details.tsx

@@ -22,21 +22,36 @@ export class IotAssetDetails {
 
   componentWillLoad() {
     this.assetSession = getSiteWiseAssetModule().startSession();
-    this.assetSession.requestAssetSummary(this.query, (summary: AssetSummary) => {
-      this.assetSummary = summary;
-      const assetId = this.assetSummary?.id as string;
-      const modelQuery: AssetModelQuery = { assetModelId: this.assetSummary.assetModelId as string };
-      this.assetSession.requestAssetModel(modelQuery, (assetModel: DescribeAssetModelResponse) => {
-        this.assetModel = assetModel;
-        assetModel.assetModelProperties?.forEach((prop) => {
-          let propQuery: AssetPropertyValueQuery = { assetId: assetId, propertyId: prop.id as string };
-          this.assetSession.requestAssetPropertyValue(propQuery, (propValue: AssetPropertyValue) => {
-            const copy = new Map(this.assetPropertyValues);
-            copy.set(prop.id as string, this.convertToString(propValue));
-            this.assetPropertyValues = copy;
-          });
+    this.assetSession.requestAssetSummary(this.query, {
+      next: (summary: AssetSummary) => {
+        this.assetSummary = summary;
+        const assetId = this.assetSummary?.id as string;
+        const modelQuery: AssetModelQuery = { assetModelId: this.assetSummary.assetModelId as string };
+        this.assetSession.requestAssetModel(modelQuery, {
+          next: (assetModel: DescribeAssetModelResponse) => {
+            this.assetModel = assetModel;
+            assetModel.assetModelProperties?.forEach((prop) => {
+              let propQuery: AssetPropertyValueQuery = { assetId: assetId, propertyId: prop.id as string };
+              this.assetSession.requestAssetPropertyValue(propQuery, {
+                next: (propValue: AssetPropertyValue) => {
+                  const copy = new Map(this.assetPropertyValues);
+                  copy.set(prop.id as string, this.convertToString(propValue));
+                  this.assetPropertyValues = copy;
+                },
+                error: (err) => {
+                  // noop
+                },
+              });
+            });
+          },
+          error: (err) => {
+            // noop
+          },
         });
-      });
+      },
+      error: (err) => {
+        // noop
+      },
     });
   }
 

packages/components/src/components/iot-asset-tree-demo/iot-asset-tree-demo.tsx

@@ -24,10 +24,12 @@ export class IotAssetTreeDemo {
     let session: SiteWiseAssetTreeSession = new SiteWiseAssetTreeModule(getSiteWiseAssetModule()).startSession(
       this.query
     );
-    this.subscription = session.subscribe((newTree) => {
-      this.roots = newTree;
-      // check the tree for any new unexpanded nodes and expand them:
-      this.expandNodes(newTree);
+    this.subscription = session.subscribe({
+      next: (newTree) => {
+        this.roots = newTree;
+        // check the tree for any new unexpanded nodes and expand them:
+        this.expandNodes(newTree);
+      },
     });
   }
 

packages/components/src/components/iot-resource-explorer/sitewise-resource-explorer.tsx

@@ -5,12 +5,12 @@ import {
   IoTAppKit,
   SiteWiseAssetTreeNode,
   SiteWiseAssetTreeQuery,
+  ErrorDetails,
 } from '@iot-app-kit/core';
-import { SitewiseAssetResource } from './types';
+import { SitewiseAssetResource, FilterTexts, ColumnDefinition } from './types';
 import { EmptyStateProps, ITreeNode, UseTreeCollection } from '@iot-app-kit/related-table';
 import { parseSitewiseAssetTree } from './utils';
 import { TableProps } from '@awsui/components-react/table';
-import { FilterTexts, ColumnDefinition } from './types';
 import { NonCancelableCustomEvent } from '@awsui/components-react';
 
 @Component({
@@ -33,6 +33,8 @@ export class SitewiseResourceExplorer {
 
   @State() items: SitewiseAssetResource[] = [];
 
+  @State() errors: ErrorDetails[] = [];
+
   defaults = {
     selectionType: 'single' as TableProps.SelectionType,
     loadingText: 'loading...',
@@ -50,9 +52,14 @@ export class SitewiseResourceExplorer {
   subscription: AssetTreeSubscription;
 
   componentWillLoad() {
-    this.subscription = this.appKit.subscribeToAssetTree(this.query, (newTree: SiteWiseAssetTreeNode[]) => {
-      this.items = parseSitewiseAssetTree(newTree);
-    });
+    this.subscription = this.appKit.subscribeToAssetTree(this.query, {
+      next: (newTree: SiteWiseAssetTreeNode[]) => {
+        this.items = parseSitewiseAssetTree(newTree);
+      },
+      error: (err: ErrorDetails[]) => {
+        this.errors = err;
+      },
+    }) as AssetTreeSubscription;
   }
 
   componentWillUnmount() {
@@ -87,6 +94,18 @@ export class SitewiseResourceExplorer {
     if (this.paginationEnabled) {
       collectionOptions.pagination = { pageSize: 20 };
     }
+
+    let empty: EmptyStateProps = this.defaults.empty;
+
+    if (this.empty) {
+      empty = this.empty;
+    }
+
+    if (this.errors.length > 0) {
+      // TODO: Make use of all the errors
+      empty = { header: 'Error', description: this.errors[this.errors.length - 1]?.msg };
+    }
+
     return (
       <iot-tree-table
         items={this.items}
@@ -97,7 +116,7 @@ export class SitewiseResourceExplorer {
         filterPlaceholder={filtering?.placeholder}
         onExpandChildren={this.expandNode}
         onSelectionChange={this.onSelectionChange}
-        empty={this.empty || this.defaults.empty}
+        empty={empty}
         sortingDisabled={!this.sortingEnabled}
         wrapLines={this.wrapLines}
       ></iot-tree-table>

packages/components/src/testing/testing-ground/siteWiseQueries.ts

@@ -1,12 +1,12 @@
 const STRING_ASSET_ID = 'f2f74fa8-625a-435f-b89c-d27b2d84f45b';
 const STRING_PROPERTY_ID = '797482e4-692f-45a2-b3db-17979481e9c3';
 
-export const DEMO_TURBINE_ASSET_1 = 'f2f74fa8-625a-435f-b89c-d27b2d84f45b';
+export const DEMO_TURBINE_ASSET_1 = '00eeb4b1-5017-48d4-9f39-1066f080a822';
 
-export const DEMO_TURBINE_ASSET_1_PROPERTY_1 = 'd0dc79be-0dc2-418c-ac23-26f33cdb4b8b';
-export const DEMO_TURBINE_ASSET_1_PROPERTY_2 = '69607dc2-5fbe-416d-aac2-0382018626e4';
-export const DEMO_TURBINE_ASSET_1_PROPERTY_3 = '26072fa0-e36e-489d-90b4-1774e7d12ac9';
-export const DEMO_TURBINE_ASSET_1_PROPERTY_4 = '5c2b7401-57e0-4205-97f2-c4348f12da9a';
+export const DEMO_TURBINE_ASSET_1_PROPERTY_1 = '8739b557-3e77-4df9-9862-130b29dee2b1';
+export const DEMO_TURBINE_ASSET_1_PROPERTY_2 = '9701d7ad-c22e-43fd-b040-68bad00317e3';
+export const DEMO_TURBINE_ASSET_1_PROPERTY_3 = 'bded202a-a436-46b8-85c1-21bb5b945f86';
+export const DEMO_TURBINE_ASSET_1_PROPERTY_4 = 'd8937b65-5f03-4e40-93ac-c5513420ade7';
 
 export const STRING_QUERY = {
   source: 'site-wise',
@@ -27,9 +27,9 @@ export const NUMBER_QUERY = {
   ],
 };
 
-const AGGREGATED_DATA_ASSET = 'f2f74fa8-625a-435f-b89c-d27b2d84f45b';
-const AGGREGATED_DATA_PROPERTY = 'd0dc79be-0dc2-418c-ac23-26f33cdb4b8b';
-const AGGREGATED_DATA_PROPERTY_2 = '69607dc2-5fbe-416d-aac2-0382018626e4';
+const AGGREGATED_DATA_ASSET = '099b1330-83ff-4fec-b165-c7186ec8eb23';
+const AGGREGATED_DATA_PROPERTY = '05c5c47f-fd92-4823-828e-09ce63b90569';
+const AGGREGATED_DATA_PROPERTY_2 = '11d2599a-2547-451d-ab79-a47f878dbbe3';
 
 export const AGGREGATED_DATA_QUERY = {
   assets: [

packages/components/src/testing/testing-ground/testing-ground.tsx

@@ -138,6 +138,7 @@ export class TestingGround {
           <iot-line-chart
             appKit={this.appKit}
             viewport={this.viewport}
+            settings={{ resolution: this.resolution, requestBuffer: 1 }}
             queries={[query.iotsitewise.timeSeriesData(AGGREGATED_DATA_QUERY)]}
           />
         </div>

packages/core/src/asset-modules/coordinator.ts

@@ -1,7 +1,7 @@
 import { SiteWiseAssetSession } from './sitewise/session';
-import { SiteWiseAssetTreeCallback, SiteWiseAssetTreeQuery } from './sitewise-asset-tree/types';
+import { SiteWiseAssetTreeObserver, SiteWiseAssetTreeQuery } from './sitewise-asset-tree/types';
 import { SiteWiseAssetTreeSession } from './sitewise-asset-tree/assetTreeSession';
 
 export const subscribeToAssetTree =
-  (assetModuleSession: SiteWiseAssetSession) => (query: SiteWiseAssetTreeQuery, callback: SiteWiseAssetTreeCallback) =>
-    new SiteWiseAssetTreeSession(assetModuleSession, query).subscribe(callback);
+  (assetModuleSession: SiteWiseAssetSession) => (query: SiteWiseAssetTreeQuery, observer: SiteWiseAssetTreeObserver) =>
+    new SiteWiseAssetTreeSession(assetModuleSession, query).subscribe(observer);

packages/core/src/asset-modules/mocks.ts

@@ -8,12 +8,14 @@ import {
 } from './sitewise/types';
 import { AssetPropertyValue, AssetSummary, DescribeAssetModelResponse } from '@aws-sdk/client-iotsitewise';
 import { lastValueFrom, Observable, Subscription } from 'rxjs';
+import { ErrorDetails } from '../common/types';
 
 export class MockSiteWiseAssetsReplayData {
   public models: Map<string, DescribeAssetModelResponse> = new Map<string, DescribeAssetModelResponse>();
   public hierarchies: Map<string, HierarchyAssetSummaryList> = new Map<string, HierarchyAssetSummaryList>();
   public properties: Map<string, AssetPropertyValue> = new Map<string, AssetPropertyValue>();
   public assets: Map<string, AssetSummary> = new Map<string, AssetSummary>();
+  public errors: ErrorDetails[] = [];
 
   public addAssetModels(newModels: DescribeAssetModelResponse[]) {
     newModels.forEach((model) => this.models.set(model.assetModelId as string, model));
@@ -33,6 +35,10 @@ export class MockSiteWiseAssetsReplayData {
   ) {
     this.hierarchies.set(assetHierarchyQueryKey(query), newHierarchyAssetSummaryList);
   }
+
+  public addErrors(errors: ErrorDetails[]) {
+    this.errors = [...this.errors, ...errors];
+  }
 }
 
 export class MockSiteWiseAssetSession implements SiteWiseAssetSessionInterface {
@@ -44,10 +50,20 @@ export class MockSiteWiseAssetSession implements SiteWiseAssetSessionInterface {
 
   private _requestAssetSummary(query: { assetId: string }): Observable<AssetSummary> {
     return new Observable<AssetSummary>((observer) => {
-      observer.next(this.replayData.assets.get(query.assetId));
+      if (this.replayData.errors.length > 0) {
+        observer.error(this.replayData.errors);
+      } else {
+        observer.next(this.replayData.assets.get(query.assetId));
+      }
     });
   }
-  requestAssetSummary(query: { assetId: string }, observer: (assetSummary: AssetSummary) => void): Subscription {
+  requestAssetSummary(
+    query: { assetId: string },
+    observer: {
+      next: (assetSummary: AssetSummary) => void;
+      error?: (err: ErrorDetails[]) => void;
+    }
+  ): Subscription {
     return this._requestAssetSummary(query).subscribe(observer);
   }
   fetchAssetSummary(query: { assetId: string }): Promise<AssetSummary> {
@@ -61,7 +77,10 @@ export class MockSiteWiseAssetSession implements SiteWiseAssetSessionInterface {
   }
   requestAssetModel(
     query: { assetModelId: string },
-    observer: (assetSummary: DescribeAssetModelResponse) => void
+    observer: {
+      next: (assetSummary: DescribeAssetModelResponse) => void;
+      error?: (err: ErrorDetails[]) => void;
+    }
   ): Subscription {
     return this._requestAssetModel(query).subscribe(observer);
   }
@@ -76,7 +95,10 @@ export class MockSiteWiseAssetSession implements SiteWiseAssetSessionInterface {
   }
   requestAssetPropertyValue(
     query: { assetId: string; propertyId: string },
-    observer: (assetSummary: AssetPropertyValue) => void
+    observer: {
+      next: (assetSummary: AssetPropertyValue) => void;
+      error?: (err: ErrorDetails[]) => void;
+    }
   ): Subscription {
     return this._requestAssetPropertyValue(query).subscribe(observer);
   }
@@ -89,12 +111,19 @@ export class MockSiteWiseAssetSession implements SiteWiseAssetSessionInterface {
     assetHierarchyId: string;
   }): Observable<HierarchyAssetSummaryList> {
     return new Observable<HierarchyAssetSummaryList>((observer) => {
-      observer.next(this.replayData.hierarchies.get(assetHierarchyQueryKey(query)));
+      if (this.replayData.errors.length > 0) {
+        observer.error(this.replayData.errors);
+      } else {
+        observer.next(this.replayData.hierarchies.get(assetHierarchyQueryKey(query)));
+      }
     });
   }
   requestAssetHierarchy(
     query: { assetId?: string | undefined; assetHierarchyId: string },
-    observer: (assetSummary: HierarchyAssetSummaryList) => void
+    observer: {
+      next: (assetSummary: HierarchyAssetSummaryList) => void;
+      error?: (err: ErrorDetails[]) => void;
+    }
   ): Subscription {
     return this._requestAssetHierarchy(query).subscribe(observer);
   }
@@ -107,10 +136,17 @@ export class MockSiteWiseAssetSession implements SiteWiseAssetSessionInterface {
 
   _requestRootAssets(): Observable<HierarchyAssetSummaryList> {
     return new Observable<HierarchyAssetSummaryList>((observer) => {
-      observer.next(this.replayData.hierarchies.get(assetHierarchyQueryKey({ assetHierarchyId: HIERARCHY_ROOT_ID })));
+      if (this.replayData.errors.length > 0) {
+        observer.error(this.replayData.errors);
+      } else {
+        observer.next(this.replayData.hierarchies.get(assetHierarchyQueryKey({ assetHierarchyId: HIERARCHY_ROOT_ID })));
+      }
     });
   }
-  requestRootAssets(observer: (assetSummary: HierarchyAssetSummaryList) => void): Subscription {
+  requestRootAssets(observer: {
+    next: (assetSummary: HierarchyAssetSummaryList) => void;
+    error?: (err: ErrorDetails[]) => void;
+  }): Subscription {
     return this._requestRootAssets().subscribe(observer);
   }
   fetchRootAssets(): Promise<HierarchyAssetSummaryList> {