Finalize handling for api for metadata health endpoint and showing results

wherehows-web/app/components/datasets/containers/dataset-health.ts

@@ -4,10 +4,12 @@ import { task } from 'ember-concurrency';
 import ComputedProperty from '@ember/object/computed';
 import { IChartDatum } from 'wherehows-web/typings/app/visualization/charts';
 import { IHealthScore, IDatasetHealth } from 'wherehows-web/typings/api/datasets/health';
-import { healthCategories, healthSeverity, healthDetail } from 'wherehows-web/constants/data/temp-mock/health';
-import { readDatasetHealthByUrn } from 'wherehows-web/utils/api/datasets/health';
+import { readDatasetHealthByUrn, getCategory } from 'wherehows-web/utils/api/datasets/health';
 import { Tabs } from 'wherehows-web/constants/datasets/shared';
 import { equal } from '@ember-decorators/object/computed';
+import { IObject } from 'wherehows-web/typings/generic';
+import { service } from '@ember-decorators/service';
+import DatasetMeta from 'wherehows-web/services/dataset-meta';
 
 /**
  * Used for the dataset health tab, represents the fieldnames for the health score table
@@ -88,6 +90,9 @@ export default class DatasetHealthContainer extends Component {
   @equal('tabSelected', Tabs.Health)
   isActiveTab: boolean;
 
+  @service
+  datasetMeta: ComputedProperty<DatasetMeta>;
+
   /**
    * Modified categoryMetrics to add properties that will help us render our actual charts without modifying the original
    * data
@@ -145,21 +150,40 @@ export default class DatasetHealthContainer extends Component {
    * @type {Task<TaskInstance<Promise<any>>, (a?: any) => TaskInstance<TaskInstance<Promise<any>>>>}
    */
   getContainerDataTask = task(function*(this: DatasetHealthContainer): IterableIterator<Promise<IDatasetHealth>> {
-    const { health } = yield readDatasetHealthByUrn(get(this, 'urn'));
-    // Pretend like we're getting data from somehwere
-    const healthData = {
-      categories: healthCategories,
-      severity: healthSeverity,
-      detail: healthDetail
-    };
+    const health = <IDatasetHealth>yield readDatasetHealthByUrn(get(this, 'urn'));
 
-    setProperties(this, {
-      categoryMetrics: healthData.categories,
-      severityMetrics: healthData.severity,
-      tableData: healthData.detail
+    const details = health.validations || [];
+    const total = details.length;
+    const categories: IObject<number> = {};
+    const severities: IObject<number> = {};
+
+    // Go through the details and find the COUNT of severity and category groupings
+    const tableData: Array<IHealthScore> = details.map(detail => {
+      const category = getCategory(detail.validator);
+      const severity = detail.tier || 'none';
+      categories[category] = (categories[category] || 0) + 1;
+      severities[severity] = (severities[severity] || 0) + 1;
+
+      return { category, severity, description: detail.description, score: detail.score * 100 };
     });
 
-    return health; // Do something with health information
+    const categoryMetrics: Array<IChartDatum> = Object.keys(categories).map(category => ({
+      name: category,
+      value: Math.round((categories[category] / total) * 100)
+    }));
+
+    const severityMetrics: Array<IChartDatum> = Object.keys(severities).map(severity => ({
+      name: severity,
+      value: Math.round((severities[severity] / total) * 100)
+    }));
+
+    get(this, 'datasetMeta').set('healthScore', health.score * 100 || 0);
+
+    setProperties(this, {
+      categoryMetrics,
+      severityMetrics,
+      tableData
+    });
   });
 
   /**

wherehows-web/app/controllers/datasets/dataset.ts

@@ -7,6 +7,9 @@ import { Tabs } from 'wherehows-web/constants/datasets/shared';
 import { action } from '@ember-decorators/object';
 import { DatasetPlatform } from 'wherehows-web/constants';
 import { IDatasetView } from 'wherehows-web/typings/api/datasets/dataset';
+import { alias } from '@ember-decorators/object/computed';
+import DatasetMeta from 'wherehows-web/services/dataset-meta';
+import { service } from '@ember-decorators/service';
 
 export default class DatasetController extends Controller {
   queryParams = ['urn'];
@@ -102,6 +105,21 @@ export default class DatasetController extends Controller {
    */
   datasetContainsPersonalData: boolean;
 
+  /**
+   * Including the datasetmeta property that is connected to each child container for the routable
+   * tabs. Can be used to share information between these tabs from a higher level
+   * @type {Ember.Service}
+   */
+  @service
+  datasetMeta: ComputedProperty<DatasetMeta>;
+
+  /**
+   * Easy access in the template to the datasetMeta health score provided by the /health endpoint
+   * called in the dataset-health container
+   */
+  @alias('datasetMeta.healthScore')
+  datasetHealthScore: ComputedProperty<number>;
+
   /**
    * Flag indicating that the compliance policy needs user attention
    * @type {ComputedProperty<boolean>}
@@ -121,6 +139,12 @@ export default class DatasetController extends Controller {
     return encodeUrn(uri);
   });
 
+  shouldShowHealthGauge: ComputedProperty<boolean> = computed('datasetHealthScore', function(
+    this: DatasetController
+  ): boolean {
+    return typeof get(this, 'datasetHealthScore') === 'number';
+  });
+
   /**
    * Checks if the current platform exists in the supported list of JIT ACL whitelisted platforms
    * @type {ComputedProperty<boolean>}

wherehows-web/app/services/dataset-meta.ts

@@ -0,0 +1,15 @@
+import Service from '@ember/service';
+
+/**
+ * The dataset meta service can be used to share information between dataset route containers.
+ * Used to share health score but can be expanded to other meta informations
+ */
+export default class DatasetMeta extends Service {
+  healthScore: number;
+}
+
+declare module '@ember/service' {
+  interface Registry {
+    'dataset-meta': DatasetMeta;
+  }
+}

wherehows-web/app/templates/datasets/dataset.hbs

@@ -62,10 +62,12 @@
               class="dataset-owner-list"
               shouldShowDatasetHealth=shouldShowDatasetHealth}}
 
-            {{visualization/charts/score-gauge
-              class="dataset-health-score"
-              score=83
-              title="Health Score:"}}
+            {{#if shouldShowHealthGauge}}
+              {{visualization/charts/score-gauge
+                class="dataset-health-score"
+                score=datasetHealthScore
+                title="Health Score:"}}
+            {{/if}}
           {{/if}}
         </div>
 

wherehows-web/app/utils/api/datasets/health.ts

@@ -9,6 +9,26 @@ import { IHealthScoreResponse, IDatasetHealth } from 'wherehows-web/typings/api/
  */
 const datasetHealthUrlByUrn = (urn: string): string => `${datasetUrlByUrn(urn)}/health`;
 
+/**
+ * Constant for formatting of the validator string
+ * @type {string}
+ */
+const validatorFormat = 'com.linkedin.metadata.validators';
+
+/**
+ * Useful for removing extraneous information outside of category
+ * @type {RegExp}
+ */
+const validationRegex = new RegExp(`${validatorFormat}.|Validator`, 'gi');
+
+/**
+ * Given a string in the format 'com.linkedin.metadata.validators.[Category]Validator', extract
+ * Category and return it.
+ * @param validator - Given validator string
+ * @returns {string}
+ */
+export const getCategory = (validator: string) => validator.replace(validationRegex, '');
+
 export const readDatasetHealthByUrn = async (urn: string): Promise<IDatasetHealth> => {
   const defaultResponse = { score: 0, validations: [] };
 

wherehows-web/tests/unit/services/dataset-meta-test.ts

@@ -0,0 +1,14 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+
+module('Unit | Service | dataset-meta', function(hooks) {
+  setupTest(hooks);
+
+  test('it exists', function(assert) {
+    let service = this.owner.lookup('service:dataset-meta');
+    assert.ok(service);
+
+    service.set('healthScore', 50);
+    assert.equal(service.get('healthScore'), 50);
+  });
+});

wherehows-web/tests/unit/utils/api/datasets/validator-test.js

@@ -0,0 +1,10 @@
+import { module, test } from 'qunit';
+import { getCategory } from 'wherehows-web/utils/api/datasets/health';
+
+module('Unit | Utility | api/datasets/health', function() {
+  test('extracting category from validator string works', function(assert) {
+    const testSTtring = 'com.linkedin.metadata.validators.OwnershipValidator';
+
+    assert.equal(getCategory(testSTtring), 'Ownership');
+  });
+});