[Datahub]: Change related datasets suggestions to be more relevant

apps/datahub-e2e/src/e2e/datasetDetailPage.cy.ts

@@ -619,7 +619,18 @@ describe('dataset pages', () => {
           cy.get('#related-records')
             .find('datahub-record-related-records')
             .find('gn-ui-related-record-card')
-            .should('have.length.gt', 0)
+            .should('have.length', 3)
+        })
+        it('should display a similar related record', () => {
+          cy.get('#related-records')
+            .find('datahub-record-related-records')
+            .find('gn-ui-related-record-card')
+            .first()
+            .find('h4')
+            .should(
+              'have.text',
+              ` SCoT (Schéma de cohérence territoriale) en région Hauts-de-France `
+            )
         })
         it('goes to dataset on click', () => {
           let targetLink

libs/api/repository/src/lib/gn4/elasticsearch/elasticsearch.service.spec.ts

@@ -1,5 +1,8 @@
 import { ElasticsearchService } from './elasticsearch.service'
-import { elasticAggsResponseFixture } from '@geonetwork-ui/common/fixtures'
+import {
+  datasetRecordsFixture,
+  elasticAggsResponseFixture,
+} from '@geonetwork-ui/common/fixtures'
 import { LangService } from '@geonetwork-ui/util/i18n'
 import { EsSearchParams } from '@geonetwork-ui/api/metadata-converter'
 import { TestBed } from '@angular/core/testing'
@@ -678,9 +681,10 @@ describe('ElasticsearchService', () => {
   })
 
   describe('#getRelatedRecordPayload', () => {
+    const record = datasetRecordsFixture()[0]
     let payload
     beforeEach(() => {
-      payload = service.getRelatedRecordPayload('record title', 'some-uuid', 4)
+      payload = service.getRelatedRecordPayload(record, 4)
     })
     it('returns ES payload', () => {
       expect(payload).toEqual({
@@ -716,9 +720,33 @@ describe('ElasticsearchService', () => {
                   fields: [
                     'resourceTitleObject.default',
                     'resourceAbstractObject.default',
-                    'tag.raw',
+                    'allKeywords',
+                  ],
+                  like: [
+                    {
+                      doc: {
+                        resourceTitleObject: {
+                          default:
+                            'A very interesting dataset (un jeu de données très intéressant)',
+                        },
+                        resourceAbstractObject: {
+                          default: `# Introduction
+This dataset has been established for testing purposes.
+
+## Details
+This is a section about details. Here is an HTML tag: <img src="http://google.com" />. And [a link](https://google.com).
+
+## Informations intéressantes
+Cette section contient des *caractères internationaux* (ainsi que des "caractères spéciaux"). 'çàü^@/~^&`,
+                        },
+                        allKeywords: [
+                          'international',
+                          'test',
+                          '_another_keyword_',
+                        ],
+                      },
+                    },
                   ],
-                  like: 'record title',
                   max_query_terms: 12,
                   min_term_freq: 1,
                 },
@@ -734,7 +762,7 @@ describe('ElasticsearchService', () => {
                 },
               },
             ],
-            must_not: [{ wildcard: { uuid: 'some-uuid' } }],
+            must_not: [{ wildcard: { uuid: 'my-dataset-001' } }],
           },
         },
         size: 4,

libs/api/repository/src/lib/gn4/elasticsearch/elasticsearch.service.ts

@@ -28,6 +28,7 @@ import {
 } from '@geonetwork-ui/api/metadata-converter'
 import { LangService } from '@geonetwork-ui/util/i18n'
 import { formatDate, isDateRange } from './date-range.utils'
+import { CatalogRecord } from '@geonetwork-ui/common/domain/model/record'
 
 export type DateRange = { start?: Date; end?: Date }
 
@@ -134,8 +135,7 @@ export class ElasticsearchService {
   }
 
   getRelatedRecordPayload(
-    title: string,
-    uuid: string,
+    record: CatalogRecord,
     size = 6,
     _source = [...ES_SOURCE_SUMMARY, 'allKeywords', 'createDate']
   ): EsSearchParams {
@@ -148,9 +148,23 @@ export class ElasticsearchService {
                 fields: [
                   'resourceTitleObject.default',
                   'resourceAbstractObject.default',
-                  'tag.raw',
+                  'allKeywords',
+                ],
+                like: [
+                  {
+                    doc: {
+                      resourceTitleObject: {
+                        default: record.title,
+                      },
+                      resourceAbstractObject: {
+                        default: record.abstract,
+                      },
+                      allKeywords: record.keywords.map(
+                        (keyword) => keyword.label
+                      ),
+                    },
+                  },
                 ],
-                like: title,
                 min_term_freq: 1,
                 max_query_terms: 12,
               },
@@ -166,7 +180,7 @@ export class ElasticsearchService {
               },
             },
           ],
-          must_not: [{ wildcard: { uuid: uuid } }],
+          must_not: [{ wildcard: { uuid: record.uniqueIdentifier } }],
         },
       },
       size,

libs/api/repository/src/lib/gn4/gn4-repository.spec.ts

@@ -262,11 +262,8 @@ describe('Gn4Repository', () => {
       )
     })
     it('uses a related record ES payload', () => {
-      expect(gn4Helper.getRelatedRecordPayload).toHaveBeenCalledWith(
-        'A very interesting dataset (un jeu de données très intéressant)',
-        'my-dataset-001',
-        3
-      )
+      const record = datasetRecordsFixture()[0]
+      expect(gn4Helper.getRelatedRecordPayload).toHaveBeenCalledWith(record, 3)
     })
     it('returns the given results as records', () => {
       expect(results).toStrictEqual(datasetRecordsFixture())

libs/api/repository/src/lib/gn4/gn4-repository.ts

@@ -143,11 +143,7 @@ export class Gn4Repository implements RecordsRepositoryInterface {
         'bucket',
         null,
         JSON.stringify(
-          this.gn4SearchHelper.getRelatedRecordPayload(
-            similarTo.title,
-            similarTo.uniqueIdentifier,
-            3
-          )
+          this.gn4SearchHelper.getRelatedRecordPayload(similarTo, 3)
         )
       )
       .pipe(