Connected tags to the search index

refs https://github.com/TryGhost/Team/issues/1665

- Tags should be searchable. This change hooks up the Tags Content API with the search index

ghost/sodo-search/src/search-index.js

@@ -36,12 +36,22 @@ export default class SearchIndex {
         });
     }
 
+    #updateTagsIndex(data) {
+        data.tags.forEach((tag) => {
+            this.tagsIndex.addDoc({
+                id: tag.id,
+                name: tag.name
+            });
+        });
+    }
+
     async init() {
         // remove default stop words to search of *any* word
         elasticlunr.clearStopWords();
 
         const postsAPIUrl = `${this.apiUrl}/posts/?key=${this.apiKey}&limit=all&fields=id,slug,title,excerpt,url,updated_at,visibility&order=updated_at%20desc&formats=plaintext`;
         const authorsAPIUrl = `${this.apiUrl}/authors/?key=${this.apiKey}&limit=all&fields=id,slug,name,profile_image`;
+        const tagsAPIUrl = `${this.apiUrl}/tags/?key=${this.apiKey}&limit=all&fields=id,slug,name,url`;
 
         const indexDump = JSON.parse(this.storage.getItem('ease_search_index'));
 
@@ -71,6 +81,17 @@ export default class SearchIndex {
 
                 this.#updateAuthorsIndex(authors);
             }
+
+            const tagsResponse = await fetch(tagsAPIUrl);
+            const tags = await tagsResponse.json();
+
+            if (tags.tags.length > 0) {
+                this.tagsIndex = elasticlunr();
+                this.tagsIndex.addField('name');
+                this.tagsIndex.setRef('id');
+
+                this.#updateTagsIndex(tags);
+            }
         } else {
             this.postsIndex = elasticlunr.Index.load(indexDump);
 
@@ -88,6 +109,7 @@ export default class SearchIndex {
     search(value) {
         const posts = this.postsIndex.search(value, {expand: true});
         const authors = this.authorsIndex.search(value, {expand: true});
+        const tags = this.tagsIndex.search(value, {expand: true});
 
         return {
             posts: posts.map((doc) => {
@@ -95,6 +117,9 @@ export default class SearchIndex {
             }),
             authors: authors.map((doc) => {
                 return this.authorsIndex.documentStore.docs[doc.ref];
+            }),
+            tags: tags.map((doc) => {
+                return this.tagsIndex.documentStore.docs[doc.ref];
             })
         };
     }

ghost/sodo-search/src/search-index.test.js

@@ -22,6 +22,13 @@ describe('search index', function () {
                     id: 'different_uniq',
                     name: 'Barcelona Author'
                 }]
+            })
+            .get('/tags/?key=secret_key&&limit=all&fields=id,slug,name,url')
+            .reply(200, {
+                tags: [{
+                    id: 'uniq_tag',
+                    name: 'Barcelona Tag'
+                }]
             });
 
         await searchIndex.init({apiUrl, apiKey});
@@ -51,6 +58,15 @@ describe('search index', function () {
                     name: 'Barcelona Author',
                     profile_image: 'https://url_to_avatar/barcelona.png'
                 }]
+            })
+            .get('/tags/?key=secret_key&&limit=all&fields=id,slug,name,url')
+            .reply(200, {
+                tags: [{
+                    id: 'uniq_tag',
+                    slug: 'barcelona-tag',
+                    name: 'Barcelona Tag',
+                    url: 'http://localhost/ghost/tags/barcelona-tag'
+                }]
             });
 
         await searchIndex.init({apiUrl, apiKey});
@@ -58,9 +74,16 @@ describe('search index', function () {
         let searchResults = searchIndex.search('Barcelona');
         expect(searchResults.posts.length).toEqual(1);
         expect(searchResults.posts[0].title).toEqual('Awesome Barcelona Life');
+
+        expect(searchResults.authors.length).toEqual(1);
         expect(searchResults.authors[0].name).toEqual('Barcelona Author');
 
+        expect(searchResults.tags.length).toEqual(1);
+        expect(searchResults.tags[0].name).toEqual('Barcelona Tag');
+
         searchResults = searchIndex.search('Nothing like this');
         expect(searchResults.posts.length).toEqual(0);
+        expect(searchResults.authors.length).toEqual(0);
+        expect(searchResults.tags.length).toEqual(0);
     });
 });