feat: add query for autocomplete suggestions (#158)

* feat: add query for autocomplete suggestion * chore: change to getAutoComplete Co-authored-by: Rutaj Dash <33367546+rutajdash@users.noreply.github.com> * chore: change to getAutoComplete Co-authored-by: Rutaj Dash <33367546+rutajdash@users.noreply.github.com> * chore: change to getAutoComplete Co-authored-by: Rutaj Dash <33367546+rutajdash@users.noreply.github.com> * chore: change to getAutoComplete Co-authored-by: Rutaj Dash <33367546+rutajdash@users.noreply.github.com> Co-authored-by: Rutaj Dash <33367546+rutajdash@users.noreply.github.com>
Monday-Morning · Nov 5, 2022 · 53f2d03 · 53f2d03
1 parent bf9e089
commit 53f2d03
Show file tree

Hide file tree

Showing 3 changed files with 54 additions and 0 deletions.
diff --git a/server/schema/article/article.datasources.js b/server/schema/article/article.datasources.js
@@ -163,6 +163,23 @@ const search = (keywords, allowRestricted, onlyPublished, limit, offset) =>
     createdAt: 'desc',
   });
 
+const autoComplete = (keyword, allowRestricted, onlyPublished, limit) =>
+  ArticleModel.aggregate([
+    {
+      $search: { index: 'autoComplete', autocomplete: { query: keyword, path: 'title' } },
+    },
+    {
+      $match: {
+        $and: getBaseConditions(allowRestricted, onlyPublished),
+      },
+    },
+    {
+      $limit: limit,
+    },
+  ]).sort({
+    createdAt: 'desc',
+  });
+
 const create = async (
   articleType,
   title,
@@ -425,6 +442,7 @@ const ArticleDataSources = () => ({
   findByYearAndMonth,
   findAll,
   search,
+  autoComplete,
   create,
   updateProps,
   updateUsers,

diff --git a/server/schema/article/article.query.js b/server/schema/article/article.query.js
@@ -25,6 +25,7 @@ const {
   getListOfArticles,
   getArticlesByCategories,
   searchArticle,
+  getAutoComplete,
   listArticlesByYearAndMonth,
   listAllArticles,
   countOfArticlesBySubCategory,
@@ -166,6 +167,21 @@ module.exports = new GraphQLObjectType({
       },
       resolve: searchArticle,
     },
+    getAutoComplete: {
+      description: 'auto complete suggestion for articles using keywords',
+      type: new GraphQLList(ArticleType),
+      args: {
+        keywords: {
+          description: 'The search keywords.',
+          type: new GraphQLNonNull(GraphQLString),
+        },
+        limit: {
+          description: 'The number of results to return',
+          type: GraphQLInt,
+        },
+      },
+      resolve: getAutoComplete,
+    },
     countTotalArticles: {
       description: 'Counts the total number of articles',
       type: GraphQLInt,

diff --git a/server/schema/article/article.resolver.js b/server/schema/article/article.resolver.js
@@ -388,6 +388,26 @@ module.exports = {
       throw APIError(null, error);
     }
   },
+  getAutoComplete: async (
+    _parent,
+    { keywords, limit = DEF_LIMIT },
+    { session, authToken, decodedToken, API: { Article } }
+  ) => {
+    try {
+      const allowRestricted = UserPermission.exists(session, authToken, decodedToken, 'article.list.restricted');
+      const onlyPublished = !UserPermission.exists(session, authToken, decodedToken, 'article.list.unpublished');
+
+      const _articles = await Article.autoComplete(keywords, allowRestricted, onlyPublished, limit);
+
+      if (!_articles || _articles.length <= 0) {
+        throw APIError('NOT_FOUND', null, { reason: 'No articles were found with the given keywords.' });
+      }
+      return _articles;
+    } catch (error) {
+      throw APIError(null, error);
+    }
+  },
+
   createArticle: async (
     _parent,
     { articleType, title, authors, photographers, designers, tech, categories },