From 4d999c78bab59e5d1ba0277c531f9f0e898e692c Mon Sep 17 00:00:00 2001
From: Gerald Schmittinger <gerald.schmittinger@ugent.be>
Date: Sat, 8 Mar 2025 18:26:10 +0100
Subject: [PATCH] =?UTF-8?q?feat(backend):=20databaseLearningPathProvider.s?=
 =?UTF-8?q?earchLearningPaths=20ge=C3=AFmplementeerd.?=
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---
 .../data/content/learning-path-repository.ts  | 19 +++++++++++++++++++
 .../database-learning-path-provider.ts        |  9 +++++++--
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/backend/src/data/content/learning-path-repository.ts b/backend/src/data/content/learning-path-repository.ts
index 3ffb1e7f..4204a2ce 100644
--- a/backend/src/data/content/learning-path-repository.ts
+++ b/backend/src/data/content/learning-path-repository.ts
@@ -9,5 +9,24 @@ export class LearningPathRepository extends DwengoEntityRepository<LearningPath>
     ): Promise<LearningPath | null> {
         return this.findOne({ hruid: hruid, language: language });
     }
+
+    /**
+     * Returns all learning paths which have the given language and whose title OR description contains the
+     * query string.
+     *
+     * @param query The query string we want to seach for in the title or description.
+     * @param language The language of the learning paths we want to find.
+     */
+    public findByQueryStringAndLanguage(query: string, language: Language): Promise<LearningPath[]> {
+        return this.findAll({
+            where: {
+                language: language,
+                $or: [
+                    { title: { $like: `%${query}%`} },
+                    { description: { $like: `%${query}%`} }
+                ]
+            }
+        });
+    }
     // This repository is read-only for now since creating own learning object is an extension feature.
 }
diff --git a/backend/src/services/learning-paths/database-learning-path-provider.ts b/backend/src/services/learning-paths/database-learning-path-provider.ts
index 11f6e1bc..c3ed6863 100644
--- a/backend/src/services/learning-paths/database-learning-path-provider.ts
+++ b/backend/src/services/learning-paths/database-learning-path-provider.ts
@@ -157,8 +157,13 @@ const databaseLearningPathProvider: LearningPathProvider = {
     /**
      * Search learning paths in the database using the given search string.
      */
-    searchLearningPaths(query: string, language: string): Promise<LearningPath[]> {
-        return Promise.resolve([]); // TODO
+    async searchLearningPaths(query: string, language: Language): Promise<LearningPath[]> {
+        const searchResults = await learningPathRepo.findByQueryStringAndLanguage(query, language);
+        return await Promise.all(
+            searchResults.map((result, index) =>
+                convertLearningPath(result, index)
+            )
+        );
     }
 }