fix: splits controller en service beter op met querries

backend/src/controllers/learningPaths.ts

@@ -1,113 +1,44 @@
 import { Request, Response } from 'express';
 import { themes } from '../data/themes.js';
-import { DWENGO_API_BASE, FALLBACK_LANG } from '../config.js';
-import { fetchWithLogging } from '../util/apiHelper.js';
-import { fetchLearningPaths } from '../services/learningPaths.js';
-import { LearningPath } from '../interfaces/learningPath';
-
+import { FALLBACK_LANG } from '../config.js';
+import { fetchLearningPaths, searchLearningPaths } from '../services/learningPaths.js';
 /**
- * Fetch learning paths based on HRUIDs or return all if no HRUIDs are provided.
- * - If `hruids` are given -> fetch specific learning paths.
- * - If `hruids` is missing -> return all available learning paths.
+ * Fetch learning paths based on query parameters.
  */
 export async function getLearningPaths(
     req: Request,
     res: Response
 ):  Promise<void> {
     try {
-        const hruids = req.query.hruids; // Can be string or array
+        const hruids = req.query.hruid;
+        const themeKey = (req.query.theme as string);
+        const searchQuery = (req.query.search as string);
         const language = (req.query.language as string) || FALLBACK_LANG;
 
-        let hruidList: string[];
+        let hruidList = [];
 
         if (hruids) {
-            hruidList = Array.isArray(hruids)
-                ? hruids.map(String)
-                : [String(hruids)];
+            hruidList = Array.isArray(hruids) ? hruids.map(String) : [String(hruids)];
+        } else if (themeKey) {
+            const theme = themes.find((t) => t.title === themeKey);
+            if (theme) {
+                hruidList = theme.hruids;
             } else {
-            // If no hruids are provided, fetch ALL learning paths
-            hruidList = themes.flatMap((theme) => {
-                return theme.hruids;
-            });
+                res.status(404).json({ error: `Theme "${themeKey}" not found.` });
+                return;
+            }
+        } else if (searchQuery) {
+            const searchResults = await searchLearningPaths(searchQuery, language);
+            res.json(searchResults);
+            return;
+        } else {
+            hruidList = themes.flatMap((theme) => theme.hruids);
         }
 
-        const learningPaths = await fetchLearningPaths(
-            hruidList,
-            language,
-            `HRUIDs: ${hruidList.join(', ')}`
-        );
-
-        res.json(learningPaths);
+        const learningPaths = await fetchLearningPaths(hruidList, language, `HRUIDs: ${hruidList.join(', ')}`);
+        res.json(learningPaths.data);
     } catch (error) {
         console.error('❌ Unexpected error fetching learning paths:', error);
         res.status(500).json({ error: 'Internal server error' });
     }
 }
-
-/**
- * Fetch all learning paths for a specific theme.
- */
-export async function getLearningPathsByTheme(
-    req: Request,
-    res: Response
-): Promise<void> {
-    try {
-        const themeKey = req.params.theme;
-        const language = (req.query.language as string) || FALLBACK_LANG;
-
-        const theme = themes.find((t) => {
-            return t.title === themeKey;
-        });
-        if (!theme) {
-            console.error(`⚠️ WARNING: Theme "${themeKey}" not found.`);
-            res.status(404).json({ error: 'Theme not found' });
-            return;
-        }
-
-        const response = await fetchLearningPaths(
-            theme.hruids,
-            language,
-            `theme "${themeKey}"`
-        );
-        res.json({
-            theme: themeKey,
-            hruids: theme.hruids,
-            ...response,
-        });
-    } catch (error) {
-        console.error(
-            '❌ Unexpected error fetching learning paths by theme:',
-            error
-        );
-    }
-}
-
-/**
- * Search learning paths by query.
- */
-export async function searchLearningPaths(
-    req: Request,
-    res: Response
-): Promise<void> {
-    try {
-        const query = req.query.query as string;
-        const language = (req.query.language as string) || FALLBACK_LANG;
-
-        if (!query) {
-            res.status(400).json({ error: 'Missing search query' });
-            return;
-        }
-
-        const apiUrl = `${DWENGO_API_BASE}/learningPath/search`;
-        const params = { all: query, language };
-
-        const searchResults = await fetchWithLogging<LearningPath[]>(
-            apiUrl,
-            `Search learning paths with query "${query}"`,
-            params
-        );
-        res.json(searchResults ?? []);
-    } catch (error) {
-        console.error('❌ Unexpected error searching learning paths:', error);
-    }
-}

backend/src/services/learningPaths.ts

@@ -44,3 +44,15 @@ export async function fetchLearningPaths(
         data: learningPaths,
     };
 }
+
+
+export async function searchLearningPaths(
+    query: string,
+    language: string
+):  Promise<LearningPath[]>  {
+    const apiUrl = `${DWENGO_API_BASE}/learningPath/search`;
+    const params = { all: query, language };
+
+    const searchResults = await fetchWithLogging<LearningPath[]>(apiUrl, `Search learning paths with query "${query}"`, params);
+    return searchResults ?? [];
+}