Merge remote-tracking branch 'origin/dev' into chore/login

# Conflicts:
#	backend/.env.example
#	backend/package.json
#	backend/src/app.ts
#	backend/src/routes/login.ts
#	backend/src/routes/student.ts
#	docker-compose.yml
#	frontend/src/App.vue
#	frontend/src/views/HomePage.vue
#	frontend/src/views/LoginPage.vue
#	package-lock.json

backend/src/util/apiHelper.ts

@@ -0,0 +1,35 @@
+import axios, { AxiosRequestConfig } from 'axios';
+import { getLogger, Logger } from '../logging/initalize.js';
+
+const logger: Logger = getLogger();
+
+/**
+ * Utility function to fetch data from an API endpoint with error handling.
+ * Logs errors but does NOT throw exceptions to keep the system running.
+ *
+ * @param url The API endpoint to fetch from.
+ * @param description A short description of what is being fetched (for logging).
+ * @param params
+ * @returns The response data if successful, or null if an error occurs.
+ */
+export async function fetchWithLogging<T>(url: string, description: string, params?: Record<string, any>): Promise<T | null> {
+    try {
+        const config: AxiosRequestConfig = params ? { params } : {};
+
+        const response = await axios.get<T>(url, config);
+        return response.data;
+    } catch (error: any) {
+        if (error.response) {
+            if (error.response.status === 404) {
+                logger.debug(`❌ ERROR: ${description} not found (404) at "${url}".`);
+            } else {
+                logger.debug(
+                    `❌ ERROR: Failed to fetch ${description}. Status: ${error.response.status} - ${error.response.statusText} (URL: "${url}")`
+                );
+            }
+        } else {
+            logger.debug(`❌ ERROR: Network or unexpected error when fetching ${description}:`, error.message);
+        }
+        return null;
+    }
+}

backend/src/util/envvars.ts

@@ -49,9 +49,7 @@ export function getNumericEnvVar(envVar: EnvVar): number {
     const valueString = getEnvVar(envVar);
     const value = parseInt(valueString);
     if (isNaN(value)) {
-        throw new Error(
-            `Invalid value for environment variable ${envVar.key}: ${valueString}. Expected a number.`
-        );
+        throw new Error(`Invalid value for environment variable ${envVar.key}: ${valueString}. Expected a number.`);
     } else {
         return value;
     }

backend/src/util/translationHelper.ts

@@ -0,0 +1,19 @@
+import fs from 'fs';
+import path from 'path';
+import yaml from 'js-yaml';
+import { FALLBACK_LANG } from '../config.js';
+import { getLogger, Logger } from '../logging/initalize.js';
+
+const logger: Logger = getLogger();
+
+export function loadTranslations<T>(language: string): T {
+    try {
+        const filePath = path.join(process.cwd(), '_i18n', `${language}.yml`);
+        const yamlFile = fs.readFileSync(filePath, 'utf8');
+        return yaml.load(yamlFile) as T;
+    } catch (error) {
+        logger.warn(`Cannot load translation for ${language}, fallen back to dutch`, error);
+        const fallbackPath = path.join(process.cwd(), '_i18n', `${FALLBACK_LANG}.yml`);
+        return yaml.load(fs.readFileSync(fallbackPath, 'utf8')) as T;
+    }
+}