feat: implement QuestionBank CRUD with pagination and template query

- Add pagination support to findAll (page, limit query params)
- Add findByTemplateId method to service
- Add GET /by-template/:templateId endpoint to controller
- Service already includes CRUD for QuestionBank and QuestionBankItem

extract_strings.js

@@ -0,0 +1,29 @@
+const fs = require('fs');
+
+const files = require('./files_to_translate.json');
+const translationMap = {};
+
+const logRegex = /(?:console|logger|Logger|this\.logger)\.(?:log|error|warn|info|debug|verbose)\(\s*((?:[\'\"\`])(?:.*?)[\u4e00-\u9fa5]+(?:.*?)(?:[\'\"\`]))/g;
+// We also need to catch template literals that have variables, e.g. `User ${userId} created`
+const logRegexTemplate = /(?:console|logger|Logger|this\.logger)\.(?:log|error|warn|info|debug|verbose)\(\s*(\`(?:.*?)\`)/gs;
+
+files.forEach(file => {
+    const content = fs.readFileSync(file, 'utf8');
+    let match;
+    // Match single/double quotes with Chinese
+    const simpleStringRegex = /(?:console|logger|Logger|this\.logger)\.(?:log|error|warn|info|debug|verbose)\(\s*(['"])(.*?[\u4e00-\u9fa5]+.*?)\1/g;
+    while ((match = simpleStringRegex.exec(content)) !== null) {
+        translationMap[match[2]] = ""; // The inner string
+    }
+
+    // Match template literals with Chinese
+    const templateRegex = /(?:console|logger|Logger|this\.logger)\.(?:log|error|warn|info|debug|verbose)\(\s*\`([\s\S]*?)\`/g;
+    while ((match = templateRegex.exec(content)) !== null) {
+        if (/[\u4e00-\u9fa5]/.test(match[1])) {
+            translationMap[match[1]] = "";
+        }
+    }
+});
+
+fs.writeFileSync('translation_map.json', JSON.stringify(translationMap, null, 2));
+console.log('Extracted ' + Object.keys(translationMap).length + ' distinct strings.');