UX improvements in data views

website/js/test-data.js

@@ -59,6 +59,80 @@ export function questionGermanLabel(q) {
     return '';
 }
 
+/** One symptom value from parent glass-scale JSON answer. */
+export function glassSymptomAnswerValue(raw, symptomKey) {
+    if (!raw || !symptomKey) return '';
+    try {
+        const o = JSON.parse(raw);
+        if (o && typeof o === 'object' && !Array.isArray(o)) {
+            const v = o[symptomKey];
+            return v != null ? String(v).trim() : '';
+        }
+    } catch {
+        /* ignore */
+    }
+    return '';
+}
+
+/**
+ * Flat result/export columns: glass_scale questions → one column per symptom.
+ */
+export function buildResultColumns(questions) {
+    const cols = [];
+    for (const q of questions || []) {
+        const cfg = parseQuestionConfig(q);
+        const symptoms = cfg.symptoms;
+        if (q.type === 'glass_scale_question' && Array.isArray(symptoms) && symptoms.length > 0) {
+            const parentKey = questionDisplayKey(q);
+            for (const sk of symptoms) {
+                const symptomKey = String(sk).trim();
+                if (!symptomKey) continue;
+                cols.push({
+                    key: `glass_${q.questionID}_${symptomKey}`,
+                    questionID: q.questionID,
+                    symptomKey,
+                    label: symptomKey,
+                    title: parentKey && parentKey !== symptomKey
+                        ? `${parentKey} · ${symptomKey}`
+                        : symptomKey,
+                    isGlassSymptom: true,
+                    question: q,
+                });
+            }
+            continue;
+        }
+        const label = questionDisplayKey(q);
+        cols.push({
+            key: `q_${q.questionID}`,
+            questionID: q.questionID,
+            symptomKey: null,
+            label,
+            title: questionGermanLabel(q) || label,
+            isGlassSymptom: false,
+            question: q,
+        });
+    }
+    return cols;
+}
+
+/** Display text for one results table cell. */
+export function resultColumnCellValue(col, answer, optionMap = {}) {
+    if (!answer) return null;
+    if (col.isGlassSymptom) {
+        const v = glassSymptomAnswerValue(answer.freeTextValue, col.symptomKey);
+        return v || null;
+    }
+    const q = col.question;
+    if (answer.answerOptionID && optionMap[answer.answerOptionID]) {
+        return optionMap[answer.answerOptionID];
+    }
+    if (answer.freeTextValue) return answer.freeTextValue;
+    if (answer.numericValue !== null && answer.numericValue !== undefined) {
+        return answer.numericValue;
+    }
+    return null;
+}
+
 /** header_order.json column id → question key (questionnaire_x-y → y). */
 export function headerColumnQuestionKey(headerId) {
     const id = String(headerId ?? '');