Exam generation rework, batch user tables, fastapi endpoint switch

src/components/ExamEditor/Exercises/MatchSentences/validation.ts

@@ -0,0 +1,42 @@
+import { AlertItem } from "../Shared/Alert";
+
+const validateMatchSentences = (
+    sentences: {id: string; sentence: string; solution: string;}[],
+    setAlerts: React.Dispatch<React.SetStateAction<AlertItem[]>>
+): boolean => {
+    let hasErrors = false;
+    
+    const emptySentences = sentences.filter(s => !s.sentence.trim());
+    if (emptySentences.length > 0) {
+        hasErrors = true;
+        setAlerts(prev => {
+            const filteredAlerts = prev.filter(alert => !alert.tag?.startsWith('empty-sentence'));
+            return [...filteredAlerts, ...emptySentences.map(s => ({
+                variant: "error" as const,
+                tag: `empty-sentence-${s.id}`,
+                description: `Heading ${s.id} is empty`
+            }))];
+        });
+    } else {
+        setAlerts(prev => prev.filter(alert => !alert.tag?.startsWith('empty-sentence')));
+    }
+
+    const unmatchedSentences = sentences.filter(s => !s.solution);
+    if (unmatchedSentences.length > 0) {
+        hasErrors = true;
+        setAlerts(prev => {
+            const filteredAlerts = prev.filter(alert => !alert.tag?.startsWith('unmatched-sentence'));
+            return [...filteredAlerts, ...unmatchedSentences.map(s => ({
+                variant: "error" as const,
+                tag: `unmatched-sentence-${s.id}`,
+                description: `Heading ${s.id} has no paragraph selected`
+            }))];
+        });
+    } else {
+        setAlerts(prev => prev.filter(alert => !alert.tag?.startsWith('unmatched-sentence')));
+    }
+
+    return !hasErrors;
+};
+
+export default validateMatchSentences;