Previous Level exams were being broken by the part divider changes, fixed it.

src/components/Solutions/FillBlanks.tsx

@@ -17,6 +17,7 @@ export default function FillBlanksSolutions({
 	onBack,
 }: FillBlanksExercise & CommonProps) {
 	const storeUserSolutions = useExamStore((state) => state.userSolutions);
+	const {questionIndex, setQuestionIndex, partIndex, exam} = useExamStore((state) => state);
 
 	const correctUserSolutions = storeUserSolutions.find(
 		(solution) => solution.exercise === id
@@ -201,7 +202,14 @@ export default function FillBlanksSolutions({
 					color="purple"
 					variant="outline"
 					onClick={() => onBack({ exercise: id, solutions: correctUserSolutions!, score: calculateScore(), type })}
-					className="max-w-[200px] w-full">
+					className="max-w-[200px] w-full"
+					disabled={
+						exam &&
+						typeof partIndex !== "undefined" &&
+						exam.module === "level" &&
+						questionIndex === 0 &&
+						partIndex === 0
+					}>
 					Back
 				</Button>
 

src/components/Solutions/MatchSentences.tsx

@@ -8,6 +8,7 @@ import Icon from "@mdi/react";
 import {Fragment} from "react";
 import Button from "../Low/Button";
 import Xarrow from "react-xarrows";
+import useExamStore from "@/stores/examStore";
 
 function QuestionSolutionArea({
 	question,
@@ -61,6 +62,8 @@ export default function MatchSentencesSolutions({
 	onNext,
 	onBack,
 }: MatchSentencesExercise & CommonProps) {
+	const {questionIndex, setQuestionIndex, partIndex, exam} = useExamStore((state) => state);
+	
 	const calculateScore = () => {
 		const total = sentences.length;
 		const correct = userSolutions.filter(
@@ -112,7 +115,14 @@ export default function MatchSentencesSolutions({
 					color="purple"
 					variant="outline"
 					onClick={() => onBack({exercise: id, solutions: userSolutions, score: calculateScore(), type})}
-					className="max-w-[200px] w-full">
+					className="max-w-[200px] w-full"
+					disabled={
+						exam &&
+						typeof partIndex !== "undefined" &&
+						exam.module === "level" &&
+						questionIndex === 0 &&
+						partIndex === 0
+					}>
 					Back
 				</Button>
 

src/components/Solutions/MultipleChoice.tsx

@@ -164,7 +164,6 @@ export default function MultipleChoice({id, type, prompt, questions, userSolutio
 						exam &&
 						typeof partIndex !== "undefined" &&
 						exam.module === "level" &&
-						typeof exam.parts[0].intro === "string" &&
 						questionIndex === 0 &&
 						partIndex === 0
 					}>

src/components/Solutions/TrueFalse.tsx

@@ -4,10 +4,13 @@ import reactStringReplace from "react-string-replace";
 import {CommonProps} from ".";
 import {Fragment} from "react";
 import Button from "../Low/Button";
+import useExamStore from "@/stores/examStore";
 
 type Solution = "true" | "false" | "not_given";
 
 export default function TrueFalseSolution({prompt, type, id, questions, userSolutions, onNext, onBack}: TrueFalseExercise & CommonProps) {
+	const {questionIndex, setQuestionIndex, partIndex, exam} = useExamStore((state) => state);
+	
 	const calculateScore = () => {
 		const total = questions.length || 0;
 		const correct = userSolutions.filter(
@@ -121,7 +124,14 @@ export default function TrueFalseSolution({prompt, type, id, questions, userSolu
 					color="purple"
 					variant="outline"
 					onClick={() => onBack({exercise: id, solutions: userSolutions, score: calculateScore(), type})}
-					className="max-w-[200px] w-full">
+					className="max-w-[200px] w-full"
+					disabled={
+						exam &&
+						typeof partIndex !== "undefined" &&
+						exam.module === "level" &&
+						questionIndex === 0 &&
+						partIndex === 0
+					}>
 					Back
 				</Button>
 

src/components/Solutions/WriteBlanks.tsx

@@ -8,6 +8,7 @@ import reactStringReplace from "react-string-replace";
 import {CommonProps} from ".";
 import {toast} from "react-toastify";
 import Button from "../Low/Button";
+import useExamStore from "@/stores/examStore";
 
 function Blank({
 	id,
@@ -71,6 +72,8 @@ export default function WriteBlanksSolutions({
 	onNext,
 	onBack,
 }: WriteBlanksExercise & CommonProps) {
+	const {questionIndex, setQuestionIndex, partIndex, exam} = useExamStore((state) => state);
+
 	const calculateScore = () => {
 		const total = text.match(/({{\d+}})/g)?.length || 0;
 		const correct = userSolutions.filter(
@@ -142,7 +145,14 @@ export default function WriteBlanksSolutions({
 					color="purple"
 					variant="outline"
 					onClick={() => onBack({exercise: id, solutions: userSolutions, score: calculateScore(), type})}
-					className="max-w-[200px] w-full">
+					className="max-w-[200px] w-full"
+					disabled={
+						exam &&
+						typeof partIndex !== "undefined" &&
+						exam.module === "level" &&
+						questionIndex === 0 &&
+						partIndex === 0
+					}>
 					Back
 				</Button>