Added the capability for users to resume their previously stopped sessions

src/stores/examStore.ts

@@ -16,6 +16,7 @@ export interface ExamState {
 	exam?: Exam;
 	partIndex: number;
 	exerciseIndex: number;
+	questionIndex: number;
 }
 
 export interface ExamFunctions {
@@ -24,13 +25,14 @@ export interface ExamFunctions {
 	setShowSolutions: (showSolutions: boolean) => void;
 	setHasExamEnded: (hasExamEnded: boolean) => void;
 	setSelectedModules: (modules: Module[]) => void;
-	setAssignment: (assignment: Assignment) => void;
+	setAssignment: (assignment?: Assignment) => void;
 	setTimeSpent: (timeSpent: number) => void;
 	setSessionId: (sessionId: string) => void;
 	setModuleIndex: (moduleIndex: number) => void;
 	setExam: (exam?: Exam) => void;
 	setPartIndex: (partIndex: number) => void;
 	setExerciseIndex: (exerciseIndex: number) => void;
+	setQuestionIndex: (questionIndex: number) => void;
 	reset: () => void;
 }
 
@@ -46,7 +48,8 @@ export const initialState: ExamState = {
 	exam: undefined,
 	moduleIndex: 0,
 	partIndex: 0,
-	exerciseIndex: 0,
+	exerciseIndex: -1,
+	questionIndex: 0,
 };
 
 const useExamStore = create<ExamState & ExamFunctions>((set) => ({
@@ -57,13 +60,14 @@ const useExamStore = create<ExamState & ExamFunctions>((set) => ({
 	setShowSolutions: (showSolutions: boolean) => set(() => ({showSolutions})),
 	setSelectedModules: (modules: Module[]) => set(() => ({selectedModules: modules})),
 	setHasExamEnded: (hasExamEnded: boolean) => set(() => ({hasExamEnded})),
-	setAssignment: (assignment: Assignment) => set(() => ({assignment})),
+	setAssignment: (assignment?: Assignment) => set(() => ({assignment})),
 	setTimeSpent: (timeSpent) => set(() => ({timeSpent})),
 	setSessionId: (sessionId: string) => set(() => ({sessionId})),
 	setExam: (exam?: Exam) => set(() => ({exam})),
 	setModuleIndex: (moduleIndex: number) => set(() => ({moduleIndex})),
 	setPartIndex: (partIndex: number) => set(() => ({partIndex})),
 	setExerciseIndex: (exerciseIndex: number) => set(() => ({exerciseIndex})),
+	setQuestionIndex: (questionIndex: number) => set(() => ({questionIndex})),
 
 	reset: () => set(() => initialState),
 }));