Update pages/Reports.tsx

pages/Reports.tsx

@@ -32,30 +32,31 @@ export const Reports: React.FC = () => {
         // 1. Class Averages
         // Group students by class
         const classMap: Record<string, string[]> = {}; // ClassName -> [StudentNos]
-        studentData.forEach(s => {
+        studentData.forEach((s: Student) => {
           if (!classMap[s.className]) classMap[s.className] = [];
           classMap[s.className].push(s.studentNo);
         });
 
         // Calculate avg score for each class (aggregated across all subjects)
-        const cData = classData.map(cls => {
+        const cData = classData.map((cls: ClassInfo) => {
            const fullClassName = cls.grade + cls.className;
            const studentNos = classMap[fullClassName] || [];
            // Find scores for these students
-           const classScores = scoreData.filter(s => studentNos.includes(s.studentNo));
-           const total = classScores.reduce((sum, s) => sum + s.score, 0);
+           const classScores = scoreData.filter((s: Score) => studentNos.includes(s.studentNo));
+           const total = classScores.reduce((sum: number, s: Score) => sum + s.score, 0);
            const avg = classScores.length > 0 ? Math.round(total / classScores.length) : 0;
            return { name: fullClassName, avg };
         });
         setClassAvgData(cData);
 
         // 2. Subject Averages
-        const subjects = Array.from(new Set(scoreData.map(s => s.courseName)));
-        const sData = subjects.map(subj => {
-           const subjScores = scoreData.filter(s => s.courseName === subj);
-           const total = subjScores.reduce((sum, s) => sum + s.score, 0);
+        const subjects = Array.from(new Set(scoreData.map((s: Score) => s.courseName)));
+        const sData = subjects.map((subj: any) => {
+           const subjectName = String(subj);
+           const subjScores = scoreData.filter((s: Score) => s.courseName === subjectName);
+           const total = subjScores.reduce((sum: number, s: Score) => sum + s.score, 0);
            const avg = subjScores.length > 0 ? Math.round(total / subjScores.length) : 0;
-           return { name: subj, avg };
+           return { name: subjectName, avg };
         });
         setSubjectAvgData(sData);