From 4bfe6cb867002cba5007828b1ebfc2aa42acc4be Mon Sep 17 00:00:00 2001
From: Konstanty Fara <konstanty.fara20@gmail.com>
Date: Sun, 19 Apr 2026 11:16:59 +0200
Subject: [PATCH 1/3] Fixed error message handling in api/grade/route.ts

---
 app/api/grades/route.ts | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/app/api/grades/route.ts b/app/api/grades/route.ts
index b9da63d..4235cca 100644
--- a/app/api/grades/route.ts
+++ b/app/api/grades/route.ts
@@ -48,7 +48,7 @@ export async function GET(req: NextRequest) {
     return NextResponse.json(grades)
   } catch (error) {
     console.error('GET /api/grades error:', error instanceof Error ? error.message : error)
-    return NextResponse.json({ error: error instanceof Error ? error.stack : 'Internal server error' }, { status: 500 })
+    return NextResponse.json({ error:'Internal server error' }, { status: 500 })
   }
 }
 
@@ -67,13 +67,13 @@ export async function POST(req: NextRequest) {
     }
     
     const parsed = GradeSchema.safeParse(body)
-    if (!parsed.success) return NextResponse.json({ error: parsed.error.flatten() }, { status: 400 })
+    if (!parsed.success) return NextResponse.json({ error: parsed.error }, { status: 400 })
 
     const data = parsed.data
     const max = data.maxMarks!
-    const term = data.term ?? 'Term 1'
-    
-    const grade = Grade.findOneAndUpdate(
+    const term = data.term ?? 'Term 1'    
+
+    const grade = await Grade.findOneAndUpdate(
       { teacherId: userId, studentId: data.studentId, subject: data.subject, term },
       { $set: { ...data, term, teacherId: userId, grade: calcGrade(data.marks, max) } },
       { upsert: true, new: true }
@@ -83,6 +83,6 @@ export async function POST(req: NextRequest) {
     if (error instanceof Error) {
       console.error('POST /api/grades error:', error.message)
     }
-    return NextResponse.json({ error: error instanceof Error ? error.stack : 'Internal server error' }, { status: 500 })
+    return NextResponse.json({ error: 'Internal server error' }, { status: 500 })
   }
 }

From 8c1b1d88d0838d673a1008986298f54b39baf00c Mon Sep 17 00:00:00 2001
From: Konstanty Fara <konstanty.fara20@gmail.com>
Date: Sun, 19 Apr 2026 12:03:39 +0200
Subject: [PATCH 2/3] Fixed average score by Subject function

---
 app/dashboard/grades/GradesClient.tsx | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/app/dashboard/grades/GradesClient.tsx b/app/dashboard/grades/GradesClient.tsx
index fdaa00b..78e1e29 100644
--- a/app/dashboard/grades/GradesClient.tsx
+++ b/app/dashboard/grades/GradesClient.tsx
@@ -208,13 +208,14 @@ export function GradesClient() {
     () =>
       subjects.map((subject) => {
         const sg = gradesBySubject[subject];
-        const avg =
+        let avg =
           sg.length > 0
-            ? Math.round(
-                sg.reduce((s, g) => s + pct(g.marks, g.maxMarks), 0) /
-                  sg.length,
-              )
-            : 0;
+            ? 
+            sg.reduce((s, g) => s + pct(g.marks, g.maxMarks), 0) / sg.length
+            : 0
+
+        avg = Number(avg.toFixed(2));
+        
         return {
           subject: subject.length > 10 ? subject.slice(0, 10) + "…" : subject,
           avg,

From 12b0bc489b18f8f38a652546a7940fd2a0b37c82 Mon Sep 17 00:00:00 2001
From: Konstanty Fara <konstanty.fara20@gmail.com>
Date: Sun, 19 Apr 2026 12:17:16 +0200
Subject: [PATCH 3/3] Fixed Profile API request bug

---
 app/api/profile/route.ts | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/app/api/profile/route.ts b/app/api/profile/route.ts
index a3d98bf..7c474ca 100644
--- a/app/api/profile/route.ts
+++ b/app/api/profile/route.ts
@@ -7,32 +7,40 @@ export async function GET(req: NextRequest) {
   const { searchParams } = new URL(req.url)
   const queryUserId = searchParams.get('userId')
 
-  let userId: string | null = queryUserId
+  // 1. Identificazione utente
+  const session = await auth()
+  const userId = queryUserId || session?.userId
+
   if (!userId) {
-    const session = await auth()
-    userId = session.userId
+    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
   }
-  if (!userId) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
 
   try {
     await connectDB()
+  
     let teacher = await Teacher.findOne({ clerkId: userId }).lean()
 
     if (!teacher) {
       const clerkUser = await currentUser()
-      const created = await Teacher.create({
+      
+      if (!clerkUser) {
+        return NextResponse.json({ error: 'User data not found' }, { status: 404 })
+      }
+
+      const newTeacher = await Teacher.create({
         clerkId: userId,
-        name: clerkUser?.fullName ?? '',
-        email: clerkUser?.emailAddresses[0]?.emailAddress ?? '',
+        name: `${clerkUser.firstName ?? ''} ${clerkUser.lastName ?? ''}`.trim() || 'Anonymous',
+        email: clerkUser.emailAddresses[0]?.emailAddress ?? '',
         department: '',
         subjects: [],
       })
-      teacher = created.toObject()
+      
+      teacher = JSON.parse(JSON.stringify(newTeacher))
     }
 
     return NextResponse.json(teacher)
   } catch (error) {
-    console.error('GET /api/profile error:', error instanceof Error ? error.message : error)
+    console.error('GET /api/profile error:', error)
     return NextResponse.json({ error: 'Internal server error' }, { status: 500 })
   }
 }