Added checks for unique email, contact & usernames

when updating profile information

app/api/patient/update-profile/personal/route.ts

@@ -10,21 +10,64 @@ type PersonalInfoBody = {
   contact?: string;
 };
 
-export default async function PUT(req: Request) {
-  const email = "[email protected]";
+export async function PUT(req: Request) {
+  const currentEmail = "[email protected]";
 
   const updateData: PersonalInfoBody = await req.json();
 
-  // Remove undefined fields
+  // remove undefined fields
   Object.keys(updateData).forEach((key) => {
     if (updateData[key as keyof PersonalInfoBody] === undefined) {
       delete updateData[key as keyof PersonalInfoBody];
     }
   });
 
   try {
+    // check for uniqueness of username, email, and contact
+    if (updateData.username) {
+      const existingUsername = await Patient.findOne({
+        username: updateData.username,
+        email: { $ne: currentEmail },
+      });
+      if (existingUsername) {
+        return Response.json(
+          { error: "Username already exists" },
+          { status: 400 }
+        );
+      }
+    }
+
+    if (updateData.email) {
+      const existingEmail = await Patient.findOne({
+        email: updateData.email,
+        _id: {
+          $ne: await Patient.findOne({ email: currentEmail }).select("_id"),
+        },
+      });
+      if (existingEmail) {
+        return Response.json(
+          { error: "Email already exists" },
+          { status: 400 }
+        );
+      }
+    }
+
+    if (updateData.contact) {
+      const existingContact = await Patient.findOne({
+        contact: updateData.contact,
+        email: { $ne: currentEmail },
+      });
+      if (existingContact) {
+        return Response.json(
+          { error: "Contact number already exists" },
+          { status: 400 }
+        );
+      }
+    }
+
+    //  update the patient
     const updatedPatient = await Patient.findOneAndUpdate(
-      { email },
+      { email: currentEmail },
       { $set: updateData },
       { new: true }
     );
@@ -33,8 +76,15 @@ export default async function PUT(req: Request) {
       return Response.json({ error: "Patient not found" }, { status: 404 });
     }
 
-    return Response.json({ msg: "ok" }, { status: 200 });
+    return Response.json(
+      { msg: "Profile updated successfully" },
+      { status: 200 }
+    );
   } catch (error) {
-    return Response.json({ error: "Error updating address" }, { status: 500 });
+    console.error("Error updating patient information:", error);
+    return Response.json(
+      { error: "Failed to update personal information" },
+      { status: 500 }
+    );
   }
 }