added pprofile picture in user and writeen update function

src/controllers/userController.js

@@ -340,28 +340,21 @@ exports.uploadProfilePicture = async (req, reply) => {
   try {
     const customerId = req.params.customerId;
     const picture = new Buffer.from(req.body.picture, 'base64');
+    
+    let profilePicture = await ProfilePicture.findOne({ customerId });
 
-    const profilePicture = new ProfilePicture({ customerId, picture });
-    await profilePicture.save();
-
-    return { message: 'Profile picture uploaded successfully' };
-  } catch (error) {
-    reply.status(500).send({ error: error.message });
-  }
-};
-
-exports.updateProfilePicture = async (req, reply) => {
-  try {
-    const customerId = req.params.customerId;
-    const picture = new Buffer.from(req.body.picture, 'base64');
-
-    const profilePicture = await ProfilePicture.findOneAndUpdate({ customerId }, { picture }, { new: true });
     if (!profilePicture) {
-      reply.status(404).send({ error: 'Profile picture not found' });
-      return;
+      profilePicture = new ProfilePicture({
+        customerId,
+        picture,
+      });
+    } else {
+      profilePicture. picture = picture;
     }
 
-    return { message: 'Profile picture updated successfully' };
+    await profilePicture.save();
+
+    reply.send({ message: 'Profile picture uploaded successfully' });
   } catch (error) {
     reply.status(500).send({ error: error.message });
   }
@@ -370,3 +363,4 @@ exports.updateProfilePicture = async (req, reply) => {
 
 
 
+

src/models/User.js

@@ -113,7 +113,7 @@ const userSchema = new mongoose.Schema(
 
 const profilePictureSchema = new Schema({
   customerId: {
-    type: String,
+    type: String,unique: true,
     required: true
   },
   picture: {

src/routes/usersRoute.js

@@ -412,40 +412,7 @@ module.exports = function (fastify, opts, next) {
     },
     handler:  userController.uploadProfilePicture,
   });
-  fastify.route({
-    method: "POST",
-    url: "/api/users/update-profile-picture/:customerId",
-    schema: {
-      tags: ["User"],
-      description: "This is for updating profile picture.",
-      summary: "This is for updating profile picture.",
-      params: {
-        type: "object",
-        properties: {
-          customerId: {
-            type: "string",
-            description: "customerId",
-          },
-        },
-      },
-      body: {
-        type: "object",
-        required: ["picture"],
-        properties: {
-          picture: {
-            type: 'string'
-          }
-        },
-      },
-      security: [
-        {
-          basicAuth: [],
-        },
-      ],
-    },
-    handler:  userController.updateProfilePicture,
-  });
-
+