made the endpoint, works with manual tests

src/app.ts

@@ -15,6 +15,7 @@ app.get("/", (_, res) => {
 
 app.get("/images", imageController.getAllImages);
 app.get("/images/:id", imageController.getImageById);
+app.put("/images/:id", imageController.editImage)
 app.post("/images", authControler.authorize, imageController.addImage);
 app.post("/login", authControler.login);
 

src/controllers/ImageController.ts

@@ -1,8 +1,37 @@
 import { Request, Response } from "express";
 import imageService from "../services/ImageService";
 import mongoose, { mongo } from "mongoose";
+import { Image } from "../models/ImageModel";
 
 class ImageController {
+  async editImage(req: Request, res: Response) {
+    try {
+      const change: Image = req.body;
+      const result = await imageService.replaceOne(req.params.id, change);
+      if (result.matchedCount > 0) {
+        res.status(204).json();
+      } else {
+        res.status(404).json({ error: "Image not found" });
+      }
+    } catch (error: any) {
+      if (error instanceof mongoose.Error.CastError) {
+        res.status(400).json({ error: "Invalid Id" });
+      } else if (
+        error instanceof mongo.MongoServerError &&
+        error.code === 11000
+      ) {
+        // Should return 409 Conflict for existing urls
+        res.status(409).json({
+          error: `the image with URL ${error.keyValue.url} already exists`,
+        });
+      } else if (error instanceof mongoose.Error.ValidationError) {
+        // Should return 400 Bad request for invalid requests
+        res.status(400).json({ error: error.message });
+      } else {
+        res.status(500).json({ error: "Internal Server Error" });
+      }
+    }
+  }
   async getImageById(req: Request, res: Response) {
     try {
       const image = await imageService.findById(req.params.id);

src/services/ImageService.ts

@@ -1,6 +1,10 @@
 import imageModel, { Image } from "../models/ImageModel";
 
 class ImageService {
+  async replaceOne(id: string, newimage: Image) {
+    const image = await imageModel.updateOne({ _id: id }, newimage);
+    return image;
+  }
   async findById(id: string) {
     const image = await imageModel.findOne({ _id: id });
     return image;