fix: update

Project/Backend/Server_Node/controllers/marksCalculator.controller.js

 import { exec } from "child_process";
+import fs from "fs";
 
 export const marksCalculator = async (req, res) => {
     try {
@@ -53,3 +54,75 @@ export const marksCalculator = async (req, res) => {
         res.status(500).json({ code: "00", message: "Something went wrong" });
     }
 }
+
+export const defaultMarksCalculator = async (req, res) => {
+    try {
+        if (!req.files || !req.files.original_image || !req.files.user_input_image) {
+            return res.status(400).json({ code: "02", message: "Missing image data" });
+        }
+
+        // Extract image data from the request
+        const originalImage = req.files.original_image[0].buffer.toString('base64');
+        const userInputImage = req.files.user_input_image[0].buffer.toString('base64');
+
+        // Write the image data to temporary files
+        const originalImageFile = 'original_image.jpeg';
+        const userInputImageFile = 'user_input_image.jpeg';
+
+        fs.writeFileSync(originalImageFile, originalImage, 'base64');
+        fs.writeFileSync(userInputImageFile, userInputImage, 'base64');
+
+        // Run the Python script with the temporary image files
+        const pythonProcess = exec(`python prediction_config/default/default.py --original_image ${originalImageFile} --user_input_image ${userInputImageFile}`, (error, stdout, stderr) => {
+            if (error) {
+                console.error(error);
+                return res.status(500).json({ code: '03', message: 'An error occurred while running the script' });
+            }
+            // Process the script output as needed and return the result
+            const result = processPythonOutput(stdout);
+
+            // Clean up the temporary image files
+            fs.unlinkSync(originalImageFile);
+            fs.unlinkSync(userInputImageFile);
+
+            res.status(200).json(result);
+        });
+    } catch (error) {
+        console.error(error);
+        res.status(500).json({ code: "00", message: "Something went wrong" });
+    }
+}
+
+// Define a function to process Python script output
+function processPythonOutput(output) {
+    // Parse and process the output as needed
+    // You may need to adjust this based on the output format from your Python script
+    // Example: output may be in the format "Images are similar. Similarity: 70.00%"
+    const similarityPercentage = parseFloat(output.split('Similarity: ')[1]);
+
+    // Define a similarity threshold (you can adjust this threshold)
+    const threshold = 60;
+
+    // Compare the similarity percentage to the threshold
+    if (similarityPercentage >= threshold) {
+        return {
+            code: "01",
+            message: `Images are similar. Similarity: ${similarityPercentage.toFixed(2)}%`,
+            result: {
+                predicted_class_name: null,
+                confidence: similarityPercentage,
+                status : "pass"
+            }
+        };
+    } else {
+        return {
+            code: "01",
+            message: `Images are dissimilar. Similarity: ${similarityPercentage.toFixed(2)}%`,
+            result: {
+                predicted_class_name : null,
+                confidence: similarityPercentage,
+                status : "fail"
+            }
+        };
+    }
+}
\ No newline at end of file

Project/Backend/Server_Node/routes/marksCalculator.routes.js

 import express from "express";
 import multer from "multer";
-import { marksCalculator } from "../controllers/marksCalculator.controller.js";
+import { defaultMarksCalculator, marksCalculator } from "../controllers/marksCalculator.controller.js";
 
 // Set up storage for uploaded images
 const storage = multer.memoryStorage();
@@ -9,5 +9,7 @@ const upload = multer({ storage: storage });
 const router = express.Router();
 
 router.post('/curriculum/:curriculumIndex/tutorial/:tutorialIndex', upload.single('image'), marksCalculator)
+router.post('/default', upload.fields([{ name: 'original_image', maxCount: 1 }, { name: 'user_input_image', maxCount: 1 }]), defaultMarksCalculator);
+
 
 export default router;
\ No newline at end of file