update

backend/recommondation.go

@@ -1,43 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"math"
-)
-
-func cosine(x, y []int) float64 {
-	var dotProduct, normX, normY float64
-	for i := 1; i < len(x); i++ {
-		dotProduct += float64(x[i] * y[i])
-		normX += float64(x[i] * x[i])
-		normY += float64(y[i] * y[i])
-	}
-	return dotProduct / (math.Sqrt(normX) * math.Sqrt(normY))
-}
-
-func main() {
-	history := [][]int{
-		{1, 0, 1, 0},
-		{0, 1, 0, 1},
-		{1, 0, 1, 1},
-	}
-
-	productCategory := [][]int{
-		{1, 1, 0, 0},
-		{0, 0, 0, 1},
-		{0, 0, 1, 0},
-		{0, 0, 1, 1},
-		{0, 1, 0, 0},
-
-		{0, 1, 1, 1},
-		{1, 1, 1, 0},
-		{0, 0, 0, 1},
-		{1, 1, 1, 1},
-	}
-
-	// Calculate similarity between first search and each product
-	for i, product := range productCategory {
-		sim := cosine(history[0], product)
-		fmt.Printf("Similarity with product %d: %f\n", i, sim)
-	}
-}

backend/utils/database.js

@@ -5,7 +5,6 @@ const pool = mysql.createPool({
   host: "localhost",
   user: "root",
   database: "marketplace",
-  password: "12345678",
 });
 
 //Export a promise for promise-based query