feat: add fetch code

src_code/go_src/cmd/utils/fetch_util.go

@@ -1,8 +1,65 @@
 package utils
 
 import (
+	"fmt"
+	"io"
+	"net/http"
+	"os"
 )
 
 func Fetch_AuthorFile(url string) {
+	authrFileName := "authors"
+
+	configDir, err := os.UserConfigDir()
+
+	configDir = configDir + "/cocommit"
+
+	fmt.Println("Would you like to place the author file in the default location? (%s) (y/n)", configDir)
+	fmt.Println("WARNING: this will override the current author file if one is present in that directory with the name 'authors'")
+	var response string
+	_, err = fmt.Scanln(&response)
+	if err != nil {
+		fmt.Println("Error reading response")
+	}
+	
+	var filepath string
+
+	switch response {
+	case "y", "Y", "yes", "Yes":
+		filepath = configDir + "/" + authrFileName
+	case "n", "N", "no", "No":
+		fmt.Println("Please enter the path where you would like to save the author file")
+		_, err = fmt.Scanln(&response)
+		if err != nil {
+			fmt.Println("Error reading response")
+		}
+		filepath = response + "/" + authrFileName 
+	}
+
+	os.Remove(filepath)
+
+	// Fetch the author file from the given URL
+	// Create the file
+	out, err := os.Create(filepath)
+	if err != nil  {
+		fmt.Println("Error creating file: ", err)
+		return
+	}
+	defer out.Close()
+
+	// Get the data
+	resp, err := http.Get(url)
+	if err != nil {
+		fmt.Println("Error fetching file: ", err)
+		return
+	}
+	defer resp.Body.Close()
+
+	// Writer the body to file
+	_, err = io.Copy(out, resp.Body)
+	if err != nil  {
+		fmt.Println("Error writing file: ", err)
+		return
+	}
 
 }