feat: init file trasnfer logic

cmd/root.go

@@ -10,7 +10,7 @@ import (
 )
 
 var shortenURL string
-var transferFile string
+var fileToTransfer string
 
 var rootCmd = &cobra.Command{
 	Use:   "jaro",
@@ -31,8 +31,8 @@ var rootCmd = &cobra.Command{
 			}
 			fmt.Printf("Your sweetened link: %s\n", shortened)
 			return
-		} else if transferFile != "" {
-			fmt.Printf("Transferring file: %s\n", transferFile)
+		} else if fileToTransfer != "" {
+			fmt.Printf("Transferring file: %s\n", fileToTransfer)
 			return
 		} else {
 			fmt.Println("Please provide a valid option. Run 'jaro --help' for more information.")
@@ -43,7 +43,7 @@ var rootCmd = &cobra.Command{
 
 func Execute() {
 	rootCmd.Flags().StringVarP(&shortenURL, "shorten", "s", "", "Link to shorten")
-	rootCmd.Flags().StringVarP(&transferFile, "transfer", "t", "", "File to transfer")
+	rootCmd.Flags().StringVarP(&fileToTransfer, "transfer", "t", "", "File to transfer")
 	if err := rootCmd.Execute(); err != nil {
 		fmt.Println(err)
 		os.Exit(1)

cmd/transfer.go

@@ -2,9 +2,69 @@ package cmd
 
 import (
 	"fmt"
+	"github.com/skip2/go-qrcode"
 	"github.com/spf13/cobra"
+	"io"
+	"net/http"
+	"os"
 )
 
+func transferFile(filePath string) {
+	file, err := os.Open(filePath)
+	if err != nil {
+		fmt.Printf("Error opening file: %v\n", err)
+		return
+	}
+	defer file.Close()
+
+	shortCode := generateShortCode(filePath)
+	shortURL := fmt.Sprintf("https://jaroli.me/%s", shortCode)
+
+	qr, err := qrcode.New(shortURL, qrcode.Medium)
+	if err != nil {
+		fmt.Printf("Error generating QR code: %v\n", err)
+		return
+	}
+
+	fmt.Printf("Your shareable file link is: %s\n", shortURL)
+	fmt.Println("QR Code for your link:")
+	fmt.Println(qr.ToSmallString(false))
+
+	go startFileServer(shortCode, file)
+}
+
+func startFileServer(shortCode string, file *os.File) {
+	http.HandleFunc("/"+shortCode, func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintf(w, "<h1>File Transfer</h1>")
+		fmt.Fprintf(w, "<p>Sender: %s</p>", "SenderName")
+		fmt.Fprintf(w, "<p>File: %s</p>", file.Name())
+		fmt.Fprintf(w, "<form method='POST' action='/accept/%s'><button type='submit'>Accept</button></form>", shortCode)
+	})
+
+	http.HandleFunc("/accept/"+shortCode, func(w http.ResponseWriter, r *http.Request) {
+		transferToRecipient(w, file)
+	})
+
+	http.ListenAndServe(":8080", nil)
+}
+
+func transferToRecipient(w http.ResponseWriter, file *os.File) {
+	w.Header().Set("Content-Disposition", "attachment; filename="+file.Name())
+	w.Header().Set("Content-Type", "application/octet-stream")
+
+	_, err := io.Copy(w, file)
+	if err != nil {
+		http.Error(w, "Error transferring file", http.StatusInternalServerError)
+		return
+	}
+
+	fmt.Fprintln(w, "File delivered successfully.")
+}
+
+func generateShortCode(filePath string) string {
+	return ""
+}
+
 var transferCmd = &cobra.Command{
 	Use:   "transfer",
 	Short: "Transfer a file",
@@ -13,10 +73,9 @@ var transferCmd = &cobra.Command{
 			fmt.Println("Please provide a file to transfer. Run 'jaro --help' for more information.")
 			return
 		}
-		file := args[0]
+		filePath := args[0]
 
-		// file transfer logic here
-		fmt.Printf("Transferring file: %s\n", file)
+		transferFile(filePath)
 	},
 }