Files
fitra-backend/endpoints/upload.go
2025-08-07 22:08:48 +02:00

83 lines
1.7 KiB
Go

package endpoints
import (
"crypto/rand"
"encoding/hex"
"io"
"mime/multipart"
"net/http"
"os"
"path/filepath"
"github.com/gin-gonic/gin"
)
func generateID() (string, error) {
bytes := make([]byte, 16)
if _, err := rand.Read(bytes); err != nil {
return "", err
}
return hex.EncodeToString(bytes), nil
}
func HandleFileUpload(c *gin.Context) {
file, header, err := c.Request.FormFile("file")
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "No file provided"})
return
}
defer func(file multipart.File) {
err := file.Close()
if err != nil {
}
}(file)
fileID, err := generateID()
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate file ID"})
return
}
uploadsDir := "./uploads"
fileDir := filepath.Join(uploadsDir, fileID)
if err := os.MkdirAll(fileDir, 0755); err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create file directory"})
return
}
dst := filepath.Join(fileDir, header.Filename)
out, err := os.Create(dst)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create file"})
return
}
defer func(out *os.File) {
err := out.Close()
if err != nil {
}
}(out)
_, err = io.Copy(out, file)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to save file"})
return
}
baseURL := os.Getenv("BASE_URL")
if baseURL == "" {
baseURL = "http://localhost:8080"
}
fileURL := baseURL + "/files/" + fileID + "/" + header.Filename
c.JSON(http.StatusOK, gin.H{
"message": "File uploaded successfully",
"id": fileID,
"filename": header.Filename,
"size": header.Size,
"url": fileURL,
})
}