threadr.lostcave.ddnss.de/handlers/file.go

33 lines
665 B
Go

package handlers
import (
"fmt"
"net/http"
"path/filepath"
"strconv"
"threadr/models"
)
func FileHandler(app *App) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
fileIDStr := r.URL.Query().Get("id")
fileID, err := strconv.ParseInt(fileIDStr, 10, 64)
if err != nil {
http.NotFound(w, r)
return
}
file, err := models.GetFileByID(app.DB, fileID)
if err != nil || file == nil {
http.NotFound(w, r)
return
}
fileExt := filepath.Ext(file.OriginalName)
fileName := fmt.Sprintf("%d%s", fileID, fileExt)
filePath := filepath.Join(app.Config.FileStorageDir, fileName)
http.ServeFile(w, r, filePath)
}
}