add download, fix empty apicontext, add url to describe

upd/api/handlers.go

@@ -25,6 +25,7 @@ import (
 
 	"os"
 	"path/filepath"
+	"strings"
 	"time"
 )
 
@@ -260,6 +261,10 @@ func Describe(c *fiber.Ctx, cfg *cfg.Config, db *Db) error {
 			"No upload with that id could be found!")
 	}
 
+	for _, upload := range uploads.Entries {
+		upload.Url = strings.Join([]string{cfg.Url, "download", id, upload.File}, "/")
+	}
+
 	// if we reached this point we can signal success
 	uploads.Success = true
 	uploads.Code = fiber.StatusOK