[IMP] fs_attachment: send the mimetype information for S3

fs_attachment/models/ir_attachment.py

@@ -237,7 +237,9 @@ def _get_datas_related_values(self, data, mimetype):
  "db_datas": data,
  }
  return values
- return super()._get_datas_related_values(data, mimetype)
+ return super(
+ IrAttachment, self.with_context(mimetype=mimetype)
+ )._get_datas_related_values(data, mimetype)
 
  ###########################################################
  # Odoo methods that we override to use the object storage #
@@ -377,6 +379,14 @@ def _storage_file_read(self, fname: str) -> bytes | None:
  )
  return b""
 
+ def _storage_write_option(self, fs):
+ _fs = fs
+ while _fs:
+ if hasattr(_fs, "s3"):
+ return {"ContentType": self._context["mimetype"]}
+ _fs = getattr(_fs, "fs", None)
+ return {}
+
  @api.model
  def _storage_file_write(self, bin_data: bytes) -> str:
  """Write the file to the filesystem storage"""
@@ -387,7 +397,8 @@ def _storage_file_write(self, bin_data: bytes) -> str:
  if not fs.exists(dirname):
  fs.makedirs(dirname)
  fname = f"{storage}://{path}"
- with fs.open(path, "wb") as f:
+ kwargs = self._storage_write_option(fs)
+ with fs.open(path, "wb", **kwargs) as f:
  f.write(bin_data)
  self._fs_mark_for_gc(fname)
  return fname