Checks if attachment(s) exists (works for has_one_attached and has_many_attached).

Examples

iex> attached?(user, "avatar")
true

Returns an %Ecto.Changeset{} for tracking storage_blob changes.

Examples

iex> change_storage_blob(storage_blob)
%Ecto.Changeset{data: %Blob{}}

Creates a storage_blob.

Examples

iex> create_storage_blob(%{field: value})
{:ok, %Blob{}}

iex> create_storage_blob(%{field: bad_value})
{:error, %Ecto.Changeset{}}

Deletes a storage_blob.

Examples

iex> delete_storage_blob(storage_blob)
{:ok, %Blob{}}

iex> delete_storage_blob(storage_blob)
{:error, %Ecto.Changeset{}}

Gets a record's attachment.

Returns nil if attachment doesn't exist.

Examples

iex> get_attachment(user, "avatar")
%ActiveStorage.Attachment{}

Gets a single storage_blob.

Raises Ecto.NoResultsError if the Storage blob does not exist.

Examples

iex> get_storage_blob!(123)
%Blob{}

iex> get_storage_blob!(456)
** (Ecto.NoResultsError)

Returns the list of storage_blob.

Examples

iex> list_storage_blob()
[%Blob{}, ...]

Updates a storage_blob.

Examples

iex> update_storage_blob(storage_blob, %{field: new_value})
{:ok, %Blob{}}

iex> update_storage_blob(storage_blob, %{field: bad_value})
{:error, %Ecto.Changeset{}}