Creates a presentation_files.

examples

Examples

iex> create_presentation_file(%{field: value})
{:ok, %PresentationFile{}}

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

Creates a presentation_state.

examples

Examples

iex> create_presentation_state(%{field: value})
{:ok, %PresentationState{}}

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

Gets a single presentation_files.

Raises Ecto.NoResultsError if the Presentation files does not exist.

examples

Examples

iex> get_presentation_file!(123)
%PresentationFile{}

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

Updates a presentation_files.

examples

Examples

iex> update_presentation_file(presentation_file, %{field: new_value})
{:ok, %PresentationFile{}}

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

Updates a presentation_state.

examples

Examples

iex> update_presentation_state(presentation_state, %{field: new_value})
{:ok, %PresentationState{}}

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