philomena/lib/philomena/roles.ex
2019-08-28 13:34:36 -04:00

104 lines
1.6 KiB
Elixir

defmodule Philomena.Roles do
@moduledoc """
The Roles context.
"""
import Ecto.Query, warn: false
alias Philomena.Repo
alias Philomena.Roles.Role
@doc """
Returns the list of roles.
## Examples
iex> list_roles()
[%Role{}, ...]
"""
def list_roles do
Repo.all(Role)
end
@doc """
Gets a single role.
Raises `Ecto.NoResultsError` if the Role does not exist.
## Examples
iex> get_role!(123)
%Role{}
iex> get_role!(456)
** (Ecto.NoResultsError)
"""
def get_role!(id), do: Repo.get!(Role, id)
@doc """
Creates a role.
## Examples
iex> create_role(%{field: value})
{:ok, %Role{}}
iex> create_role(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_role(attrs \\ %{}) do
%Role{}
|> Role.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a role.
## Examples
iex> update_role(role, %{field: new_value})
{:ok, %Role{}}
iex> update_role(role, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_role(%Role{} = role, attrs) do
role
|> Role.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a Role.
## Examples
iex> delete_role(role)
{:ok, %Role{}}
iex> delete_role(role)
{:error, %Ecto.Changeset{}}
"""
def delete_role(%Role{} = role) do
Repo.delete(role)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking role changes.
## Examples
iex> change_role(role)
%Ecto.Changeset{source: %Role{}}
"""
def change_role(%Role{} = role) do
Role.changeset(role, %{})
end
end