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