105 lines
1.6 KiB
Elixir
105 lines
1.6 KiB
Elixir
defmodule Demo.Accounts do
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@moduledoc """
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The Accounts context.
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"""
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import Ecto.Query, warn: false
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alias Demo.Repo
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alias Demo.Accounts.User
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@doc """
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Returns the list of users.
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## Examples
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iex> list_users()
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[%User{}, ...]
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"""
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def list_users do
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Repo.all(User)
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end
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@doc """
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Gets a single user.
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Raises `Ecto.NoResultsError` if the User does not exist.
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## Examples
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iex> get_user!(123)
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%User{}
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iex> get_user!(456)
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** (Ecto.NoResultsError)
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"""
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def get_user!(id), do: Repo.get!(User, id)
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@doc """
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Creates a user.
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## Examples
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iex> create_user(%{field: value})
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{:ok, %User{}}
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iex> create_user(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def create_user(attrs \\ %{}) do
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%User{}
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|> User.changeset(attrs)
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|> Repo.insert()
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end
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@doc """
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Updates a user.
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## Examples
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iex> update_user(user, %{field: new_value})
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{:ok, %User{}}
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iex> update_user(user, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def update_user(%User{} = user, attrs) do
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user
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|> User.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a user.
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## Examples
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iex> delete_user(user)
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{:ok, %User{}}
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iex> delete_user(user)
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{:error, %Ecto.Changeset{}}
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"""
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def delete_user(%User{} = user) do
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Repo.delete(user)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking user changes.
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## Examples
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iex> change_user(user)
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%Ecto.Changeset{data: %User{}}
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"""
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def change_user(%User{} = user, attrs \\ %{}) do
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User.changeset(user, attrs)
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end
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end
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