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accounts.ex
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accounts.ex
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defmodule Hello.Accounts do
@moduledoc """
The Accounts context.
"""
import Ecto.Query, warn: false
alias Hello.Repo
alias Hello.Accounts.{User, Credential}
def authenticate_by_email_password(email, _password) do
query =
from u in User,
inner_join: c in assoc(u, :credential),
where: c.email == ^email
case Repo.one(query) do
%User{} = user -> {:ok, user}
nil -> {:error, :unauthorized}
end
end
@doc """
Returns the list of users.
## Examples
iex> list_users()
[%User{}, ...]
"""
def list_users do
User
|> Repo.all()
|> Repo.preload(:credential)
end
@doc """
Gets a single user.
Raises `Ecto.NoResultsError` if the User does not exist.
## Examples
iex> get_user!(123)
%User{}
iex> get_user!(456)
** (Ecto.NoResultsError)
"""
def get_user!(id) do
User
|> Repo.get!(id)
|> Repo.preload(:credential)
end
@doc """
Creates a user.
## Examples
iex> create_user(%{field: value})
{:ok, %User{}}
iex> create_user(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_user(attrs \\ %{}) do
%User{}
|> User.changeset(attrs)
|> Ecto.Changeset.cast_assoc(:credential, with: &Credential.changeset/2)
|> Repo.insert()
end
@doc """
Updates a user.
## Examples
iex> update_user(user, %{field: new_value})
{:ok, %User{}}
iex> update_user(user, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_user(%User{} = user, attrs) do
user
|> User.changeset(attrs)
|> Ecto.Changeset.cast_assoc(:credential, with: &Credential.changeset/2)
|> Repo.update()
end
@doc """
Deletes a User.
## Examples
iex> delete_user(user)
{:ok, %User{}}
iex> delete_user(user)
{:error, %Ecto.Changeset{}}
"""
def delete_user(%User{} = user) do
Repo.delete(user)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking user changes.
## Examples
iex> change_user(user)
%Ecto.Changeset{source: %User{}}
"""
def change_user(%User{} = user) do
User.changeset(user, %{})
end
@doc """
Returns the list of credential.
## Examples
iex> list_credential()
[%Credential{}, ...]
"""
def list_credential do
Repo.all(Credential)
end
@doc """
Gets a single credential.
Raises `Ecto.NoResultsError` if the Credential does not exist.
## Examples
iex> get_credential!(123)
%Credential{}
iex> get_credential!(456)
** (Ecto.NoResultsError)
"""
def get_credential!(id), do: Repo.get!(Credential, id)
@doc """
Creates a credential.
## Examples
iex> create_credential(%{field: value})
{:ok, %Credential{}}
iex> create_credential(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_credential(attrs \\ %{}) do
%Credential{}
|> Credential.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a credential.
## Examples
iex> update_credential(credential, %{field: new_value})
{:ok, %Credential{}}
iex> update_credential(credential, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_credential(%Credential{} = credential, attrs) do
credential
|> Credential.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a Credential.
## Examples
iex> delete_credential(credential)
{:ok, %Credential{}}
iex> delete_credential(credential)
{:error, %Ecto.Changeset{}}
"""
def delete_credential(%Credential{} = credential) do
Repo.delete(credential)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking credential changes.
## Examples
iex> change_credential(credential)
%Ecto.Changeset{source: %Credential{}}
"""
def change_credential(%Credential{} = credential) do
Credential.changeset(credential, %{})
end
end