mobilizon/lib/mobilizon_web/email/user.ex

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defmodule MobilizonWeb.Email.User do
@moduledoc """
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Handles emails sent to users.
"""
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use Bamboo.Phoenix, view: MobilizonWeb.EmailView
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import Bamboo.Phoenix
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import MobilizonWeb.Gettext
alias Mobilizon.{Config, Crypto, Users}
alias Mobilizon.Storage.Repo
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alias Mobilizon.Users.User
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alias MobilizonWeb.Email
require Logger
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@spec confirmation_email(User.t(), String.t()) :: Bamboo.Email.t()
def confirmation_email(
%User{email: email, confirmation_token: confirmation_token},
locale \\ "en"
) do
MobilizonWeb.Gettext.put_locale(locale)
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subject =
gettext(
"Instructions to confirm your Mobilizon account on %{instance}",
instance: Config.instance_name()
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)
Email.base_email(to: email, subject: subject)
|> assign(:locale, locale)
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|> assign(:token, confirmation_token)
|> assign(:subject, subject)
|> render(:registration_confirmation)
end
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@spec reset_password_email(User.t(), String.t()) :: Bamboo.Email.t()
def reset_password_email(
%User{email: email, reset_password_token: reset_password_token},
locale \\ "en"
) do
MobilizonWeb.Gettext.put_locale(locale)
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subject =
gettext(
"Instructions to reset your password on %{instance}",
instance: Config.instance_name()
)
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Email.base_email(to: email, subject: subject)
|> assign(:locale, locale)
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|> assign(:token, reset_password_token)
|> assign(:subject, subject)
|> render(:password_reset)
end
def check_confirmation_token(token) when is_binary(token) do
with %User{} = user <- Users.get_user_by_activation_token(token),
{:ok, %User{} = user} <-
Users.update_user(user, %{
"confirmed_at" => DateTime.utc_now() |> DateTime.truncate(:second),
"confirmation_sent_at" => nil,
"confirmation_token" => nil
}) do
Logger.info("User #{user.email} has been confirmed")
{:ok, user}
else
_err ->
{:error, :invalid_token}
end
end
def resend_confirmation_email(%User{} = user, locale \\ "en") do
with :ok <- we_can_send_email(user, :confirmation_sent_at),
{:ok, user} <-
Users.update_user(user, %{
"confirmation_sent_at" => DateTime.utc_now() |> DateTime.truncate(:second)
}) do
send_confirmation_email(user, locale)
Logger.info("Sent confirmation email again to #{user.email}")
{:ok, user.email}
end
end
def send_confirmation_email(%User{} = user, locale \\ "en") do
user
|> Email.User.confirmation_email(locale)
|> Email.Mailer.deliver_later()
end
@doc """
Check that the provided token is correct and update provided password
"""
@spec check_reset_password_token(String.t(), String.t()) :: tuple
def check_reset_password_token(password, token) do
with %User{} = user <- Users.get_user_by_reset_password_token(token),
{:ok, %User{} = user} <-
Repo.update(
User.password_reset_changeset(user, %{
"password" => password,
"reset_password_sent_at" => nil,
"reset_password_token" => nil
})
) do
{:ok, user}
else
{:error, %Ecto.Changeset{errors: [password: {"registration.error.password_too_short", _}]}} ->
{:error,
"The password you have choosen is too short. Please make sure your password contains at least 6 charaters."}
_err ->
{:error,
"The token you provided is invalid. Make sure that the URL is exactly the one provided inside the email you got."}
end
end
@doc """
Send the email reset password, if it's not too soon since the last send
"""
@spec send_password_reset_email(User.t(), String.t()) :: tuple
def send_password_reset_email(%User{} = user, locale \\ "en") do
with :ok <- we_can_send_email(user, :reset_password_sent_at),
{:ok, %User{} = user_updated} <-
Repo.update(
User.send_password_reset_changeset(user, %{
"reset_password_token" => Crypto.random_string(30),
"reset_password_sent_at" => DateTime.utc_now() |> DateTime.truncate(:second)
})
) do
mail =
user_updated
|> Email.User.reset_password_email(locale)
|> Email.Mailer.deliver_later()
{:ok, mail}
else
{:error, reason} -> {:error, reason}
end
end
@spec we_can_send_email(User.t(), atom) :: :ok | {:error, :email_too_soon}
defp we_can_send_email(%User{} = user, key) do
case Map.get(user, key) do
nil ->
:ok
_ ->
case Timex.before?(
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Timex.shift(Map.get(user, key), hours: 1),
DateTime.utc_now() |> DateTime.truncate(:second)
) do
true ->
:ok
false ->
{:error, :email_too_soon}
end
end
end
end