defmodule BerrypodWeb.Admin.EmailSettings do
use BerrypodWeb, :live_view
alias Berrypod.Mailer
alias Berrypod.Mailer.Adapters
alias Berrypod.Settings
@impl true
def mount(_params, _session, socket) do
env_locked = Mailer.env_var_configured?()
{current_adapter, current_values} = Mailer.current_config()
saved_adapter = Settings.get_setting("email_adapter")
adapter_key = current_adapter || saved_adapter
{:ok,
socket
|> assign(:page_title, "Email settings")
|> assign(:env_locked, env_locked)
|> assign(:adapter_key, adapter_key)
|> assign(:current_values, current_values)
|> assign(:all_adapters, Adapters.all())
|> assign(:provider_options, provider_options())
|> assign(:email_configured, Mailer.email_configured?())
|> assign(
:from_address,
Settings.get_setting("email_from_address") || socket.assigns.current_scope.user.email
)
|> assign(:sending_test, false)
|> assign(:form, to_form(%{}, as: :email))}
end
defp provider_options do
Enum.map(Adapters.all(), fn adapter ->
%{
value: adapter.key,
name: adapter.name,
description: adapter.description,
tags: adapter.tags,
url: adapter.url
}
end)
end
@impl true
def handle_event("change_adapter", %{"email" => %{"adapter" => key}}, socket) do
{:noreply, assign(socket, :adapter_key, key)}
end
def handle_event("save", %{"email" => params}, socket) do
if socket.assigns.env_locked do
{:noreply, put_flash(socket, :error, "Email config is controlled by environment variables")}
else
adapter_key = params["adapter"]
adapter_info = Adapters.get(adapter_key)
if adapter_info do
save_adapter_config(socket, adapter_info, params)
else
{:noreply, put_flash(socket, :error, "Please select an email provider")}
end
end
end
def handle_event("disconnect", _params, socket) do
if socket.assigns.env_locked do
{:noreply, put_flash(socket, :error, "Email config is controlled by environment variables")}
else
# Clear all email settings
Settings.delete_setting("email_adapter")
for key <- Adapters.all_field_keys() do
Settings.delete_setting(key)
end
# Reset to Local adapter
Application.put_env(:berrypod, Mailer, adapter: Swoosh.Adapters.Local)
{:noreply,
socket
|> assign(:adapter_key, nil)
|> assign(:current_values, %{})
|> assign(:email_configured, false)
|> put_flash(:info, "Email provider disconnected")}
end
end
def handle_event("send_test", _params, socket) do
user = socket.assigns.current_scope.user
socket = assign(socket, :sending_test, true)
case Mailer.send_test_email(user.email, socket.assigns.from_address) do
{:ok, _} ->
{:noreply,
socket
|> assign(:sending_test, false)
|> put_flash(:info, "Test email sent to #{user.email}")}
{:error, reason} ->
{:noreply,
socket
|> assign(:sending_test, false)
|> put_flash(:error, "Failed to send test email: #{inspect(reason)}")}
end
end
defp save_adapter_config(socket, adapter_info, params) do
# Validate required fields
missing =
adapter_info.fields
|> Enum.filter(& &1.required)
|> Enum.filter(fn field ->
val = params[field.key]
empty = is_nil(val) or val == ""
# Secret fields can be left blank to keep existing value
empty and not (field.type == :secret and Settings.get_secret("email_#{field.key}") != nil)
end)
if missing != [] do
labels = Enum.map_join(missing, ", ", & &1.label)
{:noreply, put_flash(socket, :error, "Missing required fields: #{labels}")}
else
# Save adapter type
Settings.put_setting("email_adapter", adapter_info.key)
# Clear fields from other adapters
current_keys = MapSet.new(Enum.map(adapter_info.fields, &"email_#{&1.key}"))
for key <- Adapters.all_field_keys(), key not in current_keys do
Settings.delete_setting(key)
end
# Save current adapter fields (blank secrets keep existing value)
for field <- adapter_info.fields do
value = params[field.key]
settings_key = "email_#{field.key}"
cond do
value && value != "" ->
case field.type do
:secret -> Settings.put_secret(settings_key, value)
:integer -> Settings.put_setting(settings_key, String.to_integer(value), "integer")
_ -> Settings.put_setting(settings_key, value)
end
field.type == :secret ->
:keep
true ->
Settings.delete_setting(settings_key)
end
end
# Save from address
from_address = params["from_address"] || ""
if from_address != "" do
Settings.put_setting("email_from_address", from_address)
end
# Apply config immediately
Mailer.load_config()
# Re-read current state
{current_adapter, current_values} = Mailer.current_config()
{:noreply,
socket
|> assign(:adapter_key, current_adapter)
|> assign(:current_values, current_values)
|> assign(:from_address, from_address)
|> assign(:email_configured, Mailer.email_configured?())
|> put_flash(:info, "Email settings saved")}
end
end
@impl true
def render(assigns) do
~H"""
<.header>
Email settings
<:subtitle>
Configure how your shop sends email. Transactional
providers only handle order confirmations and password resets. All email
providers also support newsletters and marketing campaigns.
<%= if @env_locked do %>