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phoenix_kit

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A foundation for building Elixir Phoenix apps — SaaS, social networks, ERP systems, marketplaces, and more

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phoenix_kit lib phoenix_kit_web live settings_live.ex
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lib/phoenix_kit_web/live/settings_live.ex

defmodule PhoenixKitWeb.Live.SettingsLive do
use PhoenixKitWeb, :live_view
alias PhoenixKit.Utils.Date, as: UtilsDate
alias PhoenixKit.Settings
# Embedded schema for form validation
defmodule SettingsForm do
use Ecto.Schema
import Ecto.Changeset
@primary_key false
embedded_schema do
field :time_zone, :string
field :date_format, :string
field :time_format, :string
end
def changeset(form, attrs) do
form
|> cast(attrs, [:time_zone, :date_format, :time_format])
|> validate_required([:time_zone, :date_format, :time_format])
end
end
def mount(_params, session, socket) do
# Get current path for navigation
current_path = get_current_path(socket, session)
# Load current settings from database
current_settings = Settings.list_all_settings()
defaults = Settings.get_defaults()
setting_options = Settings.get_setting_options()
# Merge defaults with current settings to ensure all keys exist
merged_settings = Map.merge(defaults, current_settings)
# Create form changeset
changeset = create_settings_changeset(merged_settings)
socket =
socket
|> assign(:current_path, current_path)
|> assign(:page_title, "Settings")
|> assign(:settings, merged_settings)
# Track saved values separately
|> assign(:saved_settings, merged_settings)
|> assign(:setting_options, setting_options)
|> assign(:changeset, changeset)
|> assign(:saving, false)
{:ok, socket}
end
def handle_event("validate_settings", %{"settings" => settings_params}, socket) do
# Update the changeset with new values for validation
changeset = create_settings_changeset(settings_params) |> Map.put(:action, :validate)
# Update the current settings to reflect the pending changes (but don't save to DB)
socket =
socket
|> assign(:settings, settings_params)
|> assign(:changeset, changeset)
{:noreply, socket}
end
def handle_event("save_settings", %{"settings" => settings_params}, socket) do
socket = assign(socket, :saving, true)
case update_all_settings(settings_params) do
{:ok, updated_settings} ->
# Update socket with new settings
changeset = create_settings_changeset(updated_settings)
socket =
socket
|> assign(:settings, updated_settings)
# Update saved values
|> assign(:saved_settings, updated_settings)
|> assign(:changeset, changeset)
|> assign(:saving, false)
|> put_flash(:info, "Settings updated successfully")
{:noreply, socket}
{:error, errors} ->
error_msg = format_error_message(errors)
socket =
socket
|> assign(:saving, false)
|> put_flash(:error, error_msg)
{:noreply, socket}
end
end
defp get_current_path(_socket, _session) do
# For SettingsLive, always return settings path
"/phoenix_kit/admin/settings"
end
# Create a changeset for form validation
defp create_settings_changeset(settings) do
# Convert string keys to atoms for the embedded schema
attrs = atomize_keys(settings)
# Create the form struct with current values
form_data = struct(SettingsForm, attrs)
# Create changeset
SettingsForm.changeset(form_data, attrs)
end
# Helper to convert string keys to atoms for changeset
defp atomize_keys(map) when is_map(map) do
Map.new(map, fn {k, v} -> {String.to_atom(k), v} end)
end
# Update all settings in the database
defp update_all_settings(settings_params) do
updated_settings =
Enum.reduce(settings_params, %{}, fn {key, value}, acc ->
case Settings.update_setting(key, value) do
{:ok, _setting} -> Map.put(acc, key, value)
{:error, _changeset} -> acc
end
end)
if map_size(updated_settings) == map_size(settings_params) do
{:ok, updated_settings}
else
{:error, ["Some settings failed to update"]}
end
end
# Format error messages for display
defp format_error_message(errors) when is_list(errors) do
errors
|> List.first()
|> to_string()
end
# Helper functions for template to show dropdown labels
def get_timezone_label(value, setting_options) do
Settings.get_timezone_label(value, setting_options)
end
def get_option_label(value, options) do
Settings.get_option_label(value, options)
end
# Helper functions for template to show current format examples
def get_current_date_example(format) do
UtilsDate.format_date(Date.utc_today(), format)
end
def get_current_time_example(format) do
UtilsDate.format_time(Time.utc_now(), format)
end
end