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defmodule DaProductAppWeb.BaseLive do |
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@moduledoc """ |
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Base LiveView module with common functionality for all LiveViews. |
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Handles authentication, role checking, and common assigns. |
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""" |
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defmacro __using__(_opts) do |
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quote do |
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use DaProductAppWeb, :live_view |
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alias DaProductApp.Accounts |
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alias DaProductAppWeb.MenuManager |
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@impl true |
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def mount(_params, session, socket) do |
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case get_current_user(session) do |
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nil -> |
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{:ok, redirect(socket, to: ~p"/login")} |
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user -> |
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if has_access?(user) do |
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socket = |
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socket |
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|> assign(:current_user, user) |
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|> assign(:menu_items, MenuManager.get_menu_items(user)) |
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|> assign(:page_title, get_page_title()) |
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{:ok, mount_with_user(socket, user)} |
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else |
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{:ok, |
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socket |
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|> put_flash(:error, "Access denied") |
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|> redirect(to: ~p"/dashboard")} |
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end |
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end |
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end |
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# Override this in individual LiveViews |
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def mount_with_user(socket, _user), do: socket |
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def has_access?(_user), do: true |
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def get_page_title(), do: "Dashboard" |
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defoverridable mount_with_user: 2, has_access?: 1, get_page_title: 0 |
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defp get_current_user(session) do |
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case session do |
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%{"user_id" => user_id} when is_binary(user_id) or is_integer(user_id) -> |
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Accounts.get_user!(user_id) |
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_ -> |
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nil |
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end |
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rescue |
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_ -> nil |
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end |
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end |
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end |
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end |