memEx/lib/memex_web/live/context_live/show.ex
shibao 63d854ffbe
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Elixir

defmodule MemexWeb.ContextLive.Show do
use MemexWeb, :live_view
alias Memex.Contexts
@impl true
def mount(_params, _session, socket) do
{:ok, socket}
end
@impl true
def handle_params(
%{"slug" => slug},
_params,
%{assigns: %{live_action: live_action, current_user: current_user}} = socket
) do
context =
case Contexts.get_context_by_slug(slug, current_user) do
nil -> raise MemexWeb.NotFoundError, gettext("%{slug} could not be found", slug: slug)
context -> context
end
socket =
socket
|> assign(:page_title, page_title(live_action, context))
|> assign(:context, context)
{:noreply, socket}
end
@impl true
def handle_event(
"delete",
_params,
%{assigns: %{context: context, current_user: current_user}} = socket
) do
{:ok, %{slug: slug}} = Contexts.delete_context(context, current_user)
socket =
socket
|> put_flash(:info, gettext("%{slug} deleted", slug: slug))
|> push_navigate(to: ~p"/contexts")
{:noreply, socket}
end
defp page_title(:show, %{slug: slug}), do: slug
defp page_title(:edit, %{slug: slug}), do: gettext("edit %{slug}", slug: slug)
end