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defmodule ChirpWeb.PostLive.Index do
use ChirpWeb, :live_view
alias Chirp.Timeline
alias Chirp.Timeline.Post
@impl true
def mount(_params, _session, socket) do
if connected?(socket), do: Timeline.subscribe()
{:ok, assign(socket, :posts, list_posts()), temporary_assigns: [posts: []]}
end
@impl true
def handle_params(params, _url, socket) do
{:noreply, apply_action(socket, socket.assigns.live_action, params)}
end
defp apply_action(socket, :edit, %{"id" => id}) do
socket
|> assign(:page_title, "Edit Post")
|> assign(:post, Timeline.get_post!(id))
end
defp apply_action(socket, :new, _params) do
socket
|> assign(:page_title, "New Post")
|> assign(:post, %Post{})
end
defp apply_action(socket, :index, _params) do
socket
|> assign(:page_title, "Listing Posts")
|> assign(:post, nil)
end
def handle_info({:post_created,post}, socket) do
{:noreply, update(socket, :posts, fn posts-> [post|posts] end)}
end
def handle_info({:post_updated,post}, socket) do
{:noreply, update(socket, :posts, fn posts-> [post|posts] end)}
end
defp list_posts do
Timeline.list_posts()
end
end