<%= post.content %>
{DateTime.truncate(post.inserted_at, :second)}
See more examples below:
* [`examples/demo_live.exs`]
* [`examples/demo_live_test.exs`]
* [`examples/demo_controller.exs`]
* [`examples/demo_controller_test.exs`]
* [`examples/demo_plug.exs`]
* [`examples/demo_router.exs`]
* [`examples/demo_hooks.exs`]
* [`examples/demo_endpoint.exs`]
* [`examples/demo_live_pubsub.exs`]
## License
Copyright (c) 2024 Wojtek Mach
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at [http://www.apache.org/licenses/LICENSE-2.0](http://www.apache.org/licenses/LICENSE-2.0)
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
[`examples/demo_live.exs`]: examples/demo_live.exs
[`examples/demo_live_test.exs`]: examples/demo_live_test.exs
[`examples/demo_controller.exs`]: examples/demo_controller.exs
[`examples/demo_controller_test.exs`]: examples/demo_controller_test.exs
[`examples/demo_plug.exs`]: examples/demo_plug.exs
[`examples/demo_router.exs`]: examples/demo_router.exs
[`examples/demo_hooks.exs`]: examples/demo_hooks.exs
[`examples/demo_endpoint.exs`]: examples/demo_endpoint.exs
[`examples/demo_live_pubsub.exs`]: examples/demo_live_pubsub.exs
================================================
FILE: examples/demo_controller.exs
================================================
#!/usr/bin/env elixir
Mix.install([
{:phoenix_playground, "~> 0.1.8"}
])
defmodule DemoController do
use Phoenix.Controller, formats: [:html]
use Phoenix.Component
plug :put_layout, false
plug :put_view, __MODULE__
def index(conn, params) do
count =
case Integer.parse(params["count"] || "") do
{n, ""} -> n
_ -> 0
end
render(conn, :index, count: count)
end
def index(assigns) do
~H"""
{@count}
"""
end
end
PhoenixPlayground.start(controller: DemoController)
================================================
FILE: examples/demo_controller_test.exs
================================================
#!/usr/bin/env elixir
Mix.install([
{:phoenix_playground, "~> 0.1.8"}
])
defmodule DemoController do
use Phoenix.Controller, formats: [:html]
use Phoenix.Component
plug :put_layout, false
plug :put_view, __MODULE__
def index(conn, params) do
count =
case Integer.parse(params["count"] || "") do
{n, ""} -> n
_ -> 0
end
render(conn, :index, count: count)
end
def index(assigns) do
~H"""
Count: {@count}
"""
end
end
Logger.configure(level: :warning)
ExUnit.start()
defmodule DemoControllerTest do
use ExUnit.Case
use PhoenixPlayground.Test, controller: DemoController
test "it works" do
conn = get(build_conn(), "/")
assert html_response(conn, 200) =~ "Count: 0"
conn = get(build_conn(), "/?count=1")
assert html_response(conn, 200) =~ "Count: 1"
end
end
================================================
FILE: examples/demo_endpoint.exs
================================================
#!/usr/bin/env elixir
Mix.install([
{:phoenix_playground, "~> 0.1.8"}
])
defmodule DemoLive do
use Phoenix.LiveView
def mount(_params, _session, socket) do
{:ok, assign(socket, count: 0)}
end
def render(assigns) do
~H"""
Count: {@count}
"""
end
def handle_event("inc", _params, socket) do
{:noreply, update(socket, :count, &(&1 + 1))}
end
end
defmodule Demo.Router do
use Phoenix.Router
import Phoenix.LiveView.Router
pipeline :browser do
plug :put_root_layout, html: {PhoenixPlayground.Layout, :root}
end
scope "/" do
pipe_through :browser
live "/", DemoLive
end
end
defmodule Demo.Endpoint do
use Phoenix.Endpoint, otp_app: :phoenix_playground
plug Plug.Logger
socket "/live", Phoenix.LiveView.Socket
plug Plug.Static, from: {:phoenix, "priv/static"}, at: "/assets/phoenix"
plug Plug.Static, from: {:phoenix_live_view, "priv/static"}, at: "/assets/phoenix_live_view"
socket "/phoenix/live_reload/socket", Phoenix.LiveReloader.Socket
plug Phoenix.LiveReloader
plug Phoenix.CodeReloader, reloader: &PhoenixPlayground.CodeReloader.reload/2
plug Demo.Router
end
PhoenixPlayground.start(endpoint: Demo.Endpoint)
================================================
FILE: examples/demo_hooks.exs
================================================
#!/usr/bin/env elixir
Mix.install([
{:phoenix_playground, "~> 0.1.8"}
])
defmodule DemoHooks do
use Phoenix.LiveView
def mount(_params, _session, socket) do
{:ok, socket}
end
def render(assigns) do
~H"""
LiveView
"""
end
end
PhoenixPlayground.start(live: DemoHooks)
================================================
FILE: examples/demo_live.exs
================================================
#!/usr/bin/env elixir
Mix.install([
{:phoenix_playground, "~> 0.1.8"}
])
defmodule DemoLive do
use Phoenix.LiveView
def mount(_params, _session, socket) do
{:ok, assign(socket, count: 0)}
end
def render(assigns) do
~H"""
{@count}
"""
end
def handle_event("inc", _params, socket) do
{:noreply, assign(socket, count: socket.assigns.count + 1)}
end
end
PhoenixPlayground.start(live: DemoLive)
================================================
FILE: examples/demo_live.livemd
================================================
# Demo
```elixir
Mix.install([
{:phoenix_playground, "~> 0.1.8"}
])
```
## Section
```elixir
defmodule DemoLive do
use Phoenix.LiveView
def mount(_params, _session, socket) do
{:ok, assign(socket, count: 0)}
end
def render(assigns) do
~H"""
{@count}
"""
end
def handle_event("inc", _params, socket) do
{:noreply, assign(socket, count: socket.assigns.count + 1)}
end
end
PhoenixPlayground.start(live: DemoLive)
```
================================================
FILE: examples/demo_live_pubsub.exs
================================================
Mix.install([
{:phoenix_playground, "~> 0.1.8"}
])
defmodule TimelineLive do
use Phoenix.LiveView
@topic "timeline"
def mount(_params, _session, socket) do
if connected?(socket) do
Phoenix.PubSub.subscribe(PhoenixPlayground.PubSub, @topic)
end
socket =
socket
|> assign(temporary_assigns: [form: nil])
|> stream(:posts, [])
|> assign(:form, to_form(%{"content" => ""}))
{:ok, socket}
end
def handle_event("create_post", %{"content" => content}, socket) do
post = %{
id: System.unique_integer([:positive]),
content: content,
inserted_at: DateTime.utc_now()
}
Phoenix.PubSub.broadcast(PhoenixPlayground.PubSub, @topic, {:new_post, post})
{:noreply,
socket
|> assign(:form, to_form(%{"content" => ""}))}
end
def handle_event("delete_post", %{"dom_id" => dom_id}, socket) do
Phoenix.PubSub.broadcast(PhoenixPlayground.PubSub, @topic, {:delete_post, dom_id})
{:noreply, socket}
end
def handle_info({:new_post, post}, socket) do
{:noreply, stream_insert(socket, :posts, post, at: 0)}
end
def handle_info({:delete_post, dom_id}, socket) do
{:noreply, stream_delete_by_dom_id(socket, :posts, dom_id)}
end
def render(assigns) do
~H"""
<%= post.content %>
{DateTime.truncate(post.inserted_at, :second)}