lecture 06

lectures/06/counter/lib/counter_web/controllers/counter_controller.ex

@@ -0,0 +1,18 @@
+defmodule CounterWeb.CounterController do
+  use CounterWeb, :controller
+
+  def new(conn, %{"name" => name}) do
+	Counter.DynamicSupervisor.start_worker(name)
+	render(conn, :new)
+  end
+
+  def value(conn, %{"name" => name}) do
+	value = Counter.Worker.value(name)
+	render(conn, :value, value: value)
+  end
+
+  def inc(conn, %{"name" => name, "amt" => amt}) when is_integer(amt) do
+	Counter.Worker.inc(name, amt)
+	render(conn, :inc)
+  end
+end

lectures/06/counter/lib/counter_web/controllers/counter_json.ex

@@ -0,0 +1,13 @@
+defmodule CounterWeb.CounterJSON do
+  def value(assigns) do
+	%{value: assigns.value}
+  end
+
+  def new(_assigns) do
+	%{status: "ok"}
+  end
+
+  def inc(_assigns) do
+	%{status: "ok"}
+  end
+end

lectures/06/counter/lib/counter_web/controllers/error_json.ex

@@ -0,0 +1,21 @@
+defmodule CounterWeb.ErrorJSON do
+  @moduledoc """
+  This module is invoked by your endpoint in case of errors on JSON requests.
+
+  See config/config.exs.
+  """
+
+  # If you want to customize a particular status code,
+  # you may add your own clauses, such as:
+  #
+  # def render("500.json", _assigns) do
+  #   %{errors: %{detail: "Internal Server Error"}}
+  # end
+
+  # By default, Phoenix returns the status message from
+  # the template name. For example, "404.json" becomes
+  # "Not Found".
+  def render(template, _assigns) do
+    %{errors: %{detail: Phoenix.Controller.status_message_from_template(template)}}
+  end
+end