Update

lib/nulla_web/controllers/api/activity_controller.ex

@@ -0,0 +1,43 @@
+defmodule NullaWeb.Api.ActivityController do
+  use NullaWeb, :controller
+
+  alias Nulla.Activities
+  alias Nulla.Activities.Activity
+
+  action_fallback NullaWeb.FallbackController
+
+  def index(conn, _params) do
+    activities = Activities.list_activities()
+    render(conn, :index, activities: activities)
+  end
+
+  def create(conn, %{"activity" => activity_params}) do
+    with {:ok, %Activity{} = activity} <- Activities.create_activity(activity_params) do
+      conn
+      |> put_status(:created)
+      |> put_resp_header("location", ~p"/api/activities/#{activity}")
+      |> render(:show, activity: activity)
+    end
+  end
+
+  def show(conn, %{"id" => id}) do
+    activity = Activities.get_activity!(id)
+    render(conn, :show, activity: activity)
+  end
+
+  def update(conn, %{"id" => id, "activity" => activity_params}) do
+    activity = Activities.get_activity!(id)
+
+    with {:ok, %Activity{} = activity} <- Activities.update_activity(activity, activity_params) do
+      render(conn, :show, activity: activity)
+    end
+  end
+
+  def delete(conn, %{"id" => id}) do
+    activity = Activities.get_activity!(id)
+
+    with {:ok, %Activity{}} <- Activities.delete_activity(activity) do
+      send_resp(conn, :no_content, "")
+    end
+  end
+end