Introduce follower, add tests

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/eventos_web/controllers/follower_controller.ex

@@ -0,0 +1,43 @@
+defmodule EventosWeb.FollowerController do
+  use EventosWeb, :controller
+
+  alias Eventos.Actors
+  alias Eventos.Actors.Follower
+
+  action_fallback(EventosWeb.FallbackController)
+
+  def index(conn, _params) do
+    followers = Actors.list_followers()
+    render(conn, "index.json", followers: followers)
+  end
+
+  def create(conn, %{"follower" => follower_params}) do
+    with {:ok, %Follower{} = follower} <- Actors.create_follower(follower_params) do
+      conn
+      |> put_status(:created)
+      |> put_resp_header("location", follower_path(conn, :show, follower))
+      |> render("show.json", follower: follower)
+    end
+  end
+
+  def show(conn, %{"id" => id}) do
+    follower = Actors.get_follower!(id)
+    render(conn, "show.json", follower: follower)
+  end
+
+  def update(conn, %{"id" => id, "follower" => follower_params}) do
+    follower = Actors.get_follower!(id)
+
+    with {:ok, %Follower{} = follower} <- Actors.update_follower(follower, follower_params) do
+      render(conn, "show.json", follower: follower)
+    end
+  end
+
+  def delete(conn, %{"id" => id}) do
+    follower = Actors.get_follower!(id)
+
+    with {:ok, %Follower{}} <- Actors.delete_follower(follower) do
+      send_resp(conn, :no_content, "")
+    end
+  end
+end