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lib/nulla_web/controllers/media_attachment_controller.ex

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+defmodule NullaWeb.MediaAttachmentController do
+  use NullaWeb, :controller
+
+  alias Nulla.MediaAttachments
+  alias Nulla.MediaAttachments.MediaAttachment
+
+  action_fallback NullaWeb.FallbackController
+
+  def index(conn, _params) do
+    media_attachments = MediaAttachments.list_media_attachments()
+    render(conn, :index, media_attachments: media_attachments)
+  end
+
+  def create(conn, %{"media_attachment" => media_attachment_params}) do
+    with {:ok, %MediaAttachment{} = media_attachment} <-
+           MediaAttachments.create_media_attachment(media_attachment_params) do
+      conn
+      |> put_status(:created)
+      |> put_resp_header("location", ~p"/api/media_attachments/#{media_attachment}")
+      |> render(:show, media_attachment: media_attachment)
+    end
+  end
+
+  def show(conn, %{"id" => id}) do
+    media_attachment = MediaAttachments.get_media_attachment!(id)
+    render(conn, :show, media_attachment: media_attachment)
+  end
+
+  def update(conn, %{"id" => id, "media_attachment" => media_attachment_params}) do
+    media_attachment = MediaAttachments.get_media_attachment!(id)
+
+    with {:ok, %MediaAttachment{} = media_attachment} <-
+           MediaAttachments.update_media_attachment(media_attachment, media_attachment_params) do
+      render(conn, :show, media_attachment: media_attachment)
+    end
+  end
+
+  def delete(conn, %{"id" => id}) do
+    media_attachment = MediaAttachments.get_media_attachment!(id)
+
+    with {:ok, %MediaAttachment{}} <- MediaAttachments.delete_media_attachment(media_attachment) do
+      send_resp(conn, :no_content, "")
+    end
+  end
+end