From 2e4d61d587114fe2b34b4fb16d8b0de09ec87b3b Mon Sep 17 00:00:00 2001
From: Inhji <johnnie@posteo.de>
Date: Mon, 24 Jul 2023 18:39:39 +0200
Subject: [PATCH] WIP: micropub update note

---
 lib/chiya_web/indie/micropub.ex         | 29 ++++++++++++++++++++++++-
 lib/chiya_web/indie/micropub_handler.ex | 10 +++++++--
 test/chiya_web/indie/micropub_test.exs  |  9 ++++++++
 3 files changed, 45 insertions(+), 3 deletions(-)

diff --git a/lib/chiya_web/indie/micropub.ex b/lib/chiya_web/indie/micropub.ex
index d5e1b31..35a7834 100644
--- a/lib/chiya_web/indie/micropub.ex
+++ b/lib/chiya_web/indie/micropub.ex
@@ -11,8 +11,8 @@ defmodule ChiyaWeb.Indie.Micropub do
     with {:ok, note_attrs} <- get_attrs(type, properties, channel_id),
          {:ok, note} <- Chiya.Notes.create_note(note_attrs) do
       create_photos(note, properties)
-      Logger.info("Note created!")
 
+      Logger.info("Note created!")
       {:ok, :created, Chiya.Notes.Note.note_url(note)}
     else
       error ->
@@ -23,6 +23,33 @@ defmodule ChiyaWeb.Indie.Micropub do
     end
   end
 
+  def find_note(note_url) do
+    slug = Chiya.Notes.Note.note_slug(note_url)
+    Chiya.Notes.get_note_preloaded_by_slug(slug)
+  end
+
+  def update_note(note, replace, add, _delete) do
+    settings = Chiya.Site.get_settings()
+    channel_id = settings.micropub_channel_id
+
+    properties =
+      %{}
+      |> Enum.into(replace)
+      |> Enum.into(add)
+
+    with {:ok, note_attrs} <- get_attrs("entry", properties, channel_id),
+         {:ok, note} <- Chiya.Notes.update_note(note, note_attrs) do
+      Logger.info("Note updated!")
+      {:ok, note}
+    else
+      error ->
+        Logger.error("Error occurred while creating note from micropub:")
+        Logger.error(inspect(error))
+
+        {:error, :invalid_request}
+    end
+  end
+
   defp create_photos(note, properties) do
     properties
     |> Props.get_photos()
diff --git a/lib/chiya_web/indie/micropub_handler.ex b/lib/chiya_web/indie/micropub_handler.ex
index 477f402..548cf46 100644
--- a/lib/chiya_web/indie/micropub_handler.ex
+++ b/lib/chiya_web/indie/micropub_handler.ex
@@ -41,8 +41,14 @@ defmodule ChiyaWeb.Indie.MicropubHandler do
   end
 
   @impl true
-  def handle_update(_, _, _, _, _) do
-    {:error, :insufficient_scope}
+  def handle_update(url, replace, add, delete, access_token) do
+    with :ok <- Micropub.verify_token(access_token),
+         {:ok, note} <- Micropub.find_note(url),
+         {:ok, note} <- Micropub.update_note(note, replace, add, delete) do
+      :ok
+    else
+      error -> error
+    end
   end
 
   @impl true
diff --git a/test/chiya_web/indie/micropub_test.exs b/test/chiya_web/indie/micropub_test.exs
index bba5199..93c1d9b 100644
--- a/test/chiya_web/indie/micropub_test.exs
+++ b/test/chiya_web/indie/micropub_test.exs
@@ -4,6 +4,7 @@ defmodule ChiyaWeb.MicropubTest do
   alias ChiyaWeb.Indie.Micropub
   alias Chiya.Notes.Note
   alias Chiya.Channels.Channel
+  import Chiya.NoteFixtures
 
   @valid_props %{
     "content" => ["this is a test"]
@@ -22,6 +23,14 @@ defmodule ChiyaWeb.MicropubTest do
     end
   end
 
+  describe "update_note" do
+    test "updates a note" do
+      note = note_fixture()
+
+      assert :ok = Micropub.update_note(note, %{"content" => ["replaced content"]})
+    end
+  end
+
   setup do
     {:ok, channel} =
       Chiya.Channels.create_channel(%{