Refactor media upload

Use Upload Media logic from Pleroma

Backend changes for picture upload

Move AS <-> Model conversion to separate module

Front changes

Downgrade apollo-client: https://github.com/Akryum/vue-apollo/issues/577

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

lib/mobilizon_web/uploaders/local.ex

@@ -0,0 +1,40 @@
+# Portions of this file are derived from Pleroma:
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/lib/pleroma/uploaders/local.ex
+
+defmodule MobilizonWeb.Uploaders.Local do
+  @moduledoc """
+  Local uploader for files
+  """
+  @behaviour MobilizonWeb.Uploaders.Uploader
+
+  def get_file(_) do
+    {:ok, {:static_dir, upload_path()}}
+  end
+
+  def put_file(upload) do
+    {local_path, file} =
+      case Enum.reverse(String.split(upload.path, "/", trim: true)) do
+        [file] ->
+          {upload_path(), file}
+
+        [file | folders] ->
+          path = Path.join([upload_path()] ++ Enum.reverse(folders))
+          File.mkdir_p!(path)
+          {path, file}
+      end
+
+    result_file = Path.join(local_path, file)
+
+    unless File.exists?(result_file) do
+      File.cp!(upload.tempfile, result_file)
+    end
+
+    :ok
+  end
+
+  def upload_path do
+    Mobilizon.CommonConfig.get!([__MODULE__, :uploads])
+  end
+end