Migrations: Make them not fail for old databases

priv/repo/migrations/20190414125034_migrate_old_bookmarks.exs

@@ -17,7 +17,11 @@ def up do
     Repo.stream(query)
     |> Enum.each(fn %{id: user_id, bookmarks: bookmarks} ->
       Enum.each(bookmarks, fn ap_id ->
-        activity = Activity.get_create_by_object_ap_id(ap_id)
+        activity =
+          ap_id
+          |> Activity.create_by_object_ap_id()
+          |> Repo.one()
+
         unless is_nil(activity), do: {:ok, _} = Bookmark.create(user_id, activity.id)
       end)
     end)

priv/repo/migrations/20190710125158_add_following_address_from_source_data.exs

@@ -1,7 +1,8 @@
 defmodule Pleroma.Repo.Migrations.AddFollowingAddressFromSourceData do
-  use Ecto.Migration
-  import Ecto.Query
   alias Pleroma.User
+  import Ecto.Query
+  require Logger
+  use Ecto.Migration
 
   def change do
     query =
@@ -19,6 +20,9 @@ def change do
           :following_address
         ])
         |> Pleroma.Repo.update()
+
+      user ->
+        Logger.warn("User #{user.id} / #{user.nickname} does not seem to have source_data")
     end)
   end
 end

priv/repo/migrations/20190711042024_copy_muted_to_muted_notifications.exs

@@ -2,6 +2,8 @@ defmodule Pleroma.Repo.Migrations.CopyMutedToMutedNotifications do
   use Ecto.Migration
 
   def change do
+    execute("update users set info = '{}' where info is null")
+
     execute(
       "update users set info = safe_jsonb_set(info, '{muted_notifications}', info->'mutes', true) where local = true"
     )