1 files changed, 31 insertions, 1 deletions
diff --git a/priv/repo/migrations/20191030202008_add_unread_to_marker.exs b/priv/repo/migrations/20191030202008_add_unread_to_marker.exs
index f81339c9f..2b3abc682 100644
--- a/priv/repo/migrations/20191030202008_add_unread_to_marker.exs
+++ b/priv/repo/migrations/20191030202008_add_unread_to_marker.exs
@@ -2,12 +2,15 @@ defmodule Pleroma.Repo.Migrations.AddUnreadToMarker do
   use Ecto.Migration
   import Ecto.Query
   alias Pleroma.Repo
-  alias Pleroma.Notification
 
   def up do
     alter table(:markers) do
       add_if_not_exists(:unread_count, :integer, default: 0)
     end
+
+    flush()
+
+    update_markers()
   end
 
   def down do
@@ -15,4 +18,31 @@ defmodule Pleroma.Repo.Migrations.AddUnreadToMarker do
       remove_if_exists(:unread_count, :integer)
     end
   end
+
+  def update_markers do
+    now = NaiveDateTime.utc_now()
+
+    markers_attrs =
+      from(q in "notifications",
+        select: %{
+          timeline: "notifications",
+          user_id: q.user_id,
+          unread_count: fragment("SUM( CASE WHEN seen = false THEN 1 ELSE 0 END )"),
+          last_read_id:
+            type(fragment("MAX( CASE WHEN seen = true THEN id ELSE null END )"), :string)
+        },
+        group_by: [q.user_id]
+      )
+      |> Repo.all()
+      |> Enum.map(fn attrs ->
+        attrs
+        |> Map.put_new(:inserted_at, now)
+        |> Map.put_new(:updated_at, now)
+      end)
+
+    Repo.insert_all("markers", markers_attrs,
+      on_conflict: {:replace, [:last_read_id, :unread_count]},
+      conflict_target: [:user_id, :timeline]
+    )
+  end
 end