47 lines
1.1 KiB
Elixir
47 lines
1.1 KiB
Elixir
defmodule Pleroma.Repo.Migrations.AddUnreadToMarker do
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use Ecto.Migration
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import Ecto.Query
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alias Pleroma.Repo
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alias Pleroma.Notification
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def up do
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alter table(:markers) do
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add_if_not_exists(:unread_count, :integer, default: 0)
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end
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flush()
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update_markers()
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end
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def down do
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alter table(:markers) do
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remove_if_exists(:unread_count, :integer)
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end
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end
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def update_markers do
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from(q in Notification,
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select: %{
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timeline: "notifications",
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user_id: q.user_id,
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unread_count: fragment("SUM( CASE WHEN seen = false THEN 1 ELSE 0 END )"),
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last_read_id:
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type(fragment("MAX( CASE WHEN seen = true THEN id ELSE null END )"), :string)
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},
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group_by: [q.user_id]
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)
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|> Repo.all()
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|> Enum.each(fn attrs ->
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Pleroma.Marker
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|> struct(attrs)
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|> Ecto.Changeset.change()
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|> Pleroma.Repo.insert(
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returning: true,
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on_conflict: {:replace, [:last_read_id, :unread_count]},
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conflict_target: [:user_id, :timeline]
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)
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end)
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end
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end
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