41 lines
945 B
Elixir
41 lines
945 B
Elixir
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defmodule Pleroma.Repo.Migrations.UpdateMarkers 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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def up do
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update_markers()
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end
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def down do
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:ok
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end
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defp update_markers do
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now = NaiveDateTime.utc_now()
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markers_attrs =
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from(q in "notifications",
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select: %{
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timeline: "notifications",
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user_id: q.user_id,
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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.map(fn %{last_read_id: last_read_id} = attrs ->
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attrs
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|> Map.put(:last_read_id, last_read_id || "")
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|> Map.put_new(:inserted_at, now)
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|> Map.put_new(:updated_at, now)
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end)
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Repo.insert_all("markers", markers_attrs,
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on_conflict: {:replace, [:last_read_id]},
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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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