X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;ds=inline;f=lib%2Fpleroma%2Frepo.ex;h=6d85d70bc66c9ac6de1d0266c4937572402c2e95;hb=3462d4b995a995ad523139a865b34a824e02674d;hp=f57e088bc288f321c11c62868ea5b363d77a702b;hpb=1040caf096347b638b9fda5b23fcccde87b32ede;p=akkoma
diff --git a/lib/pleroma/repo.ex b/lib/pleroma/repo.ex
index f57e088bc..6d85d70bc 100644
--- a/lib/pleroma/repo.ex
+++ b/lib/pleroma/repo.ex
@@ -1,5 +1,5 @@
# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors
+# Copyright © 2017-2020 Pleroma Authors
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Repo do
@@ -8,6 +8,9 @@ defmodule Pleroma.Repo do
adapter: Ecto.Adapters.Postgres,
migration_timestamps: [type: :naive_datetime_usec]
+ import Ecto.Query
+ require Logger
+
defmodule Instrumenter do
use Prometheus.EctoInstrumenter
end
@@ -47,4 +50,64 @@ defmodule Pleroma.Repo do
_ -> {:error, :not_found}
end
end
+
+ def check_migrations_applied!() do
+ unless Pleroma.Config.get(
+ [:i_am_aware_this_may_cause_data_loss, :disable_migration_check],
+ false
+ ) do
+ Ecto.Migrator.with_repo(__MODULE__, fn repo ->
+ down_migrations =
+ Ecto.Migrator.migrations(repo)
+ |> Enum.reject(fn
+ {:up, _, _} -> true
+ {:down, _, _} -> false
+ end)
+
+ if length(down_migrations) > 0 do
+ down_migrations_text =
+ Enum.map(down_migrations, fn {:down, id, name} -> "- #{name} (#{id})\n" end)
+
+ Logger.error(
+ "The following migrations were not applied:\n#{down_migrations_text}If you want to start Pleroma anyway, set\nconfig :pleroma, :i_am_aware_this_may_cause_data_loss, disable_migration_check: true"
+ )
+
+ raise Pleroma.Repo.UnappliedMigrationsError
+ end
+ end)
+ else
+ :ok
+ end
+ end
+
+ def chunk_stream(query, chunk_size) do
+ # We don't actually need start and end funcitons of resource streaming,
+ # but it seems to be the only way to not fetch records one-by-one and
+ # have individual records be the elements of the stream, instead of
+ # lists of records
+ Stream.resource(
+ fn -> 0 end,
+ fn
+ last_id ->
+ query
+ |> order_by(asc: :id)
+ |> where([r], r.id > ^last_id)
+ |> limit(^chunk_size)
+ |> all()
+ |> case do
+ [] ->
+ {:halt, last_id}
+
+ records ->
+ last_id = List.last(records).id
+ {records, last_id}
+ end
+ end,
+ fn _ -> :ok end
+ )
+ end
+end
+
+defmodule Pleroma.Repo.UnappliedMigrationsError do
+ defexception message: "Unapplied Migrations detected"
end