X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fmix%2Ftasks%2Fpleroma%2Fdatabase.ex;h=30c0d2bf17c467d6f561a3bc46873ae039cd08e0;hb=4e14945670bac15a6e183eb8c552d6e0669713ac;hp=093c7dd30de565c61fafcdf5839497daafa33820;hpb=4134abef63e1165f5701741c1012e64cb908654c;p=akkoma
diff --git a/lib/mix/tasks/pleroma/database.ex b/lib/mix/tasks/pleroma/database.ex
index 093c7dd30..30c0d2bf1 100644
--- a/lib/mix/tasks/pleroma/database.ex
+++ b/lib/mix/tasks/pleroma/database.ex
@@ -1,10 +1,9 @@
# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors
+# Copyright © 2017-2021 Pleroma Authors
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Mix.Tasks.Pleroma.Database do
alias Pleroma.Conversation
- alias Pleroma.Hashtag
alias Pleroma.Maintenance
alias Pleroma.Object
alias Pleroma.Repo
@@ -21,6 +20,30 @@ defmodule Mix.Tasks.Pleroma.Database do
@shortdoc "A collection of database related tasks"
@moduledoc File.read!("docs/administration/CLI_tasks/database.md")
+ # Rolls back a specific migration (leaving subsequent migrations applied)
+ # Based on https://stackoverflow.com/a/53825840
+ def run(["rollback", version]) do
+ start_pleroma()
+
+ version = String.to_integer(version)
+ re = ~r/^#{version}_.*\.exs/
+ path = Application.app_dir(:pleroma, Path.join(["priv", "repo", "migrations"]))
+
+ result =
+ with {:find, "" <> file} <- {:find, Enum.find(File.ls!(path), &String.match?(&1, re))},
+ {:compile, [{mod, _} | _]} <- {:compile, Code.compile_file(Path.join(path, file))},
+ {:rollback, :ok} <- {:rollback, Ecto.Migrator.down(Repo, version, mod)} do
+ {:ok, "Reversed migration: #{file}"}
+ else
+ {:find, _} -> {:error, "No migration found with version prefix: #{version}"}
+ {:compile, e} -> {:error, "Problem compiling migration module: #{inspect(e)}"}
+ {:rollback, e} -> {:error, "Problem reversing migration: #{inspect(e)}"}
+ e -> {:error, "Something unexpected happened: #{inspect(e)}"}
+ end
+
+ IO.inspect(result)
+ end
+
def run(["remove_embedded_objects" | args]) do
{options, [], []} =
OptionParser.parse(
@@ -132,66 +155,6 @@ defmodule Mix.Tasks.Pleroma.Database do
|> Stream.run()
end
- def run(["transfer_hashtags"]) do
- import Ecto.Query
-
- start_pleroma()
-
- from(
- object in Object,
- left_join: hashtag in assoc(object, :hashtags),
- where: is_nil(hashtag.id),
- where: fragment("(?)->>'tag' != '[]'", object.data),
- select: %{
- id: object.id,
- inserted_at: object.inserted_at,
- tag: fragment("(?)->>'tag'", object.data)
- },
- order_by: [desc: object.id]
- )
- |> Pleroma.Repo.chunk_stream(100, :batches)
- |> Stream.each(fn objects ->
- chunk_start = List.first(objects)
- chunk_end = List.last(objects)
-
- Logger.info(
- "transfer_hashtags: " <>
- "#{chunk_start.id} (#{chunk_start.inserted_at}) -- " <>
- "#{chunk_end.id} (#{chunk_end.inserted_at})"
- )
-
- Enum.map(
- objects,
- fn object ->
- hashtags =
- object.tag
- |> Jason.decode!()
- |> Enum.filter(&is_bitstring(&1))
-
- with {:ok, hashtag_records} <- Hashtag.get_or_create_by_names(hashtags) do
- Repo.transaction(fn ->
- for hashtag_record <- hashtag_records do
- with {:error, _} <-
- Ecto.Adapters.SQL.query(
- Repo,
- "insert into hashtags_objects(hashtag_id, object_id) values " <>
- "(#{hashtag_record.id}, #{object.id});"
- ) do
- Logger.warn(
- "ERROR: could not link object #{object.id} and hashtag #{hashtag_record.id}"
- )
- end
- end
- end)
- else
- e -> Logger.warn("ERROR: could not process object #{object.id}: #{inspect(e)}")
- end
- end
- )
- end)
- |> Stream.run()
- end
-
def run(["vacuum", args]) do
start_pleroma()