--- /dev/null
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Clippy do
+ @moduledoc false
+ # No software is complete until they have a Clippy implementation.
+ # A ballmer peak _may_ be required to change this module.
+
+ def tip() do
+ tips()
+ |> Enum.random()
+ |> puts()
+ end
+
+ def tips() do
+ host = Pleroma.Config.get([Pleroma.Web.Endpoint, :url, :host])
+
+ [
+ "“πλήρωμα” is “pleroma” in greek",
+ "For an extended Pleroma Clippy Experience, use the “Redmond” themes in Pleroma FE settings",
+ "Staff accounts and MRF policies of Pleroma instances are disclosed on the NodeInfo endpoints for easy transparency!\n
+- https://catgirl.science/misc/nodeinfo.lua?#{host}
+- https://fediverse.network/#{host}/federation",
+ "Pleroma can federate to the Dark Web!\n
+- Tor: https://git.pleroma.social/pleroma/pleroma/wikis/Easy%20Onion%20Federation%20(Tor)
+- i2p: https://git.pleroma.social/pleroma/pleroma/wikis/I2p%20federation",
+ "Lists of Pleroma instances are available at:\n\n- http://distsn.org/pleroma-instances.html\n- https://fediverse.network/pleroma\n- https://the-federation.info/pleroma",
+ "Pleroma uses the LitePub protocol - https://litepub.social",
+ "To receive more federated posts, subscribe to relays!\n
+- How-to: https://git.pleroma.social/pleroma/pleroma/wikis/Admin%20tasks#relay-managment
+- Relays: https://fediverse.network/activityrelay"
+ ]
+ end
+
+ @spec puts(String.t() | [[IO.ANSI.ansicode() | String.t(), ...], ...]) :: nil
+ def puts(text_or_lines) do
+ import IO.ANSI
+
+ lines =
+ if is_binary(text_or_lines) do
+ String.split(text_or_lines, ~r/\n/)
+ else
+ text_or_lines
+ end
+
+ longest_line_size =
+ lines
+ |> Enum.map(&charlist_count_text/1)
+ |> Enum.sort(&>=/2)
+ |> List.first()
+
+ pad_text = longest_line_size
+
+ pad =
+ for(_ <- 1..pad_text, do: "_")
+ |> Enum.join("")
+
+ pad_spaces =
+ for(_ <- 1..pad_text, do: " ")
+ |> Enum.join("")
+
+ spaces = " "
+
+ pre_lines = [
+ " / \\#{spaces} _#{pad}___",
+ " | |#{spaces} / #{pad_spaces} \\"
+ ]
+
+ for l <- pre_lines do
+ IO.puts(l)
+ end
+
+ clippy_lines = [
+ " #{bright()}@ @#{reset()}#{spaces} ",
+ " || ||#{spaces}",
+ " || || <--",
+ " |\\_/| ",
+ " \\___/ "
+ ]
+
+ noclippy_line = " "
+
+ env = %{
+ max_size: pad_text,
+ pad: pad,
+ pad_spaces: pad_spaces,
+ spaces: spaces,
+ pre_lines: pre_lines,
+ noclippy_line: noclippy_line
+ }
+
+ clippy_line(lines, clippy_lines, env)
+ rescue
+ e ->
+ IO.puts("(Clippy crashed, sorry: #{inspect(e)})")
+ IO.puts(text_or_lines)
+ end
+
+ defp clippy_line([line | lines], [prefix | clippy_lines], env) do
+ IO.puts([prefix <> "| ", rpad_line(line, env.max_size)])
+ clippy_line(lines, clippy_lines, env)
+ end
+
+ # more text lines but clippy's complete
+ defp clippy_line([line | lines], [], env) do
+ IO.puts([env.noclippy_line, "| ", rpad_line(line, env.max_size)])
+
+ if lines == [] do
+ IO.puts(env.noclippy_line <> "\\_#{env.pad}___/")
+ end
+
+ clippy_line(lines, [], env)
+ end
+
+ # no more text lines but clippy's not complete
+ defp clippy_line([], [clippy | clippy_lines], env) do
+ if env.pad do
+ IO.puts(clippy <> "\\_#{env.pad}___/")
+ clippy_line([], clippy_lines, %{env | pad: nil})
+ else
+ IO.puts(clippy)
+ clippy_line([], clippy_lines, env)
+ end
+ end
+
+ defp clippy_line(_, _, _) do
+ end
+
+ defp rpad_line(line, max) do
+ pad = max - (charlist_count_text(line) - 2)
+ pads = Enum.join(for(_ <- 1..pad, do: " "))
+ [IO.ANSI.format(line), pads <> " |"]
+ end
+
+ defp charlist_count_text(line) do
+ if is_list(line) do
+ text = Enum.join(Enum.filter(line, &is_binary/1))
+ String.length(text)
+ else
+ String.length(line)
+ end
+ end
+end
defmodule Pleroma.Repo.Migrations.UsersAndActivitiesFlakeId do
use Ecto.Migration
+ alias Pleroma.Clippy
+ require Integer
+ import Ecto.Query
+ alias Pleroma.Repo
# This migrates from int serial IDs to custom Flake:
# 1- create a temporary uuid column
#execute "update activities set external_id = CAST( LPAD( TO_HEX(id), 32, '0' ) AS uuid);"
#execute "update users set external_id = CAST( LPAD( TO_HEX(id), 32, '0' ) AS uuid);"
+ clippy = start_clippy_heartbeats()
+
# Lock both tables to avoid a running server to meddling with our transaction
execute "LOCK TABLE activities;"
execute "LOCK TABLE users;"
execute "ALTER TABLE #{table} ADD CONSTRAINT #{table}_user_id_fkey FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;"
end
+ stop_clippy_heartbeats(clippy)
end
+
+ defp start_clippy_heartbeats() do
+ count = from(a in "activities", select: count(a.id)) |> Repo.one!
+
+ pid = if count > 5000 do
+ heartbeat_interval = :timer.minutes(2) + :timer.seconds(30)
+ all_tips = Clippy.tips() ++ [
+ "The migration is still running, maybe it's time for another tea?",
+ "Happy rabbits practice a cute behavior known as a\n“binky:” they jump up in the air\nand twist\nand spin around!",
+ "Nothing and everything.\n\nI still work.",
+ "Pleroma runs on a Raspberry Pi!\n\n … but this migration will take forever if you\nactually run on a raspberry pi",
+ "Status? Stati? Post? Note? Toot?\nRepeat? Reboost? Boost? Retweet? Retoot??\n\nI-I'm confused.",
+ ]
+
+ heartbeat = fn(heartbeat, runs, all_tips, tips) ->
+ tips = if Integer.is_even(runs) do
+ tips = if tips == [], do: all_tips, else: tips
+ [tip | tips] = Enum.shuffle(tips)
+ Clippy.puts(tip)
+ tips
+ else
+ IO.puts "\n -- #{DateTime.to_string(DateTime.utc_now())} Migration still running, please wait…\n"
+ tips
+ end
+ :timer.sleep(heartbeat_interval)
+ heartbeat.(heartbeat, runs + 1, all_tips, tips)
+ end
+
+ Clippy.puts [
+ [:red, :bright, "It looks like you are running an older instance!"],
+ [""],
+ [:bright, "This migration may take a long time", :reset, " -- so you probably should"],
+ ["go drink a coffee, or a tea, or a beer, a whiskey, a vodka,"],
+ ["while it runs to deal with your temporary fediverse pause!"]
+ ]
+ :timer.sleep(heartbeat_interval)
+ spawn_link(fn() -> heartbeat.(heartbeat, 1, all_tips, []) end)
+ end
+ end
+
+ defp stop_clippy_heartbeats(pid) do
+ if pid do
+ Process.unlink(pid)
+ Process.exit(pid, :kill)
+ Clippy.puts [[:green, :bright, "Hurray!!", "", "", "Migration completed!"]]
+ end
+ end
+
end