+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Instances.Instance do
@moduledoc "Instance."
alias Pleroma.Instances
alias Pleroma.Instances.Instance
+ alias Pleroma.Repo
use Ecto.Schema
- import Ecto.{Query, Changeset}
-
- alias Pleroma.Repo
+ import Ecto.Query
+ import Ecto.Changeset
schema "instances" do
field(:host, :string)
- field(:unreachable_since, :naive_datetime)
+ field(:unreachable_since, :naive_datetime_usec)
timestamps()
end
|> unique_constraint(:host)
end
- def filter_reachable([]), do: []
+ def filter_reachable([]), do: %{}
def filter_reachable(urls_or_hosts) when is_list(urls_or_hosts) do
hosts =
|> Enum.map(&(&1 && host(&1)))
|> Enum.filter(&(to_string(&1) != ""))
- unreachable_hosts =
+ unreachable_since_by_host =
Repo.all(
from(i in Instance,
- where:
- i.host in ^hosts and
- i.unreachable_since <= ^Instances.reachability_datetime_threshold(),
- select: i.host
+ where: i.host in ^hosts,
+ select: {i.host, i.unreachable_since}
)
)
+ |> Map.new(& &1)
+
+ reachability_datetime_threshold = Instances.reachability_datetime_threshold()
- Enum.filter(urls_or_hosts, &(&1 && host(&1) not in unreachable_hosts))
+ for entry <- Enum.filter(urls_or_hosts, &is_binary/1) do
+ host = host(entry)
+ unreachable_since = unreachable_since_by_host[host]
+
+ if !unreachable_since ||
+ NaiveDateTime.compare(unreachable_since, reachability_datetime_threshold) == :gt do
+ {entry, unreachable_since}
+ end
+ end
+ |> Enum.filter(& &1)
+ |> Map.new(& &1)
end
def reachable?(url_or_host) when is_binary(url_or_host) do
def set_unreachable(url_or_host, unreachable_since \\ nil)
def set_unreachable(url_or_host, unreachable_since) when is_binary(url_or_host) do
- unreachable_since = unreachable_since || DateTime.utc_now()
+ unreachable_since = parse_datetime(unreachable_since) || NaiveDateTime.utc_now()
host = host(url_or_host)
existing_record = Repo.get_by(Instance, %{host: host})
end
def set_unreachable(_, _), do: {:error, nil}
+
+ defp parse_datetime(datetime) when is_binary(datetime) do
+ NaiveDateTime.from_iso8601(datetime)
+ end
+
+ defp parse_datetime(datetime), do: datetime
end