78 lines
1.9 KiB
Elixir
78 lines
1.9 KiB
Elixir
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defmodule Pleroma.Instances.Instance do
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@moduledoc "Instance."
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alias Pleroma.Instances
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alias Pleroma.Instances.Instance
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use Ecto.Schema
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import Ecto.{Query, Changeset}
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alias Pleroma.Repo
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schema "instances" do
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field(:host, :string)
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field(:unreachable_since, :naive_datetime)
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field(:reachability_checked_at, :naive_datetime)
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timestamps()
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end
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def update_changeset(struct, params \\ %{}) do
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struct
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|> cast(params, [:host, :unreachable_since, :reachability_checked_at])
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|> unique_constraint(:host)
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end
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def reachable?(url) do
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!Repo.one(
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from(i in Instance,
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where:
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i.host == ^host(url) and i.unreachable_since <= ^Instances.reachability_time_threshold(),
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select: true
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)
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)
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end
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def set_reachable(url) do
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Repo.update_all(
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from(i in Instance, where: i.host == ^host(url)),
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set: [
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unreachable_since: nil,
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reachability_checked_at: DateTime.utc_now()
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]
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)
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end
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def set_unreachable(url, unreachable_since \\ nil) do
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unreachable_since = unreachable_since || DateTime.utc_now()
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host = host(url)
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existing_record = Repo.get_by(Instance, %{host: host})
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changes = %{
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unreachable_since: unreachable_since,
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reachability_checked_at: NaiveDateTime.utc_now()
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}
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if existing_record do
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update_changes =
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if existing_record.unreachable_since &&
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NaiveDateTime.compare(existing_record.unreachable_since, unreachable_since) != :gt,
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do: Map.delete(changes, :unreachable_since),
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else: changes
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{:ok, _instance} = Repo.update(update_changeset(existing_record, update_changes))
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else
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{:ok, _instance} = Repo.insert(update_changeset(%Instance{}, Map.put(changes, :host, host)))
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end
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end
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defp host(url_or_host) do
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if url_or_host =~ ~r/^http/i do
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URI.parse(url_or_host).host
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else
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url_or_host
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end
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end
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end
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