forked from potsda.mn/mobilizon
81 lines
2.1 KiB
Elixir
81 lines
2.1 KiB
Elixir
defmodule Mobilizon.Web.Cache.ActivityPub do
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@moduledoc """
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ActivityPub related cache.
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"""
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alias Mobilizon.{Actors, Events, Tombstone}
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alias Mobilizon.Actors.Actor
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alias Mobilizon.Events.{Comment, Event}
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alias Mobilizon.Federation.ActivityPub.Relay
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alias Mobilizon.Web.Endpoint
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alias Mobilizon.Web.Router.Helpers, as: Routes
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@cache :activity_pub
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@doc """
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Gets a local actor by username.
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"""
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@spec get_local_actor_by_name(String.t()) ::
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{:commit, Actor.t()} | {:ignore, nil}
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def get_local_actor_by_name(name) do
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Cachex.fetch(@cache, "actor_" <> name, fn "actor_" <> name ->
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case Actors.get_local_actor_by_name(name) do
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%Actor{} = actor ->
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{:commit, actor}
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nil ->
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{:ignore, nil}
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end
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end)
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end
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@doc """
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Gets a public event by its UUID, with all associations loaded.
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"""
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@spec get_public_event_by_uuid_with_preload(String.t()) ::
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{:commit, Event.t()} | {:ignore, nil}
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def get_public_event_by_uuid_with_preload(uuid) do
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Cachex.fetch(@cache, "event_" <> uuid, fn "event_" <> uuid ->
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case Events.get_public_event_by_uuid_with_preload(uuid) do
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%Event{} = event ->
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{:commit, event}
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nil ->
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with url <- Routes.page_url(Endpoint, :event, uuid),
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%Tombstone{} = tomstone <- Tombstone.find_tombstone(url) do
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tomstone
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else
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_ -> {:ignore, nil}
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end
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end
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end)
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end
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@doc """
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Gets a comment by its UUID, with all associations loaded.
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"""
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@spec get_comment_by_uuid_with_preload(String.t()) ::
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{:commit, Comment.t()} | {:ignore, nil}
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def get_comment_by_uuid_with_preload(uuid) do
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Cachex.fetch(@cache, "comment_" <> uuid, fn "comment_" <> uuid ->
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case Events.get_comment_from_uuid_with_preload(uuid) do
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%Comment{} = comment ->
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{:commit, comment}
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nil ->
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{:ignore, nil}
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end
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end)
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end
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@doc """
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Gets a relay.
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"""
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@spec get_relay :: {:commit, Actor.t()} | {:ignore, nil}
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def get_relay do
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Cachex.fetch(@cache, "relay_actor", &Relay.get_actor/0)
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end
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end
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