101 lines
2.5 KiB
Elixir
101 lines
2.5 KiB
Elixir
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defmodule Mobilizon.Service.ActivityPub.Converter.Utils do
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@moduledoc """
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Various utils for converters
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"""
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alias Mobilizon.Actors.Actor
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alias Mobilizon.Events.Tag
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alias Mobilizon.Mention
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alias Mobilizon.Service.ActivityPub
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alias Mobilizon.Storage.Repo
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require Logger
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@spec fetch_tags([String.t()]) :: [Tag.t()]
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def fetch_tags(tags) when is_list(tags) do
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Logger.debug("fetching tags")
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Enum.reduce(tags, [], &fetch_tag/2)
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end
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@spec fetch_mentions([map()]) :: [map()]
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def fetch_mentions(mentions) when is_list(mentions) do
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Logger.debug("fetching mentions")
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Enum.reduce(mentions, [], fn mention, acc -> create_mention(mention, acc) end)
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end
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def fetch_address(%{id: id}) do
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with {id, ""} <- Integer.parse(id) do
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%{id: id}
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end
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end
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def fetch_address(address) when is_map(address) do
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address
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end
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@spec build_tags([Tag.t()]) :: [Map.t()]
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def build_tags(tags) do
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Enum.map(tags, fn %Tag{} = tag ->
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%{
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"href" => MobilizonWeb.Endpoint.url() <> "/tags/#{tag.slug}",
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"name" => "##{tag.title}",
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"type" => "Hashtag"
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}
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end)
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end
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def build_mentions(mentions) do
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Enum.map(mentions, fn %Mention{} = mention ->
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if Ecto.assoc_loaded?(mention.actor) do
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build_mention(mention.actor)
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else
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build_mention(Repo.preload(mention, [:actor]).actor)
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end
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end)
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end
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defp build_mention(%Actor{} = actor) do
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%{
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"href" => actor.url,
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"name" => "@#{Mobilizon.Actors.Actor.preferred_username_and_domain(actor)}",
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"type" => "Mention"
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}
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end
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defp fetch_tag(tag, acc) when is_map(tag) do
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case tag["type"] do
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"Hashtag" ->
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acc ++ [%{title: tag}]
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_err ->
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acc
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end
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end
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defp fetch_tag(tag, acc) when is_bitstring(tag) do
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acc ++ [%{title: tag}]
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end
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@spec create_mention(map(), list()) :: list()
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defp create_mention(%Actor{id: actor_id} = _mention, acc) do
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acc ++ [%{actor_id: actor_id}]
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end
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@spec create_mention(map(), list()) :: list()
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defp create_mention(mention, acc) when is_map(mention) do
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with true <- mention["type"] == "Mention",
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{:ok, %Actor{id: actor_id}} <- ActivityPub.get_or_fetch_actor_by_url(mention["href"]) do
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acc ++ [%{actor_id: actor_id}]
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else
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_err ->
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acc
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end
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end
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@spec create_mention({String.t(), map()}, list()) :: list()
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defp create_mention({_, mention}, acc) when is_map(mention) do
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create_mention(mention, acc)
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end
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end
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