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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.PleromaAPI.EmojiReactionView do
   6   use Pleroma.Web, :view
   7
   8   alias Pleroma.Web.MastodonAPI.AccountView
   9   alias Pleroma.Web.MediaProxy
  10
  11   def emoji_name(emoji, nil), do: emoji
  12
  13   def emoji_name(emoji, url) do
  14     url = URI.parse(url)
  15
  16     if url.host == Pleroma.Web.Endpoint.host() do
  17       emoji
  18     else
  19       "#{emoji}@#{url.host}"
  20     end
  21   end
  22
  23   def render("index.json", %{emoji_reactions: emoji_reactions} = opts) do
  24     render_many(emoji_reactions, __MODULE__, "show.json", opts)
  25   end
  26
  27   def render("show.json", %{emoji_reaction: {emoji, user_ap_ids, url}, user: user}) do
  28     users = fetch_users(user_ap_ids)
  29
  30     %{
  31       name: emoji_name(emoji, url),
  32       count: length(users),
  33       accounts: render(AccountView, "index.json", users: users, for: user),
  34       url: MediaProxy.url(url),
  35       me: !!(user && user.ap_id in user_ap_ids)
  36     }
  37   end
  38
  39   defp fetch_users(user_ap_ids) do
  40     user_ap_ids
  41     |> Enum.map(&Pleroma.User.get_cached_by_ap_id/1)
  42     |> Enum.filter(fn
  43       %{is_active: true} -> true
  44       _ -> false
  45     end)
  46   end
  47 end