git.squeep.com Git - akkoma/blob - lib/pleroma/web/twitter_api/representers/activity_representer.ex

   1 defmodule Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter do
   2   use Pleroma.Web.TwitterAPI.Representers.BaseRepresenter
   3   alias Pleroma.Web.TwitterAPI.Representers.{UserRepresenter, ObjectRepresenter}
   4   alias Pleroma.{Activity, User, Formatter}
   5   alias Calendar.Strftime
   6   alias Pleroma.Web.TwitterAPI.TwitterAPI
   7
   8   defp user_by_ap_id(user_list, ap_id) do
   9     Enum.find(user_list, fn (%{ap_id: user_id}) -> ap_id == user_id end)
  10   end
  11
  12   def to_map(%Activity{data: %{"type" => "Announce", "actor" => actor, "published" => created_at}} = activity,
  13              %{users: users, announced_activity: announced_activity} = opts) do
  14     user = user_by_ap_id(users, actor)
  15     created_at = created_at |> date_to_asctime
  16
  17     text = "#{user.nickname} retweeted a status."
  18
  19     announced_user = user_by_ap_id(users, announced_activity.data["actor"])
  20     retweeted_status = to_map(announced_activity, Map.merge(%{user: announced_user}, opts))
  21     %{
  22       "id" => activity.id,
  23       "user" => UserRepresenter.to_map(user, opts),
  24       "statusnet_html" => text,
  25       "text" => text,
  26       "is_local" => true,
  27       "is_post_verb" => false,
  28       "uri" => "tag:#{activity.data["id"]}:objectType=note",
  29       "created_at" => created_at,
  30       "retweeted_status" => retweeted_status,
  31       "statusnet_conversation_id" => conversation_id(announced_activity),
  32       "external_url" => activity.data["id"]
  33     }
  34   end
  35
  36   def to_map(%Activity{data: %{"type" => "Like", "published" => created_at}} = activity,
  37              %{user: user, liked_activity: liked_activity} = opts) do
  38     created_at = created_at |> date_to_asctime
  39
  40     text = "#{user.nickname} favorited a status."
  41
  42     %{
  43       "id" => activity.id,
  44       "user" => UserRepresenter.to_map(user, opts),
  45       "statusnet_html" => text,
  46       "text" => text,
  47       "is_local" => true,
  48       "is_post_verb" => false,
  49       "uri" => "tag:#{activity.data["id"]}:objectType=Favourite",
  50       "created_at" => created_at,
  51       "in_reply_to_status_id" => liked_activity.id,
  52       "external_url" => activity.data["id"]
  53     }
  54   end
  55
  56   def to_map(%Activity{data: %{"type" => "Follow", "published" => created_at, "object" => followed_id}} = activity, %{user: user} = opts) do
  57     created_at = created_at |> date_to_asctime
  58
  59     followed = User.get_cached_by_ap_id(followed_id)
  60     text = "#{user.nickname} started following #{followed.nickname}"
  61     %{
  62       "id" => activity.id,
  63       "user" => UserRepresenter.to_map(user, opts),
  64       "attentions" => [],
  65       "statusnet_html" => text,
  66       "text" => text,
  67       "is_local" => true,
  68       "is_post_verb" => false,
  69       "created_at" => created_at,
  70       "in_reply_to_status_id" => nil,
  71       "external_url" => activity.data["id"]
  72     }
  73   end
  74
  75   def content_with_tags(content, tags) do
  76     tags = tags || []
  77     text_content = HtmlSanitizeEx.strip_tags(content)
  78     found_tags = Formatter.parse_tags(text_content)
  79     |> Enum.map(fn ({_, tag}) -> tag end)
  80
  81     missing_tags = tags -- found_tags
  82     |> Enum.map(&"##{&1}")
  83
  84     Enum.join([content | missing_tags], "<br>\n")
  85   end
  86
  87   def to_map(%Activity{data: %{"object" => %{"content" => content} = object}} = activity, %{user: user} = opts) do
  88     created_at = object["published"] |> date_to_asctime
  89     like_count = object["like_count"] || 0
  90     announcement_count = object["announcement_count"] || 0
  91     favorited = opts[:for] && opts[:for].ap_id in (object["likes"] || [])
  92     repeated = opts[:for] && opts[:for].ap_id in (object["announcements"] || [])
  93
  94     mentions = opts[:mentioned] || []
  95
  96     attentions = activity.data["to"]
  97     |> Enum.map(fn (ap_id) -> Enum.find(mentions, fn(user) -> ap_id == user.ap_id end) end)
  98     |> Enum.filter(&(&1))
  99     |> Enum.map(fn (user) -> UserRepresenter.to_map(user, opts) end)
 100
 101     conversation_id = conversation_id(activity)
 102
 103     content = content_with_tags(content, object["tag"])
 104
 105     %{
 106       "id" => activity.id,
 107       "user" => UserRepresenter.to_map(user, opts),
 108       "attentions" => [],
 109       "statusnet_html" => content,
 110       "text" => HtmlSanitizeEx.strip_tags(content),
 111       "is_local" => true,
 112       "is_post_verb" => true,
 113       "created_at" => created_at,
 114       "in_reply_to_status_id" => object["inReplyToStatusId"],
 115       "statusnet_conversation_id" => conversation_id,
 116       "attachments" => (object["attachment"] || []) |> ObjectRepresenter.enum_to_list(opts),
 117       "attentions" => attentions,
 118       "fave_num" => like_count,
 119       "repeat_num" => announcement_count,
 120       "favorited" => to_boolean(favorited),
 121       "repeated" => to_boolean(repeated),
 122       "external_url" => activity.data["id"]
 123     }
 124   end
 125
 126   def conversation_id(activity) do
 127     with context when not is_nil(context) <- activity.data["context"] do
 128       TwitterAPI.context_to_conversation_id(context)
 129     else _e -> nil
 130     end
 131   end
 132
 133   defp date_to_asctime(date) do
 134     with {:ok, date, _offset} <- date |> DateTime.from_iso8601 do
 135       Strftime.strftime!(date, "%a %b %d %H:%M:%S %z %Y")
 136     else _e ->
 137       ""
 138     end
 139   end
 140
 141   defp to_boolean(false) do
 142     false
 143   end
 144
 145   defp to_boolean(nil) do
 146     false
 147   end
 148
 149   defp to_boolean(_) do
 150     true
 151   end
 152 end