git.squeep.com Git - akkoma/blob - lib/pleroma/web/twitter_api/views/activity_view.ex

   1 defmodule Pleroma.Web.TwitterAPI.ActivityView do
   2   use Pleroma.Web, :view
   3   alias Pleroma.Web.CommonAPI.Utils
   4   alias Pleroma.User
   5   alias Pleroma.Web.TwitterAPI.UserView
   6   alias Pleroma.Web.TwitterAPI.ActivityView
   7   alias Pleroma.Web.TwitterAPI.TwitterAPI
   8   alias Pleroma.Web.TwitterAPI.Representers.ObjectRepresenter
   9   alias Pleroma.Activity
  10   alias Pleroma.Object
  11   alias Pleroma.User
  12   alias Pleroma.Repo
  13   alias Pleroma.Formatter
  14   alias Pleroma.HTML
  15
  16   import Ecto.Query
  17
  18   defp query_context_ids([]), do: []
  19
  20   defp query_context_ids(contexts) do
  21     query = from(o in Object, where: fragment("(?)->>'id' = ANY(?)", o.data, ^contexts))
  22
  23     Repo.all(query)
  24   end
  25
  26   defp query_users([]), do: []
  27
  28   defp query_users(user_ids) do
  29     query = from(user in User, where: user.ap_id in ^user_ids)
  30
  31     Repo.all(query)
  32   end
  33
  34   defp collect_context_ids(activities) do
  35     _contexts =
  36       activities
  37       |> Enum.reject(& &1.data["context_id"])
  38       |> Enum.map(fn %{data: data} ->
  39         data["context"]
  40       end)
  41       |> Enum.filter(& &1)
  42       |> query_context_ids()
  43       |> Enum.reduce(%{}, fn %{data: %{"id" => ap_id}, id: id}, acc ->
  44         Map.put(acc, ap_id, id)
  45       end)
  46   end
  47
  48   defp collect_users(activities) do
  49     activities
  50     |> Enum.map(fn activity ->
  51       case activity.data do
  52         data = %{"type" => "Follow"} ->
  53           [data["actor"], data["object"]]
  54
  55         data ->
  56           [data["actor"]]
  57       end ++ activity.recipients
  58     end)
  59     |> List.flatten()
  60     |> Enum.uniq()
  61     |> query_users()
  62     |> Enum.reduce(%{}, fn user, acc ->
  63       Map.put(acc, user.ap_id, user)
  64     end)
  65   end
  66
  67   defp get_context_id(%{data: %{"context_id" => context_id}}, _) when not is_nil(context_id),
  68     do: context_id
  69
  70   defp get_context_id(%{data: %{"context" => nil}}, _), do: nil
  71
  72   defp get_context_id(%{data: %{"context" => context}}, options) do
  73     cond do
  74       id = options[:context_ids][context] -> id
  75       true -> TwitterAPI.context_to_conversation_id(context)
  76     end
  77   end
  78
  79   defp get_context_id(_, _), do: nil
  80
  81   defp get_user(ap_id, opts) do
  82     cond do
  83       user = opts[:users][ap_id] ->
  84         user
  85
  86       String.ends_with?(ap_id, "/followers") ->
  87         nil
  88
  89       ap_id == "https://www.w3.org/ns/activitystreams#Public" ->
  90         nil
  91
  92       true ->
  93         User.get_cached_by_ap_id(ap_id)
  94     end
  95   end
  96
  97   def render("index.json", opts) do
  98     context_ids = collect_context_ids(opts.activities)
  99     users = collect_users(opts.activities)
 100
 101     opts =
 102       opts
 103       |> Map.put(:context_ids, context_ids)
 104       |> Map.put(:users, users)
 105
 106     render_many(
 107       opts.activities,
 108       ActivityView,
 109       "activity.json",
 110       opts
 111     )
 112   end
 113
 114   def render("activity.json", %{activity: %{data: %{"type" => "Delete"}} = activity} = opts) do
 115     user = get_user(activity.data["actor"], opts)
 116     created_at = activity.data["published"] |> Utils.date_to_asctime()
 117
 118     %{
 119       "id" => activity.id,
 120       "uri" => activity.data["object"],
 121       "user" => UserView.render("show.json", %{user: user, for: opts[:for]}),
 122       "attentions" => [],
 123       "statusnet_html" => "deleted notice {{tag",
 124       "text" => "deleted notice {{tag",
 125       "is_local" => activity.local,
 126       "is_post_verb" => false,
 127       "created_at" => created_at,
 128       "in_reply_to_status_id" => nil,
 129       "external_url" => activity.data["id"],
 130       "activity_type" => "delete"
 131     }
 132   end
 133
 134   def render("activity.json", %{activity: %{data: %{"type" => "Follow"}} = activity} = opts) do
 135     user = get_user(activity.data["actor"], opts)
 136     created_at = activity.data["published"] || DateTime.to_iso8601(activity.inserted_at)
 137     created_at = created_at |> Utils.date_to_asctime()
 138
 139     followed = get_user(activity.data["object"], opts)
 140     text = "#{user.nickname} started following #{followed.nickname}"
 141
 142     %{
 143       "id" => activity.id,
 144       "user" => UserView.render("show.json", %{user: user, for: opts[:for]}),
 145       "attentions" => [],
 146       "statusnet_html" => text,
 147       "text" => text,
 148       "is_local" => activity.local,
 149       "is_post_verb" => false,
 150       "created_at" => created_at,
 151       "in_reply_to_status_id" => nil,
 152       "external_url" => activity.data["id"],
 153       "activity_type" => "follow"
 154     }
 155   end
 156
 157   def render("activity.json", %{activity: %{data: %{"type" => "Announce"}} = activity} = opts) do
 158     user = get_user(activity.data["actor"], opts)
 159     created_at = activity.data["published"] |> Utils.date_to_asctime()
 160     announced_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 161
 162     text = "#{user.nickname} retweeted a status."
 163
 164     retweeted_status = render("activity.json", Map.merge(opts, %{activity: announced_activity}))
 165
 166     %{
 167       "id" => activity.id,
 168       "user" => UserView.render("show.json", %{user: user, for: opts[:for]}),
 169       "statusnet_html" => text,
 170       "text" => text,
 171       "is_local" => activity.local,
 172       "is_post_verb" => false,
 173       "uri" => "tag:#{activity.data["id"]}:objectType=note",
 174       "created_at" => created_at,
 175       "retweeted_status" => retweeted_status,
 176       "statusnet_conversation_id" => get_context_id(announced_activity, opts),
 177       "external_url" => activity.data["id"],
 178       "activity_type" => "repeat"
 179     }
 180   end
 181
 182   def render("activity.json", %{activity: %{data: %{"type" => "Like"}} = activity} = opts) do
 183     user = get_user(activity.data["actor"], opts)
 184     liked_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 185     liked_activity_id = if liked_activity, do: liked_activity.id, else: nil
 186
 187     created_at =
 188       activity.data["published"]
 189       |> Utils.date_to_asctime()
 190
 191     text = "#{user.nickname} favorited a status."
 192
 193     favorited_status =
 194       if liked_activity,
 195         do: render("activity.json", Map.merge(opts, %{activity: liked_activity})),
 196         else: nil
 197
 198     %{
 199       "id" => activity.id,
 200       "user" => UserView.render("show.json", %{user: user, for: opts[:for]}),
 201       "statusnet_html" => text,
 202       "text" => text,
 203       "is_local" => activity.local,
 204       "is_post_verb" => false,
 205       "uri" => "tag:#{activity.data["id"]}:objectType=Favourite",
 206       "created_at" => created_at,
 207       "favorited_status" => favorited_status,
 208       "in_reply_to_status_id" => liked_activity_id,
 209       "external_url" => activity.data["id"],
 210       "activity_type" => "like"
 211     }
 212   end
 213
 214   def render(
 215         "activity.json",
 216         %{activity: %{data: %{"type" => "Create", "object" => object}} = activity} = opts
 217       ) do
 218     user = get_user(activity.data["actor"], opts)
 219
 220     created_at = object["published"] |> Utils.date_to_asctime()
 221     like_count = object["like_count"] || 0
 222     announcement_count = object["announcement_count"] || 0
 223     favorited = opts[:for] && opts[:for].ap_id in (object["likes"] || [])
 224     repeated = opts[:for] && opts[:for].ap_id in (object["announcements"] || [])
 225
 226     attentions =
 227       activity.recipients
 228       |> Enum.map(fn ap_id -> get_user(ap_id, opts) end)
 229       |> Enum.filter(& &1)
 230       |> Enum.map(fn user -> UserView.render("show.json", %{user: user, for: opts[:for]}) end)
 231
 232     conversation_id = get_context_id(activity, opts)
 233
 234     tags = activity.data["object"]["tag"] || []
 235     possibly_sensitive = activity.data["object"]["sensitive"] || Enum.member?(tags, "nsfw")
 236
 237     tags = if possibly_sensitive, do: Enum.uniq(["nsfw" | tags]), else: tags
 238
 239     {summary, content} = render_content(object)
 240
 241     html =
 242       HTML.filter_tags(content, User.html_filter_policy(opts[:for]))
 243       |> Formatter.emojify(object["emoji"])
 244
 245     reply_parent = Activity.get_in_reply_to_activity(activity)
 246
 247     reply_user = reply_parent && User.get_cached_by_ap_id(reply_parent.actor)
 248
 249     %{
 250       "id" => activity.id,
 251       "uri" => activity.data["object"]["id"],
 252       "user" => UserView.render("show.json", %{user: user, for: opts[:for]}),
 253       "statusnet_html" => html,
 254       "text" => HTML.strip_tags(content),
 255       "is_local" => activity.local,
 256       "is_post_verb" => true,
 257       "created_at" => created_at,
 258       "in_reply_to_status_id" => object["inReplyToStatusId"],
 259       "in_reply_to_screen_name" => reply_user && reply_user.nickname,
 260       "in_reply_to_profileurl" => User.profile_url(reply_user),
 261       "in_reply_to_ostatus_uri" => reply_user && reply_user.ap_id,
 262       "in_reply_to_user_id" => reply_user && reply_user.id,
 263       "statusnet_conversation_id" => conversation_id,
 264       "attachments" => (object["attachment"] || []) |> ObjectRepresenter.enum_to_list(opts),
 265       "attentions" => attentions,
 266       "fave_num" => like_count,
 267       "repeat_num" => announcement_count,
 268       "favorited" => !!favorited,
 269       "repeated" => !!repeated,
 270       "external_url" => object["external_url"] || object["id"],
 271       "tags" => tags,
 272       "activity_type" => "post",
 273       "possibly_sensitive" => possibly_sensitive,
 274       "visibility" => Pleroma.Web.MastodonAPI.StatusView.get_visibility(object),
 275       "summary" => summary
 276     }
 277   end
 278
 279   def render_content(%{"type" => "Note"} = object) do
 280     summary = object["summary"]
 281
 282     content =
 283       if !!summary and summary != "" do
 284         "<p>#{summary}</p>#{object["content"]}"
 285       else
 286         object["content"]
 287       end
 288
 289     {summary, content}
 290   end
 291
 292   def render_content(%{"type" => object_type} = object) when object_type in ["Article", "Page"] do
 293     summary = object["name"] || object["summary"]
 294
 295     content =
 296       if !!summary and summary != "" and is_bitstring(object["url"]) do
 297         "<p><a href=\"#{object["url"]}\">#{summary}</a></p>#{object["content"]}"
 298       else
 299         object["content"]
 300       end
 301
 302     {summary, content}
 303   end
 304
 305   def render_content(object) do
 306     summary = object["summary"] || "Unhandled activity type: #{object["type"]}"
 307     content = "<p>#{summary}</p>#{object["content"]}"
 308
 309     {summary, content}
 310   end
 311 end