330 lines
10 KiB
Elixir
330 lines
10 KiB
Elixir
defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
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alias Pleroma.{User, Activity, Repo, Object}
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter
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alias Pleroma.Web.TwitterAPI.UserView
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alias Pleroma.Web.{OStatus, CommonAPI}
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alias Pleroma.Formatter
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import Ecto.Query
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@httpoison Application.get_env(:pleroma, :httpoison)
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def create_status(%User{} = user, %{"status" => status} = data) do
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CommonAPI.post(user, data)
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end
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def fetch_friend_statuses(user, opts \\ %{}) do
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opts = Map.put(opts, "blocking_user", user)
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ActivityPub.fetch_activities([user.ap_id | user.following], opts)
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|> activities_to_statuses(%{for: user})
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end
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def fetch_public_statuses(user, opts \\ %{}) do
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opts = Map.put(opts, "local_only", true)
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opts = Map.put(opts, "blocking_user", user)
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ActivityPub.fetch_public_activities(opts)
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|> activities_to_statuses(%{for: user})
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end
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def fetch_public_and_external_statuses(user, opts \\ %{}) do
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opts = Map.put(opts, "blocking_user", user)
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ActivityPub.fetch_public_activities(opts)
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|> activities_to_statuses(%{for: user})
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end
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def fetch_user_statuses(user, opts \\ %{}) do
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ActivityPub.fetch_activities([], opts)
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|> activities_to_statuses(%{for: user})
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end
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def fetch_mentions(user, opts \\ %{}) do
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ActivityPub.fetch_activities([user.ap_id], opts)
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|> activities_to_statuses(%{for: user})
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end
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def fetch_conversation(user, id) do
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with context when is_binary(context) <- conversation_id_to_context(id),
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activities <- ActivityPub.fetch_activities_for_context(context, %{"blocking_user" => user}),
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statuses <- activities |> activities_to_statuses(%{for: user})
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do
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statuses
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else _e ->
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[]
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end
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end
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def fetch_status(user, id) do
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with %Activity{} = activity <- Repo.get(Activity, id) do
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activity_to_status(activity, %{for: user})
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end
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end
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def follow(%User{} = follower, params) do
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with {:ok, %User{} = followed} <- get_user(params),
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{:ok, follower} <- User.follow(follower, followed),
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{:ok, activity} <- ActivityPub.follow(follower, followed)
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do
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{:ok, follower, followed, activity}
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else
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err -> err
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end
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end
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def unfollow(%User{} = follower, params) do
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with { :ok, %User{} = unfollowed } <- get_user(params),
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{ :ok, follower, follow_activity } <- User.unfollow(follower, unfollowed),
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{ :ok, _activity } <- ActivityPub.insert(%{
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"type" => "Undo",
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"actor" => follower.ap_id,
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"object" => follow_activity.data["id"], # get latest Follow for these users
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"published" => make_date()
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})
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do
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{ :ok, follower, unfollowed }
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else
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err -> err
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end
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end
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def block(%User{} = blocker, params) do
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with {:ok, %User{} = blocked} <- get_user(params),
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{:ok, blocker} <- User.block(blocker, blocked)
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do
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{:ok, blocker, blocked}
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else
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err -> err
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end
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end
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def unblock(%User{} = blocker, params) do
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with {:ok, %User{} = blocked} <- get_user(params),
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{:ok, blocker} <- User.unblock(blocker, blocked)
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do
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{:ok, blocker, blocked}
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else
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err -> err
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end
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end
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def repeat(%User{} = user, ap_id_or_id) do
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with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.repeat(ap_id_or_id, user),
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%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
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status <- activity_to_status(activity, %{for: user}) do
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{:ok, status}
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end
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end
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def fav(%User{} = user, ap_id_or_id) do
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with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
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%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
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status <- activity_to_status(activity, %{for: user}) do
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{:ok, status}
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end
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end
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def unfav(%User{} = user, ap_id_or_id) do
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with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
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%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
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status <- activity_to_status(activity, %{for: user}) do
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{:ok, status}
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end
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end
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def upload(%Plug.Upload{} = file, format \\ "xml") do
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{:ok, object} = ActivityPub.upload(file)
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url = List.first(object.data["url"])
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href = url["href"]
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type = url["mediaType"]
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case format do
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"xml" ->
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# Fake this as good as possible...
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"""
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<?xml version="1.0" encoding="UTF-8"?>
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<rsp stat="ok" xmlns:atom="http://www.w3.org/2005/Atom">
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<mediaid>#{object.id}</mediaid>
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<media_id>#{object.id}</media_id>
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<media_id_string>#{object.id}</media_id_string>
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<media_url>#{href}</media_url>
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<mediaurl>#{href}</mediaurl>
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<atom:link rel="enclosure" href="#{href}" type="#{type}"></atom:link>
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</rsp>
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"""
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"json" ->
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%{
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media_id: object.id,
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media_id_string: "#{object.id}}",
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media_url: href,
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size: 0
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} |> Poison.encode!
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end
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end
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def register_user(params) do
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params = %{
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nickname: params["nickname"],
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name: params["fullname"],
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bio: params["bio"],
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email: params["email"],
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password: params["password"],
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password_confirmation: params["confirm"]
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}
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changeset = User.register_changeset(%User{}, params)
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with {:ok, user} <- Repo.insert(changeset) do
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{:ok, user}
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else
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{:error, changeset} ->
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errors = Ecto.Changeset.traverse_errors(changeset, fn {msg, _opts} -> msg end)
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|> Poison.encode!
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{:error, %{error: errors}}
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end
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end
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def get_by_id_or_nickname(id_or_nickname) do
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if !is_integer(id_or_nickname) && :error == Integer.parse(id_or_nickname) do
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Repo.get_by(User, nickname: id_or_nickname)
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else
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Repo.get(User, id_or_nickname)
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end
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end
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def get_user(user \\ nil, params) do
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case params do
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%{"user_id" => user_id} ->
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case target = get_by_id_or_nickname(user_id) do
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nil ->
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{:error, "No user with such user_id"}
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_ ->
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{:ok, target}
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end
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%{"screen_name" => nickname} ->
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case target = Repo.get_by(User, nickname: nickname) do
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nil ->
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{:error, "No user with such screen_name"}
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_ ->
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{:ok, target}
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end
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_ ->
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if user do
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{:ok, user}
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else
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{:error, "You need to specify screen_name or user_id"}
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end
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end
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end
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defp parse_int(string, default \\ nil)
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defp parse_int(string, default) when is_binary(string) do
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with {n, _} <- Integer.parse(string) do
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n
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else
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_e -> default
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end
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end
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defp parse_int(_, default), do: default
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def search(user, %{"q" => query} = params) do
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limit = parse_int(params["rpp"], 20)
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page = parse_int(params["page"], 1)
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offset = (page - 1) * limit
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q = from a in Activity,
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where: fragment("?->>'type' = 'Create'", a.data),
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where: fragment("to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)", a.data, ^query),
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limit: ^limit,
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offset: ^offset,
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order_by: [desc: :inserted_at] # this one isn't indexed so psql won't take the wrong index.
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activities = Repo.all(q)
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activities_to_statuses(activities, %{for: user})
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end
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defp activities_to_statuses(activities, opts) do
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Enum.map(activities, fn(activity) ->
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activity_to_status(activity, opts)
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end)
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end
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# For likes, fetch the liked activity, too.
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defp activity_to_status(%Activity{data: %{"type" => "Like"}} = activity, opts) do
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actor = get_in(activity.data, ["actor"])
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user = User.get_cached_by_ap_id(actor)
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[liked_activity] = Activity.all_by_object_ap_id(activity.data["object"])
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ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, liked_activity: liked_activity}))
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end
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# For announces, fetch the announced activity and the user.
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defp activity_to_status(%Activity{data: %{"type" => "Announce"}} = activity, opts) do
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actor = get_in(activity.data, ["actor"])
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user = User.get_cached_by_ap_id(actor)
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[announced_activity] = Activity.all_by_object_ap_id(activity.data["object"])
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announced_actor = User.get_cached_by_ap_id(announced_activity.data["actor"])
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ActivityRepresenter.to_map(activity, Map.merge(opts, %{users: [user, announced_actor], announced_activity: announced_activity}))
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end
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defp activity_to_status(%Activity{data: %{"type" => "Delete"}} = activity, opts) do
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actor = get_in(activity.data, ["actor"])
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user = User.get_cached_by_ap_id(actor)
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ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user}))
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end
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defp activity_to_status(activity, opts) do
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actor = get_in(activity.data, ["actor"])
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user = User.get_cached_by_ap_id(actor)
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# mentioned_users = Repo.all(from user in User, where: user.ap_id in ^activity.data["to"])
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mentioned_users = Enum.map(activity.data["to"] || [], fn (ap_id) ->
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if ap_id do
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User.get_cached_by_ap_id(ap_id)
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else
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nil
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end
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end)
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|> Enum.filter(&(&1))
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ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, mentioned: mentioned_users}))
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end
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defp make_date do
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DateTime.utc_now() |> DateTime.to_iso8601
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end
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def context_to_conversation_id(context) do
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with %Object{id: id} <- Object.get_cached_by_ap_id(context) do
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id
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else _e ->
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changeset = Object.context_mapping(context)
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case Repo.insert(changeset) do
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{:ok, %{id: id}} -> id
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# This should be solved by an upsert, but it seems ecto
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# has problems accessing the constraint inside the jsonb.
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{:error, _} -> Object.get_cached_by_ap_id(context).id
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end
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end
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end
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def conversation_id_to_context(id) do
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with %Object{data: %{"id" => context}} <- Repo.get(Object, id) do
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context
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else _e ->
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{:error, "No such conversation"}
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end
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end
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def get_external_profile(for_user, uri) do
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with {:ok, %User{} = user} <- OStatus.find_or_make_user(uri) do
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with url <- user.info["topic"],
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{:ok, %{body: body}} <- @httpoison.get(url, [], follow_redirect: true, timeout: 10000, recv_timeout: 20000) do
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OStatus.handle_incoming(body)
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end
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{:ok, UserView.render("show.json", %{user: user, for: for_user})}
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else _e ->
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{:error, "Couldn't find user"}
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end
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end
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end
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