312 lines
9.5 KiB
Elixir
312 lines
9.5 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
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alias Pleroma.Formatter
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import Pleroma.Web.TwitterAPI.Utils
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@httpoison Application.get_env(:pleroma, :httpoison)
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def to_for_user_and_mentions(user, mentions, inReplyTo) do
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default_to = [
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User.ap_followers(user),
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"https://www.w3.org/ns/activitystreams#Public"
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]
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to = default_to ++ Enum.map(mentions, fn ({_, %{ap_id: ap_id}}) -> ap_id end)
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if inReplyTo do
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Enum.uniq([inReplyTo.data["actor"] | to])
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else
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to
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end
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end
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def get_replied_to_activity(id) when not is_nil(id) do
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Repo.get(Activity, id)
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end
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def get_replied_to_activity(_), do: nil
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def create_status(%User{} = user, %{"status" => status} = data) do
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with attachments <- attachments_from_ids(data["media_ids"]),
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mentions <- Formatter.parse_mentions(status),
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inReplyTo <- get_replied_to_activity(data["in_reply_to_status_id"]),
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to <- to_for_user_and_mentions(user, mentions, inReplyTo),
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content_html <- make_content_html(status, mentions, attachments),
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context <- make_context(inReplyTo),
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tags <- Formatter.parse_tags(status),
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object <- make_note_data(user.ap_id, to, context, content_html, attachments, inReplyTo, tags) do
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ActivityPub.create(to, user, context, object)
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end
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end
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def fetch_friend_statuses(user, opts \\ %{}) do
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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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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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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),
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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 favorite(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
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object = Object.get_by_ap_id(object["id"])
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{:ok, _like_activity, object} = ActivityPub.like(user, object)
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new_data = activity.data
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|> Map.put("object", object.data)
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status = %{activity | data: new_data}
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|> activity_to_status(%{for: user})
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{:ok, status}
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end
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def unfavorite(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
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object = Object.get_by_ap_id(object["id"])
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{:ok, object} = ActivityPub.unlike(user, object)
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new_data = activity.data
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|> Map.put("object", object.data)
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status = %{activity | data: new_data}
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|> activity_to_status(%{for: user})
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{:ok, status}
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end
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def retweet(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
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object = Object.get_by_ap_id(object["id"])
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{:ok, _announce_activity, object} = ActivityPub.announce(user, object)
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new_data = activity.data
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|> Map.put("object", object.data)
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status = %{activity | data: new_data}
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|> activity_to_status(%{for: user})
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{:ok, status}
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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 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, 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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User.get_cached_by_ap_id(ap_id)
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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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{:ok, %{id: id}} = Repo.insert(changeset)
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id
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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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