293 lines
9.2 KiB
Elixir
293 lines
9.2 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, UserRepresenter}
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import Ecto.Query
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def create_status(user = %User{}, data = %{}) do
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attachments = Enum.map(data["media_ids"] || [], fn (media_id) ->
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Repo.get(Object, media_id).data
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end)
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context = ActivityPub.generate_context_id
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content = HtmlSanitizeEx.strip_tags(data["status"])
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mentions = parse_mentions(content)
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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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content_html = add_user_links(content, mentions)
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date = make_date()
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activity = %{
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"type" => "Create",
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"to" => to,
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"actor" => user.ap_id,
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"object" => %{
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"type" => "Note",
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"to" => to,
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"content" => content_html,
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"published" => date,
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"context" => context,
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"attachment" => attachments,
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"actor" => user.ap_id
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},
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"published" => date,
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"context" => context
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}
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# Wire up reply info.
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activity = with inReplyToId when not is_nil(inReplyToId) <- data["in_reply_to_status_id"],
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inReplyTo <- Repo.get(Activity, inReplyToId),
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context <- inReplyTo.data["context"]
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do
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to = activity["to"] ++ [inReplyTo.data["actor"]]
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activity
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|> put_in(["to"], to)
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|> put_in(["context"], context)
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|> put_in(["object", "context"], context)
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|> put_in(["object", "inReplyTo"], inReplyTo.data["object"]["id"])
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|> put_in(["object", "inReplyToStatusId"], inReplyToId)
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|> put_in(["statusnetConversationId"], inReplyTo.data["statusnetConversationId"])
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|> put_in(["object", "statusnetConversationId"], inReplyTo.data["statusnetConversationId"])
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else _e ->
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activity
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end
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with {:ok, activity} <- ActivityPub.insert(activity) do
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add_conversation_id(activity)
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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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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_conversation(user, id) do
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query = from activity in Activity,
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where: fragment("? @> ?", activity.data, ^%{ statusnetConversationId: id}),
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limit: 1
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with %Activity{} = activity <- Repo.one(query),
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context <- activity.data["context"],
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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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IO.inspect(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, followed_id) do
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with %User{} = followed <- Repo.get(User, followed_id),
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{ :ok, follower } <- User.follow(follower, followed),
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{ :ok, activity } <- ActivityPub.insert(%{
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"type" => "Follow",
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"actor" => follower.ap_id,
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"object" => followed.ap_id,
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"published" => make_date()
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})
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do
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{ :ok, follower, followed, activity }
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end
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end
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def unfollow(%User{} = follower, followed_id) do
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with %User{} = followed <- Repo.get(User, followed_id),
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{ :ok, follower } <- User.unfollow(follower, followed)
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do
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{ :ok, follower, followed }
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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 parse_mentions(text) do
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# Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
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regex = ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@?[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/
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Regex.scan(regex, text)
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|> List.flatten
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|> Enum.uniq
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|> Enum.map(fn ("@" <> match = full_match) -> {full_match, User.get_cached_by_nickname(match)} end)
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|> Enum.filter(fn ({_match, user}) -> user end)
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end
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def add_user_links(text, mentions) do
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Enum.reduce(mentions, text, fn ({match, %User{ap_id: ap_id}}, text) -> String.replace(text, match, "<a href='#{ap_id}'>#{match}</a>") end)
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end
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defp add_conversation_id(activity) do
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if is_integer(activity.data["statusnetConversationId"]) do
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{:ok, activity}
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else
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data = activity.data
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|> put_in(["object", "statusnetConversationId"], activity.id)
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|> put_in(["statusnetConversationId"], activity.id)
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object = Object.get_by_ap_id(activity.data["object"]["id"])
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changeset = Ecto.Changeset.change(object, data: data["object"])
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Repo.update(changeset)
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changeset = Ecto.Changeset.change(activity, data: data)
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Repo.update(changeset)
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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, UserRepresenter.to_map(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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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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end
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