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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
use Pleroma.Web, :controller
import Pleroma.Web.ControllerHelper, only: [add_link_headers: 2]
alias Pleroma.Activity
alias Pleroma.Conversation.Participation
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.Plugs.OAuthScopesPlug
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.MastodonAPI.AccountView
alias Pleroma.Web.MastodonAPI.ConversationView
alias Pleroma.Web.MastodonAPI.NotificationView
alias Pleroma.Web.MastodonAPI.StatusView
plug(
OAuthScopesPlug,
%{scopes: ["read:statuses"]}
when action in [:conversation, :conversation_statuses]
)
plug(
OAuthScopesPlug,
%{scopes: ["write:statuses"]}
when action in [:react_with_emoji, :unreact_with_emoji]
)
plug(
OAuthScopesPlug,
%{scopes: ["write:conversations"]} when action == :update_conversation
)
plug(OAuthScopesPlug, %{scopes: ["write:notifications"]} when action == :read_notification)
plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
def emoji_reactions_by(%{assigns: %{user: user}} = conn, %{"id" => activity_id} = params) do
with %Activity{} = activity <- Activity.get_by_id_with_object(activity_id),
%Object{data: %{"reactions" => emoji_reactions}} when is_list(emoji_reactions) <-
Object.normalize(activity) do
reactions =
emoji_reactions
|> Enum.map(fn [emoji, user_ap_ids] ->
if params["emoji"] && params["emoji"] != emoji do
nil
else
users =
Enum.map(user_ap_ids, &User.get_cached_by_ap_id/1)
|> Enum.filter(& &1)
%{
name: emoji,
count: length(users),
accounts: AccountView.render("index.json", %{users: users, for: user, as: :user}),
me: !!(user && user.ap_id in user_ap_ids)
}
end
end)
|> Enum.filter(& &1)
conn
|> json(reactions)
else
_e ->
conn
|> json([])
end
end
def react_with_emoji(%{assigns: %{user: user}} = conn, %{"id" => activity_id, "emoji" => emoji}) do
with {:ok, _activity, _object} <- CommonAPI.react_with_emoji(activity_id, user, emoji),
activity <- Activity.get_by_id(activity_id) do
conn
|> put_view(StatusView)
|> render("show.json", %{activity: activity, for: user, as: :activity})
end
end
def unreact_with_emoji(%{assigns: %{user: user}} = conn, %{
"id" => activity_id,
"emoji" => emoji
}) do
with {:ok, _activity, _object} <- CommonAPI.unreact_with_emoji(activity_id, user, emoji),
activity <- Activity.get_by_id(activity_id) do
conn
|> put_view(StatusView)
|> render("show.json", %{activity: activity, for: user, as: :activity})
end
end
def conversation(%{assigns: %{user: user}} = conn, %{"id" => participation_id}) do
with %Participation{} = participation <- Participation.get(participation_id),
true <- user.id == participation.user_id do
conn
|> put_view(ConversationView)
|> render("participation.json", %{participation: participation, for: user})
else
_error ->
conn
|> put_status(404)
|> json(%{"error" => "Unknown conversation id"})
end
end
def conversation_statuses(
%{assigns: %{user: user}} = conn,
%{"id" => participation_id} = params
) do
with %Participation{} = participation <-
Participation.get(participation_id, preload: [:conversation]),
true <- user.id == participation.user_id do
params =
params
|> Map.put("blocking_user", user)
|> Map.put("muting_user", user)
|> Map.put("user", user)
activities =
participation.conversation.ap_id
|> ActivityPub.fetch_activities_for_context(params)
|> Enum.reverse()
conn
|> add_link_headers(activities)
|> put_view(StatusView)
|> render("index.json", %{activities: activities, for: user, as: :activity})
else
_error ->
conn
|> put_status(404)
|> json(%{"error" => "Unknown conversation id"})
end
end
def update_conversation(
%{assigns: %{user: user}} = conn,
%{"id" => participation_id, "recipients" => recipients}
) do
with %Participation{} = participation <- Participation.get(participation_id),
true <- user.id == participation.user_id,
{:ok, participation} <- Participation.set_recipients(participation, recipients) do
conn
|> put_view(ConversationView)
|> render("participation.json", %{participation: participation, for: user})
else
{:error, message} ->
conn
|> put_status(:bad_request)
|> json(%{"error" => message})
_error ->
conn
|> put_status(404)
|> json(%{"error" => "Unknown conversation id"})
end
end
def read_conversations(%{assigns: %{user: user}} = conn, _params) do
with {:ok, _, participations} <- Participation.mark_all_as_read(user) do
conn
|> add_link_headers(participations)
|> put_view(ConversationView)
|> render("participations.json", participations: participations, for: user)
end
end
def read_notification(%{assigns: %{user: user}} = conn, %{"id" => notification_id}) do
with {:ok, notification} <- Notification.read_one(user, notification_id) do
conn
|> put_view(NotificationView)
|> render("show.json", %{notification: notification, for: user})
else
{:error, message} ->
conn
|> put_status(:bad_request)
|> json(%{"error" => message})
end
end
def read_notification(%{assigns: %{user: user}} = conn, %{"max_id" => max_id}) do
with notifications <- Notification.set_read_up_to(user, max_id) do
notifications = Enum.take(notifications, 80)
conn
|> put_view(NotificationView)
|> render("index.json", %{notifications: notifications, for: user})
end
end
end
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