+ with %Activity{} = activity <- Repo.get(Activity, id),
+ true <- ActivityPub.visible_for_user?(activity, user) do
+ render(conn, StatusView, "status.json", %{activity: activity, for: user})
+ end
+ end
+
+ def get_context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
+ with %Activity{} = activity <- Repo.get(Activity, id),
+ activities <-
+ ActivityPub.fetch_activities_for_context(activity.data["context"], %{
+ "blocking_user" => user,
+ "user" => user
+ }),
+ activities <-
+ activities |> Enum.filter(fn %{id: aid} -> to_string(aid) != to_string(id) end),
+ activities <-
+ activities |> Enum.filter(fn %{data: %{"type" => type}} -> type == "Create" end),
+ grouped_activities <- Enum.group_by(activities, fn %{id: id} -> id < activity.id end) do
+ result = %{
+ ancestors:
+ StatusView.render(
+ "index.json",
+ for: user,
+ activities: grouped_activities[true] || [],
+ as: :activity
+ )
+ |> Enum.reverse(),
+ descendants:
+ StatusView.render(
+ "index.json",
+ for: user,
+ activities: grouped_activities[false] || [],
+ as: :activity
+ )
+ |> Enum.reverse()
+ }
+
+ json(conn, result)
+ end
+ end
+
+ def post_status(%{assigns: %{user: user}} = conn, %{"status" => _} = params) do
+ params =
+ params
+ |> Map.put("in_reply_to_status_id", params["in_reply_to_id"])
+ |> Map.put("no_attachment_links", true)
+
+ {:ok, activity} = CommonAPI.post(user, params)
+ render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
+ end
+
+ def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
+ with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
+ json(conn, %{})
+ else
+ _e ->
+ conn
+ |> put_status(403)
+ |> json(%{error: "Can't delete this post"})
+ end
+ end
+
+ def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
+ with {:ok, announce, _activity} = CommonAPI.repeat(ap_id_or_id, user) do
+ render(conn, StatusView, "status.json", %{activity: announce, for: user, as: :activity})
+ end
+ end
+
+ def fav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
+ with {:ok, _fav, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
+ %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
+ render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
+ end
+ end
+
+ def unfav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
+ with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
+ %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
+ render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
+ end
+ end
+
+ def notifications(%{assigns: %{user: user}} = conn, params) do
+ notifications = Notification.for_user(user, params)
+
+ result =
+ Enum.map(notifications, fn x ->
+ render_notification(user, x)
+ end)
+ |> Enum.filter(& &1)
+
+ conn
+ |> add_link_headers(:notifications, notifications)
+ |> json(result)
+ end
+
+ def get_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
+ with {:ok, notification} <- Notification.get(user, id) do
+ json(conn, render_notification(user, notification))
+ else
+ {:error, reason} ->
+ conn
+ |> put_resp_content_type("application/json")
+ |> send_resp(403, Jason.encode!(%{"error" => reason}))
+ end
+ end
+
+ def clear_notifications(%{assigns: %{user: user}} = conn, _params) do
+ Notification.clear(user)
+ json(conn, %{})
+ end
+
+ def dismiss_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
+ with {:ok, _notif} <- Notification.dismiss(user, id) do
+ json(conn, %{})
+ else
+ {:error, reason} ->
+ conn
+ |> put_resp_content_type("application/json")
+ |> send_resp(403, Jason.encode!(%{"error" => reason}))
+ end
+ end
+
+ def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
+ id = List.wrap(id)
+ q = from(u in User, where: u.id in ^id)
+ targets = Repo.all(q)
+ render(conn, AccountView, "relationships.json", %{user: user, targets: targets})
+ end
+
+ def upload(%{assigns: %{user: _}} = conn, %{"file" => file}) do
+ with {:ok, object} <- ActivityPub.upload(file) do
+ data =
+ object.data
+ |> Map.put("id", object.id)
+
+ render(conn, StatusView, "attachment.json", %{attachment: data})
+ end
+ end
+
+ def favourited_by(conn, %{"id" => id}) do
+ with %Activity{data: %{"object" => %{"likes" => likes}}} <- Repo.get(Activity, id) do
+ q = from(u in User, where: u.ap_id in ^likes)
+ users = Repo.all(q)
+ render(conn, AccountView, "accounts.json", %{users: users, as: :user})
+ else
+ _ -> json(conn, [])
+ end
+ end
+
+ def reblogged_by(conn, %{"id" => id}) do
+ with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
+ q = from(u in User, where: u.ap_id in ^announces)
+ users = Repo.all(q)
+ render(conn, AccountView, "accounts.json", %{users: users, as: :user})
+ else
+ _ -> json(conn, [])
+ end
+ end
+
+ def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
+ params =
+ params
+ |> Map.put("type", "Create")
+ |> Map.put("local_only", !!params["local"])
+ |> Map.put("blocking_user", user)
+
+ activities =
+ ActivityPub.fetch_public_activities(params)
+ |> Enum.reverse()
+
+ conn
+ |> add_link_headers(:hashtag_timeline, activities, params["tag"])
+ |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
+ end
+
+ # TODO: Pagination
+ def followers(conn, %{"id" => id}) do
+ with %User{} = user <- Repo.get(User, id),
+ {:ok, followers} <- User.get_followers(user) do
+ render(conn, AccountView, "accounts.json", %{users: followers, as: :user})
+ end
+ end
+
+ def following(conn, %{"id" => id}) do
+ with %User{} = user <- Repo.get(User, id),
+ {:ok, followers} <- User.get_friends(user) do
+ render(conn, AccountView, "accounts.json", %{users: followers, as: :user})
+ end
+ end
+
+ def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
+ with %User{} = followed <- Repo.get(User, id),
+ {:ok, follower} <- User.follow(follower, followed),
+ {:ok, _activity} <- ActivityPub.follow(follower, followed) do
+ render(conn, AccountView, "relationship.json", %{user: follower, target: followed})
+ else
+ {:error, message} ->
+ conn
+ |> put_resp_content_type("application/json")
+ |> send_resp(403, Jason.encode!(%{"error" => message}))
+ end
+ end
+
+ def follow(%{assigns: %{user: follower}} = conn, %{"uri" => uri}) do
+ with %User{} = followed <- Repo.get_by(User, nickname: uri),
+ {:ok, follower} <- User.follow(follower, followed),
+ {:ok, _activity} <- ActivityPub.follow(follower, followed) do
+ render(conn, AccountView, "account.json", %{user: followed})
+ else
+ {:error, message} ->
+ conn
+ |> put_resp_content_type("application/json")
+ |> send_resp(403, Jason.encode!(%{"error" => message}))
+ end
+ end
+
+ # TODO: Clean up and unify
+ def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
+ with %User{} = followed <- Repo.get(User, id),
+ {:ok, follower, follow_activity} <- User.unfollow(follower, followed),
+ {:ok, _activity} <-
+ ActivityPub.insert(%{
+ "type" => "Undo",
+ "actor" => follower.ap_id,
+ # get latest Follow for these users
+ "object" => follow_activity.data["id"]
+ }) do
+ render(conn, AccountView, "relationship.json", %{user: follower, target: followed})
+ end
+ end
+
+ def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
+ with %User{} = blocked <- Repo.get(User, id),
+ {:ok, blocker} <- User.block(blocker, blocked) do
+ render(conn, AccountView, "relationship.json", %{user: blocker, target: blocked})
+ else
+ {:error, message} ->
+ conn
+ |> put_resp_content_type("application/json")
+ |> send_resp(403, Jason.encode!(%{"error" => message}))
+ end
+ end
+
+ def unblock(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
+ with %User{} = blocked <- Repo.get(User, id),
+ {:ok, blocker} <- User.unblock(blocker, blocked) do
+ render(conn, AccountView, "relationship.json", %{user: blocker, target: blocked})
+ else
+ {:error, message} ->
+ conn
+ |> put_resp_content_type("application/json")
+ |> send_resp(403, Jason.encode!(%{"error" => message}))
+ end
+ end
+
+ # TODO: Use proper query
+ def blocks(%{assigns: %{user: user}} = conn, _) do
+ with blocked_users <- user.info["blocks"] || [],
+ accounts <- Enum.map(blocked_users, fn ap_id -> User.get_cached_by_ap_id(ap_id) end) do
+ res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
+ json(conn, res)