+
+ def get_by_nickname(nickname) do
+ Repo.get_by(User, nickname: nickname)
+ end
+
+ def get_cached_user_info(user) do
+ key = "user_info:#{user.id}"
+ Cachex.get!(:user_cache, key, fallback: fn(_) -> user_info(user) end)
+ end
+
+ def fetch_by_nickname(nickname) do
+ ap_try = ActivityPub.make_user_from_nickname(nickname)
+
+ case ap_try do
+ {:ok, user} -> {:ok, user}
+ _ -> OStatus.make_user(nickname)
+ end
+ end
+
+ def get_or_fetch_by_nickname(nickname) do
+ with %User{} = user <- get_by_nickname(nickname) do
+ user
+ else _e ->
+ with [_nick, _domain] <- String.split(nickname, "@"),
+ {:ok, user} <- fetch_by_nickname(nickname) do
+ user
+ else _e -> nil
+ end
+ end
+ end
+
+ # TODO: these queries could be more efficient if the type in postgresql wasn't map, but array.
+ def get_followers(%User{id: id, follower_address: follower_address}) do
+ q = from u in User,
+ where: fragment("? @> ?", u.following, ^follower_address ),
+ where: u.id != ^id
+
+ {:ok, Repo.all(q)}
+ end
+
+ def get_friends(%User{id: id, following: following}) do
+ q = from u in User,
+ where: u.follower_address in ^following,
+ where: u.id != ^id
+
+ {:ok, Repo.all(q)}
+ end
+
+ def increase_note_count(%User{} = user) do
+ note_count = (user.info["note_count"] || 0) + 1
+ new_info = Map.put(user.info, "note_count", note_count)
+
+ cs = info_changeset(user, %{info: new_info})
+
+ update_and_set_cache(cs)
+ end
+
+ def update_note_count(%User{} = user) do
+ note_count_query = from a in Object,
+ where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
+ select: count(a.id)
+
+ note_count = Repo.one(note_count_query)
+
+ new_info = Map.put(user.info, "note_count", note_count)
+
+ cs = info_changeset(user, %{info: new_info})
+
+ update_and_set_cache(cs)
+ end
+
+ def update_follower_count(%User{} = user) do
+ follower_count_query = from u in User,
+ where: fragment("? @> ?", u.following, ^user.follower_address),
+ where: u.id != ^user.id,
+ select: count(u.id)
+
+ follower_count = Repo.one(follower_count_query)
+
+ new_info = Map.put(user.info, "follower_count", follower_count)
+
+ cs = info_changeset(user, %{info: new_info})
+
+ update_and_set_cache(cs)
+ end
+
+ def get_notified_from_activity(%Activity{recipients: to}) do
+ query = from u in User,
+ where: u.ap_id in ^to,
+ where: u.local == true
+
+ Repo.all(query)
+ end
+
+ def get_recipients_from_activity(%Activity{recipients: to}) do
+ query = from u in User,
+ where: u.ap_id in ^to,
+ or_where: fragment("? \\\?| ?", u.following, ^to)
+
+ query = from u in query,
+ where: u.local == true
+
+ Repo.all(query)
+ end
+
+ def search(query, resolve) do
+ if resolve do
+ User.get_or_fetch_by_nickname(query)
+ end
+ q = from u in User,
+ where: fragment("(to_tsvector('english', ?) || to_tsvector('english', ?)) @@ plainto_tsquery('english', ?)", u.nickname, u.name, ^query),
+ limit: 20
+ Repo.all(q)
+ end
+
+ def block(user, %{ap_id: ap_id}) do
+ blocks = user.info["blocks"] || []
+ new_blocks = Enum.uniq([ap_id | blocks])
+ new_info = Map.put(user.info, "blocks", new_blocks)
+
+ cs = User.info_changeset(user, %{info: new_info})
+ update_and_set_cache(cs)
+ end
+
+ def unblock(user, %{ap_id: ap_id}) do
+ blocks = user.info["blocks"] || []
+ new_blocks = List.delete(blocks, ap_id)
+ new_info = Map.put(user.info, "blocks", new_blocks)
+
+ cs = User.info_changeset(user, %{info: new_info})
+ update_and_set_cache(cs)
+ end
+
+ def blocks?(user, %{ap_id: ap_id}) do
+ blocks = user.info["blocks"] || []
+ Enum.member?(blocks, ap_id)
+ end
+
+ def local_user_query() do
+ from u in User,
+ where: u.local == true
+ end
+
+ def deactivate (%User{} = user) do
+ new_info = Map.put(user.info, "deactivated", true)
+ cs = User.info_changeset(user, %{info: new_info})
+ update_and_set_cache(cs)
+ end
+
+ def delete (%User{} = user) do
+ {:ok, user} = User.deactivate(user)
+
+ # Remove all relationships
+ {:ok, followers } = User.get_followers(user)
+ followers
+ |> Enum.each(fn (follower) -> User.unfollow(follower, user) end)
+
+ {:ok, friends} = User.get_friends(user)
+ friends
+ |> Enum.each(fn (followed) -> User.unfollow(user, followed) end)
+
+ query = from a in Activity,
+ where: a.actor == ^user.ap_id
+
+ Repo.all(query)
+ |> Enum.each(fn (activity) ->
+ case activity.data["type"] do
+ "Create" -> ActivityPub.delete(Object.get_by_ap_id(activity.data["object"]["id"]))
+ _ -> "Doing nothing" # TODO: Do something with likes, follows, repeats.
+ end
+ end)
+
+ :ok
+ end
+
+ def get_or_fetch_by_ap_id(ap_id) do
+ if user = get_by_ap_id(ap_id) do
+ user
+ else
+ with {:ok, user} <- ActivityPub.make_user_from_ap_id(ap_id) do
+ user
+ end
+ end
+ end
+
+ # AP style
+ def public_key_from_info(%{"source_data" => %{"publicKey" => %{"publicKeyPem" => public_key_pem}}}) do
+ key = :public_key.pem_decode(public_key_pem)
+ |> hd()
+ |> :public_key.pem_entry_decode()
+
+ {:ok, key}
+ end
+
+ # OStatus Magic Key
+ def public_key_from_info(%{"magic_key" => magic_key}) do
+ {:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
+ end
+
+ def get_public_key_for_ap_id(ap_id) do
+ with %User{} = user <- get_or_fetch_by_ap_id(ap_id),
+ {:ok, public_key} <- public_key_from_info(user.info) do
+ {:ok, public_key}
+ else
+ _ -> :error
+ end
+ end
+
+ defp blank?(""), do: nil
+ defp blank?(n), do: n
+
+ def insert_or_update_user(data) do
+ data = data
+ |> Map.put(:name, blank?(data[:name]) || data[:nickname])
+ cs = User.remote_user_creation(data)
+ Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
+ end
+
+ def ap_enabled?(%User{info: info}), do: info["ap_enabled"]