Commit 1cea97df authored by Ivan Tashkinov's avatar Ivan Tashkinov
Browse files

[#394] Refactoring of User.tag and User.untag (removed User.tag_or_untag etc.)

parent 6ed5044c
......@@ -822,39 +822,40 @@ def parse_bio(bio, user \\ %User{info: %{source_data: %{}}}) do
CommonUtils.format_input(bio, mentions, tags, "text/plain") |> Formatter.emojify(emoji)
end
def tag(user_identifiers, tags), do: tag_or_untag(user_identifiers, tags, :tag)
def tag(user_identifiers, tags) when is_list(user_identifiers) do
Repo.transaction(fn ->
for user_identifier <- user_identifiers, do: tag(user_identifier, tags)
end)
end
def untag(user_identifiers, tags), do: tag_or_untag(user_identifiers, tags, :untag)
def untag(user_identifiers, tags) when is_list(user_identifiers) do
Repo.transaction(fn ->
for user_identifier <- user_identifiers, do: untag(user_identifier, tags)
end)
end
defp tag_or_untag(user_identifier, tags, action) when not is_list(user_identifier),
do: tag_or_untag([user_identifier], tags, action)
def tag(nickname, tags) when is_binary(nickname), do: tag(User.get_by_nickname(nickname), tags)
defp tag_or_untag([hd | _] = nicknames, tags, action) when is_binary(hd) do
users = Repo.all(from(u in User, where: u.nickname in ^nicknames))
def untag(nickname, tags) when is_binary(nickname),
do: untag(User.get_by_nickname(nickname), tags)
if length(users) == length(nicknames) do
tag_or_untag(users, tags, action)
else
{:error, :not_found}
end
end
def tag(%User{} = user, tags),
do: update_tags(user, Enum.uniq(user.tags ++ normalize_tags(tags)))
defp tag_or_untag([hd | _] = users, tags, action) when is_map(hd) do
tags =
[tags]
|> List.flatten()
|> Enum.map(&String.downcase(&1))
def untag(%User{} = user, tags), do: update_tags(user, user.tags -- normalize_tags(tags))
multi =
Enum.reduce(users, Multi.new(), fn user, multi ->
new_tags = mutate_tags(user, tags, action)
Multi.update(multi, {:user, user.id}, change(user, %{tags: new_tags}))
end)
defp update_tags(%User{} = user, new_tags) do
{:ok, updated_user} =
user
|> change(%{tags: new_tags})
|> Repo.update()
Repo.transaction(multi)
updated_user
end
defp mutate_tags(user, tags, :tag), do: Enum.uniq(user.tags ++ tags)
defp mutate_tags(user, tags, :untag), do: user.tags -- tags
defp normalize_tags(tags) do
[tags]
|> List.flatten()
|> Enum.map(&String.downcase(&1))
end
end
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