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[#413] fix parse mentions

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Maksim 2018-12-20 09:35:01 +00:00 • committed by kaniini
commit f1b93b5be7
2 changed files with 16 additions and 9 deletions
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16
lib/pleroma/formatter.ex
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@ -7,6 +7,9 @@ defmodule Pleroma.Formatter do
@tag_regex ~r/((?<=[^&])|\A)(\#)(\w+)/u
@markdown_characters_regex ~r/(`|\*|_|{|}|[|]|\(|\)|#|\+|-|\.|!)/
# Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
@mentions_regex ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[a-zA-Z0-9_-](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/u
def parse_tags(text, data \\ %{}) do
Regex.scan(@tag_regex, text)
|> Enum.map(fn ["#" <> tag = full_tag | _] -> {full_tag, String.downcase(tag)} end)
@ -17,16 +20,15 @@ defmodule Pleroma.Formatter do
end).()
end
@doc "Parses mentions text and returns list {nickname, user}."
@spec parse_mentions(binary()) :: list({binary(), User.t()})
def parse_mentions(text) do
# Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
regex =
~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[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])?)*/u
Regex.scan(regex, text)
Regex.scan(@mentions_regex, text)
|> List.flatten()
|> Enum.uniq()
|> Enum.map(fn "@" <> match = full_match ->
{full_match, User.get_cached_by_nickname(match)}
|> Enum.map(fn nickname ->
with nickname <- String.trim_leading(nickname, "@"),
do: {"@" <> nickname, User.get_cached_by_nickname(nickname)}
end)
|> Enum.filter(fn {_match, user} -> user end)
end