- @doc """
- Escapes a special characters in mention names.
- """
- @spec mentions_escape(String.t(), list({String.t(), any()})) :: String.t()
- def mentions_escape(text, mentions) do
- mentions
- |> Enum.reduce(text, fn {name, _}, acc ->
- escape_name = String.replace(name, @markdown_characters_regex, "\\\\\\1")
- String.replace(acc, name, escape_name)
- end)
- end
-
- @doc "changes scheme:... urls to html links"
- def add_links({subs, text}) do
- links =
- text
- |> String.split([" ", "\t", "<br>"])
- |> Enum.filter(fn word -> String.starts_with?(word, @valid_schemes) end)
- |> Enum.filter(fn word -> Regex.match?(@link_regex, word) end)
- |> Enum.map(fn url -> {Ecto.UUID.generate(), url} end)
- |> Enum.sort_by(fn {_, url} -> -String.length(url) end)
-
- uuid_text =
- links
- |> Enum.reduce(text, fn {uuid, url}, acc -> String.replace(acc, url, uuid) end)
-
- subs =
- subs ++
- Enum.map(links, fn {uuid, url} ->
- {uuid, "<a href=\"#{url}\">#{url}</a>"}
- end)
-
- {subs, uuid_text}
- end
-
- @doc "Adds the links to mentioned users"
- def add_user_links({subs, text}, mentions) do
- mentions =
- mentions
- |> Enum.sort_by(fn {name, _} -> -String.length(name) end)
- |> Enum.map(fn {name, user} -> {name, user, Ecto.UUID.generate()} end)
-
- uuid_text =
- mentions
- |> Enum.reduce(text, fn {match, _user, uuid}, text ->
- String.replace(text, match, uuid)
- end)
-
- subs =
- subs ++
- Enum.map(mentions, fn {match, %User{id: id, ap_id: ap_id, info: info}, uuid} ->
- ap_id =
- if is_binary(info.source_data["url"]) do
- info.source_data["url"]
- else
- ap_id
- end
-
- short_match = String.split(match, "@") |> tl() |> hd()
-
- {uuid,
- "<span class='h-card'><a data-user='#{id}' class='u-url mention' href='#{ap_id}'>@<span>#{
- short_match
- }</span></a></span>"}
- end)
-
- {subs, uuid_text}
- end
-
- @doc "Adds the hashtag links"
- def add_hashtag_links({subs, text}, tags) do
- tags =
- tags
- |> Enum.sort_by(fn {name, _} -> -String.length(name) end)
- |> Enum.map(fn {name, short} -> {name, short, Ecto.UUID.generate()} end)
-
- uuid_text =
- tags
- |> Enum.reduce(text, fn {match, _short, uuid}, text ->
- String.replace(text, ~r/((?<=[^&])|(\A))#{match}/, uuid)
- end)
-
- subs =
- subs ++
- Enum.map(tags, fn {tag_text, tag, uuid} ->
- url =
- "<a class='hashtag' data-tag='#{tag}' href='#{Pleroma.Web.base_url()}/tag/#{tag}' rel='tag'>#{
- tag_text
- }</a>"
-
- {uuid, url}
- end)
-
- {subs, uuid_text}
- end
-
- def finalize({subs, text}) do
- Enum.reduce(subs, text, fn {uuid, replacement}, result_text ->
- String.replace(result_text, uuid, replacement)
- end)
- end
-