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lib/sitemap/funcs.ex
defmodule Sitemap.Funcs do
def iso8601 do
{{yy, mm, dd}, {hh, mi, ss}} = :calendar.universal_time
iso8601(yy, mm, dd, hh, mi, ss)
end
def iso8601(yy, mm, dd, hh, mi, ss) do
"~4.10.0B-~2.10.0B-~2.10.0BT~2.10.0B:~2.10.0B:~2.10.0BZ"
|> :io_lib.format([yy, mm, dd, hh, mi, ss])
|> IO.iodata_to_binary
end
def eraser(elements) do
Enum.filter elements, fn elm ->
case elm do
e when is_list(e) -> eraser(e)
nil -> false
_ -> !!elem(elm, 2)
end
end
end
def yes_no(bool) do
if bool == false, do: "no", else: "yes"
end
def allow_deny(bool) do
if bool == false, do: "deny", else: "allow"
end
def autoplay(bool) do
if bool, do: "ap=1", else: "ap=0"
end
def getenv(key) do
case System.get_env(key) do
"false" -> false
"true" -> true
x -> x
end
end
def nil_or(opts), do: nil_or(opts, "")
def nil_or([], value), do: value
def nil_or([h|t], _value) do
case h do
v when is_nil(v) -> nil_or(t, "")
v -> nil_or([], v)
end
end
end