Mango/src/util/util.cr
2020-07-23 17:15:40 +00:00

63 lines
1.2 KiB
Crystal

IMGS_PER_PAGE = 5
UPLOAD_URL_PREFIX = "/uploads"
STATIC_DIRS = ["/css", "/js", "/img", "/favicon.ico"]
def random_str
UUID.random.to_s.gsub "-", ""
end
# Works in all Unix systems. Follows https://github.com/crystal-lang/crystal/
# blob/master/src/crystal/system/unix/file_info.cr#L42-L48
def ctime(file_path : String) : Time
res = LibC.stat(file_path, out stat)
raise "Unable to get ctime of file #{file_path}" if res != 0
{% if flag?(:darwin) %}
Time.new stat.st_ctimespec, Time::Location::UTC
{% else %}
Time.new stat.st_ctim, Time::Location::UTC
{% end %}
end
def register_mime_types
{
".zip" => "application/zip",
".rar" => "application/x-rar-compressed",
".cbz" => "application/vnd.comicbook+zip",
".cbr" => "application/vnd.comicbook-rar",
}.each do |k, v|
MIME.register k, v
end
end
struct Int
def or(other : Int)
if self == 0
other
else
self
end
end
end
struct Nil
def or(other : Int)
other
end
end
macro use_default
def self.default : self
unless @@default
@@default = new
end
@@default.not_nil!
end
end
class String
def alphanumeric_underscore?
self.chars.all? { |c| c.alphanumeric? || c == '_' }
end
end