Module:Sandbox/GreenC/getcategory

Documentation for this module may be created at Module:Sandbox/GreenC/getcategory/doc

-- Find the date of birth/death from [[Category:XXXX births]]
-- Doesn't preserve AD, BC, ca. etc..

local p = {}

function p.getcategory(frame)

  local pframe = frame:getParent()
  local args = pframe.args
  
  -- Load the page
  t = mw.title.getCurrentTitle()
  pagetext = t:getContent()
  if pagetext == nil then 
    return ""
  end

  -- Remove false positives
  pagetext = mw.ustring.gsub( mw.ustring.gsub(pagetext, "<!--.--->", ""), "<nowiki>.-</nowiki>", "")

  -- Scrape for the Category and find date
  local birthcheck = mw.ustring.match(pagetext, "%[%[%s-[Cc]ategory:%s-%d+%.?%d*%s-births%s-%]%]" )
  if birthcheck ~= nil then
    birthcat = mw.ustring.match(birthcheck, "%d+%.?%d*")
  else
    birthcat = "Unknown"
  end

  local deathcheck = mw.ustring.match(pagetext, "%[%[%s-[Cc]ategory:%s-%d+%.?%d*%s-deaths%s-%]%]" )
  if deathcheck ~= nil then
    deathcat = mw.ustring.match(deathcheck, "%d+%.?%d*")
  else
    deathcat = "Unknown"
  end

  return birthcat .. "-" .. deathcat
 
end

return p