Template:WeaponBreadcrumbs

local p = {}

function p.render(frame)

 local Html = mw.html
 local titleObj = mw.title.getCurrentTitle()
 local currentTitle = titleObj.text

 local rows = mw.ext.externalData.getExternalData({
   source = "externaldb",
   from = "data_weapons",
   where = "page_title='" .. currentTitle:gsub("'", "") .. "'",
   data = "category_1=category_1,category_2=category_2,category_3=category_3"
 })

 local cat1, cat2, cat3
 if rows and #rows > 0 then
   cat1 = rows[1].category_1 or 
   cat2 = rows[1].category_2 or 
   cat3 = rows[1].category_3 or currentTitle
 else
   cat1 = 'Weapons'
   cat2 = 'Uncategorized'
   cat3 = currentTitle
 end

 local html = Html.create('div'):addClass('dune-breadcrumb-nav')

 html:tag('a')
   :attr('id', 'duneLogoBtn')
   :addClass('dune-logo-btn')
   :tag('img')
     :attr('src', 'https://dunedb.com/images/9/99/HomeNavIcon.png')
     :attr('alt', 'DuneDB Logo')
     :addClass('dune-logo')
   :done()
 :done()

 html:tag('a')
   :attr('href', 'https://dunedb.com/Main_Page')
   :addClass('breadcrumb-home-link')
   :wikitext('Home')
 :done()

 local function addCrumb(label)
   html:tag('span'):addClass('dune-breadcrumb-separator'):wikitext('/'):done()
   html:tag('a')
     :attr('href', 'https://dunedb.com/wiki/' .. mw.uri.encode(label, 'PATH'))
     :wikitext(label)
   :done()
 end

 if cat1 ~=  then addCrumb(cat1) end
 if cat