local p = {}
function p.wikidatacheck(frame)
local pframe = frame:getParent()
local config = frame.args -- the arguments passed BY the template, in the wikitext of the template itself
local args = pframe.args -- the arguments passed TO the template, in the wikitext that transcludes the template
local property = config.property
local value = config.value or ""
local catbase = config.category
local namespaces = config.namespaces
local nocatsame = config.nocatsame or ""
local ok = false -- one-way flag to check if we're in a good namespace
local ns = mw.title.getCurrentTitle().namespace
for v in mw.text.gsplit( namespaces, ",", true) do
if tonumber(v) == ns then
ok = true
end
end
if not ok then -- not in one of the approved namespaces
return ""
end
local entity = mw.wikibase.getEntityObject()
if not entity then -- no Wikidata item
return "[[Category:" .. catbase .. " not in Wikidata]]"
end
if value == "" then
return nil -- Using Wikidata
end
local claims = entity.claims or {}
local hasProp = claims[property]
if not hasProp then -- no claim of that property
return "[[Category:" .. catbase .. " not in Wikidata]]" -- bad. Bot needs to add the property
end
for i, v in ipairs(hasProp) do -- Now we try to iterate over all possible values?
propValue = (v.mainsnak.datavalue or {}).value
if propValue == value then
if nocatsame == "" then
return "[[Category:" .. catbase .. " same as Wikidata]]" -- yay!
else
return nil -- if nocatsame, the "same as" category is not added
end
end
end
return "[[Category:" .. catbase .. " different from Wikidata]]" -- needs human review :(
end
return p