Module:UpdateNumber

-- Get Update Name for version getVersion   Parameters    1. version number        If blank or one of the options below,        the current page name is used        "P" = previous update        "N" = next update        "T" = infobox title (version number) text only        "V" = infobox version (version + name) text only        "R" = release number    2. include event date after name    3. text only (no link) --

local p = {} local versionData = mw.loadData( 'Module:UpdateNumber/data' )

local function prevUpdate(curVersion) local curDate = nil

if versionData[curVersion] then curDate = versionData[curVersion][3] end

local prevDate = 0 local prevVer = ""

if curDate then for k, v in pairs(versionData) do           if v[3] and v[3] < curDate and v[3] > prevDate then prevDate = v[3] prevVer = k           end end end return prevVer end

local function nextUpdate(curVersion) local curDate = nil

if versionData[curVersion] then curDate = versionData[curVersion][3] end

local nextDate = 99999999 local nextVer = ""

if curDate then for k, v in pairs(versionData) do           if v[3] and v[3] > curDate and v[3] < nextDate then nextDate = v[3] nextVer = k           end end end return nextVer end

local function strDate(numDate) local months = {"January ", "February ", "March ", "April ", "May ", "June ", "July ", "August ", "September ", "October ", "November ", "December "} local day = math.min(math.fmod(numDate, 100), 31)

local idd = math.fmod(day, 10) local nth = (idd==1 and day~=11 and "st ") or (idd==2 and day~=12 and "nd ") or (idd==3 and day~=13 and "rd ") or "th "

local year = math.floor(numDate / 100)

local mon = math.min(math.fmod(year, 100), 12)

year = math.floor(year/100)

return (day .. nth .. months[mon] .. year) end

-- return informatin for a single version/update function oneVersion(versionNo, inclDate, txtOnly) local outType = ""

if versionNo:match("^[NPTVR]$") then outType = versionNo versionNo = "" end

if versionNo == "" then local pageName = mw.title.getCurrentTitle.text

if versionData[pageName] then versionNo = pageName else local updateNo = tonumber(pageName:match("^Update (%d+)"))

if updateNo then for k, v in pairs(versionData) do                   if v[4] and updateNo == v[4] then versionNo = k                       break end end end end end

if not versionData[versionNo] then return "Unknown Version" end

if outType == "P" then -- output previous version versionNo = prevUpdate(versionNo) if versionNo == "" then return "Unknown" end elseif outType == "N" then -- output next version versionNo = nextUpdate(versionNo) if versionNo == "" then return "--" end end

local versionText = ""

if outType == "T" then if versionData[versionNo][5] and versionData[versionNo][5] ~= "" then versionText = versionData[versionNo][5] else versionText = versionNo end txtOnly = true elseif outType == "R" then versionText = versionData[versionNo][1] txtOnly = true else local upNo = versionData[versionNo][4] if upNo and upNo == 0 then versionText = versionData[versionNo][2] else versionText = versionData[versionNo][2] .. " Update" end

if outType == "V" then if versionData[versionNo][5] and versionData[versionNo][5] ~= "" then versionText = versionData[versionNo][5] .. " ("                               .. versionText .. ")" else versionText = versionNo .. " ("                               .. versionText .. ")" end txtOnly = true end end

if not txtOnly then if versionData[versionNo][4] and versionData[versionNo][4] ~= 0 then versionText = "" .. versionText .. "" else versionText = "" .. versionText .. "" end end

if inclDate then versionText = versionText .. " on " .. strDate(versionData[versionNo][3]) end

return versionText end

-- return a list of versions for year function multiVersion(year) local tIndex = {}

if year and year ~= 0 then for k, v in pairs(versionData) do           if year == math.floor(v[3] / 10000) then table.insert(tIndex, k)           end end else for k, v in pairs(versionData) do           table.insert(tIndex, k)        end end

table.sort(tIndex)

local outText = "" local sDot   = ""

for _, key in ipairs(tIndex) do       local verText = ""

if versionData[key][5] and versionData[key][5] ~= "" then verText = versionData[key][5] end

if not versionData[key][5] or versionData[key][5] ~= "" then if versionData[key][4] and versionData[key][4] ~= 0 then outText = outText .. sDot .. "" .. verText .. "" else outText = outText .. "|" .. key .. "]]"               end else outText = outText .. sDot .. "" .. verText               end                outText = outText .. "" end sDot = " · " end end

return outText end

-- function get Version Name function p.getVersion(frame) local tArgs

if frame == mw.getCurrentFrame then fParent = frame:getParent tArgs = fParent.args

if (fParent.args[1]) then tArgs = fParent.args else tArgs = frame.args end else tArgs = frame end

local versionNo = tArgs[1] or "" local inclDate = (tArgs[2] and tArgs[2] ~= "") local txtOnly  = (tArgs[3] and tArgs[3] ~= "")

local multi, year = versionNo:match("^(multi)(%d*)$")

if multi then return multiVersion(tonumber(year)) else return oneVersion(versionNo, inclDate, txtOnly) end end

return p

-- --