Module:Selected current events/sandbox

function cleanupArgs(argsTable) local cleanArgs = {} for key, val in pairs(argsTable) do		if type(val) == 'string' then val = val:match('^%s*(.-)%s*$') if val ~= '' then cleanArgs[key] = val end else cleanArgs[key] = val end end return cleanArgs end

function isAffirmed(val) if not(val) then return false end local affirmedWords = ' add added affirm affirmed include included on true yes y ' return string.find(affirmedWords, ' '..string.lower(val)..' ', 1, true ) and true or false end

function makeOutput(allItems, maxItems, more) local output = '' local itemIndex = 1 local maxCount = math.min(#allItems, maxItems) while itemIndex <= maxCount do output = output .. allItems[itemIndex] .. '\n' itemIndex = itemIndex + 1 end if more then output = output .. more end return mw.text.trim(output) end

function cleanForPatternMatching(wikitext) -- remove wikilink brackets local cleaned = mw.ustring.gsub(wikitext, "%[%[(.-)%]%]","%1") -- remove pipes that would have been in piped links cleaned = mw.ustring.gsub(cleaned, "%|"," ") -- remove external links cleaned = mw.ustring.gsub(cleaned, "%[.-%]"," ") return cleaned end

function formatDateString(dateString, mdyDates) if mdyDates then formattedDatePattern = "%2 %3, %1" else formattedDatePattern = "%3 %2 %1" end return ' ' .. string.gsub(dateString, "(.*) (.*) (.*)", formattedDatePattern) .. ' – ' end

function makeCollapsed(outerText, innerText) return "" .. innerText .. "" end

-- Get current events for a "YYYY Month D" date. Returns a table of list items. function getCurrentEvents(date, mdyDates, keepPatterns, skipPatterns, showWikitext) local title = mw.title.new("Portal:Current events/" .. date) local raw = title:getContent if (not raw) or raw == '' then return {} end local lines = mw.text.split( raw, '\n') local items = {} local itemHeading = '' local cleanItemHeading = '' local previousItemPrefix = ''

local formattedDate = formatDateString(date, mdyDates)

for i, v in ipairs(lines) do		local keep = false local skip = false local isSublistItem = ( string.sub( v, 0, 2 ) == '**' ) local isListItem = not isSublistItem and ( string.sub( v, 0, 1) == '*' ) local hasSublistItem = isListItem and i < #lines and ( string.sub( lines[i+1], 0, 2 ) == '**' )

if hasSublistItem then itemHeading = mw.text.trim(mw.ustring.gsub(v, '%*', '', 1)) cleanItemHeading = cleanForPatternMatching(itemHeading) elseif isListItem then itemHeading = "" cleanItemHeading = "" end

if (isListItem and not hasSublistItem) or isSublistItem then local text = cleanForPatternMatching(v) for ii, keepPatt in pairs(keepPatterns) do				if not keep and ( mw.ustring.find(text, keepPatt) or mw.ustring.find(cleanItemHeading, keepPatt) ) then keep = true end end if #skipPatterns > 0 then for iii, skipPatt in pairs(skipPatterns) do					if not skip and ( mw.ustring.find(text, skipPatt) or mw.ustring.find(cleanItemHeading, skipPatt) ) then skip = true end end end end

if keep and not skip then local itemPrefix = ";" .. formattedDate if itemHeading ~= "" then itemPrefix = itemPrefix .. " "..itemHeading.."" end itemPrefix = itemPrefix .. "\n:" if previousItemPrefix == itemPrefix then itemPrefix = ':' else previousItemPrefix = itemPrefix end local item = mw.ustring.gsub(v, '%*+', itemPrefix) if showWikitext then -- remove html comments local itemWikitext = mw.ustring.gsub(item, "%<%!%-%-(.-)%-%-%>", "") -- remove prefix from wikitext itemWikitext = mw.ustring.gsub(itemWikitext, ";(.-)\n", "") itemWikitext = " " .. mw.text.nowiki( itemWikitext ) .. " "				-- remove prefix from item itemWithoutPrexix = mw.ustring.gsub(v, '%*+', '') item = itemPrefix .. makeCollapsed(itemWithoutPrexix, itemWikitext) end table.insert(items, item) end end return items end

function getItems(maxDays, mdyDates, patterns, skipPatterns, showWikitext) local allItems = {} local lang = mw.language.new('en') local daysAgo = 0 while daysAgo < maxDays do		local day = lang:formatDate('Y F j', 'now - '..daysAgo..' days') local dailyItems = getCurrentEvents(day, mdyDates, patterns, skipPatterns, showWikitext) for i, item in ipairs(dailyItems) do			table.insert(allItems, item) end daysAgo = daysAgo + 1 end return allItems end

function getPatterns(args, prefix) local patterns = {} local ii = 1 while args[prefix and prefix..ii or ii] do		patterns[ii] = args[prefix and prefix..ii or ii] ii = ii + 1 end return patterns end

local p = {}

p.main = function(frame) local parent = frame.getParent(frame) local parentArgs = parent.args local args = cleanupArgs(parentArgs)

if args['not'] and not args['not1'] then args['not1'] = args['not'] end local patterns = getPatterns(args) if #patterns < 1 then return error("Search pattern not set") end

local skipPatterns = getPatterns(args, 'not')

local days = tonumber(args.days) or 30

local mdyDates = args.dates and string.lower(args.dates) == 'mdy' local showWikitext = isAffirmed(args.wikitext)

local allItems = getItems(days, mdyDates, patterns, skipPatterns, showWikitext) if #allItems < 1 then return args.header and '' or args.none or 'No recent news' end

local maxItems = tonumber(args.max) or 6

local more = args.more if isAffirmed(args.more) then more = "More current events..." end

local output = makeOutput(allItems, maxItems, more) if args.header then output = args.header .. '\n' .. output .. '\n' .. (args.footer or '') end local needsExpansion = mw.ustring.find(output, '{{', 0, true) if needsExpansion then return frame:preprocess(output) else return output end

end

return p