Module:NewsSearch

Documentation for this module may be created at Module:NewsSearch/doc

local getArgs = require('Module:Arguments').getArgs
local cargo = mw.ext.cargo

local limit = 25

local NewsSearch = {}

function NewsSearch.main(frame)
	local args = getArgs(frame)
	
	if args.games == nil and args.categories == nil then return tableContainer:wikitext('At least one category or game needs to be chosen') end
	
	if args.more then return NewsSearch.html(args.page or 1, args) end
	
	local tableContainer = mw.html.create('div')
    local listContainer = mw.html.create('div'):attr('id', 'list__container')
	tableContainer:node(listContainer)
	local html = NewsSearch.html(args.page or 1, args)
	
	if html == nil or html == '' then
		return listContainer:wikitext('No news found') 
	else
	   	listContainer:node(html)
		local loadMore = frame:callParserFunction{ name = '#widget', args = { 'Pagination', id = 'list__container', template = 'NewsSearch', arg = mw.text.jsonEncode({categories = args.categories}) } }
		tableContainer:node(loadMore)
	end
	
	return tableContainer
end

function NewsSearch.query(page, args)
	local whereStr = ''

	if args.categories then
		local categories = mw.text.split(args.categories, ',')
		whereStr = whereStr .. '('
		for i = 1, #categories do
			if i ~= 1 then whereStr = whereStr .. ' OR ' end
			whereStr = whereStr .. ' category HOLDS "' .. categories[i] .. '"'
		end
		whereStr = whereStr .. ')'
	end
	
	if args.games then
		if args.categories then 
			whereStr = whereStr .. ' AND (' 
		else 
			whereStr = whereStr .. '(' 	
		end
		
		local games = mw.text.split(args.games, ',')
		for i = 1, #games do
			if i ~= 1 then whereStr = whereStr .. ' OR ' end
			whereStr = whereStr .. ' game HOLDS "' .. games[i] .. '"'
		end
		whereStr = whereStr .. ')'
	end
	
	local tables = 'News'
	local fields = '_pageName, date, category, game'
	local cargoArgs = {
		where = whereStr,
		orderBy = 'date DESC',
		limit = limit,
		offset = (page - 1) * limit
	}
	local results = cargo.query(tables, fields, cargoArgs)
    return results

end

function NewsSearch.html(page, args)
	local results = NewsSearch.query(page, args)
	local list = ''
	
	if #results > 0 then
		for i = 1, #results do
			local result = results[i]
			local dateString = mw.ustring.gsub(result.date, "%s(AM|PM)$", "")

			-- Use os.date to convert the string to a table of date and time components
			local dateTimeTable = os.date("*t", os.time({year=string.sub(dateString, 1, 4), month=string.sub(dateString, 6, 7), day=string.sub(dateString, 9, 10), hour=tonumber(string.sub(dateString, 12, 13)) + ((string.sub(dateString, 22, 22) == "PM") and 12 or 0), min=string.sub(dateString, 15, 16), sec=string.sub(dateString, 18, 19)}))
			
			-- Use os.date again to format the date and time components into a desired format
			local formattedDate = os.date("%d %b %Y %H:%M", os.time(dateTimeTable))

			local news = mw.html.create('div'):wikitext(formattedDate .. ' - [[' .. result._pageName .. ']]')
			list = list .. tostring(news)
		end
	else
		return nil
	end
	return list
end

return NewsSearch