Module:NewsLanding

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

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

local NewsLanding = {}

local limit = 25

function NewsLanding.main(frame)
	local args = getArgs(frame)
	
	if args.more then return NewsLanding.html(args.page or 1) end
	local tableContainer = mw.html.create('div')
	
	tableContainer:node(mw.html.create('h2'):wikitext('Latest news')) 
	local listContainer = mw.html.create('div'):attr('id', 'list__container')
	tableContainer:node(listContainer)
	local html = NewsLanding.html(args.page or 1)

	if html == nil or html == '' then
		return tableContainer:wikitext('No news in the database') 
	else
	   	listContainer:node(html)
		local loadMore = frame:callParserFunction{ name = '#widget', args = { 'Pagination', id = 'list__container', template = 'NewsLanding'} }
		tableContainer:node(loadMore)
	end

	return tableContainer
end

function NewsLanding.query(page)
	local tables = 'News'
	local fields = '_pageName, date'
	local cargoArgs = {
		orderBy = 'date DESC',
		limit = limit,
		offset = (page - 1) * limit
	}
	local results = cargo.query(tables, fields, cargoArgs)
	return results
end

function NewsLanding.html(page)
	local results = NewsLanding.query(page)
	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 NewsLanding