Module:Marker Voyage Tips and guide

--[[
	Source script:	https://it.wikivoyage.org/wiki/Modulo:Marker
	Maintainer:		Andyrom75

	Lazy loads:
	require('Module:WikidataIB').getSiteLink
]]
local coord2Dec = require('Module:Coordinates').toDec
local type2color = require('Module:TypeToColor').convertImpl
local i18n = require( 'Module:Marker/i18n' )
local par = i18n.parameters 

local function _templateStyle( frame, src )
	return frame:extensionTag( 'templatestyles', '', { src = src } )
end

local function _isDefined(s)
	return s ~= '' and s
end

local function _makeMarkerSymbol( args, frame )
	local image4map = _isDefined(args[par.image]) and ('[[File:' .. args[par.image] .. '|300px]]') or ''
	local tagArgs = {
		zoom = tonumber( args[par.zoom] ),
		latitude = tonumber( args[par.lat] ),
		longitude = tonumber( args[par.long] ),
		show = args[par.show],
		group = args[par.group],
		description = (_isDefined(args[par.description]) or '') .. image4map
	}
	if _isDefined( args[par.text] ) then
		tagArgs.text = args[par.text]
		if not args[par.useIcon] then
			tagArgs.class = 'no-icon'
		end
	end

	local geoJson = {
		type = 'Feature',
		geometry = {
			type = 'Point',
			coordinates = { tagArgs.longitude, tagArgs.latitude }
		},
		properties = {
			title = args[par.name],
			description = tagArgs.description,
			['marker-symbol'] = args[par.symbol],
			['marker-color'] = args[par.color],
			['marker-size'] = 'medium',
		}
	}

	-- frame:extensionTag is expensive
	return frame:extensionTag( 'maplink', mw.text.jsonEncode( geoJson ), tagArgs )
end

local function _Marker(frame)
	local args = frame.args
	local imageErrMsg = ''
	local WLErrMsg = ''
	--shortcut variable
	local nome = args[par.name] or ''
	local tag = ((args[par.islisting] ~= i18n.msg.yes) and mw.html.create( 'span' ):addClass( 'vcard' )) or mw.html.create()
	local anchor = ''

	if _isDefined( args[par.wikidata] ) then
		-- Se manca una delle due coordinate, provo a estrarle entrambe da Wikidata
		if not _isDefined(args[par.lat]) or not _isDefined(args[par.long]) then
			local coords = mw.wikibase.getBestStatements( args[par.wikidata], 'P625')
			if coords[1] then
				args[par.lat] = coords[1].mainsnak.datavalue.value.latitude
				args[par.long] = coords[1].mainsnak.datavalue.value.longitude
			end
		end
		-- Se non è stata fornita l'immagine, provo a estrarla da Wikidata
		if not _isDefined(args[par.image]) then
			local immagine = mw.wikibase.getBestStatements( args[par.wikidata], 'P18')
			args[par.image] = immagine[1] and immagine[1].mainsnak.datavalue.value
		end
	end

	-- Se sono presenti le coordinate creo il marker tag
	if args[par.lat] ~= 'NA' and args[par.long] ~= 'NA' then
		if _isDefined(args[par.lat]) and _isDefined(args[par.long]) then
			-- arguments setup
			args[par.lat] = coord2Dec(args[par.lat] or 0, '', 6).dec
			args[par.long] = coord2Dec(args[par.long] or 0, '', 6).dec
			args[par.mtype] = (_isDefined(args[par.mtype]) and string.lower(args[par.mtype]) ) or 'listing'
			args[par.zoom] = _isDefined(args[par.zoom]) or '17'
			args[par.group] = (_isDefined(args[par.group]) and string.lower(args[par.group]) ) or args[par.mtype]
			args[par.symbol] = '-number-' .. ( args[par.counter] or args[par.mtype] or 'listing' )
			args[par.color] = type2color( args[par.mtype] )
			args[par.show] = args[par.show] or 'mask,around,buy,city,do,drink,eat,go,listing,other,see,sleep,vicinity,view'
	
			local mapTagOutput = _makeMarkerSymbol( args, frame )
	
			tag:tag( 'span' )
				:addClass( 'noprint listing-coordinates' )
				:tag( 'span' )
					:addClass( 'geo' )
					:tag( 'abbr' )
						:addClass( 'latitude' )
						:wikitext( args[par.lat] )
					:done()
					:tag( 'abbr' )
						:addClass( 'longitude' )
						:wikitext( args[par.long] )
			:allDone()
			:tag( 'span' )
				:attr( 'title', i18n.msg.tooltip )
				:wikitext( mapTagOutput )
		else
		    -- costruisco l'elenco delle chiavi valide nella lingua configurata
		    local listingTypes = {}
		    for _, translatedKey in pairs(i18n.listingTypes) do
		        listingTypes[translatedKey] = true
		    end

			if mw.title.getCurrentTitle().namespace == 0 and args[par.mtype] and listingTypes[string.lower(args[par.mtype])] then
				anchor = anchor .. "[[Category:" .. string.lower(args[par.mtype]) .. i18n.categories.noCoords .. "]]"
			end
		end
	end

	-- costruisco l'ancora sul nome ed eventualmente gli associo il sitoweb
	if nome ~= '' then
		local anchor2 = ''
		anchor2 = '<span id="' .. mw.uri.anchorEncode( nome ) .. '" class="fn org listing-name">' .. nome .. '</span>'
		-- se includo un sito web il nome deve essere puramente testuale
		if _isDefined(args[par.url]) then
			anchor2 = string.match(nome, '%[%[') and ('[[Category:' .. i18n.categories.wrongName .. ']]' .. anchor2)
				or ('[' .. args[par.url] .. ' ' .. anchor2 .. ']')
		end
		anchor = anchor .. anchor2
	end
	if mw.title.getCurrentTitle().namespace == 0 then
		anchor = anchor .. '[[Category:' .. i18n.categories.withMarker .. ']]'
	end

	-- Se l'immagine fornita non esiste genero un messaggio di errore
	if _isDefined( args[par.image] ) then
		local image = mw.title.new(args[par.image], 'Media') 
		if image and image.exists then
			args[par.description] = '[[' .. image.fullText .. '|100x100px|' .. nome .. ']]'
		else
			imageErrMsg = mw.html.create( 'span' )
				:addClass('imageinfo debuginfo')
				:wikitext( i18n.errorMsg.wrongFile )
		end
	end

	if (args[par.islisting] ~= i18n.msg.yes) and _isDefined( args[par.wikidata] ) then
		local getSiteLink = require('Module:WikidataIB').getSiteLink
		if _isDefined( getSiteLink{args={wiki=i18n.wiki.home, qid=args[par.wikidata]}} ) then
			if not nome:match('%[%[') then
				anchor = anchor .. '[[Category:' .. i18n.categories.noWikilink ..']]'
				WLErrMsg = mw.html.create( 'span' )
					:addClass('debuginfo')
					:wikitext( i18n.errorMsg.missingWL )
			end
		else
			local wpLink = _isDefined( getSiteLink{args={wiki=i18n.wiki.wikipedia, qid=args[par.wikidata]}} )
			anchor = anchor .. (wpLink and '<span class="noprint listing-sister-icons">&#32;[[File:' .. i18n.icons.wikipedia .. '|15px|class=listing-sister-wikipedia|link=w:' .. wpLink .. '|' .. wpLink .. i18n.msg.wikipedia .. ']]</span>' or '')
		end
	end

	return _templateStyle( frame, 'Marker/styles.css' ) .. tostring(tag:node(imageErrMsg):node(WLErrMsg):wikitext(' ' .. anchor))
end

--Interfacce del modulo
local p = {}

function p.MarkerTemplate(frame)
	return _Marker(frame:getParent())
end

function p.MarkerInvoke(frame)
	return _Marker(frame)
end

function p.MarkerModule(frame)
	local Cframe = mw.getCurrentFrame()
	Cframe.args = frame.args
	return _Marker(Cframe)
end

return p