Module:CountryData Voyage Tips and guide

--[[
	Source script:	https://it.wikivoyage.org/wiki/Modulo:CountryData
	Maintainer:		Andyrom75
]]
local fw = require( 'Module:FastWikidata' )
local getArgs = require('Module:Arguments').getArgs

local debugMode = ''
local cents = {	-- known cents symbols
		['ALL'] = 'q',
		['AUD'] = 'c',
		['BTN'] = 'Ch.',
		['CAD'] = '¢',
		['CZK'] = 'h',
		['EGP'] = 'pt.',
		['EUR'] = 'c',
		['GBP'] = 'p',
		['HRK'] = 'lp',
		['MXN'] = '¢',
		['NZD'] = 'c',
		['PLN'] = 'gr',
		['TOP'] = '¢',
		['USD'] = '¢',
		['XOF'] = 'c',
		['ZAR'] = 'c'
}

local function _is_defined(s)
	if s and s ~= '' then return s end
	return nil
end

local function _getAdministrativeEntity( entity )
	local id = nil
	local i, w
	if entity then
		-- located in the administrative territorial entity
		-- IMPORTANT NOTE: evaulate a recursive function to find the exact territorial entity (maybe with a deep limit)
		w = fw.getBestStatements( entity, 'P131' )
		if #w > 0 then
			for i = 1, #w, 1 do
				if w[ i ].mainsnak.snaktype == 'value' then
					id = w[ i ].mainsnak.datavalue.value.id
				end
			end
		end	
	end	
	return id
end

local function _getCountryEntity( entity )
	local id = nil
	local i, w
	if entity then
		w = fw.getValues( entity, 'P17', nil ) -- country
		if #w > 0 then
			for i = 1, #w, 1 do
				id = w[ i ].id
			end
		end
	end
	return id
end

function _getEntityData( currentEntity )
	local entityData = {
		id = '',
		iso_3166 = '',
		cc = '',
		lc = '',
		currency = '',
		currency_symbol = ''
	}
	-- getting data from country entity
	if currentEntity then
		entityData.cc = fw.getValue( currentEntity, 'P474' ) -- country calling code
		local currencyEntity = fw.getId( currentEntity, 'P38' ) -- currency id
		if not _is_defined(entityData.cc) or not _is_defined(currencyEntity) then
			return entityData
		end
		if currencyEntity ~= '' then
			entityData.currency = fw.getValue( currencyEntity, 'P498' ):upper() -- ISO 4217
			entityData.currency_symbol = fw.getValuesWithLanguages( currencyEntity, 'P5061' ) --
			entityData.currency_symbol = entityData.currency_symbol['mul']
		end
		entityData.iso_3166 = fw.getValue( currentEntity, 'P297' ):upper() --three-letter country identifier
	else
		return entityData
	end
	
	entityData.id = currentEntity
	return entityData
end

function _getCountryData( entity )
	local entityData = {}
	entityData = _getEntityData(entity) --current or requested EntityData
	if entityData.id == '' then
		entityData = _getEntityData(_getAdministrativeEntity(entity)) --administrativeEntityData
		if entityData.id == '' then
			entityData = _getEntityData(_getCountryEntity(entity)) --countryEntityData
		end
	end
	entityData.lc = fw.getValue( entity, 'P473' ) -- local dialing code
	return entityData
end

local p = {}
function p._countryData2HTML( entity )
	if entity == nil then --check externally requested entity
		entity = mw.wikibase.getEntityIdForCurrentPage() --current entity
		if entity == nil then
			return nil
		end
	end
mw.log('entity: ' .. entity)
	local countryData = _getCountryData( entity )
	local currency = countryData.currency
	if( countryData.currency_symbol ) then
		if( currency and #currency>0 ) then
			currency = currency .. ', '
		end
		currency = currency .. countryData.currency_symbol
	end
	if( cents[countryData.currency] ) then
		if( currency and #currency>0 ) then
			currency = currency .. ', '
		end
		currency = currency .. cents[countryData.currency]
	end
	return (debugMode == "YES" and "&lt;" or "<") .. 'span class="countryData" data-country-calling-code="'.. countryData.cc ..'" data-local-dialing-code="'.. countryData.lc ..'" data-currency="'.. currency ..'" style="display:none;"></span>'
end

function p.countryData2HTML( frame )
	local args = getArgs(frame)
	local entity = args[1]
	debugMode = args['debug']
	return p._countryData2HTML(entity)
end
return p