imported>Frietjes: Frietjes moved page Module:Country population table to Module:Sandbox/Frietjes/country population table without leaving a redirect

2020-09-15T13:34:23Z

Frietjes moved page Module:Country population table to Module:Sandbox/Frietjes/country population table without leaving a redirect

New page

local p = {}

local lang = mw.language.getContentLanguage()

local function getPopulations(qid)
-- Return table of all population or nil if none found.
-- Each entry is a table { POP, TIMESTAMP } where POP is a number.
local populations = {}
local props = mw.wikibase.getAllStatements(qid, 'P1082')
if not props then return nil end
for _, v in pairs(props) do
if v.qualifiers and v.qualifiers["P585"] then
local timestamp = v.qualifiers["P585"][1].datavalue.value.time
timestamp = timestamp:gsub("%-00%-00T", "-01-01T")
if string.sub(timestamp, 1, 1) ~= '-' then
populations[#populations + 1] = {
tonumber(v.mainsnak.datavalue.value.amount), -- number or nil
tonumber(lang:formatDate('U',timestamp)) -- timestamp
}
end
end
end
if next(populations) then -- if table is not empty
return populations
end
return nil
end

local function getPopEst(qid)
local populations = getPopulations(qid)
if not populations then return -1 end
-- get the two most recent population counts
local popCurrent, popPrevious, timeCurrent, timePrevious = -1, -1, -1, -1
for i, v in ipairs(populations) do
if v[2] > timeCurrent then
popPrevious = popCurrent
timePrevious = timeCurrent
popCurrent = v[1]
timeCurrent = v[2]
elseif v[2] > timePrevious then
popPrevious = v[1]
timePrevious = v[2]
end
end
if (timeCurrent > 0) and (timePrevious > 0) then
local timeNow = lang:formatDate( 'U', nil, true )
return math.floor(popCurrent + (popCurrent - popPrevious)/(timeCurrent - timePrevious)*(timeNow - timeCurrent) + 0.5)
else
return -1
end
end

function p.row(frame)
local function formatnum(num)
return frame:callParserFunction{ name = 'formatnum', args = num }
end
local function flag(str)
return frame:expandTemplate{ title = 'flag', args = { str } }
end
local args = frame.args
local res = ''

local argnums = {}
for k, v in pairs( args ) do
if type( k ) == 'number' and v ~= '' then
argnums[#argnums + 1] = k
end
end
table.sort(argnums)

local wpop = getPopEst('Q2')

for j = 1,#argnums do
local country = args[argnums[j]]

local qid = nil
if country == nil or country == "" then
qid = mw.wikibase.getEntityIdForCurrentPage()
else
qid = mw.wikibase.getEntityIdForTitle(country)
end

local cpop = getPopEst(qid)

if (cpop > 0) and (wpop > 0) then
local pct = math.floor(1000*cpop / wpop + 0.5) / 10
cpop = formatnum(cpop)
res = res .. '|-\n|' .. flag(country) .. '||' .. cpop .. ' || ' .. lang:formatDate( 'd F Y', nil, true ) .. ' || ' .. pct .. '%\n'
else
res = res .. 'Error: Country = ' .. country .. ' Country population estimate = ' .. cpop .. ' World population estimate = ' .. wpop
end
end
return res
end

return p

Module:Sandbox/Frietjes/country population table - Revision history

imported>Frietjes: Frietjes moved page Module:Country population table to Module:Sandbox/Frietjes/country population table without leaving a redirect