Zyxw: use English labels first, if available.

2022-01-17T03:46:42Z

use English labels first, if available.

← Previous revision		Revision as of 03:46, 17 January 2022
Line 18:		Line 18:

	local labels = entity.labels or {}		local labels = entity.labels or {}
	series.captions[seriesIdx] = (labels.de or labels.en or {}).value or id		series.captions[seriesIdx] = (labels.en or labels.de or {}).value or id

	local property = entity.claims[property]		local property = entity.claims[property]

Zyxw: from de:Modul:WikidataChart

2021-10-23T13:15:55Z

from de:Modul:WikidataChart

New page

local graph = require("Module:Graph")

local p = {}

function p.plot(frame)
local property = frame.args[1] or error("Wikidata property to chart required")
local xQualifier = frame.args[2] or error("Wikidata qualifier for x axis required")
local yIds = mw.text.split(frame.args["pageIds"] or "", ",", true)
local xStart = frame.args["xStart"]
local xEnd = frame.args["xEnd"]
local precision = tonumber(frame.args["precision"])

-- Collect data
local series = { captions = {}, points = {} }
for seriesIdx, id in ipairs(yIds) do
if id == "" then id = nil end
local entity = mw.wikibase.getEntity(id)

local labels = entity.labels or {}
series.captions[seriesIdx] = (labels.de or labels.en or {}).value or id

local property = entity.claims[property]
for _, item in ipairs(property) do
if item.qualifiers and item.qualifiers[xQualifier] and item.qualifiers[xQualifier][1] then
local qualifier = item.qualifiers[xQualifier][1]
if qualifier.snaktype ~= "value" or qualifier.datatype ~= "time" then
error("'xQualifier' parameter must be a time")
end
local x = applyPrecision(mw.text.trim(qualifier.datavalue.value.time, "+"), precision)

if (not xStart or x >= xStart) and (not xEnd or string.sub(x, 1, #xEnd) <= xEnd) and qualifier.datavalue.value.precision >= (precision or 0) then
local mainsnak = item.mainsnak
if mainsnak.snaktype ~= "value" or mainsnak.datatype ~= "quantity" then
error("'property' parameter must be numeric")
end
local y = tonumber(mainsnak.datavalue.value.amount)

if not series.points[x] then series.points[x] = {} end
series.points[x][seriesIdx] = y
end
end
end
end

-- Sort x values
local xValues = {}
for k in pairs(series.points) do table.insert(xValues, k) end
table.sort(xValues)

local chartArgs =
{
type = "line",
xType = "date",
xAxisTitle = mw.wikibase.label(xQualifier),
x = table.concat(xValues, ","),
yType = "number",
yAxisTitle = mw.wikibase.label(property)
}
-- Set legends / series titles
for seriesIdx, caption in ipairs(series.captions) do
chartArgs["y" .. seriesIdx] = ""
chartArgs["y" .. seriesIdx .. "Title"] = caption
end
-- Set values
local seriesCount = #series.captions
for _, x in ipairs(xValues) do
yValues = series.points[x]
for seriesIdx = 1, seriesCount do
chartArgs["y" .. seriesIdx] = chartArgs["y" .. seriesIdx] .. "," .. (yValues[seriesIdx] or "")
end
end
-- Remove separators at the beginning
for seriesIdx, _ in ipairs(series.captions) do
chartArgs["y" .. seriesIdx] = mw.ustring.sub(chartArgs["y" .. seriesIdx], 2)
end
-- Transfer diagram parameters (all parameters that start with chart_ are transferred directly to the Graph module without a prefix)
for k, v in pairs(frame.args) do
local chartParam = string.match(k, "^chart_(.+)")
if chartParam then chartArgs[chartParam] = v end
end

return graph.chart({ args = chartArgs })
end

function p.plotWrapper(frame)
return p.plot(frame:getParent())
end

function applyPrecision(date, precision)
if not precision then precision = math.huge end

local _, _, year, month, day, hour, minute, second, timezone = string.find(date, "^(.?%d+)-(%d+)-(%d+)T(%d+):(%d+):(%d+)(.+)$")
if precision < 14 then second = "00" end
if precision < 13 then minute = "00" end
if precision < 12 then hour = "00" end
if precision < 11 or day == "00" then day = "01" end
if precision < 10 or month == "00" then month = "01" end
return year .. "-" .. month .. "-" .. day .. "T" .. hour .. ":" .. minute .. ":" .. second .. timezone
end

return p

Module:WikidataChart - Revision history

Zyxw: use English labels first, if available.

Zyxw: from de:Modul:WikidataChart