local wiki = {
langcode = mw.language.getContentLanguage().code
}
local i18n = {
["errors"] = {
["property-param-not-provided"] = "Property parameter not provided.",
["property-not-found"] = "Property not found.",
["entity-not-found"] = "Entity not found.",
["qualifier-not-found"] = "Qualifier not found.",
["unknown-claim-type"] = "Unknown claim type.",
["unknown-snak-type"] = "Unknown snak type.",
["unknown-datavalue-type"] = "Unknown datavalue type.",
["unknown-entity-type"] = "Unknown entity type.",
["unknown-value-module"] = "You must set both value-module and value-function parameters.",
["value-module-not-found"] = "The module pointed by value-module not found.",
["value-function-not-found"] = "The function pointed by value-function not found."
},
["somevalue"] = "Неизвестна стойност",
["novalue"] = "Липсва стойност",
["datetime"] = {
-- $1 is a placeholder for the actual number
[0] = "$1 млрд. години", -- precision: billion years
[1] = "$100 млн. години", -- precision: hundred million years
[2] = "$10 млн. години", -- precision: ten million years
[3] = "$1 млн. години", -- precision: million years
[4] = "$100 000 години", -- precision: hundred thousand years
[5] = "$10 000 години", -- precision: ten thousand years
[6] = "$1 хилядолетие", -- precision: millenium
[7] = "$1 век", -- precision: century
[8] = "$1-те", -- precision: decade
-- the following use the format of #time parser function
[9] = "Y", -- precision: year,
[10] = "F Y", -- precision: month
[11] = "j F Y", -- precision: day
[12] = 'j F Y, G "часа"', -- precision: hour
[13] = "j F Y G:i", -- precision: minute
[14] = "j F Y G:i:s", -- precision: second
["beforenow"] = "преди $1", -- how to format negative numbers for precisions 0 to 5
["afternow"] = "след $1", -- how to format positive numbers for precisions 0 to 5
["bc"] = '$1 "пр.н.е."', -- how print negative years
["ad"] = "$1" -- how print positive years
},
["monolingualtext"] = '<span lang="%language">%text</span>'
}
-- the "qualifiers" and "snaks" field have a respective "qualifiers-order" and "snaks-order" field
-- use these as the second parameter and this function instead of the built-in "pairs" function
-- to iterate over all qualifiers and snaks in the intended order.
local function orderedpairs(array, order)
if not order then return pairs(array) end
-- return iterator function
local i = 0
return function()
i = i + 1
if order[i] then
return order[i], array[order[i]]
end
end
end
function getEntityFromId( id )
if id then
return mw.wikibase.getEntityObject( id )
end
return mw.wikibase.getEntityObject()
end
function getEntityIdFromValue( value )
local prefix = ''
if value['entity-type'] == 'item' then
prefix = 'Q'
elseif value['entity-type'] == 'property' then
prefix = 'P'
else
return formatError( 'unknown-entity-type' )
end
return prefix .. value['numeric-id']
end
function formatError( key )
return '<span class="error">' .. i18n.errors[key] .. '</span>'
end
function formatStatements( options )
if not options.property then
return formatError( 'property-param-not-provided' )
end
--Get entity
local entity = getEntityFromId( options.entityId )
if not entity then
return -- formatError( 'entity-not-found' )
end
if (entity.claims == nil) or (not entity.claims[string.upper(options.property)]) then
return '' --TODO error?
end
--Format statement and concat them cleanly
local formattedStatements = {}
for i, statement in pairs( entity.claims[string.upper(options.property)] ) do
table.insert( formattedStatements, formatStatement( statement, options ) )
end
if options.first then
return formattedStatements[1]
else
return mw.text.listToText( formattedStatements, options.separator, options.conjunction )
end
end
function formatStatement( statement, options )
if not statement.type or statement.type ~= 'statement' then
return formatError( 'unknown-claim-type' )
end
return formatSnak( statement.mainsnak, options )
--TODO reference and qualifiers
end
function formatSnak( snak, options )
if snak.snaktype == 'somevalue' then
return i18n['somevalue']
elseif snak.snaktype == 'novalue' then
return i18n['novalue']
elseif snak.snaktype == 'value' then
return formatDatavalue( snak.datavalue, options )
else
return formatError( 'unknown-snak-type' )
end
end
function formatGlobeCoordinate( value, options )
if options['subvalue'] == 'latitude' then
return value['latitude']
elseif options['subvalue'] == 'longitude' then
return value['longitude']
else
local eps = 0.0000001 -- < 1/360000
local globe = '' -- TODO
local lat = {}
lat['abs'] = math.abs(value['latitude'])
lat['ns'] = value['latitude'] >= 0 and 'N' or 'S'
lat['d'] = math.floor(lat['abs'] + eps)
lat['m'] = math.floor((lat['abs'] - lat['d']) * 60 + eps)
lat['s'] = math.max(0, ((lat['abs'] - lat['d']) * 60 - lat['m']) * 60)
local lon = {}
lon['abs'] = math.abs(value['longitude'])
lon['ew'] = value['longitude'] >= 0 and 'E' or 'W'
lon['d'] = math.floor(lon['abs'] + eps)
lon['m'] = math.floor((lon['abs'] - lon['d']) * 60 + eps)
lon['s'] = math.max(0, ((lon['abs'] - lon['d']) * 60 - lon['m']) * 60)
local coord = '{{coord'
if (value['precision'] == nil) or (value['precision'] < 1/60) then -- по умолчанию с точностью до секунды
coord = coord .. '|' .. lat['d'] .. '|' .. lat['m'] .. '|' .. lat['s'] .. '|' .. lat['ns']
coord = coord .. '|' .. lon['d'] .. '|' .. lon['m'] .. '|' .. lon['s'] .. '|' .. lon['ew']
elseif value['precision'] < 1 then
coord = coord .. '|' .. lat['d'] .. '|' .. lat['m'] .. '|' .. lat['ns']
coord = coord .. '|' .. lon['d'] .. '|' .. lon['m'] .. '|' .. lon['ew']
else
coord = coord .. '|' .. lat['d'] .. '|' .. lat['ns']
coord = coord .. '|' .. lon['d'] .. '|' .. lon['ew']
end
coord = coord .. '|globe:' .. globe
if options['display'] then
coord = coord .. '|display=' .. options.display
else
coord = coord .. '|display=title'
end
coord = coord .. '}}'
return g_frame:preprocess(coord)
end
end
function formatDatavalue( datavalue, options )
--Use the customize handler if provided
if options['value-module'] or options['value-function'] then
if not options['value-module'] or not options['value-function'] then
return formatError( 'unknown-value-module' )
end
local formatter = require ('Module:' .. options['value-module'])
if formatter == nil then
return formatError( 'value-module-not-found' )
end
local fun = formatter[options['value-function']]
if fun == nil then
return formatError( 'value-function-not-found' )
end
return fun( datavalue.value, options )
end
--Default formatters
if datavalue.type == 'wikibase-entityid' then
return formatEntityId( getEntityIdFromValue( datavalue.value ), options )
elseif datavalue.type == 'string' then
if options.pattern and options.pattern ~= '' then
return formatFromPattern( datavalue.value, options )
else
return datavalue.value
end
elseif datavalue.type == 'globecoordinate' then
return formatGlobeCoordinate( datavalue.value, options )
elseif datavalue.type == 'time' then
local Time = require 'Module:Time'
return Time.newFromWikidataValue( datavalue.value ):toHtml()
else
return formatError( 'unknown-datavalue-type' )
end
end
function formatEntityId( entityId, options )
if (options.format == 'id') then
return entityId
end
local label = mw.wikibase.label( entityId )
local link = mw.wikibase.sitelink( entityId )
if link and (options.format ~= 'label') then
if label then
return '[[' .. link .. '|' .. label .. ']]'
else
return '[[' .. link .. ']]'
end
else
return label --TODO what if no links and label + fallback language?
end
end
local p = {}
function p.formatStatements( frame )
local args = frame.args
--If a value if already set, use it
if args.value and args.value ~= '' then
return args.value
end
return formatStatements( frame.args )
end
function p.getPageId(frame)
local entity = mw.wikibase.getEntityObject()
if not entity then return nil else return entity.id end
end
function p.getLabel( frame )
if not frame.args.lang then
return ''
end
local id = frame.args["id"]
if not id then
id = frame.args.entityId
end
local entity = getEntityFromId(id)
if not entity then
return ''
end
if (entity.labels == nil) or (not entity.labels[frame.args.lang]) then
return ''
end
return entity.labels[frame.args.lang]['value']
end
local function formatDatavalueCoordinate(data, parameter)
-- data fields: latitude [double], longitude [double], altitude [double], precision [double], globe [wikidata URI, usually http://www.wikidata.org/entity/Q2 [earth]]
if parameter then
if parameter == "globe" then data.globe = mw.ustring.match(data.globe, "Q%d+") end -- extract entity id from the globe URI
return data[parameter]
else
return data.latitude .. "/" .. data.longitude -- combine latitude and longitude, which can be decomposed using the #titleparts wiki function
end
end
local function formatDatavalueQuantity(data, parameter)
-- data fields: amount [number], unit [string], upperBound [number], lowerBound [number]
if parameter then
return data[paramater]
else
return tonumber(data.amount)
end
end
-- precision: 0 - billion years, 1 - hundred million years, ..., 6 - millenia, 7 - century, 8 - decade, 9 - year, 10 - month, 11 - day, 12 - hour, 13 - minute, 14 - second
local function normalizeDate(date)
date = mw.text.trim(date, "+")
-- extract year
local yearstr = mw.ustring.match(date, "^\-?%d+")
local year = tonumber(yearstr)
-- remove leading zeros of year
return year .. mw.ustring.sub(date, #yearstr + 1), year
end
function formatDate(date, precision, timezone)
precision = precision or 11
date, year = normalizeDate(date)
if year == 0 and precision <= 9 then return "" end
-- precision is 10000 years or more
if precision <= 5 then
local factor = 10 ^ ((5 - precision) + 4)
local y2 = math.ceil(math.abs(year) / factor)
local relative = mw.ustring.gsub(i18n.datetime[precision], "$1", tostring(y2))
if year < 0 then
relative = mw.ustring.gsub(i18n.datetime.beforenow, "$1", relative)
else
relative = mw.ustring.gsub(i18n.datetime.afternow, "$1", relative)
end
return relative
end
-- precision is decades, centuries and millennia
local era
if precision == 6 then era = mw.ustring.gsub(i18n.datetime[6], "$1", tostring(math.floor((math.abs(year) - 1) / 1000) + 1)) end
if precision == 7 then era = mw.ustring.gsub(i18n.datetime[7], "$1", tostring(math.floor((math.abs(year) - 1) / 100) + 1)) end
if precision == 8 then era = mw.ustring.gsub(i18n.datetime[8], "$1", tostring(math.floor(math.abs(year) / 10) * 10)) end
if era then
if year < 0 then era = mw.ustring.gsub(mw.ustring.gsub(i18n.datetime.bc, '"', ""), "$1", era)
elseif year > 0 then era = mw.ustring.gsub(mw.ustring.gsub(i18n.datetime.ad, '"', ""), "$1", era) end
return era
end
-- precision is year
if precision == 9 then
return year
end
-- precision is less than years
if precision > 9 then
--[[ the following code replaces the UTC suffix with the given negated timezone to convert the global time to the given local time
timezone = tonumber(timezone)
if timezone and timezone ~= 0 then
timezone = -timezone
timezone = string.format("%.2d%.2d", timezone / 60, timezone % 60)
if timezone[1] ~= '-' then timezone = "+" .. timezone end
date = mw.text.trim(date, "Z") .. " " .. timezone
end
]]--
local formatstr = i18n.datetime[precision]
if year == 0 then formatstr = mw.ustring.gsub(formatstr, i18n.datetime[9], "")
elseif year < 0 then
-- Mediawiki formatDate doesn't support negative years
date = mw.ustring.sub(date, 2)
formatstr = mw.ustring.gsub(formatstr, i18n.datetime[9], mw.ustring.gsub(i18n.datetime.bc, "$1", i18n.datetime[9]))
elseif year > 0 and i18n.datetime.ad ~= "$1" then
formatstr = mw.ustring.gsub(formatstr, i18n.datetime[9], mw.ustring.gsub(i18n.datetime.ad, "$1", i18n.datetime[9]))
end
return mw.language.new(wiki.langcode):formatDate(formatstr, date)
end
end
local function formatDatavalueTime(data, parameter)
-- data fields: time [ISO 8601 time], timezone [int in minutes], before [int], after [int], precision [int], calendarmodel [wikidata URI]
-- precision: 0 - billion years, 1 - hundred million years, ..., 6 - millenia, 7 - century, 8 - decade, 9 - year, 10 - month, 11 - day, 12 - hour, 13 - minute, 14 - second
-- calendarmodel: e.g. http://www.wikidata.org/entity/Q1985727 for the proleptic Gregorian calendar or http://www.wikidata.org/wiki/Q11184 for the Julian calendar]
if parameter then
if parameter == "calendarmodel" then data.calendarmodel = mw.ustring.match(data.calendarmodel, "Q%d+") -- extract entity id from the calendar model URI
elseif parameter == "time" then data.time = normalizeDate(data.time) end
return data[parameter]
else
return formatDate(data.time, data.precision, data.timezone)
end
end
local function formatDatavalueEntity(data, parameter)
-- data fields: entity-type [string], numeric-id [int, Wikidata id]
local id = "Q" .. data["numeric-id"]
if parameter then
if parameter == "link" then
return "[[" .. (mw.wikibase.sitelink(id) or (":d:" .. id)) .. "|" .. (mw.wikibase.label(id) or id) .. "]]"
else
return data[parameter]
end
else
if data["entity-type"] == "item" then return mw.wikibase.label("Q" .. data["numeric-id"]) or id else formatError("unknown-entity-type") end
end
end
local function formatDatavalueMonolingualText(data, parameter)
-- data fields: language [string], text [string]
if parameter then
return data[parameter]
else
return mw.ustring.gsub(mw.ustring.gsub(i18n.monolingualtext, "%%language", data["language"]), "%%text", data["text"])
end
end
function findClaims(entity, property)
if not property or not entity or not entity.claims then return end
if mw.ustring.match(property, "^P%d+$") then
-- if the property is given by an id (P..) access the claim list by this id
return entity.claims[property]
else
property = mw.wikibase.resolvePropertyId(property)
if not property then return end
return entity.claims[property]
end
end
function getSnakValue(snak, parameter)
-- snaks have three types: "novalue" for null/nil, "somevalue" for not null/not nil, or "value" for actual data
if snak.snaktype == "novalue" then
return i18n["novalue"]
elseif snak.snaktype == "somevalue" then
return i18n["somevalue"]
elseif snak.snaktype ~= "value" then
return nil, formatError("unknown-snak-type")
end
-- call the respective snak parser
if snak.datavalue.type == "string" then return snak.datavalue.value
elseif snak.datavalue.type == "globecoordinate" then return formatDatavalueCoordinate(snak.datavalue.value, parameter)
elseif snak.datavalue.type == "quantity" then return formatDatavalueQuantity(snak.datavalue.value, parameter)
elseif snak.datavalue.type == "time" then return formatDatavalueTime(snak.datavalue.value, parameter)
elseif snak.datavalue.type == "wikibase-entityid" then return formatDatavalueEntity(snak.datavalue.value, parameter)
elseif snak.datavalue.type == "monolingualtext" then return formatDatavalueMonolingualText(snak.datavalue.value, parameter)
else return nil, formatError("unknown-datavalue-type")
end
end
function getQualifierSnak(claim, qualifierId)
-- a "snak" is Wikidata terminology for a typed key/value pair
-- a claim consists of a main snak holding the main information of this claim,
-- as well as a list of attribute snaks and a list of references snaks
if qualifierId then
-- search the attribute snak with the given qualifier as key
if claim.qualifiers then
local qualifier = claim.qualifiers[qualifierId]
if qualifier then return qualifier[1] end
end
return nil, formatError("qualifier-not-found")
else
-- otherwise return the main snak
return claim.mainsnak
end
end
function getValueOfClaim(claim, qualifierId, parameter)
local error
local snak
snak, error = getQualifierSnak(claim, qualifierId)
if snak then
return getSnakValue(snak, parameter)
else
return nil, error
end
end
function p.getSiteLink(frame)
local id = frame.args["id"]
local entity
if id then
entity = getEntityFromId(id)
else
entity = mw.wikibase.getEntity()
end
local link = entity:getSitelink(frame.args[1])
if not link then
return
end
return link
end
function getReferences(frame, claim)
local result = ""
-- traverse through all references
for ref in pairs(claim.references or {}) do
local refparts
-- traverse through all parts of the current reference
for snakkey, snakval in orderedpairs(claim.references[ref].snaks or {}, claim.references[ref]["snaks-order"]) do
if refparts then refparts = refparts .. ", " else refparts = "" end
-- output the label of the property of the reference part, e.g. "imported from" for P143
refparts = refparts .. tostring(mw.wikibase.label(snakkey)) .. ": "
-- output all values of this reference part, e.g. "German Wikipedia" and "English Wikipedia" if the referenced claim was imported from both sites
for snakidx = 1, #snakval do
if snakidx > 1 then refparts = refparts .. ", " end
refparts = refparts .. getSnakValue(snakval[snakidx])
end
end
if refparts then result = result .. frame:extensionTag("ref", refparts) end
end
return result
end
function p.claim(frame)
local property = frame.args[1] or ""
local id = frame.args["id"] -- "id" must be nil, as access to other Wikidata objects is disabled in Mediawiki configuration
local qualifierId = frame.args["qualifier"]
local parameter = frame.args["parameter"]
local list = frame.args["list"]
local references = frame.args["references"]
local showerrors = frame.args["showerrors"]
local default = frame.args["default"]
if default then showerrors = nil end
-- get wikidata entity
local entity = mw.wikibase.getEntityObject(id)
if not entity then
if showerrors then return formatError("entity-not-found") else return default end
end
-- fetch the first claim of satisfying the given property
local claims = findClaims(entity, property)
if not claims or not claims[1] then
if showerrors then return formatError("property-not-found") else return default end
end
-- get initial sort indices
local sortindices = {}
for idx in pairs(claims) do
sortindices[#sortindices + 1] = idx
end
-- sort by claim rank
local comparator = function(a, b)
local rankmap = { deprecated = 2, normal = 1, preferred = 0 }
local ranka = rankmap[claims[a].rank or "normal"] .. string.format("%08d", a)
local rankb = rankmap[claims[b].rank or "normal"] .. string.format("%08d", b)
return ranka < rankb
end
table.sort(sortindices, comparator)
local result
local error
if list then
local value
-- iterate over all elements and return their value (if existing)
result = {}
for idx in pairs(claims) do
local claim = claims[sortindices[idx]]
value, error = getValueOfClaim(claim, qualifierId, parameter)
if not value and showerrors then value = error end
if value and references then value = value .. getReferences(frame, claim) end
result[#result + 1] = value
end
result = table.concat(result, list)
else
-- return first element
local claim = claims[sortindices[1]]
result, error = getValueOfClaim(claim, qualifierId, parameter)
if result and references then result = result .. getReferences(frame, claim) end
end
if result then return result else
if showerrors then return error else return default end
end
end
return p
