Mô đun:PopulationFromWikidata

---------------- Defining variables--------------------
local Pop_P = "P1082" -- population property
local Applies_P = "P518" -- applies to part property
local Pointin_P = "P585" -- point in time property
local DetMeth_P = "P459" -- determination method property
local RefURL_P = "P854" -- reference URL
local RefTitle_P = "P1476" -- reference title
local RefPubIn_P = "P1433" --reference published in property
local DatePub_P = "P577" -- date of publication property
local Publisher_P = "P123" -- publisher property
local Retrieved_P = "P813" -- retrieved property
local CensusAU_I = "Q5058971" -- Australian census item
local Instof_P = "P31" -- instance of property
local ShortN_P = "P1813" -- short name property

local SAL_I = "Q33112019" -- state suburb item (includes SSC and SAL)
--local GCCSA_I = "Q112762887" -- Greater Capital City Statistical Area item
local LGA_I = "Q33127844" -- Local Government Area item
local UCL_I = "Q33127891" -- Urban Centre or Locality
--local SA2_I = "Q33128776" -- SA2
local ILOC_I = "Q112729549" -- Indigenous Location

local item = nil

--------------- Function GetRefsForClaim to check, collate and format all the reference components----------------------

function GetRefsForClaim(claim, defaulttitle)
local refs = ""
for b,x in pairs(claim.references) do -- Loop through all references in a claim and pull out the components
local refurl = "" -- initialise an empty URL, check if there is one then populate with the actual value (if not it stays as an empty string)
if claim.references[b].snaks[RefURL_P] ~= nil then
refurl = claim.references[b].snaks[RefURL_P][1].datavalue.value
end

local reftitle = defaulttitle -- Initialise the default title as the Wikidata item title. This is the fallback title if one isn't provided in the references
if claim.references[b].snaks[RefTitle_P] ~= nil then
reftitle = claim.references[b].snaks[RefTitle_P][1].datavalue.value.text
end

local detmet = mw.wikibase.getEntity(claim.qualifiers[DetMeth_P][1].datavalue.value.id) -- Get the dertermination method item

local pubinlabel = "" --Initalising an empty published in label. This is the last option for this value.
if claim.references[b].snaks[RefPubIn_P] ~= nil then --Checking if the published in part of reference exists (it should for all references)
local pubin = mw.wikibase.getEntity(claim.references[b].snaks[RefPubIn_P][1].datavalue.value.id) --If it does then grab the published item and the label of that item
pubinlabel = pubin.labels.en.value
end

local refwork = pubinlabel -- This value is used for non-census references, or as a fall-back value for census references with missing parts
local pubdate = "" -- This is the fallback option if published date is missing (no date)
if claim.references[b].snaks[DatePub_P] ~= nil then -- This is the second option for the published date (given with references - this is used for non-census references)
pubdate = mw.language.getContentLanguage():formatDate('j F Y', claim.references[b].snaks[DatePub_P][1].datavalue.value.time)
end

if detmet.claims[Instof_P] ~=nil and detmet.claims[Instof_P][1].mainsnak.datavalue.value.id == CensusAU_I then -- Checking for census references (which will have different refwork and published date sources)
refwork = detmet.labels.en.value.." "..pubinlabel -- Concatenating to get work - determination method + published in (this overwrites the refwork value for census references)
if detmet.claims[DatePub_P] ~=nil then
pubdate = mw.language.getContentLanguage():formatDate('j F Y', detmet.claims[DatePub_P][1].mainsnak.datavalue.value.time) -- Overwrite the published date value if the determination method item has a date published (for census references)
end
end

local refpublisher = "" -- The publisher is empty if missing
if detmet.claims[Publisher_P] ~= nil then
local publisheritem = mw.wikibase.getEntity(detmet.claims[Publisher_P][1].mainsnak.datavalue.value.id) -- Get the determination method item and the publisher item ID
refpublisher = publisheritem.labels.en.value -- Get the label of the publisher item
end

local refaccessdate = "" -- The retrieved date fallback is empty
if claim.references[b].snaks[Retrieved_P] ~= nil then
refaccessdate = mw.language.getContentLanguage():formatDate('j F Y', claim.references[b].snaks[Retrieved_P][1].datavalue.value.time) -- Populate the retrieved date if it's there
end

local appliespart = mw.wikibase.getEntity(claim.qualifiers[Applies_P][1].datavalue.value.id).labels.en.value -- The ABS geography type for the particular claim (to use in reference name)
local pointintime = mw.language.getContentLanguage():formatDate('Y', claim.qualifiers[Pointin_P][1].datavalue.value.time) -- Getting the point in time as a YYYY (to use in the reference name)

local citewebargs = { --Putting all the cite_web arguments into a list (for a single reference)
url = refurl,
title = reftitle.." ("..appliespart..")" ,
date = pubdate,
work = refwork,
author = ""..refpublisher.."", -- Changed the publisher to author for now to match existing population references
accessdate = refaccessdate
}

local wdeditpencil = mw.getCurrentFrame():expandTemplate{title = 'EditAtWikidata', args = {qid = item.id, pid = claim.id, nbsp = 1}} --Call the Edit At Wikidata template (to add the edit pencil to end of references)

local reference = mw.getCurrentFrame():expandTemplate{ title = 'chú thích web', args = citewebargs } --expand template to feed arguments to cite_web

refs = refs..mw.getCurrentFrame():extensionTag{ name = 'ref', content = reference..wdeditpencil, { name = refwork.."_"..pointintime.."_"..appliespart.."_"..reftitle } } --Add the reference from this iteration to the list of references for this particular claim

end
return refs -- List of references to be given to reflist
end

---------------This is a function for getting the population geography abbreviation and the Wikipedia article link for the population year ---------------
function GetAbbrLabelYearLink(returnclaim)
local appliespartitem = mw.wikibase.getEntity(returnclaim.qualifiers[Applies_P][1].datavalue.value.id) -- This gets the item ID for the current claim Applied to Part value
local abbrelabel = appliespartitem.labels.en.value -- This is the fall back value for the geography label if no abbreviation (short name) value exists in Wikidata item
if appliespartitem.claims[ShortN_P] ~= nil then -- If a short name value exists then use thi value instead of the full item label.
abbrelabel = mw.getCurrentFrame():expandTemplate{title = 'Abbr', args = {appliespartitem.claims[ShortN_P][1].mainsnak.datavalue.value.text , appliespartitem.labels.en.value }} -- Output the abbreviated name with tooltip showing the full label
end

local year = string.sub(returnclaim.qualifiers[Pointin_P][1].datavalue.value.time, 2, 5) -- Get the population point in time as a year string
local yearreturn = year -- If no links to Wikipedia articles describing population determination method exist then just output year

local detmetitem = mw.wikibase.getEntity(returnclaim.qualifiers[DetMeth_P][1].datavalue.value.id) -- Get the current claim determination method item
if detmetitem.sitelinks ~=nil and detmetitem.sitelinks.enwiki ~=nil then -- Check if the determination method item has an enwiki URL
yearreturn = "".. year.."" -- If it does, use this URL as the link with the year value
elseif detmetitem.claims[Instof_P] ~=nil and detmetitem.claims[Instof_P][1].mainsnak.datavalue.value.id == CensusAU_I then -- If there isn't a populated enwiki URL for determination method item AND it's a census determination method then...
yearreturn = "".. year.."" -- ... return the population year linked to the corresponding section of the Census in Australia article
end
return abbrelabel.." "..yearreturn -- Join the geography abbreviation to the year (with link) ready for the final output
end


---------------- This ListForInfobox function is being used to grab the correct population value ---------------

local p = {}

function p.ListForInfobox( frame )
local luaplacetype = "" --Initialise the local place type
if frame.args.type == nil then
return ""
end
local articleplacetype = string.lower(frame.args.type) -- Bring in the place type entered into Infobox Australian place template, change to a lower case string
if articleplacetype == "town" then -- Check which place type and match to the equivalent ABS geographic area "city", "suburb", "town", "lga", "region"
luaplacetype = UCL_I
elseif articleplacetype == "suburb" then
luaplacetype = SAL_I
elseif articleplacetype == "city" then
luaplacetype = UCL_I
elseif articleplacetype == "lga" then
luaplacetype = LGA_I
elseif articleplacetype "region" then -- for now saying region LGA_I... but unclear what is most apprpriate ABS geography type.... can revise
luaplacetype = LGA_I
end

if frame.args.wikidata ~= nil and frame.args.wikidata ~= "" then -- checking if there's a linked Wikidata item for the article
item = mw.wikibase.getEntity(frame.args.wikidata) -- this is the default item specified by the wikidata parameter in the template
else
item = mw.wikibase.getEntity() -- If there's a Wikidata item connected to the article it will find it here.
end


-- mw.logObject(item)

--------------- CHECK: If item.claims[Pop_P] is nil. If it is return an empty string ----------------------
if item nil or item.claims[Pop_P] nil then
return ""
end


------------ PART 1: Find claims with (1) point in time is not nil, (2) applies to part is not nil, (3) determination method is not nil and (4) References table is not empty-------------

local validpopclaims = {} --initialise the blank claim table for storing all population claims that satisfy the four conditions
z=0 -- initialise the table row count
for j, s in pairs(item.claims[Pop_P]) do
if s.qualifiers ~= nil and
s.qualifiers[Pointin_P]~= nil and
s.qualifiers[Applies_P] ~= nil and
s.qualifiers[DetMeth_P] ~= nil and
s.references ~= nil then

z=z+1
validpopclaims[z]=s -- give the claim a new key in the table
end
end

--------------- CHECK: If count of validpopclaims is less than one (eg 0) then return a html message. This checks we have something from which to get a population value and basic reference.--------------
if validpopclaims = maxclaimspertemplategeog.qualifiers[Pointin_P][1].datavalue.value.time)
then
maxclaimspertemplategeog=v
end
end

----------PART 3B: Find the max date of claims with non-Infobox template geography-----------------

local maxclaimsperothergeog = {}

for l, m in pairs(othergeog) do --loop through all the claims with geography type = non Infobox place type
local oclaimdate = m.qualifiers[Pointin_P][1].datavalue.value.time
local claimgeog = m.qualifiers[Applies_P][1].datavalue.value.id
if maxclaimsperothergeog[claimgeog] == nil -- using the applies to part value as the table key
or (maxclaimsperothergeog[claimgeog] ~= nil
and oclaimdate >= maxclaimsperothergeog[claimgeog].qualifiers[Pointin_P][1].datavalue.value.time) -- checking the max date for a particular geography value
then
maxclaimsperothergeog[claimgeog]=m -- overwrites with a geography-max date claim pair whenever the point in time is bigger than the last iteration.
end
end



------------------------------Compiling the module output--------------------------------

local returnlist = {} -- Initiate an empty table to store the output claims
if maxclaimspertemplategeog ~=nil then -- Situation 1: Getting population for max date claim where applies to part matches the Infobox place type
local templategeogrefs = GetRefsForClaim(maxclaimspertemplategeog, item.labels.en.value) -- Getting the references for max date claim where Wikidata applies to part matches the Infobox place type
table.insert (returnlist, mw.language.getContentLanguage():formatNum(tonumber(maxclaimspertemplategeog.mainsnak.datavalue.value.amount)).." ("..GetAbbrLabelYearLink(maxclaimspertemplategeog)..")"..templategeogrefs) --Insert the return string to returnlist. With population value, applies to part, point in time, reference

elseif articleplacetype == "town" then -- Situation 2: Getting population for max date claims where Infobox place type = town. If no UCL populations (earlier default) then get ILOC and SAL populations.
if maxclaimsperothergeog[ILOC_I]~=nil then
local ILOCrefs = GetRefsForClaim(maxclaimsperothergeog[ILOC_I], item.labels.en.value) -- Getting the references for max date claim where applies to part = ILOC
table.insert (returnlist, mw.language.getContentLanguage():formatNum(tonumber(maxclaimsperothergeog[ILOC_I].mainsnak.datavalue.value.amount)).." ("..GetAbbrLabelYearLink(maxclaimsperothergeog[ILOC_I])..")"..ILOCrefs) --Insert the return string to returnlist. With population value, applies to part, point in time, reference
end
if maxclaimsperothergeog[SAL_I]~=nil then
local SALrefs = GetRefsForClaim(maxclaimsperothergeog[SAL_I], item.labels.en.value) -- Getting the references for max date claim where applies to part = SAL
table.insert (returnlist, mw.language.getContentLanguage():formatNum(tonumber(maxclaimsperothergeog[SAL_I].mainsnak.datavalue.value.amount)).." ("..GetAbbrLabelYearLink(maxclaimsperothergeog[SAL_I])..")"..SALrefs) --Insert the return string to returnlist. With population value, applies to part, point in time, reference
end
else
for a, w in pairs(maxclaimsperothergeog) do -- Situation 3: Getting population for max date claims where applies to part doesn't = Infobox place type, and Infobox place type doesn't = town.
local othergeogrefs = GetRefsForClaim(w, item.labels.en.value) -- Loop through the claims in maxclaimsperothergeog and output all of them
table.insert (returnlist, mw.language.getContentLanguage():formatNum(tonumber(maxclaimsperothergeog[a].mainsnak.datavalue.value.amount)).." ("..GetAbbrLabelYearLink(maxclaimsperothergeog[a])..")"..othergeogrefs) --Insert the return string to returnlist. With population value, applies to part, point in time, reference
end
end

local wikitext = "" -- Initialise an empty string output (this is the value that goes back to the Infobox Australian place)
if returnlist == 1 then -- If there is only one formatted "population (geography year)" string (one row) in returnlist then return it without a bullet point
wikitext = returnlist[1]
else
wikitext = "\n"..table.concat(returnlist,"\n") -- If there are multiple formatted "population (geography year)" strings (multiple rows) in returnlist then return all the rows with new line and bullet points between them
end
return wikitext.. -- Append the category to the output so we can keep track of which articles are using this module to output a population value
end

return p