Module:Attached KML

-- Note: Originally written on English Wikipedia as w:en:Module:Attached_KML -- ##### Localisation (L10n) settings ##### local L10n = {}

-- Template parameter names -- (replace values in quotes with local parameter names) L10n.para = { display		= "display", from		= "from", header		= "header", title		= "title", wikidata	= "wikidata", demo		= "demo", }

-- Other configuration settings L10n.config = { inline_format	= "box",			-- controls the format used for inline display, can be set to "box" (default) or "line" -- "box" example: https://en.wikipedia.org/wiki/Template:Attached_KML -- "line" example: https://sv.wikipedia.org/wiki/Mall:KML }

-- Other strings L10n.str = { inline		= "inline",			-- used with display parameter: (|display=inline) or (|display=title) or (|display=inline,title) or (|display=title,inline) title		= "title",			-- (as above) dsep		= ",",				-- separator between inline and title (comma in the example above) kml_prefix	= "Template:Attached KML/",	-- local KML files are stored as subpages of this location default_title	= "Route map",			-- default title for links at top of page, when title parameter not used in transclusion default_header	= "",				-- default header for links in inline box, when header parameter not used in transclusion kml_file	= "KML file",			-- text to display for link to raw KML file edit		= "edit",			-- text to display for link to edit KML file help		= "help",			-- text to display for help page link help_location	= "Help:Attached KML",		-- page to link to for help page link err_prepend	= "Attached KML",		-- text to prepend to the error messages, when shown at top of page (display=title) err		= {				-- error messages malformed_qid	= "Error: malformed item id in  ",	-- item id doesn't match pattern (number with Q prefix) bad_qid		= "Error: item specified on Wikidata, or in, is not a KML file (P31→Q26267864 not found) ",	-- item doesn't have a P31→Q26267864 statement no_item		= "Error: item specified in  not found on Wikidata",	-- item not found on wikidata bad_from	= "Error: KML file not found, check ",	-- KML specified by from parameter doesn't exist no_kml		= "Error: KML file not found",	-- no KML file found },	cat		= {				-- tracking categories: full wikimarkup required, or set to the empty string ("") to not to track the condition wikidata_kml	= "",	-- tracks mainspace articles using KML from Wikidata local_kml	= "",	-- tracks mainspace articles not using KML from Wikidata error_mqid	= "",			-- tracks malformed_qid error error_badqid	= "",			-- tracks bad_qid error error_noitem	= "",			-- tracks no_item error error_from	= "",			-- tracks bad_from error error_nokml	= "",			-- tracks no_kml error },	line		= {				-- these strings are only needed if using 'inline_format = "line"' configuration start		= "",				-- wikitext to display at start of line, may include image markup, should start with a space separator	= "",				-- text to display between links to external mapping providers, should include spaces }, }

-- Masks for external mapping providers, in the form: --  externalLinkMasks[index-number] = { short = "short-label", long = "long-label", link = "url" }' -- The short label is used for the title links; the long label is used for the inline links -- Links in the output will be ordered by index-number -- Instead of kml file's raw url or encoded raw url, use __KML_URL__  or  __KML_URL_E__ local externalLinks = {} --externalLinks[1] = { --	short = "Bing", --	long = "Display on Bing Maps", --	link = "http://www.bing.com/maps/?mapurl=__KML_URL__" --}

-- #### End of L10n settings ####

-- Table of available wikis, in the order that they are to be searched for kml files -- (once a kml file is found, further sites are not checked) local sites = {} sites[1] = { mw.ustring.match( mw.site.server, "%w+" )  .. mw.ustring.gsub( mw.ustring.lower(mw.site.siteName), "[mp]edia", ""), mw.ustring.sub(mw.site.server, 3), "" } -- local wiki (listed first so local files can override files on other wikis) sites[2] = { "commonswiki", "commons.wikimedia.org", "c:" } -- Commons would be a logical central repository for KML files (but has no files as of August 2016) sites[3] = { "enwiki", "en.wikipedia.org", "w:en:" } -- largest source of KML files (as of August 2016) sites[4] = { "bnwiki", "bn.wikipedia.org", "w:bn:" } -- other sites with a KML template, listed in alphabetical order sites[5] = { "cswiki", "cs.wikipedia.org", "w:cs:" } sites[6] = { "fawiki", "fa.wikipedia.org", "w:fa:" } sites[7] = { "frwiki", "fr.wikipedia.org", "w:fr:" } sites[8] = { "jawiki", "ja.wikipedia.org", "w:ja:" } sites[9] = { "mlwiki", "ml.wikipedia.org", "w:ml:" } sites[10] = { "svwiki", "sv.wikipedia.org", "w:sv:" } sites[11] = { "zhwiki", "zh.wikipedia.org", "w:zh:" }

--Parameter for cleaned-up parent.args (whitespace trimmed, blanks removed) local Args = {}

local p = {}

function p.main(frame) local parent = frame.getParent(frame) Args = setCleanArgs(parent.args)

local qid = Args[L10n.para.wikidata] or nil

-- get KML file url local wikiUrl, wikiTitle, wikiLink, trackingWikitext, kmlError if not (Args[L10n.para.from]) then if not qid then wikiUrl, wikiLink, siteindex, kmlError = getUrlFromWikidata elseif mw.ustring.find( qid, "^Q%d+" ) then wikiUrl, wikiLink, siteindex, kmlError = getUrlFromQid(qid) else kmlError = makeError(L10n.str.err.malformed_qid, L10n.str.cat.error_mqid) end end if not (wikiUrl) then wikiLink = Args[L10n.para.from] or mw.title.new(tostring(mw.title.getCurrentTitle)).text wikiLink = L10n.str.kml_prefix .. wikiLink wikiTitle = mw.title.new( wikiLink ) if not (wikiTitle.exists) and not (kmlError) then if Args[L10n.para.from] then kmlError = makeError(L10n.str.err.bad_from, L10n.str.cat.error_from) else kmlError = makeError(L10n.str.err.no_kml, L10n.str.cat.error_nokml) end end wikiUrl = wikiTitle:fullUrl("action=raw","https") siteindex = 1 trackingWikitext = mw.ustring.format( "KML is not from Wikidata ", L10n.str.cat.local_kml ) else trackingWikitext = mw.ustring.format( "KML is from Wikidata ", L10n.str.cat.wikidata_kml ) end

-- replace __KML_URL__ or __KML_URL_E__ with actual values local encodedWikiUrl = mw.uri.encode(wikiUrl, "PATH") for i, v in ipairs( externalLinks ) do		local el1 = safeReplace( v.link, "__KML_URL__", wikiUrl ) local el2 = safeReplace( el1, "__KML_URL_E__", encodedWikiUrl ) externalLinks[i]["link"] = el2 end

-- suppress errors and categories if demo parameter is set if Args[L10n.para.demo] then kmlError = nil trackingWikitext = "" end

local wikitext = "" if Args[L10n.para.display] then local display = mw.text.split(Args[L10n.para.display], '%s*' .. L10n.str.dsep .. '%s*') if display[1] == L10n.str.title or display[2] == L10n.str.title then wikitext = makeTitleWikitext(Args[L10n.para.title] or L10n.str.default_title, kmlError) end if display[1] == L10n.str.inline or display[2] == L10n.str.inline or (display[1] ~= L10n.str.title and display[2] ~= L10n.str.title) then local inlineWikitext = makeInlineWikitext(Args[L10n.para.header] or L10n.str.default_header, wikiUrl, kmlError) wikitext = wikitext .. inlineWikitext end else wikitext = makeInlineWikitext(Args[L10n.para.header] or L10n.str.default_header, wikiUrl, kmlError) end wikitext = wikitext .. makeKmldataDiv(wikiLink, siteindex) .. trackingWikitext

return frame:preprocess( wikitext )

end

function setCleanArgs(argsTable) local cleanArgs = {} for key, val in pairs(argsTable) do		if type(val) == 'string' then val = val:match('^%s*(.-)%s*$') if val ~= '' then cleanArgs[key] = val end else cleanArgs[key] = val end end return cleanArgs end

function safeReplace(string, pattern, replacement) -- avoids "Lua error: invalid capture index" that occurs with string.gsub when the replacement contains one or more literal % character local nonpattern_parts = mw.text.split( string, pattern ) return table.concat(nonpattern_parts, replacement) end

function makeTitleWikitext(titletext, err) if err and L10n.str.err_prepend then err = mw.ustring.gsub( err, ">", ">" .. L10n.str.err_prepend .. " ", 1 ) end

local titleLinks = {} for i, v in ipairs( externalLinks ) do		titleLinks[i] = mw.ustring.format( "[%s %s]", v.link, v.short) end return mw.ustring.format( "\'\'\'%s\'\'\': %s  ", titletext, err or table.concat(titleLinks, " / ") ) end

function makeInlineWikitext(headertext, url, err) local inlineLinks = {} for i, v in ipairs( externalLinks ) do		inlineLinks[i] = mw.ustring.format( "[%s %s]", v.link, v.long) end local editUrl = mw.ustring.gsub( url, "action=raw", "action=edit" ) local wiki_link_class if mw.ustring.find( editUrl, mw.site.server, 1, true ) then wiki_link_class = "plainlinks" else wiki_link_class = "" end

if L10n.config.inline_format == "line" then return mw.ustring.format( "%s%s%s ([%s %s] ([%s %s] • %s)  )", headertext, L10n.str.line.start, err or table.concat(inlineLinks, L10n.str.line.separator), wiki_link_class, url, L10n.str.kml_file, editUrl, L10n.str.edit, L10n.str.help_location, L10n.str.help) else return mw.ustring.format( " ", headertext, wiki_link_class, url, L10n.str.kml_file, editUrl, L10n.str.edit, L10n.str.help_location, L10n.str.help, err or table.concat(inlineLinks, "") ) end end

function makeKmldataDiv(link, s_index) return mw.ustring.format( "%s%s ", sites[s_index][2], link, sites[s_index][3], link )

end

function makeError(msg, cat) return mw.ustring.format( "%s%s%s%s%s%s", "",  mw.ustring.gsub( msg, " ", "" ), " ", "") end

function getUrlFromWikidata					-- Attempts to get url from linked wikidata items, will return nil if it can't	local entity = mw.wikibase.getEntityObject if not entity then return nil end

local kml_claim = entity:getBestStatements("P3096")	-- P3096 is property "KML file" if kml_claim then -- get the QID of the first value of the property if (kml_claim[1] and kml_claim[1].mainsnak.snaktype == "value" and kml_claim[1].mainsnak.datavalue.type == "wikibase-entityid") then local kml_qid = "Q" .. kml_claim[1].mainsnak.datavalue.value["numeric-id"] return getUrlFromQid( kml_qid ) else return nil	-- TODO: error message end else return nil	-- TODO: error message end end

function getUrlFromQid( kml_qid ) local pcall_result, kml_entity = pcall(mw.wikibase.getEntity, kml_qid) if not pcall_result then return nil, nil, nil, makeError(L10n.str.err.no_item, L10n.str.cat.error_noitem) end -- Error if entity doesn't exist

local p31_claim = kml_entity:getBestStatements("P31")		-- P31 is property "instance of" local has_good_p31 for k, v in pairs( p31_claim ) do		if (p31_claim[k] and p31_claim[k].mainsnak.snaktype == "value" and p31_claim[k].mainsnak.datavalue.type == "wikibase-entityid" and p31_claim[k].mainsnak.datavalue.value["numeric-id"] == 26267864) then has_good_p31 = true end end if not (has_good_p31) then return nil, nil, nil, makeError(L10n.str.err.bad_qid, L10n.str.cat.error_badqid) end -- Error if item isn't a kml file

local kml_sitelink local kml_siteindex local kml_url for i, v in ipairs( sites ) do		kml_sitelink = kml_entity:getSitelink( v[1] ) if kml_sitelink then kml_url = "https://" .. v[2] .. "/w/index.php?title=" .. mw.uri.encode( kml_sitelink, "WIKI" ) .. "&action=raw" kml_siteindex = i		end if kml_url then break end end return kml_url or nil, kml_sitelink or nil, kml_siteindex or nil, nil end

return p