Module:Page assessment

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This module is rated as alpha. It is ready for third-party input, and may be used on a few pages to see if problems arise, but should be watched. Suggestions for new features or changes in their input and output mechanisms are welcome.

This module returns a page's assessment (class rating), by:

Detecting non-existent pages (Needed class); or
Detecting non-existent talk pages (Unassessed class); or
Detecting redirects and disambiguation pages (Redirect or Disambig class); or
Looking at the talk page for the value in the first |class= parameter; or
Looking at the namespace of the page

Usage

text

Returns the class as text. {{#invoke:Page assessment|main|page name}}

Examples: {{#invoke:Page assessment|main|Wikipedia}} → Lua error in package.lua at line 80: module 'Module:No globals' not found.; {{#invoke:Page assessment|main|Wiktionary}} → Lua error in package.lua at line 80: module 'Module:No globals' not found.; {{#invoke:Page assessment|main|Wikt}} → Lua error in package.lua at line 80: module 'Module:No globals' not found.

icon

Returns the class as an icon. {{#invoke:Page assessment|icon|page name}}

Examples: {{#invoke:Page assessment|icon|Wikipedia}} → Lua error in package.lua at line 80: module 'Module:No globals' not found.; {{#invoke:Page assessment|icon|Wiktionary}} → Lua error in package.lua at line 80: module 'Module:No globals' not found.; {{#invoke:Page assessment|icon|Wikt}} → Lua error in package.lua at line 80: module 'Module:No globals' not found.

iconLink

Returns the class as an icon and a link to the page. {{#invoke:Page assessment|iconLink|page name}}

Examples: {{#invoke:Page assessment|iconLink|Wikipedia}} → Lua error in package.lua at line 80: module 'Module:No globals' not found.; {{#invoke:Page assessment|iconLink|Wiktionary}} → Lua error in package.lua at line 80: module 'Module:No globals' not found.; {{#invoke:Page assessment|iconLink|Wikt}} → Lua error in package.lua at line 80: module 'Module:No globals' not found.

In other templates

The output can be passed into other templates or modules, for example to generate table cells:

{|class=wikitable
! Class !! Article
|-
{{class|{{#invoke:Page assessment|main|Wiktionary}}}}<td>[[Wiktionary]]</td>
|}

Class	Article
???	Wiktionary

The above documentation is transcluded from Module:Page assessment/doc.
Editors can experiment in this module's sandbox and testcases pages.
Subpages of this module.

require('Module:No globals')
local getArgs = require('Module:Arguments').getArgs
local p = {}
local util = {}

--[[
Gets the wikitext of a page and its related talk or subject page (nil if it does
not exist)

@param {string} pageName
@returns {string|nil, string|nil} subject page wikitext, talk page wikitex
]]--
function util.getWikitext(pageName)
	local title = mw.title.new(pageName)
	if not title then
		return nil, nil
	end
	local subjectTitle = title.subjectPageTitle
	local talkpageTitle = title.talkPageTitle
	return subjectTitle:getContent(), talkpageTitle:getContent()
end

--[[
Creates a pattern for finding the value given to a parameter within any template
call.

@param {string} param
@returns {string} pattern
]]--
function util.paramValuePattern(param)
	return "{{[^}]*|%s*" .. param .. "%s*=([^|{}]+)"
end

function p.class(pageName)
	local subjectWikitext, talkpageWikitext = util.getWikitext(pageName)
	if not subjectWikitext then -- page does not exist
		return "needed"
	elseif not subjectWikitext then -- talk page does not exist
		return "unassessed"
	else
		local classParam = mw.ustring.match(talkpageWikitext, "{{.-%|%s*class%s*=([^}%|]*)", 0) or ""
		return mw.text.trim(classParam)
	end
end

function p.main(frame)
	local args = getArgs(frame, {
		parentFirst = true
	})
	return p.class(args[1])
end

p.util = util
return p