Module:Television episode disambiguation description/sandbox

This is the module sandbox page for Module:Television episode disambiguation description (diff).
See also the companion subpage for test cases (run).

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This module depends on the following other modules:

Module:Television episode disambiguation creates an entry in a disambiguation page by converting a plain text episode article name into a correctly formatted link and its short description. The style of the links follows the guidelines at WP:NCTV, MOS:DABENTRY, MOS:ITALICTITLE and MOS:QUOTETITLE.

This module implements the {{Television episode disambiguation description}} template.

Usage

{{#invoke:Television episode disambiguation description|main}}

Parameter list

Parameter	Explanation	Status
`name`	The episode's full article name	required
`not_disambiguated`	Set if the parentheses is part of the episode name	optional
`link_only`	Set if you are only interested in getting a formatted article link	optional

Examples

-- Do not add a style which is not supported by the [[WP:NCTV]] guidelines.

-- This module requires the use of Module:Extract short description.
local extract = require ('Module:Extract short description');

local p = {}

-- Local function used to create the stylized article disambiguation.
local function getStylizedDisambiguation(disambiguation)
	local isDisambiguationExtended = string.find(disambiguation, "episode")				-- Search for the word "episode" in the article name disambiguation (disambiguation is extended).
	
	if not isDisambiguationExtended then												-- Check if the article name has extended disambiguation.
		return "(''" .. disambiguation .. "'')"											-- Article does not have extended disambiguation; 
																						-- Add italics to the disambiguation which should only be the TV series name per [[MOS:ITALICTITLE]] and [[WP:NCTV]].
	else																				-- Articles has extended disambiguation;
		local tvSeries = string.gsub(disambiguation, "episode", "", 1, true)			-- Get the TV series name without the extended disambiguation.
		return "(''" .. tvSeries .. "'' episode)"										-- Add italics to the disambiguation which should only be the TV series name per [[MOS:ITALICTITLE]] and [[WP:NCTV]]; 
	end																					-- and add back the extended disambiguation.

end

-- Local function used to create the stylized article title.
local function getStylizedArticleTitle(articleName)
	local articleTitle = string.gsub(articleName, "%s+%b()$", "", 1, false)				-- Get the article title without the disambiguation.
	return "\"" .. articleTitle .. "\""													-- Add quotation marks to the title per [[MOS:QUOTETITLE]].
end

-- Local function used to get the disambiguated formatted episode link.
local function getDisambiguatedFormattedLink(articleName)
	local disambiguation = string.match(articleName, "%s%((.-)%)")						-- Get the text inside the disambiguation parentheses.
	local stylizedArticleName															-- Variable to save new stylized article name.
	
	if not disambiguation then															-- Check if the article name does not have disambiguation parentheses.
		stylizedArticleName = "\"" .. articleName .. "\""								-- Article does not have disambiguation parentheses; Add quotation marks for the title per [[MOS:QUOTETITLE]].
	else																				-- Article has disambiguation parentheses;
		local stylizedArticleTitle = getStylizedArticleTitle(articleName)				-- Call getStylizedArticleTitle() to get the stylized article title.
		local stylizedDisambiguation = getStylizedDisambiguation(disambiguation)		-- Call getStylizedDisambiguation() to get the stylized disambiguation.
		stylizedArticleName = stylizedArticleTitle .. " " .. stylizedDisambiguation		-- Recreate the article name from the title and disambiguation.
	end
	
	return "[[" .. articleName .. "|" .. stylizedArticleName .. "]]"					-- Create a pipped link and return it.
end

-- Local function used to create a formatted episode link.
local function getFormmatedArticleLink(articleName, parenthesesPartOfTitle)
	local formattedLink																	-- Variable to save the formatted link.

	if (parenthesesPartOfTitle ~= nil) then												-- Check if the parentheses is part of the episode title.
		formattedLink = "\"[[" .. articleName .. "]]\""									-- Parentheses is part of the title; Add quotation marks for the title per [[MOS:QUOTETITLE]].
	else																				-- Parentheses is not part of the title; 
		formattedLink = getDisambiguatedFormattedLink(articleName)						-- Call getDisambiguatedFormmatedLink() to get the disambiguated formatted episode link.
	end

    return formattedLink																-- Return the formatted link.
end

-- Local function used to retrieve the short description
-- from an episode article's Infobox television episode template.
local function getShortDescription(frame, articleName)
	
local templates = {
		'Infobox television episode',
		'Infobox Television episode',
		'Short description',
		'SHD',
		'Shortdescription'
	} 
	
		local good
		shortDescription, good = extract.extract_from_template(article, templates)		-- Call extract_from_template() from Module:Extract short description to get the short description.
		
		if good then 
			-- do something, return shortDescription?
		end
		-- need else?

-- what about this?
	local templateName = table.concat ({												-- Create a a variable of the correct template name - live or sandbox.
		'Infobox television episode',
		frame:getTitle():find('sandbox', 1, true) and '/sandbox' or ''					-- If this module is the ~/sandbox version, then append "/sandbox" to the template name to use its sandbox version.
		});
	
	local shortDescription = extract.extract_from_template(
		frame, articleName, templateName)												-- Call extract_from_template() from Module:Extract short description to get the short description.
	return shortDescription
end

-- Local function that does the actual main process.
local function _main(frame, articleName, parenthesesPartOfTitle, formattedLinkOnly)
	if (formattedLinkOnly ~= nil) then													-- Check if only a formatted link is needed.
	return getFormmatedArticleLink(articleName, parenthesesPartOfTitle)					-- Only a formatted link is needed; Call getFormmatedArticleLink() and return a formatted link.
		
	else																				-- A complete entry is needed;
		local formattedLink = getFormmatedArticleLink(
			articleName, parenthesesPartOfTitle)										-- Call getFormmatedArticleLink() and return a formatted link.
		local shortDescription = getShortDescription(frame, articleName)				-- Call getShortDescription() and return the episode's short description.
		
		return formattedLink .. ", " .. shortDescription								-- Return a complete entry.
	end
end

-- Local function used to create an error message.
local function getErrorMsg(errorMsg)
	return '<span style="font-size:100%;" class="error">error: ' .. errorMsg .. '.</span>'
end

-- Public function used to create an entry for a television episode
-- in a disambiguation page.
-- The entry is in the form of: "<article name>", <short description>
-- If set to "link_only", only a formatted episode link will be returned.
-- See documentation for examples.
--
-- This module function takes three parameters:
--	{{{1}}} or |article= — required; The name of the episode's article name.
--	|not_disambiguated= — optional; Set if the parentheses is part of the episode name.
--	|link_only= — optional; Set if you are only interested in getting a formatted article link.
function p.main(frame)
	local getArgs = require('Module:Arguments').getArgs;								-- Use Module:Arguments to access module arguments.
	local args = getArgs(frame);														-- Get the arguments sent via the template.

	local articleName = args["name"]													-- Get the article name.
	
	if (articleName == nil) then														-- Check if the article name was entered.
		return getErrorMsg("an article title is required")								-- No article name was entered; Call getErrorMsg() to create an error message and return it.
	end

	local parenthesesPartOfTitle = args["not_disambiguated"]							-- Get the optional value.
	local formattedLinkOnly = args["link_only"]											-- Get the optional value.

	return _main(frame, articleName, parenthesesPartOfTitle, formattedLinkOnly)			-- Call _main() to peform the actual process.

end	

return p