Module:ResourceLink: Difference between revisions

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(Undo revision 1572 by Aeredor (talk))
Tag: Undo
(now with error checking!)
 
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-------------------------------------------------------------------------------
--- @module ResourceLink
-- Renders the {{resourceLink}} template
local ResourceLink = {}
--
 
-- Takes an argument, the name of the resource. Optionally, accepts a second
 
-- argument, "med" or "large" to render the icon as larger than the standard
--region Dependencies
-- size of text, {{ImgS}}
 
-------------------------------------------------------------------------------
local GoodsData = require("Module:GoodsData")
 
local VIEW_TEMPLATE = "Resource_link/view"
 
--endregion
 
 
 
--region Private constants
 
local VALID_SIZE = {
["none"] = true,
["small"] = true,
["medium"] = true,
["large"] = true,
["huge"] = true,
}
 
--endregion
 
 
 
--region Private methods
 
---validateResourceName retrieves the icon from the data module.
---
---@param name string the display name of a resource
---@return string the filename of the icon
local function validateResourceName(name)
 
local goodID = GoodsData.getGoodID(name)
local validatedIcon = GoodsData.getIcon(goodID)


local ResourceLink = {}
if not validatedIcon then
error("No resource found with name: " .. name .. ". Please see the template documentation for how to use the parameters")
end
 
return validatedIcon
end


local ResourceData = require("Module:ResourceData") -- lookup table for image filenames
--endregion




-------------------------------------------------------------------------------
-- Constants
-------------------------------------------------------------------------------
local TEMPLATE_IMGSMALL = "ImgS"
local TEMPLATE_IMGMED = "ImgM"
local TEMPLATE_IMGLARGE = "ImgL"
local TEMPLATE_IMGHUGE = "ImgH"


local REPLACEMENT_FILENAME = "Question_mark.png"
--region Public methods


---main is called from the template to create a link, with an icon, to the page for the specified goods.
---
---@param frame table the Mediawiki template context
---@return string wikimarkup generated by the view template
function ResourceLink.main(frame)


local name = frame.args.name
local iconSize = frame.args.size
local display = frame.args.display


-------------------------------------------------------------------------------
if not name or name == "" then
-- Main rendering function
error("You must specify a resource. Please see the template documentation for how to use the parameters")
-- uses ResourceData lookup function, parses the result and handles errors
-- with default values, then assembles a final string to return to the wiki
-------------------------------------------------------------------------------
function ResourceLink.renderLink(frame)
local argResourceName = frame.args.resource
local argResourceIconSize = frame.args.iconsize
 
if not argResourceName then
return "resourceLink Error: no resource named"
end
end
 
 
-- get the data about the resource and then adopt the provided name
-- Validate the name.
-- in case we need to look it up again
validatedIcon = validateResourceName(name)
local tableData = ResourceData.getData(argResourceName)
 
local strPageName = tableData.page
-- Handle default icon size.
-- if looking up the provided resource name returned no page, then render an error
if not iconSize or iconSize == "" or not VALID_SIZE[iconSize] then
if not strPageName then
iconSize = "small"
return "resourceLink Error: " .. argResourceName .." not found"
end
end
 
-- if the icon filename didn't exist, then show a default but subtle question mark icon instead
-- The args to pass to the view.
-- this will help people with troubleshooting, instead of just showing no icon then editors
viewParameters = {
-- wonder what went wrong
["name"] = name,
local strIconFilename = tableData.iconfile or REPLACEMENT_FILENAME
["iconfilename"] = validatedIcon,
["iconsize"] = iconSize,
-- use the established templates for image sizes, with the default being
["display"] = display,
-- small, or in-line size, for resources
}
local switchIconSize = {
 
["med"] = frame:expandTemplate{title=TEMPLATE_IMGMED},
return frame:expandTemplate{
["large"] = frame:expandTemplate{title=TEMPLATE_IMGLARGE},
title = VIEW_TEMPLATE,
["huge"] = frame:expandTemplate{title=TEMPLATE_IMGHUGE}
args = viewParameters,
}
}
-- if it's not in the switch, then use the default, small size
local strIconSize = switchIconSize[argResourceIconSize] or frame:expandTemplate{title=TEMPLATE_IMGSMALL}
-- combine the string parts to return to the page
local strFilePart = string.format("[[File:%s|%s|link=%s|alt=%s|%s]]", strIconFilename, strIconSize, strPageName, strPageName, strPageName)
-- combine the file part with the link part
return strFilePart .. " [[" .. strPageName .. "]]"
end
end


--endregion


-------------------------------------------------------------------------------
-- Return when required into another Module.
-------------------------------------------------------------------------------
return ResourceLink
return ResourceLink

Latest revision as of 02:44, 19 October 2024

Documentation for this module may be created at Module:ResourceLink/doc

--- @module ResourceLink
local ResourceLink = {}


--region Dependencies

local GoodsData = require("Module:GoodsData")

local VIEW_TEMPLATE = "Resource_link/view"

--endregion



--region Private constants

local VALID_SIZE = {
	["none"] = true,
	["small"] = true,
	["medium"] = true,
	["large"] = true,
	["huge"] = true,
}

--endregion



--region Private methods

---validateResourceName retrieves the icon from the data module.
---
---@param name string the display name of a resource
---@return string the filename of the icon
local function validateResourceName(name)

	local goodID = GoodsData.getGoodID(name)
	local validatedIcon = GoodsData.getIcon(goodID)

	if not validatedIcon then
		error("No resource found with name: " .. name .. ". Please see the template documentation for how to use the parameters")
	end

	return validatedIcon
end

--endregion



--region Public methods

---main is called from the template to create a link, with an icon, to the page for the specified goods.
---
---@param frame table the Mediawiki template context
---@return string wikimarkup generated by the view template
function ResourceLink.main(frame)

	local name = frame.args.name
	local iconSize = frame.args.size
	local display = frame.args.display

	if not name or name == "" then
		error("You must specify a resource. Please see the template documentation for how to use the parameters")
	end

	-- Validate the name.
	validatedIcon = validateResourceName(name)

	-- Handle default icon size.
	if not iconSize or iconSize == "" or not VALID_SIZE[iconSize] then
		iconSize = "small"
	end

	-- The args to pass to the view.
	viewParameters = {
		["name"] = name,
		["iconfilename"] = validatedIcon,
		["iconsize"] = iconSize,
		["display"] = display,
	}

	return frame:expandTemplate{
		title = VIEW_TEMPLATE,
		args = viewParameters,
	}
end

--endregion

return ResourceLink