Module:UserLinks

local p = {}

local ToolbarBuilder = require('Module:Toolbar')
local u = {} -- Table for user-data helper strings.

--------------------------------------------------------------------------------------------------
--      Below are the helper strings available for writing user link functions.                 --
--      If the project name has not been specified, all the project strings will be             --
--      the blank string, ''. If the username is not specified, the module outputs an error.    --
--      Either way, there is no need to worry about escaping nil values when using the          --
--      helper strings.                                                                         --
--                                                                                              --
--      u.username          The plain username                                                  --
--      u.usernameHtml      The username html-encoded. Spaces are encoded with plus signs.      --
--      u.usernameHtmlWiki  The username html-encoded. Spaces are encoded with underscores.     --
--                                                                                              --
--      u.project           The plain project name.                                             --
--      u.projectColon      The project name with two colons surrounding it, i.e. ":project:"   --
--                                                                                              --
--      If you want more strings, you can define them in the generateUserDataStrings            --
--      function below.                                                                         --
--------------------------------------------------------------------------------------------------

local function makeUserLink()
    return '[[' .. u.projectColon .. 'User:' .. u.username .. '|' .. u.username .. ']]'
end

local function makeTalkLink()
    return '[[' .. u.projectColon .. 'User talk:' .. u.username .. '|talk]]'
end

local function makeContribsLink()
    return '[[' .. u.projectColon .. 'Special:Contributions/' .. u.username .. '|contribs]]'
end

local function makeCountLink()
    return '[//tools.wmflabs.org/xtools/pcount/index.php?name=' .. u.usernameHtml .. '&lang=en&wiki=wikipedia count]'
end

local function makeMovesLink()
    return '[[' .. u.projectColon .. 'Special:Log/move/' .. u.username .. '|page&nbsp;moves]]'
end

local function makeLogsLink()
    return '[[' .. u.projectColon .. 'Special:Log/' .. u.username .. '|logs]]'
end

local function makeBlockLogLink()
    local url = mw.uri.fullUrl('Special:Log/block', 'page=User:' .. u.usernameHtmlWiki)
    return '[' .. tostring(url) .. ' block&nbsp;log]'
end

local function getLink(linktype)
    local linktypes = {
        t = makeTalkLink,
        c = makeContribsLink,
        ct = makeCountLink,
        m = makeMovesLink,
        l = makeLogsLink,
    }
    return linktypes[linktype]()
end

local function makeToolbar(args)
    local targs = {}
    local numArgsExist = false
    for k, v in pairs(args) do
        if type(k) == 'number' then
            numArgsExist = true
            targs[k] = getLink(v)
        end
    end
    targs.style = args.small and 'font-size: 90%;'
    targs.separator = args.separator or 'dot'
    
    if numArgsExist == false then
        return -- Don't return a toolbar if no numeric arguments exist.
    else
        return ToolbarBuilder.main(targs)
    end
end

local function generateUserDataStrings(args)
    -------------------------------------------------
    --          Username helper strings            --
    -------------------------------------------------
    -- Get the username value. If it is absent or blank, return an html error and a tracking category.
    if args.user == '' or (not args.user and (not args.User or args.User == '')) then
        return '<span class="error">Error: No username detected by [[Module:UserLinks]].</span>[[Category:UserLinks transclusions without usernames]]'
    else
        u.username = args.user or args.User
    end
    u.usernameHtml = mw.uri.encode(u.username) -- Html-encoded username. Spaces are encoded as pluses.
    u.usernameHtmlWiki = mw.uri.encode(u.username, 'WIKI') -- Html-encodeed username. Spaces are encoded as underscores.
   
    -------------------------------------------------
    --           Project helper strings            --
    -------------------------------------------------
    u.project = args.Project -- Get the project value.
    u.projectColon = (u.project and (':' .. args.Project .. ':')) or '' -- Project value plus colons, for escaping interwiki links.
end

local function getLinks(args)
    generateUserDataStrings(args)
    
    local result = makeToolbar(args)
    if result then
        if args.sup then
            result = '<sup>' .. result .. '</sup>'
        end
        result = '&nbsp;' .. result
    else
        result = ''
    end
    result = '<span>' .. makeUserLink() .. result .. '</span>'
    
    return result
end    

function p.main(frame)
    -- If called via #invoke, use the args passed into the invoking template.
    -- Otherwise, for testing purposes, assume args are being passed directly in.
    local origArgs
    if frame == mw.getCurrentFrame() then
        origArgs = frame:getParent().args
        for k, v in pairs(frame.args) do
            origArgs = frame.args
            break
        end
    else
        origArgs = frame
    end
 
    -- Strip whitespace, and treat blank arguments as nil.
    -- 'user', 'User', and 'separator' have different behaviour depending on
    -- whether they are blank or nil, so keep them as they are.
    local args = {}
    for k, v in pairs(origArgs) do
        v = mw.text.trim(v)
        if v ~= '' or k == 'user' or k == 'User' or k == 'separator' then
            args[k] = v
        end
    end
 
    return getLinks(args)
end

return p
Module:UserLinks

Functions

Main

Single

Porting to other wikis
