Module:Skill link

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This module depends on the following other modules:

• Module:No globals
• Module:Util
• Module:Cargo
• Module:Skill link/config

Module for creating links to skills via cargo.

Implemented templates

• {{Skill link}}
• {{Query skill infobox}}

The above documentation is transcluded from Module:Skill link/doc. (edit | history)
Editors can experiment in this module's sandbox (edit | diff) and testcases (create) pages.
Subpages of this module.

--
-- Module for skill linking
--

local m_util = require('Module:Util')
local getArgs = require('Module:Arguments').getArgs
local m_cargo = require('Module:cargo')

local p = {}

-- ----------------------------------------------------------------------------
-- Strings
-- ----------------------------------------------------------------------------

local i18n = {
    errors = {
        missing_id_parameter = 'Id parameter must be specified.',
        incorrect_id = 'Please change the id from "%s" to any of these ids:<br>%s',
        multiple_results = 'Please choose only one of these ids:<br>%s',
        no_results = 'No results found.',
        category = 'Pages with skill infobox errors',
    },
}

-- ----------------------------------------------------------------------------
-- Helper functions and globals
-- ----------------------------------------------------------------------------

h = {}

function h.disambiguate_skill(results)
    --[[
        Disambiguates results from a skill query.
    ]]
    local str = {}
    for i,v in pairs(results) do
        str[#str+1] = string.format(
            '%s - %s ([[%s|page]])', 
            v['skill.skill_id'] or v['skill._pageName'] or '',
            string.gsub(
                v['skill.stat_text'] or 'N/A', 
                '<br>', 
                ', '
            ) or '',
            v['skill._pageName'] or ''
        )
    end 
    return table.concat(str, '<br>')
end

-- ----------------------------------------------------------------------------
-- Page functions
-- ----------------------------------------------------------------------------

local p = {}

function p.skill_infobox_link(frame)
    --[[
    Finds and shows the infobox of a skill.
    
    Examples:
    = p.skill_infobox_link{id="IcestormUniqueStaff12"}
    = p.skill_infobox_link{"Icestorm"}
    = p.skill_infobox_link{q_where = 'skill.active_skill_name="Icestorm"'}
    
    ]]
    
    -- Get args
    tpl_args = getArgs(frame, {
        parentFirst = true
    })
    frame = m_util.misc.get_frame(frame)
    
    tpl_args.id = tpl_args.id or tpl_args[1]
    
    if not tpl_args.q_where and tpl_args.id then
        tpl_args.q_where = string.format(
                'skill.skill_id = "%s" OR skill.active_skill_name LIKE "%%%s%%"', 
                tpl_args.id, 
                tpl_args.id
            )
    elseif not (tpl_args.q_where and not tpl_args.id) then
        error(i18n.errors.missing_id_parameter)
    end
    
    local results = m_cargo.query(
        {'skill'},
        {
            'skill.html',
            'skill.skill_screenshot',
            'skill.active_skill_name', 
            'skill.skill_id',
            'skill.stat_text',
            'skill._pageName',
        },
        {
            where=tpl_args.q_where,
        }
    )
    
    -- Helpful error handling:
    local err_tbl = {
        {
            bool = #results == 0,
            disp = {
                i18n.errors.no_results,
            }
        },
        {
            bool = #results > 1,
            disp = {
                i18n.errors.multiple_results,
                h.disambiguate_skill(results),
            },
        },
        {
            bool = tpl_args.id ~= results[1]['skill.skill_id'],
            disp = {
                string.gsub(
                    i18n.errors.incorrect_id, 
                    '%%s',
                    tpl_args.id or '',
                    1
                ),
                h.disambiguate_skill(results),
            },
        },
    }
    for _,v in ipairs(err_tbl) do 
        if v.bool then
            local cats = {i18n.errors.category}
            return m_util.html.error(
                {msg = string.format(v.disp[1], v.disp[2]) .. m_util.misc.add_category(cats)}
            )
        end
    end
    results = results[1]
    
    local container = mw.html.create('span')
    container
        :attr('class', 'skill-box-page-container')
        :wikitext(results['skill.html'])
    if results['skill.skill_screenshot'] then
        container
            :wikitext(string.format(
                '[[%s]]',
                results['skill.skill_screenshot']
                )
            )
    end
    
    return tostring(container)
end

-- ----------------------------------------------------------------------------
-- End
-- ----------------------------------------------------------------------------

return p