Module:SongContestData

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Usage

The module looks for data in Module:SongContestData/{{{1}}}/{{{2}}}

main

Returns an attribute value from an entry

{{#invoke:SongContestData|main}}

Required parameters

Parameter	Description
|1=	Contest
|2=	Year
|3=	Entry
|4=	Attribute

Examples

• {{#invoke:SongContestData|main|esc|2019|no|artist}} Keiino
• {{#invoke:SongContestData|main|esc|2019|no|title}} Spirit in the Sky
• {{#invoke:SongContestData|main|esc|2019|no|gf_pt}} 331

entryAmount

Returns the amount of entries in a given contest year

{{#invoke:SongContestData|entryAmount}}

Required parameters

Parameter	Description
|1=	Contest
|2=	Year

Examples

• {{#invoke:SongContestData|entryAmount|esc|2019}} 41

order

Required parameters

Parameter	Description
|1=	Contest
|2=	Year
|3=	Attribute to sort

Optional parameters

Parameter	Description	Default
|desc=	Sorts descending if set, otherwise sorts ascending
|excludeAtt='String'	Excludes entries with set attribute
|excludeVal=value	Excludes entries where the value of the |excludeAtt= attribute is equal to this parameter
|excludeInvert=true/false	Inverts exclusion. Excludes entries where the value of the |excludeAtt= attribute is not equal to |excludeVal=	false

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

local getArgs = require('Module:Arguments').getArgs
--local isoName = require('Module:ISO 3166').luaname

local p = {}

local function makeInvokeFunc(funcName)
	return function (frame)
		local args = getArgs(frame)
		return p[funcName](args)
	end
end

local function processOutput(o)
	if type(o) == "table" then
	    local result = {}
	    for _, v in pairs(o) do
	        table.insert(result, tostring(v))
	    end
	    return table.concat(result, ";")
	end
	return o
end

local function getData(contest, year)
	return mw.loadData('Module:SongContestData/'..contest..'/'..year)
end

local function sortEntries(data, att, desc, excludeAtt, excludeVal, excludeInvert)
	-- filter entries that do not have att, filter entries that have exclude
	local filtered_data = {}
	for k, v in pairs(data) do
		if att then
		    if (v[att] and not (
		        excludeAtt and v[excludeAtt] and excludeVal and
		        ((not excludeInvert and v[excludeAtt] == excludeVal) or  -- normal exclusion
		        (excludeInvert and v[excludeAtt] ~= excludeVal))         -- inverted exclusion
		    )) then
		        filtered_data[k] = v
		    end
		else
			-- local newKey = isoName({k}) or k
			-- filtered_data[newKey] = v
			filtered_data[k] = v
		end
	end

    -- sort the keys based on the corresponding attribute values
    local keys = {}
    for k in pairs(filtered_data) do
        table.insert(keys, k)  -- store original keys for sorting
    end

    table.sort(keys, function(a, b)
    	local aVal, bVal = a, b
    	if att then
        	aVal, bVal = filtered_data[a][att], filtered_data[b][att]
    	else
    		-- a, b = isoName({a}), isoName({b})
    	end
    	
        if desc then
        	return aVal > bVal
        else
        	return aVal < bVal
        end
    end)
    
    return keys
end

p.main = makeInvokeFunc('_main')
function p._main(args)
	local data = getData(args[1], args[2])
	local entryData = data[args[3]]
	
	if entryData and entryData[args[4]] then
        return processOutput(entryData[args[4]])
    end

    return ""
end

p.entryAmount = makeInvokeFunc('_entryAmount')
function p._entryAmount(args)
	local data = getData(args[1], args[2])
	local amount = 0
	for _ in pairs(data) do amount = amount + 1 end
	return amount
end

p.order = makeInvokeFunc('_order')
function p._order(args)
	local data = getData(args[1], args[2])
	return sortEntries(data, args[3], args['desc'] or false, args['excludeAtt'], args['excludeVal'], args['excludeInvert'] or false)
end

return p