查看“Module:Arcaea Data”的源代码

local p = {}

function p.packName(id)
    -- 将曲包ID转换为曲包名称。
    -- 传入Songlist中定义的曲包ID，返回Packlist中的曲包名称。如果Template:Transition.json中存在转换，则使用转换后的名称。
    if type(id) ~= "string"
    then
        mw.log("id值类型不符，类型为"..type(id))
        return "undefined"
    end

    -- 检查曲包ID→曲包名称转换表是否存在转换规则。
    local covList = mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Transition.json' })["packName"]
    if covList[id] then return covList[id] end

    -- 判断变量是否已有值，为多次调用预备。
    -- 变量为全局变量
    if packlist == nil then
        packlist = mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Packlist.json' })
    end
    for i, k in ipairs(packlist['packs']) do
        if k['id'] == id then return k['name_localized']['en'] end
    end

    if packlistNS == nil then
        packlistNS = mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Packlist NS' })
    end
    for i, k in ipairs(packlistNS['packs']) do
        if k['id'] == id then return k['name_localized']['en'] end
    end

    mw.log("未找到曲包名称，id为"..id)
    return id
end

function p.unlockText(songId)
    -- 还未编写好的函数。目的：传入Songid，检索unlock，返回一个解锁要求文本的字符串。

    -- 变量为全局变量
    if unlock == nil
    then
        unlock = mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Packlist.json' })
    end
    
    local result = {}
    for i, k in ipairs(json) do
        if k['songId'] == songId then
            result[tonumber(k['ratingClass'] + 1)] = k['conditions']
            -- coding...
        end
    end
    return result
end

function extractInfoFromSingleSongData(info, key)
    -- 如果info无值即无法在songlist中查找到索引值，则返回nil。
    if info == nil then 
        mw.log( '无法在Songlist中发现目标,索引值为:'.. (index or 'nil') )
        return nil 
    end

    local difficulties={}

    if info["difficulties"] then
        for _, difficulty in ipairs(info["difficulties"]) do
            difficulties[difficulty["ratingClass"]] = difficulty
        end
    end

    -- 此处定义一个switch table以达到switch函数的效用。如果需要查找的参数在switch中不存在，返回nil。
    local switch = {
        ["id"] = function() return info["id"] end,
        ["title"] = function() return info['title_localized']['en'] end,
        ["artist"] = function() return info["artist"] end,
        ["bpm"] = function() return info["bpm"] end,
        ["set"] = function() return info["set"] end,
        ["category"] = function() return info["category"] end,
        ["side"] = function() return info["side"] end,
        ["date"] = function() return info["date"] end,
        ["version"] = function() return info["version"] end,
        ["bg"] = function()
            if info["bg"] ~= "" then
                return info["bg"]
            else
                if info["side"] == 0 then
                    return 'base_light'
                else
                    if info['side'] ==1 then
                        return 'base_conflict'
                    else
                        return 'undefined'
                    end
                end
            end
        end,
        ["pstChartDesigner"] = function()
            if info["difficulties"] then
                return difficulties[0]['chartDesigner']
            end
        end,
        ["pstJacketDesigner"] = function()
            if info["difficulties"] then
                return difficulties[0]['jacketDesigner']
            end
        end,
        ["pstRating"] = function()
            if difficulties[0]['ratingPlus'] then
                return difficulties[0]['rating'] .. '+'
            else
                return difficulties[0]['rating']
            end
        end,
        ["prsChartDesigner"] = function()
            if info["difficulties"] then
                return difficulties[1]['chartDesigner']
            end
        end,
        ["prsJacketDesigner"] = function()
            if info["difficulties"] then
                return difficulties[1]['jacketDesigner']
            end
        end,
        ["prsRating"] = function()
            if difficulties[1]['ratingPlus'] then
                return difficulties[1]['rating'] .. '+'
            else
                return difficulties[1]['rating']
            end
        end,
        ["ftrChartDesigner"] = function()
            if info["difficulties"] then
                return difficulties[2]['chartDesigner']
            end
        end,
        ["ftrJacketDesigner"] = function()
            if info["difficulties"] then
                return difficulties[2]['jacketDesigner']
            end
        end,
        ["ftrRating"] = function()
            if info["difficulties"] then
                if difficulties[2]['ratingPlus'] then
                    return difficulties[2]['rating'] .. '+'
                else
                    return difficulties[2]['rating']
                end
            end
        end,
        ["bydChartDesigner"] = function()
            if info["difficulties"] and difficulties[3] then
                return difficulties[3]['chartDesigner']
            end
        end,
        ["bydJacketDesigner"] = function()
            if info["difficulties"] and difficulties[3] then
                return difficulties[3]['jacketDesigner']
            end
        end,
        ["bydRating"] = function()
            if info["difficulties"] and difficulties[3] then
                if difficulties[3]['ratingPlus'] then
                    return difficulties[3]['rating'] .. '+'
                else
                    return difficulties[3]['rating']
                end
            end
        end,
        ["etrChartDesigner"] = function()
            if info["difficulties"] and difficulties[4] then
                return difficulties[4]['chartDesigner']
            end
        end,
        ["etrJacketDesigner"] = function()
            if info["difficulties"] and difficulties[4] then
                return difficulties[4]['jacketDesigner']
            end
        end,
        ["etrRating"] = function()
            if info["difficulties"] and difficulties[4] then
                if difficulties[4]['ratingPlus'] then
                    return difficulties[4]['rating'] .. '+'
                else
                    return difficulties[4]['rating']
                end
            end
        end,
        ["pstChange"] = function()
            if info["difficulties"] and difficulties[0] then
                return difficulties[0]['has_controller_alt_chart']
            end
        end,
        ["prsChange"] = function()
            if info["difficulties"] and difficulties[1] then
                return difficulties[1]['has_controller_alt_chart']
            end
        end,
        ["ftrChange"] = function()
            if info["difficulties"] and difficulties[2] then
                return difficulties[2]['has_controller_alt_chart']
            end
        end,
        ["bydChange"] = function()
            if info["difficulties"] and difficulties[3] then
                return difficulties[3]['has_controller_alt_chart']
            end
        end,
        ["etrChange"] = function()
            if info["difficulties"] and difficulties[4] then
                return difficulties[4]['has_controller_alt_chart']
            end
        end,
        ["bydAudioChange"] = function()
            if info["difficulties"] and difficulties[3] then
                return difficulties[3]['audioOverride']
            end
        end,
        ["bydBg"] = function()
            if info["difficulties"] and difficulties[3] then
                return difficulties[3]['bg']
            end
        end,
        ["bydBPM"] = function()
            if info["difficulties"] and difficulties[3] then
                return difficulties[3]['bpm']
            end
        end,
        ["bydArtist"] = function()
            if info["difficulties"] and difficulties[3] then
                return difficulties[3]['artist']
            end
        end,
        ["bydSongName"] = function()
            if info["difficulties"] and difficulties[3] and difficulties[3].title_localized then
                return difficulties[3].title_localized.en
            end
        end,
        ["bydDate"] = function()
            if info["difficulties"] and difficulties[3] then
                return difficulties[3].date
            end
        end,
        ["bydVersion"] = function()
            if info["difficulties"] and difficulties[3] then
                return difficulties[3].version
            end
        end
    }

    if switch[key] == nil 
    then 
        mw.log( '未定义的索引类型，请检查是否拼写错误。' )
        return nil 
    end

    return switch[key]()
end

function jsonAssayForSingleSong(json, index, indexTyped)
    -- 传入JSON文件，索引值和索引值类型（索引是ID还是曲名）。分析JSON文件以获得曲目信息，返回的是一个查找单一曲目中信息的函数。仅获取单一曲目的信息。table中的索引名请查看下方switch表。

    -- Songlist是以数字为索引值，因此遍历Songlist，直到发现需要找的曲目，将信息存入info变量中。
    local s, info = "", {}
    -- 如果模式是ID则遍历songlist直至发现id值为索引值为止，并获取内容。曲名同理。
    if indexTyped == "id" then
        for i, k in ipairs(json['songs']) do
            if k['id'] == index then info = k end
        end
    else
        for i, k in ipairs(json['songs']) do
            if string.lower(k['title_localized']['en']) == string.lower(index) then info = k end
        end
    end

    -- 此处返回一个函数用于查询内容。

    return function(key)
        return extractInfoFromSingleSongData(info, key)
    end
end

function p.singleSongInformation(index, indexTyped, platform)
    -- 传入曲名或ID，获得一个查阅信息的函数。直接在下一个模块使用。
    -- index:曲目的索引字符串，和typed一致  indexTyped:id或name，查找曲目的索引值类型  platform:mobile或ns
    if platform == "mobile"
    then
        if indexTyped == "id"  then
            return jsonAssayForSingleSong(mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Songlist.json' } ), index, 'id')
        else
            return jsonAssayForSingleSong(mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Songlist.json' } ), index, 'name')
        end
    else
        if indexTyped == "id"  then
            return jsonAssayForSingleSong(mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Songlist NS.json' } ), index, 'id')
        else
            return jsonAssayForSingleSong(mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Songlist NS.json' } ), index, 'name')
        end
    end
end

function jsonAssayForAllSong(json, indexTyped)
    -- 传入JSON文件，获得一个通过索引值查找指定曲目指定信息的函数。与jsonAssayForSingleSong不同，本函数可以同时查找多个函数。
    -- 索引值由下一步函数使用来指定，但是索引类型必须刚开始就指定。（id或name）

    local s, info = "", {}
    if indexTyped == "id" then
        for i, k in ipairs(json['songs']) do
            info[k['id']] = k
        end
    else
        for i, k in ipairs(json['songs']) do
            info[k['title_localized']['en']] = k
        end
    end

    -- 此处返回一个函数用于查询内容。

    return function(index, key)
        return extractInfoFromSingleSongData(info[index], key)
    end

end

function p.allSongInformation(indexTyped, platform)
    -- 获得一个查阅信息的函数，可查阅任何曲目。直接在下一个模块使用。
    -- indexTyped:id或name，查找曲目的索引值类型  platform:mobile或ns
    if platform == "mobile"
    then
        if indexTyped == "id"  then
            return jsonAssayForAllSong(mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Songlist.json' } ), 'id')
        else
            return jsonAssayForAllSong(mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Songlist.json' } ), 'name')
        end
    else
        if indexTyped == "id"  then
            return jsonAssayForAllSong(mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Songlist NS.json' } ), 'id')
        else
            return jsonAssayForAllSong(mw.text.jsonDecode(mw.getCurrentFrame():expandTemplate{ title = 'Songlist NS.json' } ), 'name')
        end
    end
end

local getArgs = require('Module:Arguments').getArgs

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

p.Song_Query = makeInvokeFunc('_Song_Query')

function p._Song_Query(args)
    -- 面向wikitext直接查询
    -- return p.singleSongInformation(songIndex, songIndexType, platform)(attributeName)
    return p.singleSongInformation(args[1], args[2], args[4])(args[3])
end

p.Pack_Query = makeInvokeFunc('_Pack_Query')

function p._Pack_Query(args)
    -- 面向wikitext直接查询
    return p.packName(args[1])
end

return p