사용자:BANIP/script/랭킹시스템

function rankingSystem(documentTitle, sortCallback, api) {

   function forEach(object, callback) {
       for (var key in object) {
           var variable = object[key];
           callback(variable, key);
       }
   }

   function getRankingJSON(rankingDoc) {
       if (!rankingDoc) return {};
       var includeOnlyString = "includeonly"
       var regexp = new RegExp("\<" + includeOnlyString + "\>(.*)\<\/" + includeOnlyString + "\>");
       var stringRanking = regexp.exec(rankingDoc)[1];
       return JSON.parse(stringRanking);
   }

   function updateDoc(rankingJSON, api, alternateKeys) {
       //alternateKeys가 반영된 개개인의 랭킹정보 획득
       function getOutputJSON(json) {
           var result = {};
           forEach(json, function(value, key) {
               key = alternateKeys[key] || key;
               result[key] = value;
           })
           return result;
       }

       //보여지는 형태의 랭킹정보 획득
       function getOutputString(json) {
           var name = json.name;
           var result = "* " + name + " : ";
           forEach(json, function(value, key) {
               if (key === "name") return;
               key = alternateKeys[key] || key;
               result += key + ": " + value + ", ";
           })
           result += "\n"
           return result
       }

       var stringRanking = JSON.stringify(rankingJSON);
       var result = "<includ" + "eonly>" + stringRanking + "</inclu" + "deonly>\n";
       result += "<onlyin" + "clude>\n";

       var rankingList = Object.entries(rankingJSON).sort(function(prev,next){
         return sortCallback(prev[1],next[1])
       }).map(function(value){
         return value[0]
       });

       rankingList.forEach(function(key) {
           var json = rankingJSON[key];
           var outputJSON = getOutputJSON(json);
           result += getOutputString(outputJSON)
       });

       result += "</only" + "include>";
       var reply = documentTitle.replace(new RegExp("\/.*"),"") + " 점수 갱신";
       api.changeDocument(documentTitle, reply, result, true);
       return result;
   }

   function updateUserScore(rankingJSON, thisScore, updateCriteria) {
       updateCriteria = updateCriteria || function(rankingScore, thisScore) {
           return rankingScore.score < thisScore.score;
       }

       var userName = thisScore.name;
       var rankingScore = rankingJSON[userName];

       if (!rankingScore || updateCriteria(rankingScore, thisScore)) {
           rankingJSON[userName] = thisScore;
       }
   }

   api = api || MediaWikiAPI();
   var userName = mw.config.get("wgUserName");
   var rankingDoc = api.getDocument(documentTitle);
   var rankingJSON = getRankingJSON(rankingDoc);

   var actions = {
       get: function() {
           return rankingJSON;
       },
       update: function(updateInfo, updateCriteria, alternateKeys) {
           rankingJSON = actions.get();
           updateUserScore(rankingJSON, updateInfo, updateCriteria);
           updateDoc(rankingJSON, api, alternateKeys);
       }
   }
   return actions;

}