Implement retroactive achievements (for userStat types so far)

art/themes/luciano_blocktronics/theme.hjson

@@ -984,7 +984,7 @@
 		achievements: {
 			defaults: {
 				format: "|08 > |10{title} |08(|11{points} |03points|08)\r\n\r\n   {message}"
-				globalFformat: "|08 > |10{title} |08(|11{points} |03points|08)\r\n\r\n  {message}"
+				globalformat: "|08 > |10{title} |08(|11{points} |03points|08)\r\n\r\n  {message}"
 				titleSGR: "|10"
 				pointsSGR: "|12"
 				textSGR: "|00|03"

config/achievements.hjson

@@ -55,12 +55,11 @@
         user_login_count: {
             type: userStat
             statName: login_count
-            retroactive: true
             match: {
                 2: {
                     title: "Return Caller"
                     globalText: "{userName} has returned to {boardName}!"
-                    text: "You\"ve returned to {boardName}!"
+                    text: "You've returned to {boardName}!"
                     points: 5
                 }
                 10: {
@@ -93,7 +92,6 @@
         user_post_count: {
             type: userStat
             statName: post_count
-            retroactive: true
             match: {
                 5: {
                     title: "Poster"
@@ -125,7 +123,6 @@
         user_upload_count: {
             type: userStat
             statName: ul_total_count
-            retroactive: true
             match: {
                 1: {
                     title: "Uploader"
@@ -164,7 +161,6 @@
         user_download_count: {
             type: userStat
             statName: dl_total_count
-            retroactive: true
             match: {
                 1: {
                     title: "Downloader"
@@ -202,7 +198,6 @@
         user_door_runs: {
             type: userStat
             statName: door_run_total_count
-            retroactive: true
             match: {
                 1: {
                     title: "Nostalgia Toe Dip",
@@ -240,7 +235,6 @@
         user_door_total_minutes: {
             type: userStat
             statName: door_run_total_minutes
-            retroactive: true
             match: {
                 1: {
                     title: "Nevermind!"

core/achievement.js

@@ -37,6 +37,9 @@ const paths         = require('path');
 class Achievement {
     constructor(data) {
         this.data = data;
+
+        //  achievements are retroactive by default
+        this.data.retroactive = _.get(this.data, 'retroactive', true);
     }
 
     static factory(data) {
@@ -87,6 +90,9 @@ class Achievement {
 class UserStatAchievement extends Achievement {
     constructor(data) {
         super(data);
+
+        //  sort match keys for quick match lookup
+        this.matchKeys = Object.keys(this.data.match || {}).map(k => parseInt(k)).sort( (a, b) => b - a);
     }
 
     isValid() {
@@ -97,7 +103,7 @@ class UserStatAchievement extends Achievement {
     }
 
     getMatchDetails(matchValue) {
-        let matchField = Object.keys(this.data.match || {}).sort( (a, b) => b - a).find(v => matchValue >= v);
+        let matchField = this.matchKeys.find(v => matchValue >= v);
         if(matchField) {
             const match = this.data.match[matchField];
             if(this.isValidMatchDetails(match)) {
@@ -218,6 +224,22 @@ class Achievements {
         });
     }
 
+    recordAndDisplayAchievement(info, cb) {
+        async.series(
+            [
+                (callback) => {
+                    return this.record(info, callback);
+                },
+                (callback) => {
+                    return this.display(info, callback);
+                }
+            ],
+            err => {
+                return cb(err);
+            }
+        );
+    }
+
     monitorUserStatUpdateEvents() {
         if(this.userStatEventListener) {
             return; //  already listening
@@ -287,15 +309,31 @@ class Achievements {
                             timestamp       : moment(),
                         };
 
-                        return callback(null, info);
-                    },
-                    (info, callback) => {
-                        this.record(info, err => {
-                            return callback(err, info);
+                        const achievementsInfo = [ info ];
+                        if(true === achievement.data.retroactive) {
+                            //  For userStat, any lesser match keys(values) are also met. Example:
+                            //  matchKeys: [ 500, 200, 100, 20, 10, 2 ]
+                            //                    ^---- we met here
+                            //                         ^------------^ retroactive range
+                            //
+                            const index = achievement.matchKeys.findIndex(v => v < matchField);
+                            if(index > -1) {
+                                achievementsInfo.push(...achievement.matchKeys.slice(index).map(k => {
+                                    const [ d, f, v ] = achievement.getMatchDetails(k);
+                                    return Object.assign({}, info, { details : d, matchField : f, achievedValue : f, matchValue : v } );
+                                }));
+                            }
+                        }
+
+                        //  reverse achievementsInfo so we display smallest > largest
+                        achievementsInfo.reverse();
+
+                        async.each(achievementsInfo, (achInfo, nextAchInfo) => {
+                            return this.recordAndDisplayAchievement(achInfo, nextAchInfo);
+                        },
+                        err => {
+                            return callback(err);
                         });
-                    },
-                    (info, callback) => {
-                        return this.display(info, callback);
                     }
                 ],
                 err => {