Fix: initialize deck_history and serialize deck history report

ygopro-server.coffee

@@ -1303,6 +1303,7 @@ class Room
     @welcome = ''
     @scores = {}
     @decks = {}
+    @deck_history = {}
     @duel_count = 0
     @death = 0
     @turn = 0
@@ -1554,8 +1555,10 @@ class Room
       form_data.append 'userscoreB', score_array[1].score
       form_data.append 'userdeckA', score_array[0].deck
       form_data.append 'userdeckB', score_array[1].deck
-      form_data.append 'userdeckAHistory', score_array[0].deck_history
-      form_data.append 'userdeckBHistory', score_array[1].deck_history
+      if score_array[0].deck_history?
+        form_data.append 'userdeckAHistory', JSON.stringify(score_array[0].deck_history)
+      if score_array[1].deck_history?
+        form_data.append 'userdeckBHistory', JSON.stringify(score_array[1].deck_history)
       form_data.append 'first', JSON.stringify @first_list
       form_data.append 'replays', JSON.stringify formatted_replays
       form_data.append 'start', @start_time

ygopro-server.js

@@ -1724,6 +1724,7 @@
       this.welcome = '';
       this.scores = {};
       this.decks = {};
+      this.deck_history = {};
       this.duel_count = 0;
       this.death = 0;
       this.turn = 0;
@@ -2048,8 +2049,12 @@
         form_data.append('userscoreB', score_array[1].score);
         form_data.append('userdeckA', score_array[0].deck);
         form_data.append('userdeckB', score_array[1].deck);
-        form_data.append('userdeckAHistory', score_array[0].deck_history);
-        form_data.append('userdeckBHistory', score_array[1].deck_history);
+        if (score_array[0].deck_history != null) {
+          form_data.append('userdeckAHistory', JSON.stringify(score_array[0].deck_history));
+        }
+        if (score_array[1].deck_history != null) {
+          form_data.append('userdeckBHistory', JSON.stringify(score_array[1].deck_history));
+        }
         form_data.append('first', JSON.stringify(this.first_list));
         form_data.append('replays', JSON.stringify(formatted_replays));
         form_data.append('start', this.start_time);