From 511cb55dd8fe435034e2d3dc667a54ccdbf9ee52 Mon Sep 17 00:00:00 2001
From: Matteo Nastasi <nastasi@alternativeoutput.it>
Date: Thu, 16 Apr 2020 18:15:30 +0200
Subject: [PATCH] add table cache for table_content method

---
 web/Obj/brisk.phh | 31 ++++++++++++++++++++++++++++---
 1 file changed, 28 insertions(+), 3 deletions(-)

diff --git a/web/Obj/brisk.phh b/web/Obj/brisk.phh
index affe74a..7f5d437 100644
--- a/web/Obj/brisk.phh
+++ b/web/Obj/brisk.phh
@@ -657,6 +657,8 @@ class Table {
 
     var $wakeup_time;
 
+    var $cache;
+
     function Table()
     {
     }
@@ -688,6 +690,8 @@ class Table {
 
         $thiz->wakeup_time = 0;
 
+        $thiz->cache = NULL;
+
         return ($thiz);
     }
 
@@ -711,6 +715,8 @@ class Table {
         $this->table_start  = $from->table_start;
 
         $this->wakeup_time = $from->wakeup_time;
+
+        $this->cache = $from->cache;
     }
 
     function myclone($from)
@@ -745,6 +751,8 @@ class Table {
 
         $thiz->wakeup_time = $from->wakeup_time;
 
+        $thiz->cache = $from->cache;
+
         return ($thiz);
     }
 
@@ -1454,7 +1462,7 @@ class Brisk
 
         for ($i = 0 ; $i < TABLES_N ; $i++) {
 
-            $ret .= $this->table_content($user, $i);
+            $ret .= $this->table_content($user, $i, TRUE);
 
             $ret .=  $this->table[$i]->act_content($user);
             if ($this->table[$i]->wag_own != -1)
@@ -2712,7 +2720,7 @@ class Brisk
       return ($content);
   }
 
-  function table_content($user, $table_idx)
+  function table_content($user, $table_idx, $use_cache=FALSE)
   {
       $content = "";
       $ret = "";
@@ -2724,10 +2732,25 @@ class Brisk
       $sess = $user->sess;
       $table = $this->table[$table_idx];
 
+      $user_at_table = FALSE;
+
       if ($user->stat != 'room')
           return;
 
       $user_cur_id = $user->idx_get();
+
+      # check if user at table
+      for ($i = 0 ; $i < $table->player_n ; $i++) {
+          if ($user_cur_id == $table->player[$i]) {
+              $user_at_table = TRUE;
+              break;
+          }
+      }
+
+      if ($use_cache && !$user_at_table && $table->cache != NULL) {
+          return $table->cache;
+      }
+
       $content = "[ ";
       for ($i = 0 ; $i < $table->player_n ; $i++) {
           $user_cur = $this->user[$table->player[$i]];
@@ -2750,7 +2773,9 @@ class Brisk
       $content .= ' ]';
 
       $ret .= sprintf('j_tab_cont(%d, %s);', $table_idx, $content);
-
+      if (! $user_at_table) {
+          $table->cache = $ret;
+      }
       return ($ret);
   }
 
-- 
2.17.1