From 5be965b5315ca1dbe4a2559e2694faeb379c5959 Mon Sep 17 00:00:00 2001
From: gregmeszaros <meszaros275@gmail.com>
Date: Fri, 5 Oct 2018 17:10:59 +0100
Subject: [PATCH 1/4] set local time

---
 web/minerHelper.php       |  9 ++++++
 web/templates/footer.html | 60 +++++++++++++++++++++++++++++++++++++--
 2 files changed, 66 insertions(+), 3 deletions(-)

diff --git a/web/minerHelper.php b/web/minerHelper.php
index d0e7230..c65cbcb 100644
--- a/web/minerHelper.php
+++ b/web/minerHelper.php
@@ -587,6 +587,15 @@ public static function getClientIp() {
    */
   public static function checkWallet($coin_seo_name = FALSE) {
 
+    // Check for the time_zone cookie, if set then reset the default timezone
+    if (!empty($_COOKIE['userLocalTimeZone'])) {
+      $time_zone = json_decode($_COOKIE['userLocalTimeZone'], true);
+      // Make sure there's an available abbreviation before setting the timezone
+      if (timezone_name_from_abbr( '', $time_zone['offset'] +60, $time_zone['dst'])) {
+        date_default_timezone_set( timezone_name_from_abbr('', $time_zone['offset'] +60, $time_zone['dst']));
+      }
+    }
+
     // First check if we have something in get
     if (!empty($_GET['wallet'])) {
       // Update cookie
diff --git a/web/templates/footer.html b/web/templates/footer.html
index 1dc2db4..e65fd10 100644
--- a/web/templates/footer.html
+++ b/web/templates/footer.html
@@ -24,9 +24,63 @@
 <div class="fork-info">Fork based on <a href="https://github.com/tpruvot/yiimp" target="_blank">YiiMP project</a></div>
 
 <script>
-  var d = new Date();
-  var n = d.getTimezoneOffset();
-  console.log(n);
+  /**
+   * Set the local time offset to display time values in the users local time
+   */
+  function setTimeOffset() {
+    // Create all the dates necessary
+    var now = later = d1 = d2 = new Date(),
+      set = { 'offset': now.getTimezoneOffset(), 'dst': 0 }
+    // Set time for how long the cookie should be saved - 1 year
+    later.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000);
+    // Date one is set to January 1st of this year
+    // Guaranteed not to be in DST for northern hemisphere and guaranteed to be in DST for southern hemisphere (If DST exists on client PC)
+    d1.setDate(1);
+    d1.setMonth(1);
+    // Date two is set to July 1st of this year
+    // Guaranteed to be in DST for northern hemisphere and guaranteed not to be in DST for southern hemisphere (If DST exists on client PC)
+    d2.setDate(1);
+    d2.setMonth(7);
+
+    // DST exists for this time zone – check if it is currently active
+    if ( parseInt( d1.getTimezoneOffset() ) != parseInt( d2.getTimezoneOffset() ) ) {
+      // Find out if we are on northern or southern hemisphere - Hemisphere is positive for northern, and negative for southern
+      var hemisphere = parseInt( d1.getTimezoneOffset() ) - parseInt( d2.getTimezoneOffset() );
+
+      if (
+        ( hemisphere > 0 && parseInt( d1.getTimezoneOffset() ) == parseInt( now.getTimezoneOffset() ) ) ||
+        ( hemisphere < 0 && parseInt( d2.getTimezoneOffset() ) == parseInt( now.getTimezoneOffset() ) )
+      ) {
+        // DST is active right now
+        set.dst = 1;
+      }
+    }
+    document.cookie ='userLocalTimeZone='+ JSON.stringify(set) +'; expires='+ later +'; path=/';
+  }
+
+  function getCookie(cname) {
+    var name = cname + "=";
+    var decodedCookie = decodeURIComponent(document.cookie);
+    var ca = decodedCookie.split(';');
+    for(var i = 0; i <ca.length; i++) {
+      var c = ca[i];
+      while (c.charAt(0) == ' ') {
+        c = c.substring(1);
+      }
+      if (c.indexOf(name) == 0) {
+        return c.substring(name.length, c.length);
+      }
+    }
+    return "";
+  }
+
+  if (!getCookie('userLocalTimeZone')) {
+    setTimeOffset();
+
+    console.log('Cookie set');
+  }
+
+  console.log(getCookie('userLocalTimeZone'));
 </script>
 
 {% if load_charts %}

From ca6898322e8d0b46e934dbaa290f63195809475e Mon Sep 17 00:00:00 2001
From: gregmeszaros <meszaros275@gmail.com>
Date: Fri, 5 Oct 2018 17:32:44 +0100
Subject: [PATCH 2/4] fix

---
 web/minerHelper.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/web/minerHelper.php b/web/minerHelper.php
index c65cbcb..93b3901 100644
--- a/web/minerHelper.php
+++ b/web/minerHelper.php
@@ -591,8 +591,8 @@ public static function checkWallet($coin_seo_name = FALSE) {
     if (!empty($_COOKIE['userLocalTimeZone'])) {
       $time_zone = json_decode($_COOKIE['userLocalTimeZone'], true);
       // Make sure there's an available abbreviation before setting the timezone
-      if (timezone_name_from_abbr( '', $time_zone['offset'] +60, $time_zone['dst'])) {
-        date_default_timezone_set( timezone_name_from_abbr('', $time_zone['offset'] +60, $time_zone['dst']));
+      if (timezone_name_from_abbr( '', ($time_zone['offset'] + 60) * 60, $time_zone['dst'])) {
+        date_default_timezone_set( timezone_name_from_abbr('', ($time_zone['offset'] + 60) * 60, $time_zone['dst']));
       }
     }
 

From 6b23102245c4ebd8ce023186e3fc803208403d5b Mon Sep 17 00:00:00 2001
From: gregmeszaros <meszaros275@gmail.com>
Date: Fri, 5 Oct 2018 17:52:10 +0100
Subject: [PATCH 3/4] time zone offset

---
 web/minerHelper.php            | 5 +++++
 web/templates/blocks.html.twig | 1 +
 2 files changed, 6 insertions(+)

diff --git a/web/minerHelper.php b/web/minerHelper.php
index 93b3901..288afb1 100644
--- a/web/minerHelper.php
+++ b/web/minerHelper.php
@@ -991,6 +991,10 @@ public static function _templateVariables($db = FALSE, $route = null, $data = FA
       case 'blocks':
         $blocks = minerHelper::getBlocks($db, $data['coin_id']);
 
+        if (!empty($_COOKIE['userLocalTimeZone'])) {
+          $time_zone = json_decode($_COOKIE['userLocalTimeZone'], true);
+        }
+
         // Load last 30 blocks
         return [
           'blocks' => $blocks,
@@ -999,6 +1003,7 @@ public static function _templateVariables($db = FALSE, $route = null, $data = FA
           'hashrate_user_24_hours' => $hashrate_user_24_hours ?? FALSE,
           'coin_seo_name' => $data['coin_seo_name'],
           'seo_site_name' => $data['seo_site_name'],
+          'offset' => $time_zone['offset'],
           'load_blocks_charts' => TRUE
         ];
         break;
diff --git a/web/templates/blocks.html.twig b/web/templates/blocks.html.twig
index ee652a8..78b7cce 100644
--- a/web/templates/blocks.html.twig
+++ b/web/templates/blocks.html.twig
@@ -30,6 +30,7 @@
                     </tr>
                 {% endfor %}
 
+                <p>Offset from GMT: {{ offset }} minutes -> times are adjusted to your local timezone!</p>
             </table>
 
             <div id="container-block-diff" style="min-width: 310px; height: 300px; margin: 0 auto"></div>

From 024830841176cd2377fd0e4383896e9809856e17 Mon Sep 17 00:00:00 2001
From: gregmeszaros <meszaros275@gmail.com>
Date: Fri, 5 Oct 2018 18:08:01 +0100
Subject: [PATCH 4/4] local time

---
 web/minerHelper.php       | 5 +++--
 web/templates/footer.html | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/web/minerHelper.php b/web/minerHelper.php
index 288afb1..5e6c962 100644
--- a/web/minerHelper.php
+++ b/web/minerHelper.php
@@ -591,8 +591,9 @@ public static function checkWallet($coin_seo_name = FALSE) {
     if (!empty($_COOKIE['userLocalTimeZone'])) {
       $time_zone = json_decode($_COOKIE['userLocalTimeZone'], true);
       // Make sure there's an available abbreviation before setting the timezone
-      if (timezone_name_from_abbr( '', ($time_zone['offset'] + 60) * 60, $time_zone['dst'])) {
-        date_default_timezone_set( timezone_name_from_abbr('', ($time_zone['offset'] + 60) * 60, $time_zone['dst']));
+
+      if (timezone_name_from_abbr( '', ($time_zone['offset'] - 60) * 60, $time_zone['dst'])) {
+        date_default_timezone_set( timezone_name_from_abbr('', ($time_zone['offset'] - 60) * 60, $time_zone['dst']));
       }
     }
 
diff --git a/web/templates/footer.html b/web/templates/footer.html
index e65fd10..c6d2b45 100644
--- a/web/templates/footer.html
+++ b/web/templates/footer.html
@@ -30,7 +30,7 @@
   function setTimeOffset() {
     // Create all the dates necessary
     var now = later = d1 = d2 = new Date(),
-      set = { 'offset': now.getTimezoneOffset(), 'dst': 0 }
+      set = { 'offset': now.getTimezoneOffset() * -1, 'dst': 0 }
     // Set time for how long the cookie should be saved - 1 year
     later.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000);
     // Date one is set to January 1st of this year