From 45a5b6a9f04d2f605e7141b8da6e9cfa24711e07 Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Tue, 21 Nov 2023 12:25:22 +0100
Subject: Core/Calendar: Implement different timezone support for ingame
 calendar

Closes #8390
Closes #29427

(cherry picked from commit b888b1b09f71a8b8b4a9d45c804a1f164fb65ac3)
---
 src/server/game/Guilds/Guild.cpp | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

(limited to 'src/server/game/Guilds/Guild.cpp')

diff --git a/src/server/game/Guilds/Guild.cpp b/src/server/game/Guilds/Guild.cpp
index 672f5888ec1..568194d1f04 100644
--- a/src/server/game/Guilds/Guild.cpp
+++ b/src/server/game/Guilds/Guild.cpp
@@ -19,6 +19,7 @@
 #include "AccountMgr.h"
 #include "Bag.h"
 #include "CalendarMgr.h"
+#include "CalendarPackets.h"
 #include "CharacterCache.h"
 #include "Chat.h"
 #include "Config.h"
@@ -1794,7 +1795,8 @@ void Guild::SendInfo(WorldSession* session) const
 {
     WorldPackets::Guild::GuildInfoResponse guildInfo;
     guildInfo.GuildName = m_name;
-    guildInfo.CreateDate = m_createdDate;
+    guildInfo.CreateDate.SetUtcTimeFromUnixTime(m_createdDate);
+    guildInfo.CreateDate += session->GetTimezoneOffset();
     guildInfo.NumMembers = int32(m_members.size());
     guildInfo.NumAccounts = m_accountsNumber;
 
@@ -2163,34 +2165,32 @@ void Guild::BroadcastPacket(WorldPacket const* packet) const
 
 void Guild::MassInviteToEvent(WorldSession* session, uint32 minLevel, uint32 maxLevel, uint32 minRank)
 {
-    uint32 count = 0;
-
-    WorldPacket data(SMSG_CALENDAR_FILTER_GUILD);
-    data << uint32(count); // count placeholder
+    WorldPackets::Calendar::CalendarEventInitialInvites packet(true);
 
     for (auto const& [guid, member] : m_members)
     {
         // not sure if needed, maybe client checks it as well
-        if (count >= CALENDAR_MAX_INVITES)
+        if (packet.Invites.size() >= CALENDAR_MAX_INVITES)
         {
             if (Player* player = session->GetPlayer())
                 sCalendarMgr->SendCalendarCommandResult(player->GetGUID(), CALENDAR_ERROR_INVITES_EXCEEDED);
             return;
         }
 
+        if (member.GetGUID() == session->GetPlayer()->GetGUID())
+            continue;
+
         uint32 level = sCharacterCache->GetCharacterLevelByGuid(member.GetGUID());
+        if (level < minLevel || level > maxLevel)
+            continue;
 
-        if (member.GetGUID() != session->GetPlayer()->GetGUID() && level >= minLevel && level <= maxLevel && member.IsRankNotLower(minRank))
-        {
-            data.appendPackGUID(member.GetGUID().GetRawValue());
-            data << uint8(0); // unk
-            ++count;
-        }
-    }
+        if (!member.IsRankNotLower(minRank))
+            continue;
 
-    data.put<uint32>(0, count);
+        packet.Invites.emplace_back(member.GetGUID(), level);
+    }
 
-    session->SendPacket(&data);
+    session->SendPacket(packet.Write());
 }
 
 // Members handling
-- 
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