特殊处理某些事件operator可能为null的情况;

examples/Mute.cpp

@@ -26,66 +26,78 @@ int main()
 
 	bot.On<MemberMuteEvent>([&](MemberMuteEvent e)
 		{
+			// 机器人的操作不做处理
+			if (e.OperatorIsBot())
+			{
+				cout << "机器人禁言操作" << endl;
+				return;
+			}
 			auto mc = MessageChain()
 				.Plain("恭喜老哥 " + e.Member.MemberName + " 喜提禁言套餐!");
 			bot.SendMessage(e.Member.Group.GID, mc);
 		});
 
 	bot.On<MemberUnmuteEvent>([&](MemberUnmuteEvent e)
 		{
+			// 机器人的操作不做处理
+			if (e.OperatorIsBot())
+			{
+				cout << "机器人解除禁言操作" << endl;
+				return;
+			}
 			auto mc = MessageChain()
 				.Plain("恭喜老哥 " + e.Member.MemberName + " 提前出狱!");
 			bot.SendMessage(e.Member.Group.GID, mc);
 		});
 
-	bool res = false;
-	res = bot.MuteAll(1029259687_gid);
-	if (res)
+	try
 	{
+		bot.MuteAll(1029259687_gid);
 		cout << "全体禁言成功！" << endl;
 	}
-	else
+	catch (const exception& ex)
 	{
-		cout << "全体禁言失败" << endl;
+		cout << "全体禁言失败: " << ex.what() << endl;
 	}
 
+
 	MiraiBot::SleepSeconds(5);
 
-	res = bot.UnMuteAll(1029259687_gid);
-	if (res)
+	try
 	{
+		bot.UnMuteAll(1029259687_gid);
 		cout << "解除全体禁言成功！" << endl;
 	}
-	else
+	catch (const exception& ex)
 	{
-		cout << "解除全体禁言失败" << endl;
+		cout << "解除全体禁言失败: " << ex.what() << endl;
 	}
 
-	res = bot.Mute(1029259687_gid, 211795583_qq, 60);
-	if (res)
+	try
 	{
-		cout << "禁言群员成功！" << endl;
+		bot.Mute(1029259687_gid, 211795583_qq, 60);
+		cout << "禁言群成员成功！" << endl;
 	}
-	else
+	catch (const exception& ex)
 	{
-		cout << "禁言群员失败" << endl;
+		cout << "禁言群成员失败: " << ex.what() << endl;
 	}
 
+
 	MiraiBot::SleepSeconds(5);
 
-	res = bot.UnMute(1029259687_gid, 211795583_qq);
-	if (res)
+	try
 	{
-		cout << "解除禁言群员成功！" << endl;
+		bot.UnMute(1029259687_gid, 211795583_qq);
+		cout << "解除禁言群成员成功！" << endl;
 	}
-	else
+	catch (const exception& ex)
 	{
-		cout << "解除禁言群员失败" << endl;
+		cout << "解除禁言群成员失败: " << ex.what() << endl;
 	}
 
 
 	bot.EventLoop();
 
-
 	return 0;
 }

examples/RecallEvent.cpp

@@ -26,12 +26,19 @@ int main()
 
 
 	bot.On<GroupRecallEvent>(
-		[&](GroupRecallEvent gm)
+		[&](GroupRecallEvent e)
 		{
 			try
 			{
-				auto mc = "刚刚有人撤回了: " + bot.GetGroupMessageFromId(gm.MessageId).MessageChain;
-				bot.SendMessage(gm.Group.GID, mc);
+				if(e.OperatorIsBot())
+				{
+					cout << "不处理原因：bot 撤回了一条消息" << endl;
+					return;
+				}
+				auto mc = "刚刚有人撤回了: " + bot.GetGroupMessageFromId(e.MessageId).MessageChain;
+				auto mid = bot.SendMessage(e.Group.GID, mc);
+				MiraiBot::SleepSeconds(5);
+				bot.Recall(mid);
 			}
 			catch (const std::exception& ex)
 			{
@@ -40,12 +47,12 @@ int main()
 		});
 
 	bot.On<FriendRecallEvent>(
-		[&](FriendRecallEvent gm)
+		[&](FriendRecallEvent e)
 		{
 			try
 			{
-				auto mc = "刚刚有人撤回了: " + bot.GetFriendMessageFromId(gm.MessageId).MessageChain;
-				bot.SendMessage(gm.AuthorQQ, mc);
+				auto mc = "刚刚有人撤回了: " + bot.GetFriendMessageFromId(e.MessageId).MessageChain;
+				bot.SendMessage(e.AuthorQQ, mc);
 			}
 			catch (const std::exception& ex)
 			{

include/events/group_name_change.hpp

@@ -3,10 +3,9 @@
 #define mirai_cpp_events_group_name_change_hpp_H_
 
 #include <nlohmann/json.hpp>
-#include "defs/qq_types.hpp"
+#include "event_interface.hpp"
 #include "defs/group.hpp"
 #include "defs/group_member.hpp"
-#include "event_interface.hpp"
 
 namespace Cyan
 {
@@ -48,7 +47,10 @@ namespace Cyan
 			j["origin"] = this->OriginName;
 			j["current"] = this->CurrentName;
 			j["group"] = this->Group.ToJson();
-			j["operator"] = this->Operator.ToJson();
+			if (!operator_is_null_)
+				j["operator"] = this->Operator.ToJson();
+			else
+				j["operator"] = nullptr;
 			return j;
 		}
 

include/events/group_recall_event.hpp

@@ -3,10 +3,9 @@
 #define mirai_cpp_events_group_recall_event_hpp_H_
 
 #include <nlohmann/json.hpp>
-#include "defs/qq_types.hpp"
-#include "defs/serializable.hpp"
-#include "defs/group_member.hpp"
 #include "event_interface.hpp"
+#include "defs/group_member.hpp"
+#include "defs/qq_types.hpp"
 
 namespace Cyan
 {
@@ -25,13 +24,22 @@ namespace Cyan
 			return MiraiEvent::GroupRecallEvent;
 		}
 
+		bool OperatorIsBot() const
+		{
+			return operator_is_null_;
+		}
+
 		virtual bool Set(const json& j) override
 		{
 			this->Time = j["time"].get<int64_t>();
 			this->AuthorQQ = (QQ_t)j["authorId"].get<int64_t>();
 			this->MessageId = j["messageId"].get<int64_t>();
 			this->Group.Set(j["group"]);
-			this->Operator.Set(j["operator"]);
+			if (!j["operator"].is_null())
+			{
+				this->Operator.Set(j["operator"]);
+				this->operator_is_null_ = false;
+			}
 			return true;
 		}
 		virtual json ToJson() const override
@@ -42,9 +50,14 @@ namespace Cyan
 			j["authorId"] = (int64_t)this->AuthorQQ;
 			j["messageId"] = this->MessageId;
 			j["group"] = this->Group.ToJson();
-			j["operator"] = this->Operator.ToJson();
+			if (!operator_is_null_)
+				j["operator"] = this->Operator.ToJson();
+			else
+				j["operator"] = nullptr;
 			return j;
 		}
+	private:
+		bool operator_is_null_ = true;
 	};
 
 }

include/events/member_leave_kick.hpp

@@ -3,10 +3,8 @@
 #define mirai_cpp_events_member_leave_kick_event_hpp_H_
 
 #include <nlohmann/json.hpp>
-#include "defs/qq_types.hpp"
-#include "defs/serializable.hpp"
-#include "defs/group_member.hpp"
 #include "event_interface.hpp"
+#include "defs/group_member.hpp"
 
 namespace Cyan
 {
@@ -22,21 +20,34 @@ namespace Cyan
 			return MiraiEvent::MemberLeaveEventKick;
 		}
 
+		bool OperatorIsBot() const
+		{
+			return operator_is_null_;
+		}
+
 		virtual bool Set(const json& j) override
 		{
 			this->Member.Set(j["member"]);
-			this->Operator.Set(j["operator"]);
+			if (!j["operator"].is_null())
+			{
+				this->Operator.Set(j["operator"]);
+				this->operator_is_null_ = false;
+			}
 			return true;
 		}
 		virtual json ToJson() const override
 		{
 			json j = json::object();
 			j["type"] = "MemberLeaveEventKick";
 			j["member"] = this->Member.ToJson();
-			j["operator"] = this->Operator.ToJson();
+			if (!operator_is_null_)
+				j["operator"] = this->Operator.ToJson();
+			else
+				j["operator"] = nullptr;
 			return j;
 		}
-
+	private:
+		bool operator_is_null_ = true;
 	};
 
 }

include/events/member_mute_event.hpp

@@ -3,10 +3,8 @@
 #define mirai_cpp_events_member_mute_event_hpp_H_
 
 #include <nlohmann/json.hpp>
-#include "defs/qq_types.hpp"
-#include "defs/serializable.hpp"
-#include "defs/group_member.hpp"
 #include "event_interface.hpp"
+#include "defs/group_member.hpp"
 
 namespace Cyan
 {
@@ -45,7 +43,10 @@ namespace Cyan
 			j["type"] = "MemberMuteEvent";
 			j["durationSeconds"] = this->DurationSeconds;
 			j["member"] = this->Member.ToJson();
-			j["operator"] = this->Operator.ToJson();
+			if (!operator_is_null_)
+				j["operator"] = this->Operator.ToJson();
+			else
+				j["operator"] = nullptr;
 			return j;
 		}
 

include/events/member_unmute_event.hpp

@@ -3,10 +3,8 @@
 #define mirai_cpp_events_member_unmute_event_hpp_H_
 
 #include <nlohmann/json.hpp>
-#include "defs/qq_types.hpp"
-#include "defs/serializable.hpp"
-#include "defs/group_member.hpp"
 #include "event_interface.hpp"
+#include "defs/group_member.hpp"
 
 namespace Cyan
 {
@@ -42,7 +40,10 @@ namespace Cyan
 			json j = json::object();
 			j["type"] = "MemberUnmuteEvent";
 			j["member"] = this->Member.ToJson();
-			j["operator"] = this->Operator.ToJson();
+			if (!operator_is_null_)
+				j["operator"] = this->Operator.ToJson();
+			else
+				j["operator"] = nullptr;
 			return j;
 		}