支持获取、删除群公告;

Author: cyanray

examples/RepeatMessage.cpp

@@ -53,6 +53,12 @@ int main(int argc, char* argv[])
 
 	cout << "Bot Working..." << endl;
 
+	auto result = bot.GetGroupAnnouncement(767473146_gid);
+	for (auto&& item : result)
+	{
+		cout << item.Content << endl;
+	}
+
 	bot.On<Message>(
 		[&](Message m)
 		{

include/mirai/MiraiBot.hpp

@@ -380,6 +380,28 @@ namespace Cyan
 		 */
 		void SetGroupConfig(const GID_t& group, const GroupConfig& groupConfig);
 
+		/**
+		 * @brief 获取群公告
+		 * @param group 群(GID_t)
+		 * @param offset 分页偏移
+		 * @param size 分页大小
+		 * @return std::vector<Announcement>
+		*/
+		std::vector<GroupAnnouncement> GetGroupAnnouncement(const GID_t& group, int offset = 0, int size = 10);
+
+		/**
+		 * @brief 删除群公告
+		 * @param group 群(GID_t)
+		 * @param announcementId 群公告ID 
+		*/
+		void DeleteGroupAnnoencement(const GID_t& group, const string& announcementId);
+
+		/**
+		 * @brief 删除群公告
+		 * @param announcement 群公告对象
+		*/
+		void DeleteGroupAnnoencement(const GroupAnnouncement& announcement);
+
 		/**
 		 * \brief 根据消息ID(MessageId)获取对应的好友消息
 		 * \param mid 消息ID(MessageId)

include/mirai/defs/GroupAnnouncement.hpp

@@ -0,0 +1,81 @@
+#pragma once
+#ifndef mirai_cpp_defs_Announcement_hpp_H_
+#define mirai_cpp_defs_Announcement_hpp_H_
+
+#include "mirai/third-party/nlohmann/json.hpp"
+#include "mirai/defs/QQType.hpp"
+#include "mirai/defs/Group.hpp"
+#include "ISerializable.hpp"
+
+namespace Cyan
+{
+	/**
+	 * @brief 群通告
+	*/
+	class GroupAnnouncement : public ISerializable
+	{
+	public:
+		/**
+		 * @brief 群组
+		*/
+		Group_t Group;
+
+		/**
+		 * @brief 群公告内容
+		*/
+		string Content;
+
+		/**
+		 * @brief 发送者 QQ
+		*/
+		QQ_t SenderQQ;
+
+		/**
+		 * @brief 群公告唯一Id
+		*/
+		string AnnouncementId;
+
+		/**
+		 * @brief 是否所有群成员已确认
+		*/
+		bool AllConfirmed;
+
+		/**
+		 * @brief 已经确认的人数
+		*/
+		int ConfirmedMembersCount;
+
+		/**
+		 * @brief 发布时间
+		*/
+		int64_t PublicationTime;
+
+		virtual bool Set(const json& j) override
+		{
+			Group.Set(j["group"]);
+			Content = j["content"].get<string>();
+			SenderQQ = (QQ_t)j["senderId"].get<int64_t>();
+			AnnouncementId = j["fid"].get<string>();
+			AllConfirmed = j["allConfirmed"].get<bool>();
+			ConfirmedMembersCount = j["confirmedMembersCount"].get<int>();
+			PublicationTime = j["publicationTime"].get<int64_t>();
+			return true;
+		}
+		virtual json ToJson() const override
+		{
+			return
+			{
+				{ "group", Group.ToJson() },
+				{ "content", Content },
+				{ "senderId", SenderQQ.ToInt64() },
+				{ "fid", AnnouncementId },
+				{ "allConfirmed", AllConfirmed },
+				{ "confirmedMembersCount", ConfirmedMembersCount },
+				{ "publicationTime", PublicationTime }
+			};
+		}
+	};
+
+}
+
+#endif

include/mirai/defs/GroupFile.hpp

@@ -57,7 +57,7 @@ namespace Cyan
 
 		virtual bool Set(const json& j) override
 		{
-			Size = j["size"].get<int64_t>();
+			Size = j["size"].get<int>();
 			Name = j["name"].get<string>();
 			Id = j["id"].get<string>();
 			Path = j["path"].get<string>();

include/mirai/defs/defs.hpp

@@ -12,5 +12,6 @@
 #include "MessageChain.hpp"
 #include "Profile.hpp"
 #include "FileDownloadInfo.hpp"
+#include "GroupAnnouncement.hpp"
 
 #endif // !mirai_cpp_defs_defs_hpp_H_

src/MiraiBot.cpp

@@ -890,6 +890,48 @@ namespace Cyan
 		ParseOrThrowException(res);
 	}
 
+	std::vector<GroupAnnouncement> MiraiBot::GetGroupAnnouncement(const GID_t& group, int offset, int size)
+	{
+		stringstream api_url;
+		api_url
+			<< "/anno/list?sessionKey="
+			<< pmem->sessionKey
+			<< "&id="
+			<< int64_t(group)
+			<< "&offset="
+			<< offset
+			<< "&size="
+			<< size;
+		auto res = pmem->httpClient->Get(api_url.str().data());
+		json re_json = ParseOrThrowException(res);
+		vector<GroupAnnouncement> result;
+		for (const auto& item : re_json["data"])
+		{
+			GroupAnnouncement tmp;
+			tmp.Set(item);
+			result.emplace_back(std::move(tmp));
+		}
+		return result;
+	}
+
+	void MiraiBot::DeleteGroupAnnoencement(const GID_t& group, const string& announcementId)
+	{
+		json data =
+		{
+			{ "sessionKey", pmem->sessionKey },
+			{ "id", int64_t(group) },
+			{ "fid", announcementId }
+		};
+
+		auto res = pmem->httpClient->Post("/anno/delete", data.dump(), CONTENT_TYPE.c_str());
+		ParseOrThrowException(res);
+	}
+
+	void MiraiBot::DeleteGroupAnnoencement(const GroupAnnouncement& announcement)
+	{
+		return DeleteGroupAnnoencement(announcement.Group.GID, announcement.AnnouncementId);
+	}
+
 	GroupConfig MiraiBot::GetGroupConfig(const GID_t& group)
 	{
 		stringstream api_url;