update

common/mysql_chat_session_member.hpp

@@ -0,0 +1,87 @@
+#pragma once
+#include "mysql.hpp"
+#include "chat_session_member.hxx"
+#include "chat_session_member-odb.hxx"
+
+namespace bite_im {
+class ChatSessionMemeberTable {
+    public:
+        using ptr = std::shared_ptr<ChatSessionMemeberTable>;
+        ChatSessionMemeberTable(const std::shared_ptr<odb::core::database> &db):_db(db){}
+        //单个会话成员的新增 --- ssid & uid
+        bool append(ChatSessionMember &csm) {
+            try {
+                odb::transaction trans(_db->begin());
+                _db->persist(csm);
+                trans.commit();
+            }catch (std::exception &e) {
+                LOG_ERROR("新增单会话成员失败 {}-{}:{}！", 
+                    csm.session_id(), csm.user_id(), e.what());
+                return false;
+            }
+            return true;
+        }
+        bool append(std::vector<ChatSessionMember> &csm_lists) {
+            try {
+                odb::transaction trans(_db->begin());
+                for (auto &csm : csm_lists) {
+                    _db->persist(csm);
+                }
+                trans.commit();
+            }catch (std::exception &e) {
+                LOG_ERROR("新增多会话成员失败 {}-{}:{}！", 
+                    csm_lists[0].session_id(), csm_lists.size(), e.what());
+                return false;
+            }
+            return true;
+        }
+        //删除指定会话中的指定成员 -- ssid & uid
+        bool remove(ChatSessionMember &csm) {
+            try {
+                odb::transaction trans(_db->begin());
+                typedef odb::query<ChatSessionMember> query;
+                typedef odb::result<ChatSessionMember> result;
+                _db->erase_query<ChatSessionMember>(query::session_id == csm.session_id() &&
+                    query::user_id == csm.user_id());
+                trans.commit();
+            }catch (std::exception &e) {
+                LOG_ERROR("删除单会话成员失败 {}-{}:{}！", 
+                    csm.session_id(), csm.user_id(), e.what());
+                return false;
+            }
+            return true;
+        }
+        //删除会话的所有成员信息
+        bool remove(const std::string &ssid) {
+            try {
+                odb::transaction trans(_db->begin());
+                typedef odb::query<ChatSessionMember> query;
+                typedef odb::result<ChatSessionMember> result;
+                _db->erase_query<ChatSessionMember>(query::session_id == ssid);
+                trans.commit();
+            }catch (std::exception &e) {
+                LOG_ERROR("删除会话所有成员失败 {}:{}！", ssid, e.what());
+                return false;
+            }
+            return true;
+        }
+        std::vector<std::string> members(const std::string &ssid) {
+            std::vector<std::string> res;
+            try {
+                odb::transaction trans(_db->begin());
+                typedef odb::query<ChatSessionMember> query;
+                typedef odb::result<ChatSessionMember> result;
+                result r(_db->query<ChatSessionMember>(query::session_id == ssid));
+                for (result::iterator i(r.begin()); i != r.end(); ++i) {
+                    res.push_back(i->user_id());
+                }
+                trans.commit();
+            }catch (std::exception &e) {
+                LOG_ERROR("获取会话成员失败:{}-{}！", ssid, e.what());
+            }
+            return res;
+        }
+    private:
+       std::shared_ptr<odb::core::database> _db; 
+};
+}