update

common/mysql_apply.hpp

@@ -0,0 +1,71 @@
+#pragma once
+#include "mysql.hpp"
+#include "friend_apply.hxx"
+#include "friend_apply-odb.hxx"
+
+namespace bite_im {
+    class FriendApplyTable {
+        public:
+            using ptr = std::shared_ptr<FriendApplyTable>;
+            FriendApplyTable(const std::shared_ptr<odb::core::database> &db) : _db(db){}
+            bool insert(FriendApply &ev) {
+                try {
+                    odb::transaction trans(_db->begin());
+                    _db->persist(ev);
+                    trans.commit();
+                }catch (std::exception &e) {
+                    LOG_ERROR("新增好友申请事件失败 {}-{}:{}！", ev.user_id(), ev.peer_id(), e.what());
+                    return false;
+                }
+                return true;
+            }
+            bool exists(const std::string &uid, const std::string &pid) {
+                bool flag = false;
+                try {
+                    typedef odb::query<FriendApply> query;
+                    typedef odb::result<FriendApply> result;
+                    odb::transaction trans(_db->begin());
+                    result r(_db->query<FriendApply>(query::user_id == uid && query::peer_id == pid));
+                    LOG_DEBUG("{} - {} 好友事件数量：{}", uid, pid, r.size());
+                    flag = !r.empty();
+                    trans.commit();
+                }catch (std::exception &e) {
+                    LOG_ERROR("获取好友申请事件失败:{}-{}-{}！", uid, pid, e.what());
+                }
+                return flag;
+            }
+            bool remove(const std::string &uid, const std::string &pid) {
+                try {
+                    odb::transaction trans(_db->begin());
+                    typedef odb::query<FriendApply> query;
+                    typedef odb::result<FriendApply> result;
+                    _db->erase_query<FriendApply>(query::user_id == uid && query::peer_id == pid);
+                    trans.commit();
+                }catch (std::exception &e) {
+                    LOG_ERROR("删除好友申请事件失败 {}-{}:{}！", uid, pid, e.what());
+                    return false;
+                }
+                return true;
+            }
+            //获取当前指定用户的 所有好友申请者ID
+            std::vector<std::string> applyUsers(const std::string &uid){
+                std::vector<std::string> res;
+                try {
+                    odb::transaction trans(_db->begin());
+                    typedef odb::query<FriendApply> query;
+                    typedef odb::result<FriendApply> result;
+                    //当前的uid是被申请者的用户ID
+                    result r(_db->query<FriendApply>(query::peer_id == uid));
+                    for (result::iterator i(r.begin()); i != r.end(); ++i) {
+                        res.push_back(i->user_id());
+                    }
+                    trans.commit();
+                }catch (std::exception &e) {
+                    LOG_ERROR("通过用户{}的好友申请者失败:{}！", uid, e.what());
+                }
+                return res;
+            }
+        private:
+            std::shared_ptr<odb::core::database> _db;
+    };
+}