Win rate (#149)

胜率（无UI）

lua/server/room.lua

@@ -2482,6 +2482,18 @@ function Room:useSkill(player, skill, effect_cb)
   end
 end
 
+---@param room Room
+local function shouldUpdateWinRate(room)
+  if room.settings.gameMode == "heg_mode" then return false end
+  if room.settings.gameMode == "aaa_role_mode" and #room.players < 5 then
+    return false
+  end
+  for _, p in ipairs(room.players) do
+    if p.id < 0 then return false end
+  end
+  return true
+end
+
 --- 结束一局游戏。
 ---@param winner string @ 获胜的身份，空字符串表示平局
 function Room:gameOver(winner)
@@ -2494,6 +2506,24 @@ function Room:gameOver(winner)
   end
   self:doBroadcastNotify("GameOver", winner)
 
+  if shouldUpdateWinRate(self) then
+    for _, p in ipairs(self.players) do
+      local id = p.id
+      local general = p.general
+      local mode = self.settings.gameMode
+
+      if p.id > 0 then
+        if table.contains(winner:split("+"), p.role) then
+          self.room:updateWinRate(id, general, mode, 1)
+        elseif winner == "" then
+          self.room:updateWinRate(id, general, mode, 3)
+        else
+          self.room:updateWinRate(id, general, mode, 2)
+        end
+      end
+    end
+  end
+
   self.room:gameOver()
   coroutine.yield("__handleRequest")
 end

packages/init.sql

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-3.0-or-later */
 
-CREATE TABLE packages (
+CREATE TABLE IF NOT EXISTS packages (
   name VARCHAR(128),
   url VARCHAR(255),
   hash CHAR(40),

server/init.sql

@@ -1,6 +1,8 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
+-- SPDX-License-Identifier: GPL-3.0-or-later
 
-CREATE TABLE userinfo (
+-- 用户基本信息
+
+CREATE TABLE IF NOT EXISTS userinfo (
   id INTEGER PRIMARY KEY AUTOINCREMENT,
   name VARCHAR(255),
   password CHAR(64),
@@ -10,6 +12,40 @@ CREATE TABLE userinfo (
   banned BOOLEAN
 );
 
-CREATE TABLE banip (
+CREATE TABLE IF NOT EXISTS banip (
   ip VARCHAR(64)
 );
+
+-- 胜率相关
+
+CREATE TABLE IF NOT EXISTS winRate (
+  id INTEGER,
+  general VARCHAR(20),
+  mode VARCHAR(16),
+  win INTEGER,
+  lose INTEGER,
+  draw INTEGER,
+  PRIMARY KEY (id, general, mode)
+);
+
+CREATE VIEW IF NOT EXISTS playerWinRate AS
+  SELECT winRate.id, name, mode,
+    SUM(win) AS 'win',
+    SUM(lose) AS 'lose',
+    SUM(draw) AS 'draw',
+    SUM(win + lose + draw) AS 'total',
+    ROUND(SUM(win) * 1.0 / (SUM(win + lose + draw) * 1.0) * 100, 2)
+      AS 'winRate'
+  FROM winRate, userinfo
+  WHERE winRate.id = userinfo.id
+  GROUP BY winRate.id, mode;
+
+CREATE VIEW IF NOT EXISTS generalWinRate AS
+  SELECT general, mode,
+    SUM(win) AS 'win',
+    SUM(lose) AS 'lose',
+    SUM(draw) AS 'draw',
+    SUM(win + lose + draw) AS 'total',
+    ROUND(SUM(win) * 1.0 / (SUM(win + lose + draw) * 1.0) * 100, 2)
+      AS 'winRate'
+  FROM winRate GROUP BY general, mode;

src/core/util.cpp

@@ -63,14 +63,15 @@ void Dumpstack(lua_State *L) {
 sqlite3 *OpenDatabase(const QString &filename, const QString &initSql) {
   sqlite3 *ret;
   int rc;
-  if (!QFile::exists(filename)) {
-    QFile file(initSql);
-    if (!file.open(QIODevice::ReadOnly)) {
-      qFatal("cannot open %s. Quit now.", initSql.toUtf8().data());
-      qApp->exit(1);
-    }
 
-    QTextStream in(&file);
+  QFile file(initSql);
+  if (!file.open(QIODevice::ReadOnly)) {
+    qFatal("cannot open %s. Quit now.", initSql.toUtf8().data());
+    qApp->exit(1);
+  }
+  QTextStream in(&file);
+
+  if (!QFile::exists(filename)) {
     char *err_msg;
     sqlite3_open(filename.toLatin1().data(), &ret);
     rc = sqlite3_exec(ret, in.readAll().toLatin1().data(), nullptr, nullptr,
@@ -89,10 +90,26 @@ sqlite3 *OpenDatabase(const QString &filename, const QString &initSql) {
       sqlite3_close(ret);
       qApp->exit(1);
     }
+
+    char *err_msg;
+    rc = sqlite3_exec(ret, in.readAll().toLatin1().data(), nullptr, nullptr,
+                      &err_msg);
+
+    if (rc != SQLITE_OK) {
+      qCritical() << "sqlite error:" << err_msg;
+      sqlite3_free(err_msg);
+      sqlite3_close(ret);
+      qApp->exit(1);
+    }
   }
   return ret;
 }
 
+bool CheckSqlString(const QString &str) {
+  static const QRegularExpression exp("['\";#]+|(--)|(/\\*)|(\\*/)|(--\\+)");
+  return (!exp.match(str).hasMatch() && !str.isEmpty());
+}
+
 // callback for handling SELECT expression
 static int callback(void *jsonDoc, int argc, char **argv, char **cols) {
   QJsonObject obj;

src/core/util.h

@@ -9,6 +9,7 @@ lua_State *CreateLuaState();
 bool DoLuaScript(lua_State *L, const char *script);
 
 sqlite3 *OpenDatabase(const QString &filename = "./server/users.db", const QString &initSql = "./server/init.sql");
+bool CheckSqlString(const QString &str);
 QJsonArray SelectFromDatabase(sqlite3 *db, const QString &sql);
 // For Lua
 QString SelectFromDb(sqlite3 *db, const QString &sql);

src/network/router.cpp

@@ -155,8 +155,8 @@ void Router::handlePacket(const QByteArray &rawPacket) {
                                        const QString &jsonData) {
       auto arr = String2Json(jsonData).array();
       auto avatar = arr[0].toString();
-      static QRegularExpression nameExp("['\";#]+|(--)|(/\\*)|(\\*/)|(--\\+)");
-      if (!nameExp.match(avatar).hasMatch()) {
+
+      if (CheckSqlString(avatar)) {
         auto sql = QString("UPDATE userinfo SET avatar='%1' WHERE id=%2;")
                        .arg(avatar)
                        .arg(sender->getId());

src/server/room.cpp

@@ -302,9 +302,68 @@ void Room::chat(ServerPlayer *sender, const QString &jsonData) {
     doBroadcastNotify(observers, "Chat", json);
   }
 
-
   qInfo("[Chat] %s: %s", sender->getScreenName().toUtf8().constData(),
-      doc["msg"].toString().toUtf8().constData());
+        doc["msg"].toString().toUtf8().constData());
+}
+
+void Room::updateWinRate(int id, const QString &general, const QString &mode,
+                         int game_result) {
+  static const QString findWinRate =
+      QString("SELECT win, lose, draw "
+              "FROM winRate WHERE id = %1 and general = '%2' and mode = '%3';");
+
+  static const QString updateRate =
+      QString("UPDATE winRate "
+              "SET win = %4, lose = %5, draw = %6 "
+              "WHERE id = %1 and general = '%2' and mode = '%3';");
+
+  static const QString insertRate =
+      QString("INSERT INTO winRate "
+              "(id, general, mode, win, lose, draw) "
+              "VALUES (%1, '%2', '%3', %4, %5, %6);");
+
+  if (!CheckSqlString(general))
+    return;
+  if (!CheckSqlString(mode))
+    return;
+
+  int win = 0;
+  int lose = 0;
+  int draw = 0;
+
+  switch (game_result) {
+  case 1:
+    win++;
+    break;
+  case 2:
+    lose++;
+    break;
+  case 3:
+    draw++;
+    break;
+  default:
+    break;
+  }
+
+  QJsonArray result =
+      SelectFromDatabase(server->getDatabase(),
+                         findWinRate.arg(QString::number(id), general, mode));
+
+  if (result.isEmpty()) {
+    ExecSQL(server->getDatabase(),
+            insertRate.arg(QString::number(id), general, mode,
+                           QString::number(win), QString::number(lose),
+                           QString::number(draw)));
+  } else {
+    auto obj = result[0].toObject();
+    win += obj["win"].toString().toInt();
+    lose += obj["lose"].toString().toInt();
+    draw += obj["draw"].toString().toInt();
+    ExecSQL(server->getDatabase(),
+            updateRate.arg(QString::number(id), general, mode,
+                           QString::number(win), QString::number(lose),
+                           QString::number(draw)));
+  }
 }
 
 void Room::gameOver() {
@@ -324,7 +383,8 @@ void Room::gameOver() {
 }
 
 QString Room::fetchRequest() {
-  if (!gameStarted) return "";
+  if (!gameStarted)
+    return "";
   request_queue_mutex.lock();
   QString ret = "";
   if (!request_queue.isEmpty()) {
@@ -335,7 +395,8 @@ QString Room::fetchRequest() {
 }
 
 void Room::pushRequest(const QString &req) {
-  if (!gameStarted) return;
+  if (!gameStarted)
+    return;
   request_queue_mutex.lock();
   request_queue.enqueue(req);
   request_queue_mutex.unlock();

src/server/room.h

@@ -52,6 +52,8 @@ class Room : public QThread {
                          const QString &command, const QString &jsonData);
   void chat(ServerPlayer *sender, const QString &jsonData);
 
+  void updateWinRate(int id, const QString &general, const QString &mode,
+                     int result);
   void gameOver();
 
   void initLua();

src/server/server.cpp

@@ -220,10 +220,6 @@ void Server::processRequest(const QByteArray &msg) {
 void Server::handleNameAndPassword(ClientSocket *client, const QString &name,
                                    const QString &password,
                                    const QString &md5_str) {
-  // First check the name and password
-  // Matches a string that does not contain special characters
-  static QRegularExpression nameExp("['\";#]+|(--)|(/\\*)|(\\*/)|(--\\+)");
-
   auto encryted_pw = QByteArray::fromBase64(password.toLatin1());
   unsigned char buf[4096] = {0};
   RSA_private_decrypt(RSA_size(rsa), (const unsigned char *)encryted_pw.data(),
@@ -263,7 +259,7 @@ void Server::handleNameAndPassword(ClientSocket *client, const QString &name,
   QJsonArray result;
   QJsonObject obj;
 
-  if (!nameExp.match(name).hasMatch() && !name.isEmpty()) {
+  if (CheckSqlString(name)) {
     // Then we check the database,
     QString sql_find = QString("SELECT * FROM userinfo \
     WHERE name='%1';")
@@ -311,7 +307,7 @@ void Server::handleNameAndPassword(ClientSocket *client, const QString &name,
           player->alive = true;
           client->disconnect(this);
           broadcast("ServerMessage",
-              tr("%1 backed").arg(player->getScreenName()));
+                    tr("%1 backed").arg(player->getScreenName()));
           room->pushRequest(QString("%1,reconnect").arg(id));
           return;
         } else {

src/swig/server.i

@@ -51,6 +51,8 @@ public:
     const QString &jsonData
   );
 
+  void updateWinRate(int id, const QString &general, const QString &mode,
+                     int result);
   void gameOver();
 
   LuaFunction startGame;