Fix bug:avoid duplicate data in db

Author: 尧杰 曾

PermissionSync/Configuration.cs

@@ -9,6 +9,7 @@ namespace PermissionSync
 {
     public class Configuration :IRocketPluginConfiguration
     {
+        public int TableVer;
         public string DatabaseAddress;
         public string DatabaseUsername;
         public string DatabasePassword;
@@ -17,8 +18,9 @@ public class Configuration :IRocketPluginConfiguration
         public int DatabasePort;
         public void LoadDefaults()
         {
+            TableVer = 2;
             DatabaseAddress = "127.0.0.1";
-            DatabaseUsername = "unturned";
+            DatabaseUsername = "root";
             DatabasePassword = "password";
             DatabaseName = "unturned";
             DatabaseTableName = "permissionsync";

PermissionSync/Database/DBManager.cs

@@ -26,7 +26,13 @@ public DBManager()
         public void CheckSchama()
         {
             DBConnection.ExecuteQuery(true,
-                $"CREATE TABLE IF NOT EXISTS `{Main.Instance.Configuration.Instance.DatabaseTableName}` (`SteamID` BIGINT NOT NULL, `PermissionGroup` varchar(32) NOT NULL, `ExpireDate` datetime(6) NOT NULL DEFAULT '{DateTime.MaxValue}', `Operator`VARCHAR(32) NOT NULL)");
+                $"CREATE TABLE IF NOT EXISTS `{Main.Instance.Configuration.Instance.DatabaseTableName}` (`SteamID` BIGINT NOT NULL, `PermissionGroup` varchar(32) NOT NULL, `ExpireDate` datetime(6) NOT NULL DEFAULT '{DateTime.MaxValue}', `Operator`VARCHAR(32) NOT NULL , UNIQUE KEY unique_permission (SteamID,PermissionGroup)");
+
+            if(Main.Instance.Configuration.Instance.TableVer == 1)
+            {
+                DBConnection.ExecuteQuery(true,
+                    $"ALTER TABLE `{Main.Instance.Configuration.Instance.DatabaseTableName}` ADD CONSTRAINT unique_permission UNIQUE KEY(`SteamID`,`PermissionGroup`)");
+            }
         }
 
         internal void PermissionSync(UnturnedPlayer player) 
@@ -126,7 +132,7 @@ public void UpdatePermission(UnturnedPlayer player, string PermissionGroupId,Dat
         internal void SaveDataToDB(PermissionData permissionData)
         {
             DBConnection.ExecuteQuery(true,
-                $"INSERT INTO `{Main.Instance.Configuration.Instance.DatabaseTableName}` (SteamID,PermissionGroup,ExpireDate,Operator) values('{permissionData.SteamID}','{permissionData.PermissionID}','{permissionData.ExpireDate}','{permissionData.OperatorID}') ");
+                $"INSERT INTO `{Main.Instance.Configuration.Instance.DatabaseTableName}` (SteamID,PermissionGroup,ExpireDate,Operator) values('{permissionData.SteamID}','{permissionData.PermissionID}','{permissionData.ExpireDate}','{permissionData.OperatorID}') ON DUPLICATE KEY UPDATE `SteamID` = VALUES(`SteamID`),`PermissionGroup` = VALUES(`PermissionGroup`), `ExpireDate` = VALUES(`ExpireDate`), `Operator` = VALUES(`Operator`)");
         }
 
         internal void RemoveDataFromDB(UnturnedPlayer player,string groupid)

PermissionSync/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@
 //可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值
 //通过使用 "*"，如下所示:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.3")]
-[assembly: AssemblyFileVersion("1.0.0.3")]
+[assembly: AssemblyVersion("1.0.1.0")]
+[assembly: AssemblyFileVersion("1.0.1.0")]