From 63c53a8e23776cc3011fd0260857bd22274e2c62 Mon Sep 17 00:00:00 2001
From: Howaner <franzi.moos@googlemail.com>
Date: Sun, 28 Sep 2014 15:16:11 +0200
Subject: [PATCH] cRankManager: Added ClearPlayerRanks()

---
 MCServer/Plugins/APIDump/APIDesc.lua        |  1 +
 src/Bindings/ManualBindings_RankManager.cpp | 22 +++++++++++++++++++++
 src/RankManager.cpp                         | 19 ++++++++++++++++++
 src/RankManager.h                           |  4 ++++
 4 files changed, 46 insertions(+)

diff --git a/MCServer/Plugins/APIDump/APIDesc.lua b/MCServer/Plugins/APIDump/APIDesc.lua
index fbed7cc00..2250092ba 100644
--- a/MCServer/Plugins/APIDump/APIDesc.lua
+++ b/MCServer/Plugins/APIDump/APIDesc.lua
@@ -2033,6 +2033,7 @@ cPluginManager.AddHook(cPluginManager.HOOK_CHAT, OnChatMessage);
 				AddGroupToRank = { Params = "GroupName, RankName", Return = "bool", Notes = "Adds the specified group to the specified rank. Returns true on success, false on failure - if the group name or the rank name is not found." },
 				AddPermissionToGroup = { Params = "Permission, GroupName", Return = "bool", Notes = "Adds the specified permission to the specified group. Returns true on success, false on failure - if the group name is not found." },
 				AddRank = { Params = "RankName, MsgPrefix, MsgSuffix, MsgNameColorCode", Return = "", Notes = "Adds a new rank of the specified name and with the specified message visuals. Logs an info message and does nothing if the rank already exists." },
+				ClearPlayerRanks = { Params = "", Return = "", Notes = "Removes all player ranks from the database. Note that this doesn't change the cPlayer instances for the already connected players, you need to update all the instances manually." },
 				GetAllGroups = { Params = "", Return = "array-table of groups' names", Notes = "Returns an array-table containing the names of all the groups that are known to the manager." },
 				GetAllPermissions = { Params = "", Return = "array-table of permissions", Notes = "Returns an array-table containing all the permissions that are known to the manager." },
 				GetAllPlayers = { Params = "", Return = "array-table of playernames", Notes = "Returns the short uuids of all defined players." },
diff --git a/src/Bindings/ManualBindings_RankManager.cpp b/src/Bindings/ManualBindings_RankManager.cpp
index b43cd9ef2..cddf1ec2e 100644
--- a/src/Bindings/ManualBindings_RankManager.cpp
+++ b/src/Bindings/ManualBindings_RankManager.cpp
@@ -129,6 +129,27 @@ static int tolua_cRankManager_AddRank(lua_State * L)
 
 
 
+/** Binds cRankManager::ClearPlayerRanks */
+static int tolua_cRankManager_ClearPlayerRanks(lua_State * L)
+{
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserTable(1, "cRankManager") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+
+	// Remove all players:
+	cRoot::Get()->GetRankManager().ClearPlayerRanks();
+	return 1;
+}
+
+
+
+
+
 /** Binds cRankManager::GetAllGroups */
 static int tolua_cRankManager_GetAllGroups(lua_State * L)
 {
@@ -1031,6 +1052,7 @@ void ManualBindings::BindRankManager(lua_State * tolua_S)
 		tolua_function(tolua_S, "AddGroupToRank",            tolua_cRankManager_AddGroupToRank);
 		tolua_function(tolua_S, "AddPermissionToGroup",      tolua_cRankManager_AddPermissionToGroup);
 		tolua_function(tolua_S, "AddRank",                   tolua_cRankManager_AddRank);
+		tolua_function(tolua_S, "ClearPlayerRanks",          tolua_cRankManager_ClearPlayerRanks);
 		tolua_function(tolua_S, "GetAllGroups",              tolua_cRankManager_GetAllGroups);
 		tolua_function(tolua_S, "GetAllPermissions",         tolua_cRankManager_GetAllPermissions);
 		tolua_function(tolua_S, "GetAllPlayers",             tolua_cRankManager_GetAllPlayers);
diff --git a/src/RankManager.cpp b/src/RankManager.cpp
index 0f267473a..fd5e58025 100644
--- a/src/RankManager.cpp
+++ b/src/RankManager.cpp
@@ -1817,6 +1817,25 @@ bool cRankManager::SetDefaultRank(const AString & a_RankName)
 
 
 
+void cRankManager::ClearPlayerRanks(void)
+{
+	ASSERT(m_IsInitialized);
+	cCSLock Lock(m_CS);
+
+	try {
+		SQLite::Statement stmt(m_DB, "DELETE FROM PlayerRank");
+		stmt.exec();
+	}
+	catch (SQLite::Exception & ex)
+	{
+		LOGWARNING("%s: Failed to remove/clear all players: %s", __FUNCTION__, ex.what());
+	}
+}
+
+
+
+
+
 bool cRankManager::UpdatePlayerName(const AString & a_PlayerUUID, const AString & a_NewPlayerName)
 {
 	ASSERT(m_IsInitialized);
diff --git a/src/RankManager.h b/src/RankManager.h
index b577fad05..acfcdb01d 100644
--- a/src/RankManager.h
+++ b/src/RankManager.h
@@ -217,6 +217,10 @@ public:
 
 	/** Returns the name of the default rank. */
 	const AString & GetDefaultRank(void) const { return m_DefaultRank; }
+
+	/** Removes all player ranks from the database. Note that this doesn't change the cPlayer instances
+	for the already connected players, you need to update all the instances manually. */
+	void ClearPlayerRanks(void);
 	
 	/** Updates the playername that is saved with this uuid. Returns false if a error occurred */
 	bool UpdatePlayerName(const AString & a_PlayerUUID, const AString & a_NewPlayerName);