[Merchants] Convert Clear/Delete/Save of Temporary Merchant Lists to Repositories (#3945)

* [Merchants] Convert Clear/Delete/Save of Temporary Merchant Lists to Repositories

- Convert `ClearMerchantTemp()`, `DeleteMerchantTemp()`, and `SaveMerchantTemp()` to repositories.

* Update merchantlist_temp_repository.h

common/database.cpp

@@ -54,6 +54,7 @@
 
 #include "repositories/zone_repository.h"
 #include "zone_store.h"
+#include "repositories/merchantlist_temp_repository.h"
 
 extern Client client;
 
@@ -1221,8 +1222,9 @@ void Database::GetAccountFromID(uint32 id, char* oAccountName, int16* oStatus) {
 		*oStatus = Strings::ToInt(row[1]);
 }
 
-void Database::ClearMerchantTemp(){
-	QueryDatabase("DELETE FROM merchantlist_temp");
+void Database::ClearMerchantTemp()
+{
+	MerchantlistTempRepository::ClearTemporaryMerchantLists(*this);
 }
 
 bool Database::UpdateName(const char* oldname, const char* newname) {

common/repositories/base/base_merchantlist_temp_repository.h

@@ -16,6 +16,7 @@
 #include "../../strings.h"
 #include <ctime>
 
+
 class BaseMerchantlistTempRepository {
 public:
 	struct MerchantlistTemp {

common/repositories/merchantlist_temp_repository.h

@@ -44,7 +44,15 @@ public:
      */
 
 	// Custom extended repository methods here
-
+	static void ClearTemporaryMerchantLists(Database& db)
+	{
+		db.QueryDatabase(
+			fmt::format(
+				"TRUNCATE {}",
+				TableName()
+			)
+		);
+	}
 };
 
 #endif //EQEMU_MERCHANTLIST_TEMP_REPOSITORY_H