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Added better support for detection of duplicate users

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Corrected and enhanced exception message for GetUser
This commit is contained in:
stevenh 2012-02-16 11:30:44 +00:00
parent 098363a9cc
commit d862d7922e
1 changed files with 15 additions and 4 deletions
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19
TShockAPI/DB/UserManager.cs
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@ -20,6 +20,7 @@ using System.Data;
using System.IO;
using System.Collections.Generic;
using MySql.Data.MySqlClient;
using System.Text.RegularExpressions;
namespace TShockAPI.DB
{
@ -62,6 +63,9 @@ namespace TShockAPI.DB
}
catch (Exception ex)
{
// Detect duplicate user using a regexp as Sqlite doesn't have well structured exceptions
if (Regex.IsMatch(ex.Message, "Username.*not unique"))
throw new UserExistsException(user.Name);
throw new UserManagerException("AddUser SQL returned an error (" + ex.Message + ")", ex);
}
@ -254,15 +258,22 @@ namespace TShockAPI.DB
result = database.QueryReader("SELECT * FROM Users WHERE IP=@0", user.Address);
}
using (var reader = result)
if (result.Read())
{
if (reader.Read())
return LoadUserFromResult(user, result);
user = LoadUserFromResult(user, result);
// Check for multiple matches
if (!result.Read())
return user;
if (string.IsNullOrEmpty(user.Address))
throw new UserManagerException(String.Format("Multiple users found for name '{0}'", user.Name));
else
throw new UserManagerException(String.Format("Multiple users found for ip '{0}'", user.Address));
}
}
catch (Exception ex)
{
throw new UserManagerException("GetUserID SQL returned an error", ex);
throw new UserManagerException("GetUser SQL returned an error (" + ex.Message + ")", ex);
}
throw new UserNotExistException(string.IsNullOrEmpty(user.Address) ? user.Name : user.Address);
}