@using LANCommander.Server.Settings.Enums
@using Microsoft.Data.Sqlite
@using MySqlConnector
@using Npgsql
@switch (Provider)
{
case DatabaseProvider.SQLite:
break;
case DatabaseProvider.MySQL:
break;
case DatabaseProvider.PostgreSQL:
break;
default:
break;
}
@code {
[Parameter] public DatabaseProvider Provider { get; set; }
[Parameter] public string ConnectionString { get; set; } = String.Empty;
[Parameter] public EventCallback ConnectionStringChanged { get; set; }
SqliteConnectionStringBuilder SqliteBuilder = new();
MySqlConnectionStringBuilder MySqlBuilder = new();
NpgsqlConnectionStringBuilder NpgsqlBuilder = new();
DatabaseProvider _lastProvider = DatabaseProvider.Unknown;
string _lastConnectionString = String.Empty;
protected override void OnParametersSet()
{
if (Provider != _lastProvider || ConnectionString != _lastConnectionString)
{
ParseConnectionString();
_lastProvider = Provider;
_lastConnectionString = ConnectionString;
}
}
void ParseConnectionString()
{
try
{
switch (Provider)
{
case DatabaseProvider.SQLite:
SqliteBuilder = new SqliteConnectionStringBuilder(ConnectionString ?? String.Empty);
break;
case DatabaseProvider.MySQL:
MySqlBuilder = new MySqlConnectionStringBuilder(ConnectionString ?? String.Empty);
break;
case DatabaseProvider.PostgreSQL:
NpgsqlBuilder = new NpgsqlConnectionStringBuilder(ConnectionString ?? String.Empty);
break;
}
}
catch
{
// The existing connection string doesn't match the selected provider, start fresh.
SqliteBuilder = new();
MySqlBuilder = new();
NpgsqlBuilder = new();
}
}
async Task UpdateConnectionString()
{
var result = Provider switch
{
DatabaseProvider.SQLite => SqliteBuilder.ConnectionString,
DatabaseProvider.MySQL => MySqlBuilder.ConnectionString,
DatabaseProvider.PostgreSQL => NpgsqlBuilder.ConnectionString,
_ => ConnectionString
};
ConnectionString = result;
_lastConnectionString = result;
if (ConnectionStringChanged.HasDelegate)
await ConnectionStringChanged.InvokeAsync(result);
}
}