public object GetConfigurationInstance(string configClassName, Assembly assembly, Type context,
string connectionString, string provider, out IMessage message)
{
try
{
if (string.IsNullOrEmpty(configClassName))
{
message = _messageFactory.Get(MessageType.MissingConfigurationClass);
return(null);
}
var configuration = assembly
.GetTypes()
.FirstOrDefault(x => x.FullName == configClassName);
if (configuration == null)
{
message = _messageFactory.Get(MessageType.ConfigurationTypeNotFound);
return(null);
}
var configConstructor = configuration.GetConstructor(Type.EmptyTypes);
if (configConstructor == null)
{
message = _messageFactory.Get(MessageType.ConfigurationTypeNotFound);
return(null);
}
var instance = configConstructor.Invoke(new object[0]);
if (instance == null)
{
message = _messageFactory.Get(MessageType.ConfigurationTypeNotInstantiated);
return(null);
}
var dbConnectionInfoInstance = _entityFrameworkHelper.GetDbConnectionInfoInstance(connectionString,
provider, out message);
if (dbConnectionInfoInstance == null)
{
message = _messageFactory.Get(MessageType.UnableToCreateInstanceOfDbConnectionInfo);
return(null);
}
configuration.GetProperty("ContextType").SetValue(instance, context);
configuration.GetProperty("MigrationsAssembly").SetValue(instance, assembly);
configuration.GetProperty("TargetDatabase").SetValue(instance, dbConnectionInfoInstance);
configuration.GetProperty("AutomaticMigrationDataLossAllowed").SetValue(instance, false);
configuration.GetProperty("AutomaticMigrationsEnabled").SetValue(instance, true);
return(instance);
}
catch (Exception exp)
{
message = _messageFactory.Get(MessageType.Exception);
message.Exception = exp;
return(null);
}
}
