public static void Update(ICswResources CswResources,
CswNbtConfigurationVariablesPageReturnUpdateSuccess Return,
CswNbtDataContractConfigurationVariableResponseContainer Request)
{
CswNbtResources NbtResources = (CswNbtResources)CswResources;
Return.Data = _updateConfigVars(NbtResources, Request);
}
//_getConfigVars
/// <summary>
/// powers the webservice, which handles incoming updated config vars from server
/// </summary>
/// <param name="NbtResources">NbtResources object</param>
/// <param name="varsFromServer">Encapsulates a collection of config vars form server</param>
/// <returns></returns>
private static CswNbtDataContractConfigurationUpdateSuccessResponse _updateConfigVars(CswNbtResources NbtResources,
CswNbtDataContractConfigurationVariableResponseContainer varsFromServer)
{
CswNbtDataContractConfigurationUpdateSuccessResponse ret = new CswNbtDataContractConfigurationUpdateSuccessResponse();
Dictionary <string, string> updatedConfigVarsFromClient = new Dictionary <string, string>();
//add all the config vars into the dictionary
//keyed by name. If the incoming array contains
//more than one change to the same config var,
//the last change 'wins'.
foreach (CswNbtDataContractConfigurationVariableResponse thisResponse in varsFromServer.responseArray)
{
if (updatedConfigVarsFromClient.ContainsKey(thisResponse.VariableName))
{
updatedConfigVarsFromClient[thisResponse.VariableName] = thisResponse.VariableValue;
}
else
{
updatedConfigVarsFromClient.Add(thisResponse.VariableName, thisResponse.VariableValue);
}
}
CswTableUpdate CVTableUpdate = NbtResources.makeCswTableUpdate("update config vars", "configuration_variables");
DataTable CVDataTable = CVTableUpdate.getTable();
foreach (DataRow thisRow in CVDataTable.Rows)
{
string configVarName = thisRow[COL_VARIABLENAME].ToString();
if (updatedConfigVarsFromClient.ContainsKey(configVarName))
{
string updatedConfigVarValue = updatedConfigVarsFromClient[configVarName];
string currentConfigVarValue = thisRow[COL_VARIABLEVALUE].ToString();
//make sure config var has been altered
if (updatedConfigVarValue != currentConfigVarValue)
{
string configVarDataType = thisRow[COL_DATATYPE].ToString();
//now do type specific validation
switch (configVarDataType)
{
case DATATYPE_INT:
int configValueAsInt = CswConvert.ToInt32(updatedConfigVarValue);
int configMinValue = CswConvert.ToInt32(thisRow[COL_CONSTRAINT]);
//throw exception if the value is > minvalue
if (configValueAsInt <= configMinValue)
{
throw new CswDniException(CswEnumErrorType.Warning,
"The value of " + configVarName + " must be greater than "
+ configMinValue,
"Config varible of INT datatype must be < " + configMinValue);
}
else
{
thisRow[COL_VARIABLEVALUE] = updatedConfigVarValue;
}
break;
case DATATYPE_LIST:
CswCommaDelimitedString listOptions = new CswCommaDelimitedString(thisRow[COL_CONSTRAINT].ToString());
if (false == listOptions.Contains(updatedConfigVarValue))
{
string listOptionsString = listOptions.ToString();
throw new CswDniException(CswEnumErrorType.Warning,
configVarName + " must be set to one of these options: "
+ listOptionsString,
"Config variable " + configVarName + " cannot be set to " + currentConfigVarValue +
" since it is not one of the predefined options " + listOptionsString);
}
else
{
thisRow[COL_VARIABLEVALUE] = updatedConfigVarValue;
}
break;
case DATATYPE_BOOL:
if (false == (updatedConfigVarValue == "0" ||
updatedConfigVarValue == "1"))
{
throw new CswDniException(CswEnumErrorType.Warning,
configVarName + " must be set to 0 or 1",
configVarName + " is of type BOOL, therefore it must be set to 0 or 1");
}
else
{
thisRow[COL_VARIABLEVALUE] = updatedConfigVarValue;
}
break;
//for string type there is no config var specific validation
default:
thisRow[COL_VARIABLEVALUE] = updatedConfigVarValue;
break;
} //switch by ConfigVarDatatype
} // if config var has been updated
} //if this config var was returned from client
} //for each dataRow
//commit changes
CVTableUpdate.update(CVDataTable);
//if any errors are encountered, the exception will throw an error message
//so there is no execution path where we return false
ret.success = true;
return(ret);
}
