public void BuildUnionDTO(SearchRequestDto searchDto, ApplicationSchemaDefinition originalSchema)
{
var unionSchema = MetadataProvider.FindSchemaDefinition(originalSchema.UnionSchema);
unionDTO = new SearchRequestDto();
unionDTO.BuildProjection(unionSchema);
unionDTO.FilterFixedWhereClause = searchDto.UnionFilterFixedWhereClause;
if (String.IsNullOrWhiteSpace(SearchParams))
{
return;
}
var sb = new StringBuilder(SearchParams);
var sbReplacingIdx = 0;
var nullParamCounter = 0;
var searchParameters = GetParameters();
var parameters = Regex.Split(SearchParams, SearchUtils.SearchParamSpliter).Where(f => !String.IsNullOrWhiteSpace(f));
foreach (var parameterSt in parameters)
{
var parameter = searchParameters[parameterSt];
var key = parameterSt.Split('.').Last();
var fields = originalSchema.Fields;
var idx = 0;
ApplicationFieldDefinition unionParameter = null;
foreach (var field in fields)
{
// need to recover field from the original schema, since on the client side it will pass this as the parameter name.
// the union schema has to be declared on the same order, but could have different field aliases
if (field.Attribute.EndsWith(key))
{
unionParameter = unionSchema.Fields[idx];
break;
}
idx++;
}
string newSearchParam;
if (unionParameter != null)
{
newSearchParam = unionParameter.Attribute + "_union";
}
else
{
newSearchParam = "null" + nullParamCounter++;
}
var idxToReplace = sb.ToString().IndexOf(parameterSt, sbReplacingIdx, StringComparison.Ordinal);
sb.Replace(parameterSt, newSearchParam, idxToReplace, parameterSt.Length);
sbReplacingIdx += newSearchParam.Length;
}
unionDTO.SearchParams = sb.ToString();
unionDTO.SearchValues = SearchValues;
HandleUnionZeroedValueCases(unionDTO);
}
public string BuildWhereClause(string entityName, QueryCacheKey.QueryMode queryMode, SearchRequestDto searchDto = null)
{
return(BuildWhereClause(entityName));
}
private static IEnumerable <string> getParametersOnTheRightOrder(IDictionary <string, SearchParameter> searchParameters, SearchRequestDto listDto)
{
var baseList = Regex.Split(listDto.SearchParams, SearchParamSpliter).Where(f => !String.IsNullOrWhiteSpace(f));
var result = new List <string>();
var i = 0;
foreach (var param in baseList)
{
if (searchParameters.ContainsKey(i + param))
{
//if there are multiple parameters for the same column (ex: a fixed whereclause + a grid filter status&&status --> status&&1status)
result.Add(i + param);
}
else
{
result.Add(param);
}
i++;
}
return(result);
}
public SearchUtils(SearchRequestDto searchDto, String entityName, string tableName)
{
_searchDTO = searchDto;
_entityName = entityName;
_tableName = tableName;
}
private static string HandleSearchParams(SearchRequestDto listDto, string entityName)
{
var sb = new StringBuilder();
var sbReplacingIdx = 0;
sb.Append(listDto.SearchParams).Replace("#", "");
var searchParameters = listDto.GetParameters();
var parameters = getParametersOnTheRightOrder(searchParameters, listDto);
var j = 0;
foreach (var parameter in parameters)
{
var searchParameter = searchParameters[parameter];
if (parameter.StartsWith("null"))
{
if (searchParameter.SearchOperator == SearchOperator.BLANK)
{
//HAP-1106-- > if blank operator, then all null union fields are acceptable, otherwise none
sb.Replace(parameter, "1=1");
}
else
{
sb.Replace(parameter, "1!=1");
}
//ignore null parameters, as of union grids
continue;
}
//need to fetch from here to keep order correct
var param = parameter;
var statement = new StringBuilder();
var parameterData = GetParameterData(entityName, searchParameter, param);
var operatorPrefix = searchParameter.SearchOperator.OperatorPrefix();
if (searchParameter.SearchOperator == SearchOperator.BETWEEN)
{
statement.Append("( " + parameterData.Item1 + " >= :" + param + "_start" + "&&" + parameterData.Item1 + " <= :" + param + "_end" + ")");
}
else if (searchParameter.SearchOperator == SearchOperator.ORCONTAINS)
{
var values = (searchParameter.Value as IEnumerable).Cast <string>().ToList();
if (values != null)
{
statement.Append("( ");
for (var i = 0; i < values.Count; i++)
{
statement.Append(parameterData.Item1);
// this next line would be the ideal, but it will be complicade passing this parameters to BaseHibernateDAO.
//statement.Append(GetDefaultParam(operatorPrefix, param + i));
// TODO: refactor later
statement.Append(operatorPrefix + "'%" + values[i] + "%'");
statement.Append(" OR ");
}
statement.Remove(statement.Length - 4, 4); // remove the last " OR "
statement.Append(" )");
}
}
else
{
searchParameter.IsNumber = parameterData.Item2 == ParameterType.Number;
statement.Append("( " + parameterData.Item1);
if (searchParameter.IsList)
{
statement.Append(operatorPrefix).Append(String.Format(HibernateUtil.ListParameterPrefixPattern, param));
}
else if (searchParameter.IsDate || parameterData.Item2 == ParameterType.Date)
{
statement.Append(HandleDateAttribute(param, searchParameter, operatorPrefix));
}
else if (searchParameter.SearchOperator == SearchOperator.BLANK && (searchParameter.IsNumber || searchParameter.IsDate))
{
statement.Append(" IS NULL ");
}
else
{
statement.Append(GetDefaultParam(operatorPrefix, param));
}
if (searchParameter.SearchOperator == SearchOperator.NOTEQ)
{
statement.Append(" OR " + parameterData.Item1 + " IS NULL " + " )");
}
else
{
statement.Append(" )");
}
}
var idxToReplace = sb.ToString().IndexOf(param, sbReplacingIdx, StringComparison.Ordinal);
if (idxToReplace == -1 && param.IndexOf(j.ToString(CultureInfo.InvariantCulture), StringComparison.Ordinal) != -1)
{
//if the parameter contains a number, let´s try now replacing it
//this is used on scenarios where we have a fixed query and grid query where we constrain one of the parameters of the original query with a gridfilter value
//then we would have two parameters with the same name. To vaoid it, we rename it to the position+ name (ex: 5status;)
param = param.Replace(j.ToString(CultureInfo.InvariantCulture), "");
idxToReplace = sb.ToString().IndexOf(param, sbReplacingIdx, StringComparison.Ordinal);
}
if (idxToReplace != -1)
{
//there´s just one case which was done as a workaround for fetching the commodities. see HapagImacDataSet#GetAssetCommodities
sb.Replace(param, statement.ToString(), idxToReplace, param.Length);
sbReplacingIdx += statement.ToString().Length;
}
j++;
}
sb.Replace("&&", " AND ");
sb.Replace("||,", " OR ");
return(sb.ToString());
}
