/// <summary>
/// Get string filter to be used with Elasticsearch.
/// </summary>
/// <param name="searchCriteria">Search criteria.</param>
/// <returns>String filter.</returns>
private static String GetStringFilter(this WebSpeciesObservationFieldSearchCriteria searchCriteria)
{
if (searchCriteria.IsNotNull())
{
switch (searchCriteria.Operator)
{
case CompareOperator.BeginsWith:
return "{ \"prefix\" : { \"" + GetFieldName(searchCriteria) + "_Lowercase" +
"\" : \"" + searchCriteria.Value.ToLower() + "\" }}";
case CompareOperator.Contains:
return "{\"query\" : { \"wildcard\" : { \"" + GetFieldName(searchCriteria) + "_Lowercase" +
"\" : \"*" + searchCriteria.Value.ToLower() + "*\"}}}";
case CompareOperator.EndsWith:
return "{\"query\" : { \"wildcard\" : { \"" + GetFieldName(searchCriteria) + "_Lowercase" +
"\" : \"*" + searchCriteria.Value.ToLower() + "\"}}}";
case CompareOperator.Equal:
return "{ \"term\" : { \"" + GetFieldName(searchCriteria) + "_Lowercase" +
"\" : \"" + searchCriteria.Value.ToLower() + "\" }}";
case CompareOperator.Like:
return "{\"query\" : { \"wildcard\" : { \"" + GetFieldName(searchCriteria) + "_Lowercase" +
"\" : \"" + searchCriteria.Value.ToLower() + "\"}}}";
case CompareOperator.NotEqual:
return "{not : { \"term\" : { \"" + GetFieldName(searchCriteria) + "_Lowercase" +
"\" : \"" + searchCriteria.Value.ToLower() + "\" }}}";
default:
throw new ArgumentException("Not handled string compare operator = " + searchCriteria.Operator);
}
}
return null;
}
/// <summary>
/// Check that data is valid.
/// </summary>
/// <param name="searchCriteria">Search criteria.</param>
/// <param name="mapping">Information about fields in Elasticsearch.</param>
public static void CheckData(this WebSpeciesObservationFieldSearchCriteria searchCriteria,
Dictionary<String, WebSpeciesObservationField> mapping)
{
String fieldName;
WebSpeciesObservationField field;
if (searchCriteria.IsNotNull())
{
searchCriteria.Class.CheckNotNull("Class");
searchCriteria.Class.GetClass().CheckNotEmpty("Class string");
searchCriteria.Property.CheckNotNull("Property");
searchCriteria.Property.GetProperty().CheckNotEmpty("Property string");
searchCriteria.Value.CheckNotEmpty("Value");
searchCriteria.Value = searchCriteria.Value.CheckJsonInjection();
fieldName = searchCriteria.GetFieldName();
if (mapping.ContainsKey(fieldName))
{
field = mapping[fieldName];
}
else
{
throw new ArgumentException("No field in Elasticsearch with name = " + fieldName);
}
if ((fieldName == "Location_CoordinateX") ||
(fieldName == "Location_CoordinateY"))
{
throw new ArgumentException("Can not make field search on field " + fieldName);
}
if ((field.Type != searchCriteria.Type) &&
!((field.Type == WebDataType.Int64) &&
(searchCriteria.Type == WebDataType.Int32)))
{
throw new ArgumentException("Different data types. Field type = " + field.Type + ". Field search criteria type = " + searchCriteria.Type + ".");
}
switch (searchCriteria.Type)
{
case WebDataType.Boolean:
if (!((searchCriteria.Operator == CompareOperator.Equal) ||
(searchCriteria.Operator == CompareOperator.NotEqual)))
{
throw new ArgumentException("Operator " + searchCriteria.Operator + " is not supported on data of type " + searchCriteria.Type + ".");
}
break;
case WebDataType.DateTime:
case WebDataType.Float64:
case WebDataType.Int32:
case WebDataType.Int64:
if (!((searchCriteria.Operator == CompareOperator.Equal) ||
(searchCriteria.Operator == CompareOperator.Greater) ||
(searchCriteria.Operator == CompareOperator.GreaterOrEqual) ||
(searchCriteria.Operator == CompareOperator.Less) ||
(searchCriteria.Operator == CompareOperator.LessOrEqual) ||
(searchCriteria.Operator == CompareOperator.NotEqual)))
{
throw new ArgumentException("Operator " + searchCriteria.Operator + " is not supported on data of type " + searchCriteria.Type + ".");
}
break;
case WebDataType.String:
if (!((searchCriteria.Operator == CompareOperator.BeginsWith) ||
(searchCriteria.Operator == CompareOperator.Contains) ||
(searchCriteria.Operator == CompareOperator.EndsWith) ||
(searchCriteria.Operator == CompareOperator.Equal) ||
(searchCriteria.Operator == CompareOperator.Like) ||
(searchCriteria.Operator == CompareOperator.NotEqual)))
{
throw new ArgumentException("Operator " + searchCriteria.Operator + " is not supported on data of type " + searchCriteria.Type + ".");
}
break;
default:
throw new ArgumentException("Not supported data type = " + searchCriteria.Type);
}
}
}
