/// <summary>
/// Gets the stringified query expression format of the current instance. A formatted string for field-operation-parameter will be
/// conjuncted by the value of the <see cref="Conjunction"/> property.
/// </summary>
/// <returns>A stringified formatted-text of the current instance.</returns>
public string GetString()
{
var groupList = new List <string>();
var conjunction = GetConjunctionText();
var separator = string.Concat(" ", conjunction, " ");
if (QueryFields?.Count() > 0)
{
var fieldList = new List <string>();
foreach (var queryField in QueryFields)
{
fieldList.Add(queryField.AsFieldAndParameter());
}
groupList.Add(fieldList.Join(separator));
}
if (QueryGroups?.Count() > 0)
{
var fieldList = new List <string>();
foreach (var queryGroup in QueryGroups)
{
fieldList.Add(queryGroup.GetString());
}
groupList.Add(fieldList.Join(separator));
}
return(IsNot ? string.Concat("NOT (", groupList.Join(conjunction), ")") : string.Concat("(", groupList.Join(separator), ")"));
}
/// <summary>
/// Gets the stringified query expression format of the current instance. A formatted string for field-operation-parameter will be
/// conjuncted by the value of the <see cref="Conjunction"/> property.
/// </summary>
/// <param name="index">The parameter index for batch operation.</param>
/// <returns>A stringified formatted-text of the current instance.</returns>
public string GetString(int index)
{
// Fix first the parameters
Fix();
// Variables
var groupList = new List <string>();
var conjunction = GetConjunctionText();
var separator = string.Concat(" ", GetConjunctionText(), " ");
// Check the instance fields
if (QueryFields?.Count() > 0)
{
var fields = QueryFields
.AsList()
.Select(qf => qf.AsFieldAndParameter(index)).Join(separator);
groupList.Add(fields);
}
// Check the instance groups
if (QueryGroups?.Count() > 0)
{
var groups = QueryGroups
.AsList()
.Select(qg => qg.GetString(index)).Join(separator);
groupList.Add(groups);
}
// Return the value
return(IsNot ? string.Concat("NOT (", groupList.Join(conjunction), ")") : string.Concat("(", groupList.Join(separator), ")"));
}