private static bool ConditionIsTrue <T>(T entity, ConditionExpression condition) where T : Entity
{
// Date Time Details: https://community.dynamics.com/crm/b/gonzaloruiz/archive/2012/07/29/date-and-time-operators-in-crm-explained
int days;
bool value;
DateTime date;
AssertExpectedNumberOfValues(condition);
var name = condition.GetQualifiedAttributeName();
switch (condition.Operator)
{
case ConditionOperator.Equal:
value = Compare(entity, name, condition.Values[0]) == 0;
break;
case ConditionOperator.NotEqual:
value = Compare(entity, name, condition.Values[0]) != 0;
break;
case ConditionOperator.GreaterThan:
value = Compare(entity, name, condition.Values[0]) > 0;
break;
case ConditionOperator.LessThan:
value = Compare(entity, name, condition.Values[0]) < 0;
break;
case ConditionOperator.GreaterEqual:
value = Compare(entity, name, condition.Values[0]) >= 0;
break;
case ConditionOperator.LessEqual:
value = Compare(entity, name, condition.Values[0]) <= 0;
break;
case ConditionOperator.Like:
var str = GetString(entity, name);
if (str == null)
{
value = condition.Values[0] == null;
}
else
{
var likeCondition = (string)condition.Values[0];
// http://stackoverflow.com/questions/5417070/c-sharp-version-of-sql-like
value = new Regex(@"\A" + new Regex(@"\.|\$|\^|\{|\[|\(|\||\)|\*|\+|\?|\\").Replace(likeCondition.ToUpper(), ch => @"\" + ch).Replace('_', '.').Replace("%", ".*") + @"\z", RegexOptions.Singleline).IsMatch(str.ToUpper());
}
break;
case ConditionOperator.NotLike:
value = !ConditionIsTrue(entity, new ConditionExpression(condition.EntityName, condition.AttributeName, ConditionOperator.Like));
break;
case ConditionOperator.In:
value = condition.Values.Any(v => v.Equals(ConvertCrmTypeToBasicComparable(entity, name)));
break;
case ConditionOperator.NotIn:
value = !condition.Values.Any(v => v.Equals(ConvertCrmTypeToBasicComparable(entity, name)));
break;
//case ConditionOperator.Between:
// break;
//case ConditionOperator.NotBetween:
// break;
case ConditionOperator.Null:
value = Compare(entity, name, null) == 0;
break;
case ConditionOperator.NotNull:
value = Compare(entity, name, null) != 0;
break;
case ConditionOperator.Yesterday:
value = IsBetween(entity, condition, DateTime.UtcNow.Date.AddDays(-1), DateTime.UtcNow.Date);
break;
case ConditionOperator.Today:
value = IsBetween(entity, condition, DateTime.UtcNow.Date, DateTime.UtcNow.Date.AddDays(1));
break;
case ConditionOperator.Tomorrow:
value = IsBetween(entity, condition, DateTime.UtcNow.Date.AddDays(1), DateTime.UtcNow.Date.AddDays(2));
break;
case ConditionOperator.Last7Days:
condition.Operator = ConditionOperator.LastXDays;
condition.Values.Add(7);
value = ConditionIsTrue(entity, condition);
break;
case ConditionOperator.Next7Days:
condition.Operator = ConditionOperator.NextXDays;
condition.Values.Add(7);
value = ConditionIsTrue(entity, condition);
break;
//case ConditionOperator.LastWeek:
// break;
//case ConditionOperator.ThisWeek:
// break;
//case ConditionOperator.NextWeek:
// break;
//case ConditionOperator.LastMonth:
// break;
//case ConditionOperator.ThisMonth:
// break;
//case ConditionOperator.NextMonth:
// break;
case ConditionOperator.On:
date = condition.GetDateTimeValueFromDateOrString().Date;
var attributeDate = entity.GetAttributeValue <DateTime?>(name);
value = attributeDate.HasValue &&
date == attributeDate.Value.Date;
break;
case ConditionOperator.OnOrBefore:
date = condition.GetDateTimeValueFromDateOrString().Date;
if (date != DateTime.MaxValue)
{
date = date.AddDays(1);
}
value = IsBetween(entity, condition, DateTime.MinValue, date);
break;
case ConditionOperator.OnOrAfter:
date = condition.GetDateTimeValueFromDateOrString().Date;
value = IsBetween(entity, condition, date, DateTime.MaxValue);
break;
// break;
//case ConditionOperator.LastYear:
// break;
//case ConditionOperator.ThisYear:
// break;
//case ConditionOperator.NextYear:
// break;
//case ConditionOperator.LastXHours:
// break;
//case ConditionOperator.NextXHours:
// break;
case ConditionOperator.LastXDays:
days = condition.GetIntValueFromIntOrString();
if (days <= 0)
{
throw CrmExceptions.GetConditionValueGreaterThan0Exception();
}
value = IsBetween(entity, condition, DateTime.UtcNow.Date.AddDays(-1d * days), DateTime.UtcNow.AddDays(1).Date);
break;
case ConditionOperator.NextXDays:
days = condition.GetIntValueFromIntOrString();
if (days <= 0)
{
throw CrmExceptions.GetConditionValueGreaterThan0Exception();
}
value = IsBetween(entity, condition, DateTime.UtcNow, DateTime.UtcNow.Date.AddDays(days + 1));
break;
//case ConditionOperator.LastXWeeks:
// break;
//case ConditionOperator.NextXWeeks:
// break;
//case ConditionOperator.LastXMonths:
// break;
//case ConditionOperator.NextXMonths:
// break;
//case ConditionOperator.LastXYears:
// break;
//case ConditionOperator.NextXYears:
// break;
//case ConditionOperator.EqualUserId:
// break;
//case ConditionOperator.NotEqualUserId:
// break;
//case ConditionOperator.EqualBusinessId:
// break;
//case ConditionOperator.NotEqualBusinessId:
// break;
//case ConditionOperator.ChildOf:
// break;
//case ConditionOperator.Mask:
// break;
//case ConditionOperator.NotMask:
// break;
//case ConditionOperator.MasksSelect:
// break;
//case ConditionOperator.Contains:
// break;
//case ConditionOperator.DoesNotContain:
// break;
//case ConditionOperator.EqualUserLanguage:
// break;
//case ConditionOperator.NotOn:
// break;
//case ConditionOperator.OlderThanXMonths:
// break;
case ConditionOperator.BeginsWith:
var beginsWithStr = GetString(entity, name);
if (beginsWithStr == null)
{
value = condition.Values[0] == null;
}
else
{
value = beginsWithStr.StartsWith((string)condition.Values[0]);
}
break;
case ConditionOperator.DoesNotBeginWith:
condition.Operator = ConditionOperator.BeginsWith;
value = !ConditionIsTrue(entity, condition);
break;
case ConditionOperator.EndsWith:
var endsWithStr = GetString(entity, name);
if (endsWithStr == null)
{
value = condition.Values[0] == null;
}
else
{
value = endsWithStr.EndsWith((string)condition.Values[0]);
}
break;
case ConditionOperator.DoesNotEndWith:
condition.Operator = ConditionOperator.EndsWith;
value = !ConditionIsTrue(entity, condition);
break;
//case ConditionOperator.ThisFiscalYear:
// break;
//case ConditionOperator.ThisFiscalPeriod:
// break;
//case ConditionOperator.NextFiscalYear:
// break;
//case ConditionOperator.NextFiscalPeriod:
// break;
//case ConditionOperator.LastFiscalYear:
// break;
//case ConditionOperator.LastFiscalPeriod:
// break;
//case ConditionOperator.LastXFiscalYears:
// break;
//case ConditionOperator.LastXFiscalPeriods:
// break;
//case ConditionOperator.NextXFiscalYears:
// break;
//case ConditionOperator.NextXFiscalPeriods:
// break;
//case ConditionOperator.InFiscalYear:
// break;
//case ConditionOperator.InFiscalPeriod:
// break;
//case ConditionOperator.InFiscalPeriodAndYear:
// break;
//case ConditionOperator.InOrBeforeFiscalPeriodAndYear:
// break;
//case ConditionOperator.InOrAfterFiscalPeriodAndYear:
// break;
//case ConditionOperator.EqualUserTeams:
// break;
default:
throw new NotImplementedException(condition.Operator.ToString());
}
return(value);
}