private ConditionExpression GetCondition(Schema.Domain.Attribute attr, object keyword, string entityAlias = "")
{
//数字类型
if (keyword.ToString().IsNumeric() && (attr.TypeIsInt() ||
attr.TypeIsFloat() ||
attr.TypeIsDecimal() ||
attr.TypeIsMoney() ||
attr.TypeIsSmallMoney() ||
attr.TypeIsSmallInt()
))
{
return(new ConditionExpression(GetSearchName(attr, entityAlias), GetConditionOperator(attr), keyword));
}
//日期类型
else if ((attr.TypeIsDateTime() ||
attr.TypeIsSmallDateTime()
))
{
if (DateTime.TryParse(keyword.ToString(), out DateTime d))
{
return(new ConditionExpression(GetSearchName(attr, entityAlias), GetConditionOperator(attr), keyword));
}
}
//guid类型
else if (attr.TypeIsPrimaryKey() ||
attr.TypeIsLookUp() ||
attr.TypeIsOwner() ||
attr.TypeIsCustomer())
{
if (keyword.ToString().IsGuid())
{
return(new ConditionExpression(attr.Name, GetConditionOperator(attr), keyword));
}
return(new ConditionExpression(GetSearchName(attr, entityAlias), ConditionOperator.Like, keyword));
}
//选项类型
else if ((attr.TypeIsState() ||
attr.TypeIsBit() ||
attr.TypeIsPickList() || attr.TypeIsStatus()))
{
if (keyword.ToString().IsInteger())//如果是数值
{
return(new ConditionExpression(entityAlias.IsEmpty() ? attr.Name : entityAlias + "." + attr.Name, GetConditionOperator(attr), keyword));
}
else
{
//按名称查找选项值
//...
if (attr.TypeIsState() || attr.TypeIsBit())
{
if (attr.PickLists.IsEmpty())
{
attr.PickLists = _stringMapFinder.Query(n => n.Where(f => f.AttributeId == attr.AttributeId));
}
var value = attr.PickLists.Find(n => n.Name.IsCaseInsensitiveEqual(keyword.ToString()));
if (null != value)
{
keyword = value.Value;
}
}
else if (attr.TypeIsPickList() || attr.TypeIsStatus())
{
if (attr.OptionSet == null)
{
attr.OptionSet = new OptionSet();//_optionSetFinder.FindById(attr.OptionSetId.Value);
}
var value = attr.OptionSet.Items.Find(n => n.Name.IsCaseInsensitiveEqual(keyword.ToString()));
if (null != value)
{
keyword = value.Value;
}
}
}
//if (keyword.ToString().IsInteger())
//{
// return new ConditionExpression(attr.Name, ConditionOperator.Equal, keyword);
//}
}
//字符串类型
else if ((attr.TypeIsNvarchar() ||
attr.TypeIsVarchar() ||
attr.TypeIsChar()))
{
return(new ConditionExpression(GetSearchName(attr, entityAlias), GetConditionOperator(attr), keyword));
}
return(null);
}
