jwjosefy / Sprint.Filter.OData

Sprint.Filter.OData

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Introduction

coming soon...

Operators and functions

Serialize

Filter.Serialize<Customer>(t => t.Customers.Select(x => x.Id).Any())
//result: Customers/Select(x: x/Id)/Any()

Deserialize

Filter.Deserialize<Customer>("Numbers/Max(x: x) eq 15")
//result: t => t.Numbers.Max(x => x) == 15

//Support Enumerable,Queryable  Methods:

Filter.Deserialize<Customer>("IntArray/Average(x: x) eq 15")
//result: t => t.IntArray.Average(x => x) == 15

Filter.Deserialize<Customer>("Customers/GroupBy(x: x/Id)/Count() eq 15")
//result: t => t.Customers.GroupBy(x => x.Id).Count() == 15

Filter.Deserialize<Customer>("IntArray/Contains(Id)")
//result: t => t.IntArray.Contains(t.Id)

Filter.Deserialize<Customer>("Customers/Select(x: x/Id)/Distinct()/Count() eq 15")
//result: t => t.Customers.Select(x => x.Id).Distinct().Count() == 15

##User functions

//Entity Framework StringConvert methods
var methods = typeof(SqlFunctions)
              .GetMethods()
              .Where(x => x.Name == "StringConvert").ToArray();

//Register user functions
MethodProvider.RegisterFunction("StringConvert", methods);

Filter.Deserialize<Customer>("StringConvert(Price) eq '1'")
//result: t => SqlFunctions.StringConvert(t.Price) == "1"
 
Filter.Serialize<Customer>(t => SqlFunctions.StringConvert(t.Price) == "1")
//result: StringConvert(Price) eq '1'

Attributes

//Support Attributes:
[XmlElement(ElementName = "...")]
[XmlAttributeAttribute(AttributeName = "...")]
[DataMember(Name = "...")]
 
Filter.Serialize<Customer>(t => t.CustomName1 == 1 || t.CustomName2 == 2 || t.CustomName3 == 3)
//result: cn1 eq 1 or cn2 eq 2 or cn3 eq 3

Filter.Deserialize<Customer>("cn1 eq 1 or cn2 eq 2 or cn3 eq 3")
//result: t => t.CustomName1 == 1 || t.CustomName2 == 2 || t.CustomName3 == 3

##MvcAttribute in Sprint.Filter.OData.Mvc

public ActionResult List([ODataFilterBinder]Expression<Func<Customer,bool>> predicate)
{
    ....
}

Bugs

Bugs should be reported through github at https://github.com/artem-sedykh/Sprint.Filter.OData/issues/.