Class CommonExtensions

Common set of extension methods for use within the SDK.

Inheritance

System.Object

CommonExtensions

Namespace: Cireson.Core.Common.Extensions

Assembly: Cireson.Core.Common.dll

Syntax

public static class CommonExtensions : object

Remarks

Admin, 8/24/2017.

Methods

View Source

AddIfNotExists<T>(IDbSet<T>, Expression<Func<T, Boolean>>, T)

Adds the entity to the set if it does not exists, does nothibng if the entity exists. This is a parity to the AddOrUpdate extension, and can be used for seeding data during migrations.

Declaration

public static void AddIfNotExists<T>(this IDbSet<T> set, Expression<Func<T, bool>> expression, T item)
    where T : class

Parameters

Type	Name	Description
IDbSet<T>	set	The entity set.
Expression<Func<T, System.Boolean>>	expression	Entity selector expression.
T	item	Entity to add.

Type Parameters

Name	Description
T	.

Remarks

Admin, 8/24/2017.

View Source

AddMultiCardinalityValue<T>(IDictionary<String, Object>, String, T)

This will add an item to the dictionary if the key exists, then rather than replacing, or erroring it will replace the value with an IEnumerable and append the item to the array.

Declaration

public static void AddMultiCardinalityValue<T>(this IDictionary<string, object> dict, string key, T value)

Parameters

Type	Name	Description
IDictionary<System.String, System.Object>	dict	Source dictionary.
System.String	key	.
T	value	.

Type Parameters

Name	Description
T	Generic type parameter.

Remarks

Admin, 8/24/2017.

View Source

CompareBytes(Byte[], Byte[])

Compares all bytes in the array.

Declaration

public static bool CompareBytes(this byte[] b1, byte[] b2)

Parameters

Type	Name	Description
System.Byte[]	b1	.
System.Byte[]	b2	.

Returns

Type	Description
System.Boolean	True if it succeeds, false if it fails.

Remarks

Admin, 8/24/2017.

View Source

CreatePropertyLambda(Type, String)

Creates a property lambda eg: t => t.propertyName based on the type and propertyName.

Declaration

public static Expression CreatePropertyLambda(this Type type, string propertyName)

Parameters

Type	Name	Description
Type	type	.
System.String	propertyName	.

Returns

Type	Description
Expression	The new property lambda.

Remarks

Admin, 8/24/2017.

View Source

DistinctBy<TSource, TKey>(IQueryable<TSource>, Expression<Func<TSource, TKey>>)

An IQueryable<TSource> extension method that distinct by.

Declaration

public static IQueryable<TSource> DistinctBy<TSource, TKey>(this IQueryable<TSource> query, Expression<Func<TSource, TKey>> keySelector)

Parameters

Type	Name	Description
IQueryable<TSource>	query	The query to act on.
Expression<Func<TSource, TKey>>	keySelector	The key selector.

Returns

Type	Description
IQueryable<TSource>	An IQueryable<TSource>

Type Parameters

Name	Description
TSource	Type of the source.
TKey	Type of the key.

Remarks

Admin, 8/24/2017.

View Source

ForEach<T>(IEnumerable<T>, Action<T>)

Iterates through the enumerable, and executes the give action for each element.

Declaration

public static void ForEach<T>(this IEnumerable<T> list, Action<T> action)
    where T : class

Parameters

Type	Name	Description
IEnumerable<T>	list	Source enumerable.
Action<T>	action	The action to invoke for each item.

Type Parameters

Name	Description
T	.

Remarks

Admin, 8/24/2017.

View Source

FromJson(Type, String)

Returns an instance of the type from the json string.

Declaration

public static object FromJson(this Type type, string value)

Parameters

Type	Name	Description
Type	type	.
System.String	value	.

Returns

Type	Description
System.Object	An object.

Remarks

Admin, 8/24/2017.

View Source

GetBaseTypeThatImplements<TType>(Type)

Gets the type in the inheritance chain that first implements the specified interface/base class.

Declaration

public static Type GetBaseTypeThatImplements<TType>(this Type type)

Parameters

Type	Name	Description
Type	type	.

Returns

Type	Description
Type	The base type that implements.

Type Parameters

Name	Description
TType	.

Remarks

Admin, 8/24/2017.

View Source

GetInheritanceChain(Type, Type)

Retrieves the number of generations between the specified type, and the Ancestor Type.

Declaration

public static IEnumerable<Type> GetInheritanceChain(this Type type, Type untilAncestorType)

Parameters

Type	Name	Description
Type	type	Derived type to check.
Type	untilAncestorType	Ancestral type that defines the starting point.

Returns

Type	Description
IEnumerable<Type>	An enumerator that allows foreach to be used to process the inheritance chains in this collection.

Remarks

Admin, 8/24/2017.

View Source

GetPlatformUserId(IIdentity)

Gets the PlatformUserId for the identity based on the claims.

Declaration

public static long? GetPlatformUserId(this IIdentity identity)

Parameters

Type	Name	Description
IIdentity	identity	.

Returns

Type	Description
System.Nullable<System.Int64>	Platform User Id for the given claim.

Remarks

Admin, 8/24/2017.

View Source

GetPropertyFromExpression<T>(Expression<Func<T, Object>>)

Retrieves a PropertyInfo object from the given property lambda eg: entity => entity.SomeProperty.

Declaration

public static PropertyInfo GetPropertyFromExpression<T>(this Expression<Func<T, object>> getPropertyLambda)

Parameters

Type	Name	Description
Expression<Func<T, System.Object>>	getPropertyLambda	.

Returns

Type	Description
PropertyInfo	The property from expression.

Type Parameters

Name	Description
T	.

Remarks

Admin, 8/24/2017.

View Source

ToJson(Object)

Returns a json string representation of the object.

Declaration

public static string ToJson(this object obj)

Parameters

Type	Name	Description
System.Object	obj	.

Returns

Type	Description
System.String	Obj as a string.

Remarks

Admin, 8/24/2017.