EF Unit Of Work

حالة

فرع	يبني	النشر
يتقن
يطور		ن/أ

ما هذا؟

مستودع ووحدة تنفيذ نمط العمل لتنفيذ إطار الكيان 3.

كيف تستخدم؟

تثبيت

تثبيت حزم nuget. استخدم التجريدات لطبقات المنطق والآخر مع طبقة البنية البنية أو مشروع العصر الحجري المتجانس.

dotnet add package QD.EntityFrameworkCore.UnitOfWork
dotnet add package QD.EntityFrameworkCore.UnitOfWork.Abstractions

سجل الخدمات

 public class AppDbContext : DbContext , IDbContext
{
    public DbSet < Product > Products { get ; set ; }

    public AppDbContext ( DbContextOptions < AppDbContext > options ) : base ( options )
    {
    }

    .. .
    .. .
} 

 public void ConfigureServices ( IServiceCollection services )
{
    services . AddDbContext < AppDbContext > ( builder =>
    {
        .. .
    } ) ;

#region Register UnitOfWorks
    // Register a IUnitOfWork<AppDbContext>
    _services . AddUnitOfWork < AppDbContext > ( ) ;
    // Register a IUnitOfWork<AppDbContext> and IUnitOfWork
    _services . AddUnitOfWork < AppDbContext > ( onlyGeneric : false ) ;
#endregion

    // Optional, register custom repositories
    _services . AddRepository < Product , ProductRepository > ( ) ;
    _services . AddReadOnlyRepository < Product , ProductReadOnlyRepository > ( ) ;
} 

استخدم الخدمات

 public class FancyService : IFancyService
{
    private readonly IUnitOfWork < AppDbContext > _unitOfWork ;

    public FancyService ( IUnitOfWork < AppDbContext > unitOfWork )
    {
        _unitOfWork = unitOfWork ;
    }

    public void DoFancyThing ( )
    {
        var productsRepository = _unitOfWork . GetRepository < Product > ( ) ;

        var products = productsRepository . GetAll ( ) ;

        .. .
        // Use inserts, updates, deletes.
        .. .

        _unitOfWork . SaveChanges ( ) ;
    }
} 

المجموعات المليئة (v2.0)

 public void FancyFunction ( )
{
    // These are some examples

    // Array
    IPagedCollection < Product > page1 = _productsRepository . GetPagedArray ( 20 , 0 , product => product . Price > 500 ) ;
    IPagedCollection < Product > page2 = await _productsRepository . GetPagedArrayAsync (
        pageSize : 10 ,
        orderBy : query => query . OrderBy ( product => product . Price ) . ThenBy ( product => product . Name )
    ) ;
    // Indexers
    var a = page1 [ 1 ] . Price ;
    var b = ( ( PagedArray < Product > ) page1 ) [ 2 ] . Price ;

    .. .

    // List
    IPagedCollection < Product > page1 = _productsRepository . GetPagedList ( 20 , 0 , product => product . Price > 500 ) ;
    IPagedCollection < Product > page2 = await _productsRepository . GetPagedListAsync (
        pageSize : 10 ,
        orderBy : query => query . OrderBy ( product => product . Price ) . ThenBy ( product => product . Name )
    ) ;
    // Indexers
    var a = page1 [ 1 ] . Price ;
    var b = ( ( PagedList < Product > ) page1 ) [ 2 ] . Price ;

    .. .

    // Dictionary
    IPagedCollection < KeyValuePair < Guid , Product > > page1 = _productsRepository . GetPagedDictionary ( product => product . Id , 20 , 0 , product => product . Price > 500 ) ;
    IPagedCollection < KeyValuePair < Guid , Product > > page2 = await _productsRepository . GetPagedDictionaryAsync (
        keySelector : product => product . Id ,
        pageSize : 10 ,
        orderBy : query => query . OrderBy ( product => product . Price ) . ThenBy ( product => product . Name )
    ) ;
    // Indexers
    var a = page1 [ 1 ] . Value . Price ;
    var b = ( ( PagedDictionary < Guid , Product > ) page1 ) [ Guid . Parse ( "5926d548-c0b3-4c40-b37f-e89be7741024" ) ] . Price ;
}

الأساليب قبل ذلك

    GetAll ( predicate , orderBy ) . ToPagedArray ( pageSize , pageNumber ) ;
    GetAll ( predicate , orderBy ) . ToPagedListAsync ( pageSize , pageNumber ) ;
    GetAll ( predicate , orderBy ) . ToPagedDictionary ( keySelector , pageSize , pageNumber ) ;