/// <summary>
/// Initializes a new instance of the CollectionViewModelBase class.
/// </summary>
/// <param name="unitOfWorkFactory">A factory used to create a unit of work instance.</param>
/// <param name="getRepositoryFunc">A function that returns a repository representing entities of the given type.</param>
/// <param name="projection">A LINQ function used to customize a query for entities. The parameter, for example, can be used for sorting data and/or for projecting data to a custom type that does not match the repository entity type.</param>
/// <param name="newEntityInitializer">A function to initialize a new entity. This parameter is used in the detail collection view models when creating a single object view model for a new entity.</param>
/// <param name="canCreateNewEntity">A function that is called before an attempt to create a new entity is made. This parameter is used together with the newEntityInitializer parameter.</param>
/// <param name="ignoreSelectEntityMessage">A parameter used to specify whether the selected entity should be managed by PeekCollectionViewModel.</param>
protected CollectionViewModelBase(
IUnitOfWorkFactory <TUnitOfWork> unitOfWorkFactory,
Func <TUnitOfWork, IRepository <TEntity, TPrimaryKey> > getRepositoryFunc,
Func <IRepositoryQuery <TEntity>, IQueryable <TProjection> > projection,
Action <TEntity> newEntityInitializer,
Func <bool> canCreateNewEntity,
bool ignoreSelectEntityMessage
) : base(unitOfWorkFactory, getRepositoryFunc, projection)
{
RepositoryExtensions.VerifyProjection(CreateRepository(), projection);
this.newEntityInitializer = newEntityInitializer;
this.canCreateNewEntity = canCreateNewEntity;
this.ignoreSelectEntityMessage = ignoreSelectEntityMessage;
if (!this.IsInDesignMode())
{
RegisterSelectEntityMessage();
}
}
protected InstantFeedbackCollectionViewModelBase(
IUnitOfWorkFactory <TUnitOfWork> unitOfWorkFactory,
Func <TUnitOfWork, IRepository <TEntity, TPrimaryKey> > getRepositoryFunc,
Func <IRepositoryQuery <TEntity>, IQueryable <TProjection> > projection,
Func <bool> canCreateNewEntity = null)
{
this.unitOfWorkFactory = unitOfWorkFactory;
this.canCreateNewEntity = canCreateNewEntity;
this.getRepositoryFunc = getRepositoryFunc;
this.Projection = projection;
this.helperRepository = CreateRepository();
RepositoryExtensions.VerifyProjection(helperRepository, projection);
this.source = unitOfWorkFactory.CreateInstantFeedbackSource(getRepositoryFunc, Projection);
this.Entities = InstantFeedbackSourceViewModel.Create(() => helperRepository.Count(), source);
if (!this.IsInDesignMode())
{
OnInitializeInRuntime();
}
}