/// <summary>
/// Initializes a new instance of the <see cref="Inventory"/> class.
/// </summary>
/// <param name="capacity">Capacity of this inventory.</param>
/// <param name="inventoryServices">Needed services of this inventory.</param>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="capacity"/> is too low.</exception>
public Inventory(int capacity, AggregatedInventoryServices inventoryServices)
{
if (capacity < MinimalInventoryCapacity)
{
throw new ArgumentOutOfRangeException(nameof(capacity), $"The capacity has to be {MinimalInventoryCapacity} or higher");
}
this.itemRegistry = inventoryServices.ItemRegistry;
this.items = new ConcurrentDictionary <Guid, IItem>();
this.RuntimeId = Guid.NewGuid();
this.UsedCapacity = 0;
this.Capacity = capacity;
}
/// <summary>
/// Initializes a new instance of the <see cref="ItemFactory"/> class.
/// </summary>
/// <param name="registry">Needed registry-service reference.</param>
/// <param name="serviceProvider">Needed serviceprovider reference.</param>
public ItemFactory(IItemRegistry registry, IServiceProvider serviceProvider)
{
this.registry = registry;
this.serviceProvider = serviceProvider;
}
/// <summary>
/// Initializes a new instance of the <see cref="AggregatedInventoryServices"/> class.
/// </summary>
/// <param name="itemRegistry">Non-null instance of <see cref="IItemRegistry"/>.</param>
public AggregatedInventoryServices(IItemRegistry itemRegistry)
{
this.ItemRegistry = itemRegistry;
}
/// <summary>
/// Reads the given <paramref name="itemRegistry"/> and registers all <see cref="ItemMeta"/> instances to the <see cref="IServiceCollection"/>.
/// </summary>
/// <param name="serviceCollection"><see cref="IServiceCollection"/> to register all <see cref="ItemMeta"/> to.</param>
/// <param name="itemRegistry"><see cref="IItemRegistry"/> that will be read.</param>
/// <returns><see cref="IServiceCollection"/> that was passed by <paramref name="serviceCollection"/>.</returns>
/// <exception cref="ArgumentNullException"><paramref name="serviceCollection"/> or <paramref name="itemRegistry"/> is null.</exception>
/// <exception cref="InvalidItemRegistryException"><paramref name="itemRegistry"/> is not valid. See exception for more details.</exception>
public static IServiceCollection AddItemTypes(this IServiceCollection serviceCollection, IItemRegistry itemRegistry)
{
if (serviceCollection == null)
{
throw new ArgumentNullException(nameof(serviceCollection));
}
if (itemRegistry == null)
{
throw new ArgumentNullException(nameof(itemRegistry));
}
serviceCollection.AddTransient(x => itemRegistry);
var metaCollection = itemRegistry.GetItemMeta();
if (metaCollection == null)
{
throw new InvalidItemRegistryException($"The method {itemRegistry.GetType()}.{nameof(IItemRegistry.GetItemMeta)} returns a null enumerable instance!");
}
if (metaCollection.Contains(null !))
{
throw new InvalidItemRegistryException($"The method {itemRegistry.GetType()}.{nameof(IItemRegistry.GetItemMeta)} contains a null value inside the collection");
}
var uniqueTypes = metaCollection.Select(x => x.Type).Distinct();
foreach (var itemType in uniqueTypes)
{
serviceCollection.AddTransient(itemType, x => ActivatorUtilities.CreateFactory(itemType, new[] { typeof(ItemMeta) }));
}
return(serviceCollection);
}
