collection for integrations

zero.Core/Integrations/IntegrationsCollection.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using zero.Core.Collections;
+
+namespace zero.Core.Integrations
+{
+  public class IntegrationsCollection : CollectionCacheBase<IIntegration>, IIntegrationsCollection
+  {
+    public IReadOnlyCollection<IIntegrationType> RegisteredTypes { get; private set; }
+
+
+    public IntegrationsCollection(IZeroContext context, ICollectionInterceptorHandler interceptorHandler) : base(context, interceptorHandler)
+    {
+      RegisteredTypes = context.Options.Integrations.GetAllItems();
+    }
+
+
+    /// <inheritdoc />
+    public async Task<T> Get<T>() where T : class, IIntegration
+    {
+      Type type = typeof(T);
+      IIntegrationType integration = RegisteredTypes.FirstOrDefault(x => x.SettingsType == type);
+
+      if (integration == null)
+      {
+        return default;
+      }
+
+      await Preload();
+      return Items.FirstOrDefault(x => x.IntegrationAlias == integration.Alias) as T;
+    }
+
+
+    /// <inheritdoc />
+    public async Task<IIntegration> GetByAlias(string alias)
+    {
+      IIntegrationType integration = RegisteredTypes.FirstOrDefault(x => x.Alias.Equals(alias, StringComparison.InvariantCultureIgnoreCase));
+
+      if (integration == null)
+      {
+        return default;
+      }
+
+      await Preload();
+      return Items.FirstOrDefault(x => x.IntegrationAlias == integration.Alias);
+    }
+
+
+    /// <inheritdoc />
+    public async Task<T> GetById<T>(string id) where T : class, IIntegration
+    {
+      return await GetById(id) as T;
+    }
+  }
+
+
+  public interface IIntegrationsCollection : ICollectionBase<IIntegration>
+  {
+    /// <summary>
+    /// Get settings for a specific integration
+    /// </summary>
+    Task<T> Get<T>() where T : class, IIntegration;
+
+    /// <summary>
+    /// Get settings for a specific integration
+    /// </summary>
+    Task<IIntegration> GetByAlias(string alias);
+
+    /// <summary>
+    /// Get settings for a specific integration
+    /// </summary>
+    Task<T> GetById<T>(string id) where T : class, IIntegration;
+  }
+}