Added modular event system

src/HopFrame.Core/Config/DbContextConfig.cs

@@ -1,13 +1,16 @@
-using Microsoft.EntityFrameworkCore;
+using HopFrame.Core.Events;
+using Microsoft.EntityFrameworkCore;
 
 namespace HopFrame.Core.Config;
 
 public class DbContextConfig {
     public Type ContextType { get; }
     public List<TableConfig> Tables { get; } = new();
+    public HopFrameConfig ParentConfig { get; }
 
-    public DbContextConfig(Type context) {
+    public DbContextConfig(Type context, HopFrameConfig parentConfig) {
         ContextType = context;
+        ParentConfig = parentConfig;
 
         foreach (var property in ContextType.GetProperties()) {
             if (!property.PropertyType.IsGenericType) continue;

src/HopFrame.Core/Config/HopFrameConfig.cs

@@ -1,4 +1,5 @@
-using Microsoft.EntityFrameworkCore;
+using HopFrame.Core.Events;
+using Microsoft.EntityFrameworkCore;
 
 namespace HopFrame.Core.Config;
 
@@ -7,6 +8,7 @@ public class HopFrameConfig {
     public bool DisplayUserInfo { get; set; } = true;
     public string? BasePolicy { get; set; }
     public string? LoginPageRewrite { get; set; }
+    public List<HopEventHandler> Handlers { get; } = new();
 }
 
 /// <summary>
@@ -38,7 +40,7 @@ public class HopFrameConfigurator(HopFrameConfig config) {
     /// <returns>The configurator used for the DbContext</returns>
     /// <seealso cref="DbContextConfigurator{TDbContext}"/>
     public DbContextConfigurator<TDbContext> AddDbContext<TDbContext>() where TDbContext : DbContext {
-        var context = new DbContextConfig(typeof(TDbContext));
+        var context = new DbContextConfig(typeof(TDbContext), InnerConfig);
         InnerConfig.Contexts.Add(context);
         return new DbContextConfigurator<TDbContext>(context);
     }

src/HopFrame.Core/Config/TableConfig.cs

@@ -2,6 +2,7 @@
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq.Expressions;
 using System.Reflection;
+using HopFrame.Core.Events;
 
 namespace HopFrame.Core.Config;
 
@@ -188,6 +189,36 @@ public class TableConfigurator<TModel>(TableConfig config) {
         InnerConfig.DeletePolicy = policy;
         return this;
     }
+
+    /// <summary>
+    /// Adds an event handler of the provided type
+    /// </summary>
+    /// <param name="type">The type of event that triggers the handler</param>
+    /// <param name="handler">The handler delegate</param>
+    public TableConfigurator<TModel> AddEventHandler(EventType type, Func<TModel, IServiceProvider, Task> handler) {
+        var eventName = EventTypes.ConstructEventName(type, InnerConfig);
+        var handlerStore = new HopEventHandler(eventName, (o, provider) => handler.Invoke((TModel)o, provider));
+        InnerConfig.ContextConfig.ParentConfig.Handlers.Add(handlerStore);
+        
+        return this;
+    }
+    
+    /// <summary>
+    /// Adds an event handler of the provided type
+    /// </summary>
+    /// <param name="type">The type of event that triggers the handler</param>
+    /// <param name="handler">The handler delegate</param>
+    public TableConfigurator<TModel> AddEventHandler(EventType type, Action<TModel, IServiceProvider> handler) {
+        var eventName = EventTypes.ConstructEventName(type, InnerConfig);
+        var handlerStore = new HopEventHandler(eventName, (o, provider) => {
+            handler.Invoke((TModel)o, provider);
+            return Task.CompletedTask;
+        });
+        
+        InnerConfig.ContextConfig.ParentConfig.Handlers.Add(handlerStore);
+        
+        return this;
+    }
     
     internal static PropertyInfo GetPropertyInfo<TSource, TProperty>(Expression<Func<TSource, TProperty>> propertyLambda) {
         if (propertyLambda.Body is not MemberExpression member) {