From 7b697b7338f98e2339dfe2725aaadb3ee2658896 Mon Sep 17 00:00:00 2001
From: Joni Savolainen <joni@savolainen.io>
Date: Sun, 1 May 2022 13:38:10 +0300
Subject: [PATCH] feat(DependencyInjector): add constructor for constructing
 injector using DependencyAttributes

---
 Core/DependencyInjector.cs | 33 ++++++++++++++++-----------------
 1 file changed, 16 insertions(+), 17 deletions(-)

diff --git a/Core/DependencyInjector.cs b/Core/DependencyInjector.cs
index d0f7c724..824b72d1 100644
--- a/Core/DependencyInjector.cs
+++ b/Core/DependencyInjector.cs
@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using JetBrains.Annotations;
 using UIComponents.Core.Exceptions;
-using UnityEngine;
 
 namespace UIComponents.Core
 {
@@ -36,13 +35,11 @@ public static DependencyInjector GetInjector(Type consumerType)
 
         private static DependencyInjector CreateInjector(Type consumerType)
         {
-            var injector = new DependencyInjector();
-
             var injectAttributes = (DependencyAttribute[])
                 consumerType.GetCustomAttributes(typeof(DependencyAttribute), true);
             
-            injector.PopulateFromDependencyAttributes(injectAttributes);
-            
+            var injector = new DependencyInjector(injectAttributes);
+
             InjectorDictionary.Add(consumerType, injector);
 
             return injector;
@@ -64,6 +61,20 @@ private static object CreateInstance(Type dependencyType)
 
             return instance;
         }
+        
+        public DependencyInjector() {}
+
+        public DependencyInjector(IEnumerable<DependencyAttribute> dependencyAttributes)
+        {
+            foreach (var dependencyAttribute in dependencyAttributes)
+            {
+                var type = dependencyAttribute.DependencyType;
+                var providerType = dependencyAttribute.ProvideType;
+                
+                if (!DependencyDictionary.ContainsKey(type))
+                    DependencyDictionary[type] = CreateInstance(providerType);
+            }
+        }
 
         public void SetDependency<T>([NotNull] T instance) where T : class
         {
@@ -96,17 +107,5 @@ private static object CreateInstance(Type dependencyType)
 
             return true;
         }
-
-        private void PopulateFromDependencyAttributes(IEnumerable<DependencyAttribute> dependencyAttributes)
-        {
-            foreach (var dependencyAttribute in dependencyAttributes)
-            {
-                var type = dependencyAttribute.DependencyType;
-                var providerType = dependencyAttribute.ProvideType;
-                
-                if (!DependencyDictionary.ContainsKey(type))
-                    DependencyDictionary[type] = CreateInstance(providerType);
-            }
-        }
     }
 }
\ No newline at end of file