src/Action.Tests/ContactChangeTest.cs

+using Coscine.Action;
+using Coscine.Action.EventArgs;
+using Coscine.Configuration;
+using Coscine.Database.ReturnObjects;
+using NUnit.Framework;
+using System;
+
+namespace Action.Tests
+{
+    class ContactChangeTest
+    {
+        //[Test]
+        //public void ContactChangingTest() 
+        //{
+        //    IConfiguration configuration = new ConsulConfiguration();
+        //    var emitter = new Emitter(configuration);
+        //    ContactChangeObject contactChangeObject = new ContactChangeObject(
+        //        Guid.Parse("6B57E303-1237-4D8A-9D76-579879AB3F86"),
+        //        Guid.Parse("1AE5A3CF-2977-4458-82A7-073321EBAFED"),
+        //        "Hristov@itc.rwth-aachen.de",
+        //        null,
+        //        Guid.Parse("0F114774-6D34-4774-87D3-6AA3766677EC"));
+        //    ContactChangeEventArgs contactChangeEventArgs = new ContactChangeEventArgs(configuration)
+        //    {
+        //        ContactInformation = contactChangeObject
+        //    };
+        //    emitter.EmitContactChange(contactChangeEventArgs);
+        //}
+    }
+}

src/Action/Action.csproj

@@ -4,7 +4,7 @@
 		<RootNamespace>Coscine.Action</RootNamespace>
 		<AssemblyName>Coscine.Action</AssemblyName>
 		<TargetFramework>net5.0</TargetFramework>
-		<Version>2.0.0</Version>
+		<Version>2.1.0</Version>
 	</PropertyGroup>
 	<PropertyGroup>
 		<Authors>RWTH Aachen University</Authors>

src/Action/Emitter.cs

@@ -15,6 +15,7 @@ namespace Coscine.Action
         private readonly List<IResourceAction> resourceActions = new List<IResourceAction>();
         private readonly List<IPIDAction> pidActions = new List<IPIDAction>();
         private readonly List<IAdminAction> adminActions = new List<IAdminAction>();
+        private readonly List<IContactChangeAction> contactChangeActions = new List<IContactChangeAction>();
 
         public IConfiguration Configuration { get; }
 
@@ -34,6 +35,9 @@ namespace Coscine.Action
             var ua = InstantiateAllImplementations<IUserAction>(assembly);
             userActions.AddRange(ua);
 
+            var ca = InstantiateAllImplementations<IContactChangeAction>(assembly);
+            contactChangeActions.AddRange(ca);
+
             var ra = InstantiateAllImplementations<IResourceAction>(assembly);
             resourceActions.AddRange(ra);
 
@@ -86,6 +90,14 @@ namespace Coscine.Action
             }
         }
 
+        public void EmitContactChange(ContactChangeEventArgs args)
+        {
+            foreach (var a in contactChangeActions)
+            {
+                a.OnContactChange(args);
+            }
+        }
+
         public void EmitResourceCreate(ResourceEventArgs args)
         {
             foreach (var a in resourceActions)

src/Action/EventArgs/ContactChangeEventArgs.cs

+using Coscine.Configuration;
+using Coscine.Database.DataModel;
+using Coscine.Database.ReturnObjects;
+using Newtonsoft.Json.Linq;
+
+namespace Coscine.Action.EventArgs
+{
+    public class ContactChangeEventArgs : ActionEventArgs
+    {
+
+        public IConfiguration Configuration { get; set; }
+        public ContactChangeObject ContactInformation { get; set; }
+
+        public ContactChangeEventArgs(IConfiguration configuration, object[] args) : base(args)
+        {
+            Configuration = configuration;
+        }
+
+        public ContactChangeEventArgs(IConfiguration configuration) : this(configuration, new object[0])
+        {
+        }
+    }
+}

src/Action/IContactChangeAction.cs

+using Coscine.Action.EventArgs;
+
+namespace Coscine.Action
+{
+    public interface IContactChangeAction : IAction
+    {
+        void OnContactChange(ContactChangeEventArgs contactChangeEventArgs);
+    }
+}

src/Action/Implementations/ContactChange/NotificationAction.cs

+using Coscine.Action.EventArgs;
+using Coscine.Action.Utils;
+using Coscine.Database.Models;
+using Newtonsoft.Json.Linq;
+
+namespace Coscine.Action.Implementations.ContactChange
+{
+    public class NotificationAction : IContactChangeAction
+    {
+        public int Priority { get { return 1; } }
+        public bool Enabled { get { return true; } }
+
+        public void OnContactChange(ContactChangeEventArgs contactChangeEventArgs)
+        {
+            if (!contactChangeEventArgs.SilentMode)
+            {
+                var baseURL = $"{contactChangeEventArgs.Configuration.GetStringAndWait("coscine/local/api/additional/url")}";
+                var completeURL = $"{baseURL}/coscine/apps/tokenconfirmation/?token={contactChangeEventArgs.ContactInformation.ConfirmationToken}";
+                var args = new JObject()
+                {
+                    ["Args"] = new JObject()
+                    {
+                        ["placeholder"] = new JObject()
+                        {
+                            ["confirmation_link"] = completeURL
+                        }
+                    }
+                };
+                var user = new UserModel().GetById(contactChangeEventArgs.ContactInformation.UserId);
+                user.EmailAddress = contactChangeEventArgs.ContactInformation.NewEmail;
+                string projectID = null;
+                string action = "user_email_changed";
+
+                NotificationBusUtil.SendAsync(contactChangeEventArgs.Configuration, action, NotificationBusUtil.GetUserList(user), projectID, args);
+            }
+        }
+    }
+}