Notification daemon works.

You now get notifications when someone you follow makes a post - or when
a user replies to a topic you made.

Project-Unite/Controllers/ForumController.cs

@@ -223,6 +223,8 @@ namespace Project_Unite.Controllers
             post.PostedAt = DateTime.Now;
             db.ForumPosts.Add(post);
             db.SaveChanges();
+            NotificationDaemon.NotifyFollowers(User.Identity.GetUserId(), "New post from " + ACL.UserNameRaw(User.Identity.GetUserId()) + "!", ACL.UserNameRaw(User.Identity.GetUserId()) + " just posted a reply to " + topic.Subject + ".", Url.Action("ViewTopic", new { id = topic.Discriminator }));
+            NotificationDaemon.NotifyUser(User.Identity.GetUserId(), topic.AuthorId, "New post from " + ACL.UserNameRaw(User.Identity.GetUserId()) + "!", ACL.UserNameRaw(User.Identity.GetUserId()) + " just posted a reply to " + topic.Subject + ".", Url.Action("ViewTopic", new { id = topic.Discriminator }));
 
             return RedirectToAction("ViewTopic", new { id = topic.Discriminator });
 
@@ -292,6 +294,7 @@ namespace Project_Unite.Controllers
             db.ForumTopics.Add(topic);
             db.ForumPosts.Add(post);
             db.SaveChanges();
+            NotificationDaemon.NotifyFollowers(User.Identity.GetUserId(), "New topic started by " + ACL.UserNameRaw(User.Identity.GetUserId()) + "!", ACL.UserNameRaw(User.Identity.GetUserId()) + " just started a topic: " + topic.Subject + ".", Url.Action("ViewTopic", new { id = topic.Discriminator }));
 
             return RedirectToAction("ViewTopic", new { id = topic.Discriminator });
 

Project-Unite/Controllers/ProfilesController.cs

@@ -142,7 +142,8 @@ namespace Project_Unite.Controllers
             return RedirectToAction("ViewProfile", new { id = ACL.UserNameRaw(tid) });
         }
 
-
+        [HttpPost]
+        [ValidateAntiForgeryToken]
         public ActionResult PostContent(UserPost model)
         {
             var db = new ApplicationDbContext();
@@ -151,6 +152,8 @@ namespace Project_Unite.Controllers
             model.UserId = User.Identity.GetUserId();
             db.UserPosts.Add(model);
             db.SaveChanges();
+            NotificationDaemon.NotifyFollowers(User.Identity.GetUserId(), "New post from " + ACL.UserNameRaw(User.Identity.GetUserId()) + "!", ACL.UserNameRaw(User.Identity.GetUserId()) + " just posted something on their profile.", Url.Action("ViewProfile", new { id = ACL.UserNameRaw(User.Identity.GetUserId()) }));
+
             return RedirectToAction("ViewProfile", "Profiles", new { id = ACL.UserNameRaw(User.Identity.GetUserId()) });
             
         }

Project-Unite/NotificationDaemon.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using Project_Unite.Models;
+
+namespace Project_Unite
+{
+    public static class NotificationDaemon
+    {
+        public static void NotifyFollowers(string uid, string title, string desc, string url)
+        {
+            var db = new ApplicationDbContext();
+            var user = db.Users.FirstOrDefault(x => x.Id == uid);
+            if (user == null)
+                throw new Exception("Cannot find user with ID " + uid + ".");
+            foreach(var follower in user.Followers)
+            {
+                NotifyUser(uid, follower.Follower, title, desc, url);
+            }
+        }
+
+        public static void NotifyEveryone(string uid, string title, string desc, string url)
+        {
+            var db = new ApplicationDbContext();
+            var user = db.Users.FirstOrDefault(x => x.Id == uid);
+            if (user == null)
+                throw new Exception("Cannot find user with ID " + uid + ".");
+            foreach (var usr in db.Users.Where(x=>x.Id!=uid).ToArray())
+            {
+                NotifyUser(uid, usr.Id, title, desc, url);
+            }
+        }
+
+        public static void NotifyUser(string uid, string target, string title, string desc, string url)
+        {
+            var db = new ApplicationDbContext();
+            var user = db.Users.FirstOrDefault(x => x.Id == uid);
+            if (user == null)
+                throw new Exception("Cannot find user with ID " + target + ".");
+            var note = new Notification
+            {
+                Id = Guid.NewGuid().ToString(),
+                UserId = target,
+                Title = title,
+                ActionUrl = url,
+                Description = desc,
+                AvatarUrl = user.AvatarUrl
+            };
+            db.Notifications.Add(note);
+
+            db.SaveChanges();
+        }
+
+
+    }
+}

Project-Unite/Project-Unite.csproj

@@ -411,6 +411,7 @@
     <Compile Include="Models\ManageViewModels.cs" />
     <Compile Include="Models\Notification.cs" />
     <Compile Include="Models\Role.cs" />
+    <Compile Include="NotificationDaemon.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Startup.cs" />
   </ItemGroup>