My solution

.env.example

@@ -1,6 +1,6 @@
 APP_NAME=Laravel
 APP_ENV=local
-APP_KEY=
+APP_KEY=base64:FT581GI+XXyBTbxZprqEJ0VD9tbMxUx5LCiOwAs8050=
 APP_DEBUG=true
 APP_URL=http://localhost
 

app/Http/Controllers/ProjectController.php

@@ -26,6 +26,9 @@ public function mass_update(Request $request)
         //   where name = $request->old_name
 
         // Insert Eloquent statement below
+        Project::where('name', $request->old_name)->update([
+            'name' => $request->new_name
+        ]);
 
         return redirect('/')->with('success', 'Projects updated');
     }
@@ -35,7 +38,7 @@ public function destroy($projectId)
         Project::destroy($projectId);
 
         // TASK: change this Eloquent statement to include the soft-deletes records
-        $projects = Project::all();
+        $projects = Project::withTrashed()->all();
 
         return view('projects.index', compact('projects'));
     }
@@ -50,5 +53,4 @@ public function store_with_stats(Request $request)
 
         return redirect('/')->with('success', 'Project created');
     }
-
 }

app/Http/Controllers/UserController.php

@@ -15,14 +15,18 @@ public function index()
         //   order by created_at desc
         //   limit 3
 
-        $users = User::all(); // replace this with Eloquent statement
+        $users = User::query()
+            ->where('email_verified_at', '!=', null)
+            ->orderBy('created_at', 'desc')
+            ->limit(3)
+            ->get();
 
         return view('users.index', compact('users'));
     }
 
     public function show($userId)
     {
-        $user = NULL; // TASK: find user by $userId or show "404 not found" page
+        $user = User::findOrFail($userId); // TASK: find user by $userId or show "404 not found" page
 
         return view('users.show', compact('user'));
     }
@@ -31,7 +35,16 @@ public function check_create($name, $email)
     {
         // TASK: find a user by $name and $email
         //   if not found, create a user with $name, $email and random password
-        $user = NULL;
+        $user = User::query()
+            ->where('email', $email)
+            ->where('name', $name)
+            ->firstOrCreate(
+                [
+                    'email' => $email,
+                    'name' => $name,
+                    'password' => 'ewa'
+                ]
+            );
 
         return view('users.show', compact('user'));
     }
@@ -40,7 +53,13 @@ public function check_update($name, $email)
     {
         // TASK: find a user by $name and update it with $email
         //   if not found, create a user with $name, $email and random password
-        $user = NULL; // updated or created user
+        $user = User::query()
+            ->where('name', $name)
+            ->updateOrCreate([
+                'name' => $name,
+                'email' => $email,
+                'password' => 'ewa'
+            ]); // updated or created user
 
         return view('users.show', compact('user'));
     }
@@ -51,7 +70,7 @@ public function destroy(Request $request)
         // SQL: delete from users where id in ($request->users)
         // $request->users is an array of IDs, ex. [1, 2, 3]
 
-        // Insert Eloquent statement here
+        User::whereIn('id', $request->users)->delete();
 
         return redirect('/')->with('success', 'Users deleted');
     }
@@ -64,5 +83,4 @@ public function only_active()
 
         return view('users.index', compact('users'));
     }
-
 }

app/Models/Morningnews.php

@@ -9,5 +9,6 @@ class Morningnews extends Model
 {
     use HasFactory;
 
+    protected $table = 'morning_news';
     protected $fillable = ['title', 'news_text'];
 }

app/Models/Project.php

@@ -2,11 +2,16 @@
 
 namespace App\Models;
 
+use App\Observers\ProjectObserver;
+use Illuminate\Database\Eloquent\Attributes\ObservedBy;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;
 
+#[ObservedBy([ProjectObserver::class])]
 class Project extends Model
 {
     use HasFactory, SoftDeletes;
+
+    protected $fillable = ['name'];
 }

app/Models/User.php

@@ -3,6 +3,7 @@
 namespace App\Models;
 
 use Illuminate\Contracts\Auth\MustVerifyEmail;
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
@@ -41,4 +42,9 @@ class User extends Authenticatable
     protected $casts = [
         'email_verified_at' => 'datetime',
     ];
+
+    public function scopeActive(Builder $query)
+    {
+        $query->where('email_verified_at', '!=', null);
+    }
 }

app/Observers/ProjectObserver.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Observers;
+
+use App\Models\Project;
+use App\Models\Stat;
+
+class ProjectObserver
+{
+    /**
+     * Handle the Project "created" event.
+     */
+    public function created(Project $project): void
+    {
+        $stat = Stat::first();
+        $stat->projects_count += 1;
+        $stat->save();
+    }
+
+    /**
+     * Handle the Project "updated" event.
+     */
+    public function updated(Project $project): void {}
+
+    /**
+     * Handle the Project "deleted" event.
+     */
+    public function deleted(Project $project): void
+    {
+        //
+    }
+
+    /**
+     * Handle the Project "restored" event.
+     */
+    public function restored(Project $project): void
+    {
+        //
+    }
+
+    /**
+     * Handle the Project "force deleted" event.
+     */
+    public function forceDeleted(Project $project): void
+    {
+        //
+    }
+}