added email subscriptions

app/Http/Controllers/UnsubscribeController.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\EmailSubscriptions;
+use App\Models\SentEmail;
+use Illuminate\Http\Request;
+
+class UnsubscribeController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function destroy($email)
+    {
+        $emailModel = SentEmail::where('id', $email)->first();
+
+        if (!$emailModel) {
+            // Email not found, redirect to home page with a message
+            return redirect()->route('index')->with([
+                'message' => 'The unsubscribe link is invalid or has expired.',
+                'message-title' => 'Invalid Unsubscribe Link',
+                'message-type' => 'warning'
+            ]);
+        }
+
+        // Existing unsubscribe logic
+        $subscriptions = EmailSubscriptions::where('email', $emailModel->recipient)->get();
+
+        if ($subscriptions->isEmpty()) {
+            session()->flash('message', 'You are already unsubscribed.');
+            session()->flash('message-title', 'Already Unsubscribed');
+            session()->flash('message-type', 'info');
+        } else {
+            EmailSubscriptions::where('email', $emailModel->recipient)->delete();
+
+            session()->flash('message', 'You have been successfully unsubscribed.');
+            session()->flash('message-title', 'Unsubscribed');
+            session()->flash('message-type', 'success');
+        }
+
+        return redirect()->route('index');
+    }
+}