refactor: replace custom CRM with Monica fork

app/ExportResources/Account/AddressbookSubscription.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\ExportResources\Account;
+
+use App\Models\User\SyncToken;
+use App\ExportResources\ExportResource;
+use App\ExportResources\User\SyncToken as SyncTokenResource;
+
+class AddressbookSubscription extends ExportResource
+{
+    protected $columns = [
+        'uuid',
+        'created_at',
+        'updated_at',
+    ];
+
+    protected $properties = [
+        'name',
+        'uri',
+        'username',
+        'readonly',
+        'active',
+        'capabilities',
+        'frequency',
+        'last_syncronized_at',
+    ];
+
+    public function data(): ?array
+    {
+        return  [
+            'properties' => [
+                'addressbook' => $this->addressBook->uuid,
+                'sync_token' => $this->syncToken,
+                $this->merge(function () {
+                    $localSyncToken = SyncToken::where('account_id', $this->account_id)->find($this->localSyncToken);
+
+                    return [
+                        'local_sync_token' => new SyncTokenResource($localSyncToken),
+                    ];
+                }),
+            ],
+        ];
+    }
+}