Add bannerhash column to Contacts table to set the current banner id (and prevent refreshing)

database/migrations/20221114210820_add_banner_hash_to_contacts_table.php

@@ -0,0 +1,21 @@
+<?php
+
+use Movim\Migration;
+use Illuminate\Database\Schema\Blueprint;
+
+class AddBannerHashToContactsTable extends Migration
+{
+    public function up()
+    {
+        $this->schema->table('contacts', function (Blueprint $table) {
+            $table->string('bannerhash', 128)->nullable();
+        });
+    }
+
+    public function down()
+    {
+        $this->schema->table('contacts', function (Blueprint $table) {
+            $table->dropColumn('bannerhash');
+        });
+    }
+}

lib/moxl/src/Xec/Payload/BannerMetadata.php

@@ -10,13 +10,22 @@ class BannerMetadata extends Payload
     {
         $jid = baseJid((string)$parent->attributes()->from);
 
+        $c = \App\Contact::firstOrNew(['id' => $jid]);
+
         if (isset($stanza->items->item->metadata->info)
          && isset($stanza->items->item->metadata->info->attributes()->url)) {
-            $p = new Image;
+            $info = $stanza->items->item->metadata->info->attributes();
+
+            if ($info->id != $c->bannerhash) {
+                $c->bannerhash = $info->id;
+                $c->save();
+
+                $p = new Image;
 
-            if ($p->fromURL((string)$stanza->items->item->metadata->info->attributes()->url)) {
-                $p->setKey($jid . '_banner');
-                $p->save();
+                if ($p->fromURL((string)$info->url)) {
+                    $p->setKey($jid . '_banner');
+                    $p->save();
+                }
             }
         }
     }