Various updates

api/src/Repository/State/Mailbox.php

@@ -28,6 +28,23 @@ class Mailbox extends Repository
         return $this;
     }
 
+    public function install(): void
+    {
+        $query = "
+CREATE TABLE {$this->getTable()} (
+    `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+    `mailbox_id` INT UNSIGNED NOT NULL,
+    `date_time` DATETIME NOT NULL,
+    `count` INT UNSIGNED NOT NULL,
+    `uids` TEXT NOT NULL,
+    PRIMARY KEY (`id`),
+    FOREIGN KEY `fk_mailboxes_{$this->getTable()}` (`mailbox_id`)
+        REFERENCES `mailboxes` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
+)
+";
+        $this->getConnection()->query($query);
+    }
+
     protected function fieldsForUpdate(): array
     {
         return $this->fieldsForInsert();
@@ -99,4 +116,4 @@ class Mailbox extends Repository
         $query = "SELECT * FROM `{$this->getTable()}` WHERE `mailbox_id` = ? AND `date_time` = ?";
         return $this->fetchOne($query, [$mailbox_id, $date_time]);
     }
-}
+}