feat(main): Add alert type; add template override support

upgrade/upgrade-1.10.0.php

@@ -0,0 +1,31 @@
+<?php
+
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
+function upgrade_module_1_10_0($module)
+{
+    $columnsToAdd = [
+        'alert_type' => 'VARCHAR(16) NOT NULL DEFAULT \'info\'',
+        'timeout'    => 'INT(11) NOT NULL DEFAULT 0',
+    ];
+
+    foreach ($columnsToAdd as $column => $definition) {
+        $existing = Db::getInstance()->executeS(
+            'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'' . $column . '\''
+        );
+
+        if (!empty($existing)) {
+            continue;
+        }
+
+        if (!Db::getInstance()->execute(
+            'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml` ADD COLUMN `' . $column . '` ' . $definition
+        )) {
+            return false;
+        }
+    }
+
+    return true;
+}

upgrade/upgrade-1.8.0.php

@@ -0,0 +1,20 @@
+<?php
+
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
+function upgrade_module_1_8_0($module)
+{
+    $existing = Db::getInstance()->executeS(
+        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'template_key\''
+    );
+
+    if (!empty($existing)) {
+        return true;
+    }
+
+    return Db::getInstance()->execute(
+        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml` ADD COLUMN `template_key` VARCHAR(64) NOT NULL DEFAULT \'\''
+    );
+}

upgrade/upgrade-1.9.0.php

@@ -0,0 +1,20 @@
+<?php
+
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
+function upgrade_module_1_9_0($module)
+{
+    $existing = Db::getInstance()->executeS(
+        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'template_key\''
+    );
+
+    if (empty($existing)) {
+        return true;
+    }
+
+    return Db::getInstance()->execute(
+        'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml` DROP COLUMN `template_key`'
+    );
+}