Added basic placeholder providers for parts.

src/Services/LabelSystem/PlaceholderProviders/GlobalProviders.php

@@ -0,0 +1,107 @@
+<?php
+/**
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ * Copyright (C) 2019 - 2020 Jan Böhmer (https://github.com/jbtronics)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Services\LabelSystem\PlaceholderProviders;
+
+
+use App\Entity\UserSystem\User;
+use IntlDateFormatter;
+use Locale;
+use Symfony\Component\Security\Core\Security;
+
+/**
+ * Provides Placeholders for infos about global infos like Installation name or datetimes.
+ * @package App\Services\LabelSystem\PlaceholderProviders
+ */
+class GlobalProviders implements PlaceholderProviderInterface
+{
+
+    protected $partdb_title;
+    protected $security;
+
+    public function __construct(string $partdb_title, Security $security)
+    {
+        $this->partdb_title = $partdb_title;
+        $this->security = $security;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function replace(string $placeholder, object $label_target, array $options = []): ?string
+    {
+        if ($placeholder === "%%INSTALL_NAME%%") {
+            return $this->partdb_title;
+        }
+
+
+        $user = $this->security->getUser();
+        if ($placeholder === "%%USERNAME%%") {
+            if ($user instanceof User) {
+                return $user->getName();
+            }
+            return 'anonymous';
+        }
+
+        if ($placeholder === "%%USERNAME_FULL%%") {
+            if ($user instanceof User) {
+                return $user->getFullName(true);
+            }
+            return 'anonymous';
+        }
+
+        $now = new \DateTime();
+
+        if ($placeholder === '%%DATETIME%%') {
+            $formatter = IntlDateFormatter::create(
+                Locale::getDefault(),
+                IntlDateFormatter::SHORT,
+                IntlDateFormatter::SHORT,
+                $now->getTimezone()
+            );
+
+            return $formatter->format($now);
+        }
+
+        if ($placeholder === '%%DATE%%') {
+            $formatter = IntlDateFormatter::create(
+                Locale::getDefault(),
+                IntlDateFormatter::SHORT,
+                IntlDateFormatter::NONE,
+                $now->getTimezone()
+            );
+
+            return $formatter->format($now);
+        }
+
+        if ($placeholder === '%%TIME%%') {
+            $formatter = IntlDateFormatter::create(
+                Locale::getDefault(),
+                IntlDateFormatter::NONE,
+                IntlDateFormatter::SHORT,
+                $now->getTimezone()
+            );
+
+            return $formatter->format($now);
+        }
+
+        return null;
+    }
+}