1 files changed, 115 insertions, 0 deletions
diff --git a/lib/Service/ShareService.php b/lib/Service/ShareService.php
new file mode 100644
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+++ b/lib/Service/ShareService.php
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+<?php
+/**
+ * Nextcloud - News
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author    Marco Nassabain <marco.nassabain@hotmail.com>
+ */
+
+namespace OCA\News\Service;
+
+use \OCA\News\Db\Item;
+use \OCA\News\Db\Feed;
+
+use \Psr\Log\LoggerInterface;
+
+/**
+ * Class ImportService
+ *
+ * @package OCA\News\Service
+ */
+class ShareService
+{
+    /**
+     * Items service.
+     *
+     * @var ItemServiceV2
+     */
+    protected $itemService;
+
+    /**
+     * Feeds service.
+     *
+     * @var FeedServiceV2
+     */
+    protected $feedService;
+    
+    /**
+     * @var LoggerInterface
+     */
+    protected $logger;
+
+    /**
+     * ShareService constructor
+     *
+     * @param FeedServiceV2   $feedService Service for feeds
+     * @param ItemServiceV2   $itemService Service to manage items
+     * @param LoggerInterface $logger      Logger
+     */
+    public function __construct(
+        FeedServiceV2 $feedService,
+        ItemServiceV2 $itemService,
+        LoggerInterface $logger
+    ) {
+        $this->itemService = $itemService;
+        $this->feedService = $feedService;
+        $this->logger      = $logger;
+    }
+
+    /**
+     * Share an item with a user
+     *
+     * @param string $userId      ID of user sharing the item
+     * @param int    $id          Item ID
+     * @param string $shareWithId ID of user to share with
+     *
+     * Sharing by copying - the item is duplicated, and the 'sharedBy'
+     * field is filled accordingly.
+     * The item is then placed in a dummy feed reserved for items
+     * shared with the user
+     *
+     * @return Item
+     * @throws ServiceNotFoundException|ServiceConflictException
+     */
+    public function shareItemWithUser(string $userId, int $id, string $shareRecipientId)
+    {
+        // find item to share
+        try {
+            $item = $this->itemService->find($userId, $itemId);
+        } catch (DoesNotExistException $ex) {
+            throw ServiceNotFoundException::from($ex);
+        }
+
+        // duplicate the item
+        $sharedItem = clone $item;
+
+        // initialize fields
+        $sharedItem->setUnread(true);
+        $sharedItem->setStarred(false);
+        $sharedItem->setSharedBy($userId);
+
+        // get 'shared with me' dummy feed
+        // TODO: move to feedService->createSharedWithMeFeed() ?
+        $feedUrl = 'http://nextcloud/sharedwithme';
+        $feed = $this->feedService->findByUrl($shareRecipientId, $feedUrl);
+        if (is_null($feed)) {
+            $feed = new Feed();
+            $feed->setUserId($shareRecipientId)
+                 ->setUrlHash(md5($feedUrl))
+                 ->setLink($feedUrl)
+                 ->setUrl($feedUrl)
+                 ->setTitle('Shared with me')
+                 ->setAdded(time())
+                 ->setFolderId(null)
+                 ->setPreventUpdate(true);
+
+            $feed = $this->feedService->insert($feed);
+        }
+
+        $sharedItem->setFeedId($feed->getId());
+
+        return $this->itemService->insertOrUpdate($sharedItem);
+    }
+}