From eab8eb71338b810388cbcdcac0c1a99abe44f7fa Mon Sep 17 00:00:00 2001
From: Uwe Steinmann <steinm@debian.org>
Date: Wed, 14 Dec 2022 14:50:44 +0100
Subject: [PATCH] add database table and class to access it for saved views

---
 class.Paperless.php | 153 ++++++++++++++++++++++++++++++++++++++++++++
 paperless.sql       |  12 ++++
 2 files changed, 165 insertions(+)
 create mode 100644 class.Paperless.php
 create mode 100644 paperless.sql

diff --git a/class.Paperless.php b/class.Paperless.php
new file mode 100644
index 0000000..f74b2ba
--- /dev/null
+++ b/class.Paperless.php
@@ -0,0 +1,153 @@
+<?php
+/**
+ * Implementation of a paperless view
+ *
+ * @category   DMS
+ * @package    SeedDMS
+ * @license    GPL2
+ * @author     Uwe Steinmann <uwe@steinmann.cx>
+ * @copyright  Copyright (C) 2023 Uwe Steinmann
+ * @version    Release: @package_version@
+ */
+
+/**
+ * Class to represent a paperless view
+ *
+ * @category   DMS
+ * @package    SeedDMS
+ * @author     Uwe Steinmann <uwe@steinmann.cx>
+ * @copyright  Copyright (C) 2022 Uwe Steinmann
+ * @version    Release: @package_version@
+ */
+class SeedDMS_PaperlessView { /* {{{ */
+	/**
+	 * @var integer unique id of object
+	 */
+	protected $_id;
+
+	/**
+	 * @var object user owning the document link
+	 */
+	protected $_user;
+
+	/**
+	 * @var string view data
+	 */
+	protected $_view;
+
+	/**
+	 * @var object back reference to document management system
+	 */
+	public $_dms;
+
+	function __construct($id, $user, $view) { /* {{{ */
+		$this->_id = $id;
+		$this->_dms = null;
+		$this->_user = $user;
+		$this->_view = $view;
+	} /* }}} */
+
+	protected static function __getInstance($queryStr, $dms) { /* {{{ */
+		$db = $dms->getDB();
+		$resArr = $db->getResultArray($queryStr);
+		if (is_bool($resArr) && $resArr == false)
+			return false;
+		if (count($resArr) != 1)
+			return false;
+		$resArr = $resArr[0];
+
+		if(!$user = $dms->getUser($resArr['userID']))
+			return false;
+
+		$view = new self($resArr["id"], $user, json_decode($resArr["view"], true));
+		$view->setDMS($dms);
+		return $view;
+	} /* }}} */
+
+	public static function getInstance($id, $dms) { /* {{{ */
+		$queryStr = "SELECT * FROM `tblPaperlessView` WHERE `id` = " . (int) $id;
+		return self::__getInstance($queryStr, $dms);
+	} /* }}} */
+
+	protected static function __getAllInstances($queryStr, $dms) { /* {{{ */
+		$db = $dms->getDB();
+		$resArr = $db->getResultArray($queryStr);
+		if (is_bool($resArr) && $resArr == false)
+			return false;
+
+		$views = array();
+		foreach($resArr as $rec) {
+			$user = $dms->getUser($rec['userID']);
+
+			$view = new self($rec["id"], $user, json_decode($rec["view"], true));
+			$view->setDMS($dms);
+			$views[] = $view;
+		}
+		return $views;
+	} /* }}} */
+
+	public static function getAllInstances($user, $dms) { /* {{{ */
+		$db = $dms->getDB();
+		$queryStr = "SELECT * FROM `tblPaperlessView`";
+		if($user) {
+			$queryStr .= " WHERE";
+			$queryStr .= " `userID` = " . (int) $user->getID();
+		}
+		return self::__getAllInstances($queryStr, $dms);
+	} /* }}} */
+
+	/*
+	 * Set dms this object belongs to.
+	 *
+	 * Each object needs a reference to the dms it belongs to. It will be
+	 * set when the object is created.
+	 * The dms has a references to the currently logged in user
+	 * and the database connection.
+	 *
+	 * @param object $dms reference to dms
+	 */
+	public function setDMS($dms) { /* {{{ */
+		$this->_dms = $dms;
+	} /* }}} */
+
+	public function getView() { /* {{{ */
+		$this->_view['id'] = (int) $this->_id;
+		return $this->_view;
+	} /* }}} */
+
+	/*
+	 * Add a new to the database.
+	 *
+	 * @param object $dms reference to dms
+	 */
+	public function save() { /* {{{ */
+		$db = $this->_dms->getDB();
+		if(!$this->_id) {
+			$queryStr = "INSERT INTO `tblPaperlessView` (`userID`, `view`) VALUES (".$this->_user->getID().", ".$db->qstr(json_encode($this->_view)).")";
+			if (!$db->getResult($queryStr)) {
+				return false;
+			}
+			$this->_id = $db->getInsertID();
+		}
+
+    return self::getInstance($this->_id, $this->_dms);
+	} /* }}} */
+
+	/**
+	 * Remove a saved view
+	 *
+	 * @return boolean true on success, otherwise false
+	 */
+	function remove() { /* {{{ */
+		$db = $this->_dms->getDB();
+
+		$queryStr = "DELETE FROM `tblPaperlessView` WHERE `id` = " . $this->_id;
+		if (!$db->getResult($queryStr)) {
+			return false;
+		}
+
+		return true;
+	} /* }}} */
+
+} /* }}} */
+
diff --git a/paperless.sql b/paperless.sql
new file mode 100644
index 0000000..527e508
--- /dev/null
+++ b/paperless.sql
@@ -0,0 +1,12 @@
+START TRANSACTION;
+ 
+CREATE TABLE `tblPaperlessView` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `userID` int(11) NOT NULL DEFAULT '0',
+  `view` text DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `tblDocumentLinks_user` (`userID`),
+  CONSTRAINT `tblPaperlessView_user` FOREIGN KEY (`userID`) REFERENCES `tblUsers` (`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+COMMIT;