From 9132f6a27d8f26bfbf333a3d6d36361d1e0a2fa3 Mon Sep 17 00:00:00 2001
From: Alessandro Cosentino <cosenal@gmail.com>
Date: Thu, 16 Aug 2012 01:13:16 -0400
Subject: saves and shows datetime of items

---
 lib/item.php       | 16 +++++++++++++++-
 lib/itemmapper.php | 17 +++++++++--------
 lib/utils.php      | 32 +++++++++++++++++++++++++++++---
 3 files changed, 53 insertions(+), 12 deletions(-)

(limited to 'lib')

diff --git a/lib/item.php b/lib/item.php
index acef41c92..e64eaa044 100644
--- a/lib/item.php
+++ b/lib/item.php
@@ -33,7 +33,8 @@ class Item {
 	private $status;  //a bit-field set with status flags
 	private $id;      //id of the item in the database table
 	private $author;
-
+	private $date; //date is stored in the Unix format
+	
 	public function __construct($url, $title, $guid, $body, $id = null){
 		$this->title = $title;
 		$this->url = $url;
@@ -98,6 +99,10 @@ class Item {
 	public function setStatus($status){
 		$this->status = $status;
 	}
+	
+	/* change the following method with set/get magic methods 
+	 * http://www.php.net/manual/en/language.oop5.overloading.php#object.get
+	 */
 
 	public function getTitle(){
 		return $this->title;
@@ -130,4 +135,13 @@ class Item {
 	public function setAuthor($author){
 		$this->author = $author;
 	}
+
+	public function getDate(){
+		return $this->date;
+	}
+	
+	//TODO: check if the parameter is in the Unix format
+	public function setDate($date){
+		$this->date = $date;
+	}
 }
diff --git a/lib/itemmapper.php b/lib/itemmapper.php
index 95488b14f..dcce2a640 100644
--- a/lib/itemmapper.php
+++ b/lib/itemmapper.php
@@ -37,14 +37,12 @@ class ItemMapper {
 		$url = $row['url'];
 		$title = $row['title'];
 		$guid = $row['guid'];
-		$status = $row['status'];
 		$body = $row['body'];
 		$id = $row['id'];
 		$item = new Item($url, $title, $guid, $body, $id);
-		$item->setStatus($status);
-		$date = $row['date'];
-		$author = $row['author'];
-		$item->setAuthor($author);
+		$item->setStatus($row['status']);
+		$item->setAuthor($row['author']);
+		$item->setDate(Utils::dbtimestampToUnixtime($row['pub_date']));
 		
 		return $item;
 	}
@@ -54,7 +52,7 @@ class ItemMapper {
 	 * @param feedid The id of the feed in the database table.
 	 */
 	public function findAll($feedid){
-		$stmt = \OCP\DB::prepare('SELECT * FROM ' . self::tableName . ' WHERE feed_id = ?');
+		$stmt = \OCP\DB::prepare('SELECT * FROM ' . self::tableName . ' WHERE feed_id = ? ORDER BY pub_date DESC');
 		$result = $stmt->execute(array($feedid));
 	
 		$items = array();
@@ -153,8 +151,8 @@ class ItemMapper {
 
 			$stmt = \OCP\DB::prepare('
 				INSERT INTO ' . self::tableName .
-				'(url, title, body, guid, guid_hash, feed_id, status)
-				VALUES (?, ?, ?, ?, ?, ?, ?)
+				'(url, title, body, guid, guid_hash, pub_date, feed_id, status)
+				VALUES (?, ?, ?, ?, ?, ?, ?, ?)
 				');
 
 			if(empty($title)) {
@@ -167,12 +165,15 @@ class ItemMapper {
 				$body = $l->t('no body');
 			}
 			
+			$pub_date = Utils::unixtimeToDbtimestamp($item->getDate());
+			
 			$params=array(
 				$item->getUrl(),
 				$title,
 				$body,
 				$guid,
 				$guid_hash,
+				$pub_date,
 				$feedid,
 				$status
 			);
diff --git a/lib/utils.php b/lib/utils.php
index 7ad9f1929..1ecc92245 100644
--- a/lib/utils.php
+++ b/lib/utils.php
@@ -17,7 +17,27 @@ namespace OCA\News;
  require_once('news/3rdparty/SimplePie/autoloader.php');
 
 class Utils {
-
+	
+	/**
+	 * @brief Transform a date from UNIX timestamp format to MDB2 timestamp format
+	 * @param dbtimestamp 
+	 * @returns 
+	 */	
+	public static function unixtimeToDbtimestamp($unixtime) {
+		$dt = \DateTime::createFromFormat('U', $unixtime);
+		return $dt->format('Y-m-d H:i:s');
+	}
+	
+	/**
+	 * @brief Transform a date from MDB2 timestamp format to UNIX timestamp format
+	 * @param dbtimestamp 
+	 * @returns 
+	 */
+	public static function dbtimestampToUnixtime($dbtimestamp) {
+		$dt = \DateTime::createFromFormat('Y-m-d H:i:s', $dbtimestamp);
+		return $dt->format('U');
+	}
+	
 	/**
 	 * @brief Fetch a feed from remote
 	 * @param url remote url of the feed
@@ -32,7 +52,7 @@ class Utils {
 			return null;
 		}
 
-	   //I understand this try-catch sucks, but SimplePie gives weird errors sometimes
+	   //temporary try-catch to bypass SimplePie bugs
 	   try {
 		$spfeed->handle_content_type();
 		$title = $spfeed->get_title();
@@ -44,11 +64,17 @@ class Utils {
 				$itemTitle = $spitem->get_title();
 				$itemGUID = $spitem->get_id();
 				$itemBody = $spitem->get_content();
-				$itemAuthor = $spitem->get_author();
 				$item = new Item($itemUrl, $itemTitle, $itemGUID, $itemBody);
+
+				$itemAuthor = $spitem->get_author();
 				if ($itemAuthor !== null) {
 					$item->setAuthor($itemAuthor->get_name());
 				}
+				
+				//date in Item is stored in UNIX timestamp format
+				$itemDate = $spitem->get_date('U');
+				$item->setDate($itemDate);
+				
 				$items[] = $item;
 			}
 		}
-- 
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