move image functions to the image class

git-svn-id: file:///home/shish/svn/shimmie2/trunk@1007 7f39781d-f577-437e-ae19-be835c7a54ca

contrib/featured/main.php

@@ -34,7 +34,7 @@ class Featured implements Extension {
 			global $config, $database;
 			$fid = $config->get_int("featured_id");
 			if($fid > 0) {
-				$image = $database->get_image($fid);
+				$image = Image::by_id($config, $database, $fid);
 				if(!is_null($image)) {
 					$this->theme->display_featured($event->page, $image);
 				}

contrib/report_image/main.php

@@ -135,14 +135,14 @@ class ReportImage implements Extension {
 		
 		$reports = array();
 		foreach($all_reports as $report) {
-			global $database;
+			global $database, $config;
 			$image_id = int_escape($report['image_id']);
-			$image = $database->get_image($image_id);
+			$image = Image::by_id($config, $database, $image_id);
 			if(is_null($image)) {
 				send_event(new RemoveReportedImageEvent($report['id']));
 				continue;
 			}
-			$report['image'] = $database->get_image($image_id);
+			$report['image'] = $image;
 			$reports[] = $report;
 		}
 

core/image.class.php

@@ -5,6 +5,9 @@
  * sound file, or any other supported upload type.
  */
 class Image {
+	var $config;
+	var $database;
+
 	var $id = null;
 	var $height, $width;
 	var $hash, $filesize;
@@ -14,6 +17,12 @@ class Image {
 	var $source;
 
 	public function Image($row=null) {
+		global $config;
+		global $database;
+
+		$this->config = $config;
+		$this->database = $database;
+
 		if(!is_null($row)) {
 			foreach($row as $name => $value) {
 				// FIXME: some databases use table.name rather than name
@@ -22,16 +31,28 @@ class Image {
 		}
 	}
 
+	public static function by_id(Config $config, Database $database, $id) {
+		assert(is_numeric($id));
+		$image = null;
+		$row = $this->database->get_row("{$this->get_images} WHERE images.id=?", array($id));
+		return ($row ? new Image($row) : null);
+	}
+	
+	public function delete() {
+		$this->database->execute("DELETE FROM images WHERE id=?", array($this->id));
+		
+		unlink($this->get_image_filename());
+		unlink($this->get_thumb_filename());
+	}
+
 	public function get_owner() {
-		global $database;
-		return $database->get_user_by_id($this->owner_id);
+		return User::by_id($this->config, $this->database, $this->owner_id);
 	}
 
 	public function get_tag_array() {
 		if(!isset($this->tag_array)) {
-			global $database;
 			$this->tag_array = Array();
-			$row = $database->Execute("SELECT tag FROM image_tags JOIN tags ON image_tags.tag_id = tags.id WHERE image_id=? ORDER BY tag", array($this->id));
+			$row = $this->database->Execute("SELECT tag FROM image_tags JOIN tags ON image_tags.tag_id = tags.id WHERE image_id=? ORDER BY tag", array($this->id));
 			while(!$row->EOF) {
 				$this->tag_array[] = $row->fields['tag'];
 				$row->MoveNext();
@@ -45,18 +66,15 @@ class Image {
 	}
 
 	public function get_image_link() {
-		global $config;
-		return $this->parse_link_template($config->get_string('image_ilink'));
+		return $this->parse_link_template($this->config->get_string('image_ilink'));
 	}
 
 	public function get_short_link() {
-		global $config;
-		return $this->parse_link_template($config->get_string('image_slink'));
+		return $this->parse_link_template($this->config->get_string('image_slink'));
 	}
 
 	public function get_thumb_link() {
-		global $config;
-		return $this->parse_link_template($config->get_string('image_tlink'));
+		return $this->parse_link_template($this->config->get_string('image_tlink'));
 	}
 
 	public function get_tooltip() {
@@ -65,7 +83,6 @@ class Image {
 	}
 
 	public function get_image_filename() {
-		global $config;
 		$hash = $this->hash;
 		$ab = substr($hash, 0, 2);
 		$ext = $this->ext;
@@ -73,7 +90,6 @@ class Image {
 	}
 
 	public function get_thumb_filename() {
-		global $config;
 		$hash = $this->hash;
 		$ab = substr($hash, 0, 2);
 		return "thumbs/$ab/$hash";
@@ -96,8 +112,6 @@ class Image {
 	}
 
 	public function parse_link_template($tmpl, $_escape="url_escape") {
-		global $config;
-
 		// don't bother hitting the database if it won't be used...
 		$safe_tags = "";
 		if(strpos($tmpl, '$tags') !== false) { // * stabs dynamically typed languages with a rusty spoon *
@@ -106,7 +120,7 @@ class Image {
 					"", $this->get_tag_list());
 		}
 
-		$base_href = $config->get_string('base_href');
+		$base_href = $this->config->get_string('base_href');
 		$fname = $this->get_filename();
 		$base_fname = strpos($fname, '.') ? substr($fname, 0, strrpos($fname, '.')) : $fname;
 

ext/admin/main.php

@@ -25,8 +25,9 @@ class AdminPage implements Extension {
 				if($event->get_arg(0) == "delete_image") {
 					// FIXME: missing lots of else {complain}
 					if(isset($_POST['image_id'])) {
+						global $config;
 						global $database;
-						$image = $database->get_image($_POST['image_id']);
+						$image = Image::by_id($config, $database, $_POST['image_id']);
 						if($image) {
 							send_event(new ImageDeletionEvent($image));
 							$event->page->set_mode("redirect");

ext/comment/main.php

@@ -189,6 +189,7 @@ class CommentList implements Extension {
 // page building {{{
 	private function build_page($current_page) {
 		global $page;
+		global $config;
 		global $database;
 
 		if(is_null($current_page) || $current_page <= 0) {
@@ -214,7 +215,7 @@ class CommentList implements Extension {
 
 		$n = 10;
 		while(!$result->EOF) {
-			$image = $database->get_image($result->fields["image_id"]);
+			$image = Image::by_id($config, $database, $result->fields["image_id"]);
 			$comments = $this->get_comments($image->id);
 			$this->theme->add_comment_list($page, $image, $comments, $n, $this->can_comment());
 			$n += 1;
@@ -331,7 +332,7 @@ class CommentList implements Extension {
 		if(!$config->get_bool('comment_anon') && $user->is_anonymous()) {
 			$event->veto("Anonymous posting has been disabled");
 		}
-		else if(is_null($database->get_image($image_id))) {
+		else if(is_null(Image::by_id($config, $database, $image_id))) {
 			$event->veto("The image does not exist");
 		}
 		else if(trim($comment) == "") {

ext/image/main.php

@@ -40,7 +40,7 @@ class ImageIO implements Extension {
 		}
 
 		if($event instanceof ImageDeletionEvent) {
-			$this->remove_image($event->image);
+			$event->image->delete();
 		}
 		
 		if($event instanceof SetupBuildingEvent) {
@@ -128,8 +128,9 @@ class ImageIO implements Extension {
 // }}}
 // fetch image {{{
 	private function send_file($image_id, $type) {
+		global $config;
 		global $database;
-		$image = $database->get_image($image_id);
+		$image = Image::by_id($config, $database, $image_id);
 
 		global $page;
 		if(!is_null($image)) {
@@ -171,15 +172,6 @@ class ImageIO implements Extension {
 		}
 	}
 // }}}
-// delete image {{{
-	private function remove_image($image) {
-		global $database;
-		$database->remove_image($image->id);
-		
-		unlink($image->get_image_filename());
-		unlink($image->get_thumb_filename());
-	}
-// }}}
 }
 add_event_listener(new ImageIO());
 ?>