flickr integration

1 files changed, 347 insertions, 0 deletions

diff --git a/actions/flickrImportPhotoset.php b/actions/flickrImportPhotoset.php
new file mode 100644
index 000000000..fe4041b2c
--- /dev/null
+++ b/actions/flickrImportPhotoset.php
@@ -0,0 +1,347 @@
+<?php
+/**
+ * Import a whole bunch of photos from flickr
+ */
+
+// Load Elgg engine
+include_once dirname(dirname(dirname(dirname(__FILE__)))) . "/engine/start.php";
+
+require_once( dirname(dirname(__FILE__)) . "/lib/flickr.php" );
+require_once dirname(dirname(__FILE__)) . "/lib/phpFlickr/phpFlickr.php";
+$f = new phpFlickr("26b2abba37182aca62fe0eb2c7782050");
+
+$set_id = get_input( "set_id" );
+$page_pp = get_input( "page" );
+$return_url = get_input( "return_url" );
+$user = get_loggedin_user();
+$flickr_id = get_metadata_byname( $user->guid, "flickr_id" );
+
+if( empty( $flickr_id )) {
+	register_error( "You must enter a username" );
+	forward( $return_url );
+	die; //just in case
+}
+
+// Get the friendly URL of the user's photos
+$photos_url = $f->urls_getUserPhotos( $flickr_id->value );
+$photos = $f->photosets_getPhotos( $set_id, null, null, 10, $page_pp );
+/* TODO:
+* 1. create album if a matching one doesn't exist
+* 2. create metadata for entity so it goes into the new album
+* 3. check for id of photo in image data to make sure we haven't downloaded it already
+*/
+
+$photos_to_upload = array();
+foreach( $photos["photoset"]["photo"] as $photo ) {
+	
+	//check if we already have this image
+	$meta = get_metadata_byname( $user->guid, $photo["id"] );
+	if( $meta->value == 1 ) { //we've downloaded this already
+		register_error( "This image has already been imported" );
+		continue;
+	}
+	//store this so we don't download the same photo multiple times
+	create_metadata( $user->guid, $photo["id"], "1", "text", $user->guid, ACCESS_PUBLIC );
+
+	$photo_info = $f->photos_getInfo( $photo["id"], $photo["secret"] );
+	$tags = array();
+	foreach( $photo_info["tags"]["tag"] as $tag ) {
+		$tags[] = $tag["raw"];
+	}
+	$tags = implode( ", ", $tags );
+	
+	$image_url = $f->buildPhotoURL( $photo );
+	$photos_to_upload[ $photo_info["id"] . ".jpg" ] = array( "url"=> $image_url, "tags" => $tags, "title" => $photo_info["title"], "description" => $photo_info["description"], "flickr_page" => "$photos_url$photo[id]" );
+
+	$body .= "<div class='tidypics_album_images'>";
+	$body .= "$photo_info[title]<br />Views: $photo_info[views]<br />";
+	$body .= "<a href=$photos_url$photo[id]>";
+	$body .= "<img border='0' alt='$photo[title]' ".
+		"src='$image_url' />";
+	$body .= "</a>";
+}
+//	echo "<pre>"; var_dump( $photos_to_upload );; die;
+
+/**
+ * Elgg multi-image uploader action
+* 
+* This will upload up to 10 images at at time to an album
+ */
+
+global $CONFIG;
+include dirname(dirname(__FILE__)) . "/lib/resize.php";
+include dirname(dirname(__FILE__)) . "/lib/exif.php";
+
+// Make sure we're logged in 
+gatekeeper();
+
+// Get common variables
+$access_id = (int) get_input("access_id");
+$container_guid = (int) get_input('container_guid', 0);
+$container_guid = 990; //force it to my test album for now
+
+if (!$container_guid)
+	$container_guid == $_SESSION['user']->getGUID();
+
+$album = get_entity($container_guid);
+
+$maxfilesize = (float) get_plugin_setting('maxfilesize','tidypics'); 
+if (!$maxfilesize)
+	$maxfilesize = 5; // default to 5 MB if not set 
+$maxfilesize = 1024 * 1024 * $maxfilesize; // convert to bytes from MBs
+
+$quota = get_plugin_setting('quota','tidypics');
+$quota = 1024 * 1024 * $quota;
+$image_repo_size_md = get_metadata_byname($album->container_guid, "image_repo_size");
+$image_repo_size = (int)$image_repo_size_md->value;
+
+$image_lib = get_plugin_setting('image_lib', 'tidypics');
+if (!$image_lib)
+	$image_lib = "GD";
+
+/*
+// post limit exceeded
+if (count($_FILES) == 0) {
+	trigger_error('Tidypics warning: user exceeded post limit on image upload', E_USER_WARNING);
+	register_error(elgg_echo('tidypics:exceedpostlimit'));
+	forward(get_input('forward_url', $_SERVER['HTTP_REFERER']));
+}
+*/
+
+/*
+// test to make sure at least 1 image was selected by user
+$num_images = 0;
+foreach($_FILES as $key => $sent_file) {
+	if (!empty($sent_file['name']))
+		$num_images++;
+}
+*/
+if ( count( $photos_to_upload ) == 0 ) {
+	// have user try again
+	register_error(elgg_echo('tidypics:noimages'));
+	forward(get_input('forward_url', $_SERVER['HTTP_REFERER']));
+	die; //just in case
+}
+
+$uploaded_images = array();
+$not_uploaded = array();
+$error_msgs = array();
+
+$img_river_view = get_plugin_setting('img_river_view', 'tidypics');
+
+/*
+$accepted_formats = array(
+							'image/jpeg',
+							'image/png',
+							'image/gif',
+							'image/pjpeg',
+							'image/x-png',
+							);
+
+*/
+//foreach($_FILES as $key => $sent_file) {
+foreach( $photos_to_upload as $name => $photo ) {
+
+/*	
+	// skip empty entries 
+	if (empty($sent_file['name']))
+		continue;
+	
+	$name = $sent_file['name'];
+	$mime = $sent_file['type'];
+
+	if ($sent_file['error']) {
+		array_push($not_uploaded, $sent_file['name']);
+		if ($sent_file['error'] == 1) {
+			trigger_error('Tidypics warning: image exceed server php upload limit', E_USER_WARNING);
+			array_push($error_msgs, elgg_echo('tidypics:image_mem'));
+		}
+		else {
+			array_push($error_msgs, elgg_echo('tidypics:unk_error'));
+		}
+		continue;
+	}
+	
+	//make sure file is an image
+	if (!in_array($mime, $accepted_formats)) {
+		array_push($not_uploaded, $sent_file['name']);
+		array_push($error_msgs, elgg_echo('tidypics:not_image'));
+		continue;
+	}
+
+*/
+/* I'm not going to check filesize here because flickr has already resized it for me 
+	// check quota
+	if ($quota) {
+		if ($image_repo_size + $sent_file['size'] > $quota) {
+			array_push($not_uploaded, $sent_file['name']);
+			array_push($error_msgs, elgg_echo('tidypics:exceed_quota'));
+			continue;
+		}
+	}
+	
+	// make sure file does not exceed memory limit
+	if ($sent_file['size'] > $maxfilesize) {
+		array_push($not_uploaded, $sent_file['name']);
+		array_push($error_msgs, elgg_echo('tidypics:image_mem'));
+		continue;
+	}
+	
+	// make sure the in memory image size does not exceed memory available - GD only
+	$imginfo = getimagesize($sent_file['tmp_name']);
+	$mem_avail = ini_get('memory_limit');
+	$mem_avail = rtrim($mem_avail, 'M');
+	$mem_avail = $mem_avail * 1024 * 1024;
+	if ($image_lib == 'GD') {
+		$mem_required = ceil(5.35 * $imginfo[0] * $imginfo[1]);
+		
+		$mem_used = memory_get_usage();
+			
+		$mem_avail = $mem_avail - $mem_used - 2097152; // 2 MB buffer
+		if ($mem_required > $mem_avail) {
+			array_push($not_uploaded, $sent_file['name']);
+			array_push($error_msgs, elgg_echo('tidypics:image_pixels'));
+			trigger_error('Tidypics warning: image memory size too large for resizing so rejecting', E_USER_WARNING);
+			continue;
+		}
+	} else if ($image_lib == 'ImageMagickPHP') {
+		// haven't been able to determine a limit like there is for GD
+	}
+*/
+	$mime = "image/jpeg"; //not sure how to get this from the file if we aren't posting it
+	
+	//this will save to users folder in /image/ and organize by photo album
+	$prefix = "image/" . $container_guid . "/";
+	$file = new ElggFile();
+	$filestorename = strtolower(time().$name);
+	$file->setFilename($prefix.$filestorename . ".jpg"); //that's all flickr stores so I think this is safe
+	$file->setMimeType($mime);
+	$file->originalfilename = $name;
+	$file->subtype="image";
+	$file->simpletype="image";
+	$file->access_id = $access_id;
+	if ($container_guid) {
+		$file->container_guid = $container_guid;
+	}
+
+	// get the file from flickr and save it locally
+	$filename = $file->getFilenameOnFilestore(); 
+	$destination=fopen($filename,"w");
+	$source=fopen($photo["url"],"r");
+
+	while ($a=fread($source,1024)) fwrite($destination,$a);
+	fclose($source);
+	fclose($destination);
+
+	/*
+	$file->open("write");
+	$file->write();
+	$file->write(get_uploaded_file($key));
+	$file->close();
+	*/	
+	$result = $file->save();
+
+	if (!$result) {
+		array_push($not_uploaded, $sent_file['name']);
+		array_push($error_msgs, elgg_echo('tidypics:save_error'));
+		continue;
+	}
+	
+	//add tags
+	create_metadata( $file->guid, "tags", $photo["tags"], "text", $user->guid, ACCESS_PUBLIC );
+	
+	//add title and description
+	create_object_entity( $file->guid, $photo["title"], $photo["description"] );
+	
+	//get and store the exif data
+	td_get_exif($file);
+	
+	// resize photos to create thumbnails
+	if ($image_lib == 'ImageMagick') { // ImageMagick command line
+		
+		if (tp_create_im_cmdline_thumbnails($file, $prefix, $filestorename) != true) {
+			trigger_error('Tidypics warning: failed to create thumbnails - ImageMagick command line', E_USER_WARNING);
+		}
+		
+	} else if ($image_lib == 'ImageMagickPHP') {  // imagick php extension 
+		
+		if (tp_create_imagick_thumbnails($file, $prefix, $filestorename) != true) {
+			trigger_error('Tidypics warning: failed to create thumbnails - ImageMagick PHP', E_USER_WARNING);
+		}
+	
+	} else { 
+		
+		if (tp_create_gd_thumbnails($file, $prefix, $filestorename) != true) {
+			trigger_error('Tidypics warning: failed to create thumbnails - GD', E_USER_WARNING);
+		}
+		
+	} // end of image library selector
+
+	//keep one file handy so we can add a notice to the river if single image option selected
+	if(!$file_for_river) {
+		$file_for_river = $file;
+	}
+
+	array_push($uploaded_images, $file->guid);
+
+	// update user/group size for checking quota
+	$image_repo_size += $sent_file['size'];
+
+	// successful upload so check if this is a new album and throw river event/notification if so
+	if ($album->new_album == TP_NEW_ALBUM) {
+		$album->new_album = TP_OLD_ALBUM;
+
+		// we throw the notification manually here so users are not told about the new album until there
+		// is at least a few photos in it
+		object_notifications('create', 'object', $album);
+		
+		if (function_exists('add_to_river'))
+			add_to_river('river/object/album/create', 'create', $album->owner_guid, $album->guid);
+	}
+
+	if ($img_river_view == "all") {
+		add_to_river('river/object/image/create', 'create', $file->getObjectOwnerGUID(), $file->getGUID());
+	}
+	unset($file);  // may not be needed but there seems to be a memory leak
+
+} //end of for loop
+			
+if (count($not_uploaded) > 0) {
+	if (count($uploaded_images) > 0)
+		$error = sprintf(elgg_echo("tidypics:partialuploadfailure"), count($not_uploaded), count($not_uploaded) + count($uploaded_images))  . '<br />';
+	else
+		$error = elgg_echo("tidypics:completeuploadfailure") . '<br />';
+
+	$num_failures = count($not_uploaded);
+	for ($i = 0; $i < $num_failures; $i++) {
+		$error .= "{$not_uploaded[$i]}: {$error_msgs[$i]} <br />";
+	}
+	register_error($error);
+	
+	if (count($uploaded_images) == 0)
+		forward(get_input('forward_url', $_SERVER['HTTP_REFERER'])); //upload failed, so forward to previous page
+	else {
+		// some images did upload so we fall through
+	}
+} else {
+		system_message(elgg_echo('tidypics:upl_success'));
+}
+
+if (count($uploaded_images) && $img_river_view == "1") {
+	if (function_exists('add_to_river')) {
+		add_to_river('river/object/image/create', 'create', $file_for_river->getObjectOwnerGUID(), $file_for_river->getGUID());
+	}
+}
+
+// update image repo size
+create_metadata($album->container_guid, "image_repo_size", $image_repo_size, 'integer', $album->container_guid);
+
+// plugins can register to be told when a Tidypics album has had images added
+trigger_elgg_event('upload', 'tp_album', $album);
+
+//forward to multi-image edit page
+
+$url = $CONFIG->wwwroot . 'mod/tidypics/pages/edit_multiple.php?files=' . implode('-', $uploaded_images);
+forward($url); 
+
+?>