1 files changed, 365 insertions, 0 deletions
diff --git a/mod/lightpics/lib/tidypics.php b/mod/lightpics/lib/tidypics.php
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index 000000000..1419a260a
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+++ b/mod/lightpics/lib/tidypics.php
@@ -0,0 +1,365 @@
+<?php
+/**
+ * Elgg tidypics library of common functions
+ *
+ * @package TidypicsCommon
+ */
+
+/**
+ * Get images for display on front page
+ *
+ * @param int number of images
+ * @param int (optional) guid of owner
+ * @return string of html for display
+ *
+ * To use with the custom index plugin, use something like this:
+	
+ if (is_plugin_enabled('tidypics')) {
+ ?>
+ <!-- display latest photos -->
+ <div class="index_box">
+	<h2><a href="<?php echo $vars['url']; ?>pg/photos/world/"><?php echo elgg_echo("tidypics:mostrecent"); ?></a></h2>
+	<div class="contentWrapper">
+ <?php
+ echo tp_get_latest_photos(5);
+ ?>
+	</div>
+ </div>
+ <?php
+ }
+ ?>
+
+ * Good luck
+ */
+function tp_get_latest_photos($num_images, $owner_guid = 0, $context = 'front') {
+	$prev_context = get_context();
+	set_context($context);
+	$image_html = elgg_list_entities(array(
+		'type' => 'object',
+		'subtype' => 'image',
+		'owner_guid' => $owner_guid,
+		'limit' => $num_images,
+		'full_view' => false,
+		'pagination' => false,
+	));
+	set_context($prev_context);
+	return $image_html;
+}
+
+
+/**
+ * Get image directory path
+ *
+ * Each album gets a subdirectory based on its container id
+ *
+ * @return string	path to image directory
+ */
+function tp_get_img_dir() {
+	$file = new ElggFile();
+    $file->setFilename('image/');
+	return $file->getFilenameOnFilestore();
+}
+
+/**
+ * Prepare vars for a form, pulling from an entity or sticky forms.
+ * 
+ * @param type $entity
+ * @return type
+ */
+function tidypics_prepare_form_vars($entity = null) {
+	// input names => defaults
+	$values = array(
+		'title' => '',
+		'description' => '',
+		'access_id' => ACCESS_DEFAULT,
+		'tags' => '',
+		'container_guid' => elgg_get_page_owner_guid(),
+		'guid' => null,
+		'entity' => $entity,
+	);
+
+	if ($entity) {
+		foreach (array_keys($values) as $field) {
+			if (isset($entity->$field)) {
+				$values[$field] = $entity->$field;
+			}
+		}
+	}
+
+	if (elgg_is_sticky_form('tidypics')) {
+		$sticky_values = elgg_get_sticky_values('tidypics');
+		foreach ($sticky_values as $key => $value) {
+			$values[$key] = $value;
+		}
+	}
+
+	elgg_clear_sticky_form('tidypics');
+
+	return $values;
+}
+
+/**
+ * Returns available image libraries.
+ * 
+ * @return string
+ */
+function tidypics_get_image_libraries() {
+	$options = array();
+	if (extension_loaded('gd')) {
+		$options['GD'] = 'GD';
+	}
+
+	if (extension_loaded('imagick')) {
+		$options['ImageMagickPHP'] = 'imagick PHP extension';
+	}
+
+	$disablefunc = explode(',', ini_get('disable_functions'));
+	if (is_callable('exec') && !in_array('exec', $disablefunc)) {
+		$options['ImageMagick'] = 'ImageMagick executable';
+	}
+
+	return $options;
+}
+
+/**
+ * Are there upgrade scripts to be run?
+ *
+ * @return bool 
+ */
+function tidypics_is_upgrade_available() {
+	// sets $version based on code
+	require_once elgg_get_plugins_path() . "lightpics/version.php";
+	return true;
+
+	$local_version = elgg_get_plugin_setting('version', 'tidypics');
+	if ($local_version === false) {
+		// no version set so either new install or really old one
+		if (!get_subtype_class('object', 'image') || !get_subtype_class('object', 'album')) {
+			$local_version = 0;
+		} else {
+			// set initial version for new install
+			elgg_set_plugin_setting('version', $version, 'tidypics');
+			$local_version = $version;
+		}
+	} elseif ($local_version === '1.62') {
+		// special work around to handle old upgrade system
+		$local_version = 2010010101;
+		elgg_set_plugin_setting('version', $local_version, 'tidypics');
+	}
+
+	if ($local_version == $version) {
+		return false;
+	} else {
+		return true;
+	}
+}
+
+/**
+ * This lists the photos in an album as sorted by metadata
+ *
+ * @todo this only supports a single album. The only case for use a
+ * procedural function like this instead of TidypicsAlbum::viewImgaes() is to
+ * fetch images across albums as a helper to elgg_get_entities().
+ * This should function be deprecated or fixed to work across albums.
+ *
+ * @param array $options
+ * @return string
+ */
+function tidypics_list_photos(array $options = array()) {
+	global $autofeed;
+	$autofeed = true;
+
+	$defaults = array(
+		'offset' => (int) max(get_input('offset', 0), 0),
+		'limit' => (int) max(get_input('limit', 10), 0),
+		'full_view' => true,
+		'list_type_toggle' => false,
+		'pagination' => true,
+	);
+
+	$options = array_merge($defaults, $options);
+
+	$options['count'] = true;
+	$count = elgg_get_entities($options);
+
+	$album = get_entity($options['container_guid']);
+	if ($album) {
+		$guids = $album->getImageList();
+		// need to pass all the guids and handle the limit / offset in sql
+		// to avoid problems with the navigation
+		//$guids = array_slice($guids, $options['offset'], $options['limit']);
+		$options['guids'] = $guids;
+		unset($options['container_guid']);
+	}
+	$options['count'] = false;
+	$entities = elgg_get_entities($options);
+
+	$keys = array();
+	foreach ($entities as $entity) {
+		$keys[] = $entity->guid;
+	}
+	
+	$entities = array_combine($keys, $entities);
+
+	$sorted_entities = array();
+	foreach ($guids as $guid) {
+		if (isset($entities[$guid])) {
+			$sorted_entities[] = $entities[$guid];
+		}
+	}
+
+	// for this function count means the total number of entities
+	// and is required for pagination
+	$options['count'] = $count;
+
+	return elgg_view_entity_list($sorted_entities, $options);
+}
+
+/**
+ * Returns just a guid from a database $row. Used in elgg_get_entities()'s callback.
+ *
+ * @param stdClass $row
+ * @return type
+ */
+function tp_guid_callback($row) {
+	return ($row->guid) ? $row->guid : false;
+}
+
+
+/*********************************************************************
+ * the functions below replace broken core functions or add functions 
+ * that could/should exist in the core
+ */
+
+function tp_view_entity_list($entities, $count, $offset, $limit, $fullview = true, $viewtypetoggle = false, $pagination = true) {
+	$context = get_context();
+
+	$html = elgg_view('tidypics/gallery',array(
+			'entities' => $entities,
+			'count' => $count,
+			'offset' => $offset,
+			'limit' => $limit,
+			'baseurl' => $_SERVER['REQUEST_URI'],
+			'fullview' => $fullview,
+			'context' => $context,
+			'viewtypetoggle' => $viewtypetoggle,
+			'viewtype' => get_input('search_viewtype','list'),
+			'pagination' => $pagination
+	));
+
+	return $html;
+}
+
+function tp_get_entities_from_annotations_calculate_x($sum = "sum", $entity_type = "", $entity_subtype = "", $name = "", $mdname = '', $mdvalue = '', $owner_guid = 0, $limit = 10, $offset = 0, $orderdir = 'desc', $count = false) {
+	global $CONFIG;
+
+	$sum = sanitise_string($sum);
+	$entity_type = sanitise_string($entity_type);
+	$entity_subtype = get_subtype_id($entity_type, $entity_subtype);
+	$name = get_metastring_id($name);
+	$limit = (int) $limit;
+	$offset = (int) $offset;
+	$owner_guid = (int) $owner_guid;
+	if (!empty($mdname) && !empty($mdvalue)) {
+		$meta_n = get_metastring_id($mdname);
+		$meta_v = get_metastring_id($mdvalue);
+	}
+
+	if (empty($name)) return 0;
+
+	$where = array();
+
+	if ($entity_type!="")
+		$where[] = "e.type='$entity_type'";
+	if ($owner_guid > 0)
+		$where[] = "e.owner_guid = $owner_guid";
+	if ($entity_subtype)
+		$where[] = "e.subtype=$entity_subtype";
+	if ($name!="")
+		$where[] = "a.name_id='$name'";
+
+	if (!empty($mdname) && !empty($mdvalue)) {
+		if ($mdname!="")
+			$where[] = "m.name_id='$meta_n'";
+		if ($mdvalue!="")
+			$where[] = "m.value_id='$meta_v'";
+	}
+
+	if ($sum != "count")
+		$where[] = "a.value_type='integer'"; // Limit on integer types
+
+	if (!$count) {
+		$query = "SELECT distinct e.*, $sum(ms.string) as sum ";
+	} else {
+		$query = "SELECT count(distinct e.guid) as num, $sum(ms.string) as sum ";
+	}
+	$query .= " from {$CONFIG->dbprefix}entities e JOIN {$CONFIG->dbprefix}annotations a on a.entity_guid = e.guid JOIN {$CONFIG->dbprefix}metastrings ms on a.value_id=ms.id ";
+
+	if (!empty($mdname) && !empty($mdvalue)) {
+		$query .= " JOIN {$CONFIG->dbprefix}metadata m on m.entity_guid = e.guid ";
+	}
+
+	$query .= " WHERE ";
+	foreach ($where as $w)
+		$query .= " $w and ";
+	$query .= get_access_sql_suffix("a"); // now add access
+	$query .= ' and ' . get_access_sql_suffix("e"); // now add access
+	if (!$count) $query .= ' group by e.guid';
+
+	if (!$count) {
+		$query .= ' order by sum ' . $orderdir;
+		$query .= ' limit ' . $offset . ' , ' . $limit;
+		return get_data($query, "entity_row_to_elggstar");
+	} else {
+		if ($row = get_data_row($query)) {
+			return $row->num;
+		}
+	}
+	return false;
+}
+
+/**
+ * Is page owner a group - convenience function
+ *
+ * @return true/false
+ */
+function tp_is_group_page() {
+
+	if ($group = page_owner_entity()) {
+		if ($group instanceof ElggGroup)
+			return true;
+	}
+
+	return false;
+}
+
+
+/**
+ * Is the request from a known browser
+ *
+ * @return true/false
+ */
+function tp_is_person() {
+	$known = array('msie', 'mozilla', 'firefox', 'safari', 'webkit', 'opera', 'netscape', 'konqueror', 'gecko');
+
+	$agent = strtolower($_SERVER['HTTP_USER_AGENT']);
+
+	foreach ($known as $browser) {
+		if (strpos($agent, $browser) !== false) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Convenience function for listing recent images
+ *
+ * @param int $max
+ * @param bool $pagination
+ * @return string
+ */
+function tp_mostrecentimages($max = 8, $pagination = true) {
+	return list_entities("object", "image", 0, $max, false, false, $pagination);
+}