Initial activity view.

Missing functionality: comments, tabs and drill down ability.

git-svn-id: https://code.elgg.org/elgg/trunk@2272 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 288 insertions, 0 deletions

diff --git a/mod/activity/start.php b/mod/activity/start.php
new file mode 100644
index 000000000..73f4cfc70
--- /dev/null
+++ b/mod/activity/start.php
@@ -0,0 +1,288 @@
+<?php
+	/**
+	 * Elgg activity plugin.
+	 * 
+	 * @package ElggActivity
+	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+	 * @author Curverider Ltd
+	 * @copyright Curverider Ltd 2008
+	 * @link http://elgg.com/
+	 */
+
+	/**
+	 * Initialise the activity.
+	 *
+	 */
+	function activity_init()
+	{
+		global $CONFIG;
+		
+		// Register and optionally replace the dashboard
+		if (get_plugin_setting('useasdashboard', 'activity') == 'yes')
+			register_page_handler('dashboard','activity_page_handler');
+		
+		// Page handler
+		register_page_handler('activity','activity_page_handler');
+		
+		// Activity main menu
+		if (isloggedin())
+		{
+			add_menu(elgg_echo('activity:your'), $CONFIG->wwwroot . "pg/activity/{$_SESSION['user']->username}/", array(), 'activity');
+		}
+	}
+	
+	/**
+	 * Post init gumph.
+	 */
+	function activity_page_setup()
+	{
+		global $CONFIG;
+		
+		if ((get_context()=='activity') || (get_context()=='dashboard'))
+		{
+			add_submenu_item(elgg_echo('activity:your'), $CONFIG->wwwroot."pg/activity/{$_SESSION['user']->username}/");
+			add_submenu_item(elgg_echo('activity:friends'), $CONFIG->wwwroot."pg/activity/{$_SESSION['user']->username}/friends/");
+			add_submenu_item(elgg_echo('activity:all'), $CONFIG->wwwroot."pg/activity/");
+		}
+	}
+	
+	/**
+	 * Page handler for activity.
+	 *
+	 * @param unknown_type $page
+	 */
+	function activity_page_handler($page)
+	{
+		global $CONFIG;
+		
+		if ($page[0])
+			set_input('username', $page[0]);
+
+		if ($page[0]) {
+			if ($page[1])
+			{
+				switch ($page[1])
+				{
+					case 'friends' :
+						include($CONFIG->pluginspath . "activity/friends.php");
+					break;
+				}
+			}
+			else
+				include($CONFIG->pluginspath . "activity/index.php");	
+		} else
+			include($CONFIG->pluginspath . "activity/all.php");
+	}
+	
+	/**
+	 * Pull activity from the system log.
+	 * 
+	 * This works in a similar way to the river code, but looks for activity views instead.
+	 *
+	 * @param int $limit Limit the query.
+	 * @param int $offset Execute from the given object
+	 * @param mixed $type A type, or array of types to look for. Note: This is how they appear in the SYSTEM LOG.
+	 * @param mixed $subtype A subtype, or array of types to look for. Note: This is how they appear in the SYSTEM LOG.
+	 * @param mixed $owner_guid The guid or a collection of GUIDs
+	 * @param string $owner_relationship If defined, the relationship between $owner_guid and the entity owner_guid - so "is $owner_guid $owner_relationship with $entity->owner_guid"
+	 * @return array An array of pre-rendered elgg_views on the data.
+	 */
+	function activity_get_activity($limit = 10, $offset = 0, $type = "", $subtype = "", $owner_guid = "", $owner_relationship = "" )
+	{
+		global $CONFIG;
+		
+		$limit = (int)$limit;
+		$offset = (int)$offset;
+	
+		if (!is_array($type))
+			$type = array(sanitise_string($type));
+		else
+			foreach ($type as $k => $v)
+				$type[$k] = sanitise_string($v);
+		
+		if (!is_array($subtype))
+			$subtype = array(sanitise_string($subtype));
+		else
+			foreach ($subtype as $k => $v)
+				$subtype[$k] = sanitise_string($v);
+		
+		if (is_array($owner_guid))
+			foreach ($owner_guid as $k => $v)
+				$owner_guid[$k] = (int)$v;
+		else
+			$owner_guid = array((int)$owner_guid);
+			
+		$owner_relationship = sanitise_string($owner_relationship);
+		
+		// Get a list of possible views
+		$activity_events= array(); 
+		$activity_views = array_merge(elgg_view_tree('activity'), elgg_view_tree('river')); // Join activity with river
+
+		$done = array();
+			
+		foreach ($activity_views as $view)
+		{
+			$fragments = explode('/', $view);
+			$tmp = explode('/',$view, 2);
+			$tmp = $tmp[1];
+			
+			if ((isset($fragments[0])) && (($fragments[0] == 'river') || ($fragments[0] == 'activity')) 
+				&& (!in_array($tmp, $done)))
+			{
+				if (isset($fragments[1]))
+				{
+					$f = array();
+					for ($n = 1; $n < count($fragments); $n++)
+					{
+						$val = sanitise_string($fragments[$n]);
+						switch($n)
+						{
+							case 1: $key = 'type'; break;
+							case 2: $key = 'subtype'; break;
+							case 3: $key = 'event'; break;
+						}
+						$f[$key] = $val;
+					}
+					$activity_events[] = $f; 
+				}
+				
+				$done[] = $tmp; 
+			}
+			
+			
+		}
+
+		$n = 0;
+		foreach ($activity_events as $details)
+		{
+			// Get what we're talking about
+		
+			if ($details['subtype'] == 'default') $details['subtype'] = '';
+			
+			if (($details['type']) && ($details['event'])) {
+				if ($n>0) $obj_query .= " or ";
+				
+				$access = "";
+				if ($details['type']!='relationship')
+					$access = " and " . get_access_sql_suffix('sl');
+				 
+				$obj_query .= "( sl.object_type='{$details['type']}' and sl.object_subtype='{$details['subtype']}' and sl.event='{$details['event']}' $access )";
+				
+				$n++;
+			}
+		
+		}		
+	
+		// User
+		if (count($owner_guid) && ($owner_guid[0]!=0))
+			$user = " and sl.performed_by_guid in (".implode(',', $owner_guid).")";
+		
+		// Relationship
+		$relationship_query = "";
+		$relationship_join = "";
+		if ($relationship)
+		{
+			$relationship_join = " join {$CONFIG->dbprefix}entity_relationships r on sl.performed_by_guid=r.entity_guid ";
+			$relationship_query = "r.relationship = '$relationship'";
+		}
+		
+		$query = "SELECT sl.* from {$CONFIG->dbprefix}system_log sl $relationship_join where 1 $user and $relationship_query ($obj_query) order by sl.time_created desc  limit $offset, $limit";
+		$log_data = get_data($query);
+
+		// until count reached, loop through and render
+		$activity = array();
+		
+		if ($log_data)
+		{
+			foreach ($log_data as $log)
+			{
+				// See if we have access to the object we're talking about
+				$event = $log->event;
+				$class = $log->object_class;
+				$type = $log->object_type;
+				$subtype = $log->object_subtype;
+				$tmp = new $class();
+				$object = $tmp->getObjectFromID($log->object_id);	
+				$by_user_obj = get_entity($log->performed_by_guid);
+				
+				// Belts and braces
+				if ($object instanceof $class)
+				{
+					$tam = "";
+					
+					// Construct the statement
+					$statement_object = $object; // Simple object, we don't need to do more
+							
+					// This is a relationship, slighty more complicated
+					if ($object instanceof ElggRelationship) {
+								
+						$statement_object = array(
+							'subject' => get_entity($object->guid_one),
+							'relationship' => $object->relationship,// Didn' cast to int here deliberately
+							'object' => get_entity($object->guid_two) 
+						);
+						
+					// Metadata or annotations, also slightly more complicated
+					} else if ($object instanceof ElggExtender) {
+						$statement_object = array(
+							'subject' => $object,
+							'object' => get_entity($object->entity_guid)  
+						);
+					}
+
+					// Put together a river statement
+					$statement = new ElggRiverStatement($by_user_obj, $event, $statement_object);
+					
+					// Now construct and call the appropriate views
+					
+					if ($subtype == "widget") { // Special case for widgets
+						$subtype = "widget/" . $object->handler;
+					}
+					if ($subtype == '')
+						$subtype = 'default';
+						
+						
+					$activity_view = 'activity';	
+					if (!elgg_view_exists("$activity_view/$type/$subtype/$event"))
+						$activity_view = 'river';
+									
+					$tam = elgg_view("$activity_view/$type/$subtype/$event", array(
+						'statement' => $statement
+					));
+					
+					
+					// Giftwrap
+					if (!empty($tam)) {
+						$tam = elgg_view("activity/wrapper",array(
+									'entry' => $tam,
+									'time' => $log->time_created,
+									'event' => $event,
+									'statement' => $statement 
+						));
+					}
+					
+					$activity[] = $tam;
+				}
+			}
+		}
+		
+		return $activity;
+		
+	}
+	
+	// river index with tabs to drill down
+	
+	
+	
+	
+	/// BONUS POINTS
+	
+	// comment on feed items
+	
+	// comment on search terms/ tags
+	
+	
+	// Initialise plugin
+	register_elgg_event_handler('init','system','activity_init');
+	register_elgg_event_handler('pagesetup','system','activity_page_setup');
+?>
\ No newline at end of file