Initial Commit

1 files changed, 137 insertions, 0 deletions

diff --git a/models/Post.php b/models/Post.php
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index 0000000..653beb2
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+++ b/models/Post.php
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+<?php	
+
+namespace app\models;
+use app\models\User;
+
+class Post extends \lithium\data\Model {
+	protected $_meta = array('key' => '_id');
+
+//Overrides save so we can do some stuff before the data is commited to the database. 
+
+/* Post model $_Schema:
+ * _id => MongoID
+ * user_id -> mongoID of the user that posted it
+ * datetime -> mongodate of when the post was posted
+ * body -> the text of the post
+ * level -> access level required to see the post
+ * comments[] => list of comments 
+ * type -> the type of post, IE picture text, chat etc
+ */ 
+
+ 	/**
+ 	 * Parses an array of words to find mentions and topic tags then converts them
+ 	 * @param Entitiy $entity Not used, but otherwise lithium will pass entity into words which makes the program blowup
+ 	 * @param Mixed $input, either a string, or a spilt array of words (ie an exploded string)
+ 	 * @return String a string with the topics and mentions converted
+ 	 */ 
+ 	public function parse($entity, $input)
+ 	{
+ 		$words;
+ 		if (is_array($input)) {
+ 			$words = $input;
+ 		}
+ 		else {
+ 			$words = explode(" ", $input);
+ 		}
+
+ 		//Count the number of words 
+ 		$count = count($words);
+
+
+ 		//For each word in the array
+		for ($i = 0; $i < $count; $i++)
+		{
+			//If the word begins with a '@' convert it to a mention
+			if ($words[$i][0] == '@')
+			{
+				$words[$i] = $this->convertToMention($words[$i]);
+			}
+			//Else if the word beings with a '#' Convert to topic link
+			else if ($words[$i][0] == '#')
+			{
+				$words[$i] = $this->convertToTopic($words[$i]);
+			}
+		}
+		return implode(" ", $words);	
+ 	}
+	
+	//TODO: Some sort of security check to make sure 
+			//That the user is ok with receiving message
+
+	public function directMessage($entity, $to)
+	{
+		//Get the user the message is to
+		$user = User::find('first', array('conditions' => array('username' => $to)));
+
+		//If find() returned a user, 
+		if ($user)
+		{
+			//Add the post to their feed,
+			return $post->store($user); 
+		}
+		//If the user wasn't found
+		return false;
+	}
+
+   /**
+	* Converts a string with a topic tag(eg: #madoka) to clickable link to the topic eg <a class="topic" href"/topic/madoka>#madoka</a>
+	* @param String $input The string with topic tag
+	* @return String the string with href
+	*/
+	public function convertToTopic($input)
+	{
+		//Remove the # character from the beginning 
+		$output = substr($input, 1);
+		
+		//Formats the string and returns it.
+		return "<a class=\"topic\" href=\"/topics/view/$output\">$input</a>";
+	}	
+
+	/**
+	* converts a mention (eg: @bob) to a clickable link to the user's profile eg <a class="topic" href"/topic/madoka>#madoka</a>
+	* @param String $input The string with topic tag
+	* @return String the string with href
+	*/
+	public function convertToMention($input)
+	{
+		//Remove the @ character from the beginning 
+		$output = substr($input, 1);
+
+		//Formats the string and returns it.
+		return "<a class=\"mention\" href=\"/profile/view/$output\">$input</a>";
+	}
+
+	/**
+	* Stores the post to all the user's friends feed 
+	* @param Post $entity The post to be stored
+	* @param Array $users an Array of users objects to store the post to
+	* @return boolean True if sucsessful, false otherwise 
+	*/
+	//Store all can take a single param as well, therefore it should replace the store method once we're sure it works properly :TODO:
+	public function storeAll($entity, $users)
+	{
+		$ids; 
+		foreach($users as $user)
+		{
+			$ids[] = $user->_id;
+		}
+
+		$updateData = array('$push' => array('feed' =>  $entity['_id']->__toString()));
+
+		$conditions =  array('_id' => array('$in' => $ids));
+		$result = User::update($updateData, $conditions, array('atomic' => false));
+
+		return $result; 
+	}
+
+	public function store($entity, $user)
+	{
+		$updateData = array('$push' => array('feed' =>  $entity['_id']->__toString()));
+		$conditions =  array('_id' => $user['_id']);
+		$result = User::update($updateData, $conditions, array('atomic' => false));
+
+		return $result; 
+	}
+}
+
+?>
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