From dd028bec3822d1d9c28c35d599d687e038c7705f Mon Sep 17 00:00:00 2001 From: wei <> Date: Thu, 4 Jan 2007 11:23:26 +0000 Subject: Add chat demo and tutorial. --- demos/chat/protected/App_Code/ChatBufferRecord.php | 64 +++++++++++++++++++++ demos/chat/protected/App_Code/ChatUserManager.php | 63 ++++++++++++++++++++ demos/chat/protected/App_Code/ChatUserRecord.php | 41 +++++++++++++ demos/chat/protected/App_Code/chat.db | Bin 0 -> 4096 bytes 4 files changed, 168 insertions(+) create mode 100644 demos/chat/protected/App_Code/ChatBufferRecord.php create mode 100644 demos/chat/protected/App_Code/ChatUserManager.php create mode 100644 demos/chat/protected/App_Code/ChatUserRecord.php create mode 100644 demos/chat/protected/App_Code/chat.db (limited to 'demos/chat/protected/App_Code') diff --git a/demos/chat/protected/App_Code/ChatBufferRecord.php b/demos/chat/protected/App_Code/ChatBufferRecord.php new file mode 100644 index 00000000..cf3c651f --- /dev/null +++ b/demos/chat/protected/App_Code/ChatBufferRecord.php @@ -0,0 +1,64 @@ +_created_on === null) + $this->_created_on = time(); + return $this->_created_on; + } + + public function setCreated_On($value) + { + $this->_created_on = $value; + } + + public static function finder() + { + return parent::getRecordFinder('ChatBufferRecord'); + } + + public function saveMessage() + { + foreach(ChatUserRecord::finder()->findAll() as $user) + { + $message = new self; + $message->for_user = $user->username; + $message->from_user = $this->from_user; + $message->message = $this->message; + $message->save(); + if($user->username == $this->from_user) + { + $user->last_activity = time(); //update the last activity; + $user->save(); + } + } + } + + public function getUserMessages($user) + { + $content = ''; + foreach($this->findAll('for_user = ?', $user) as $message) + $content .= $this->formatMessage($message); + $this->deleteAll('for_user = ? OR created_on < ?', $user, time() - 300); //5 min inactivity + return $content; + } + + protected function formatMessage($message) + { + $user = htmlspecialchars($message->from_user); + $content = htmlspecialchars($message->message); + return "
"; + } +} + +?> \ No newline at end of file diff --git a/demos/chat/protected/App_Code/ChatUserManager.php b/demos/chat/protected/App_Code/ChatUserManager.php new file mode 100644 index 00000000..f8fe09cc --- /dev/null +++ b/demos/chat/protected/App_Code/ChatUserManager.php @@ -0,0 +1,63 @@ +setIsGuest(true); + if($username !== null) + { + $user->setIsGuest(false); + $user->setName($username); + $user->setRoles(array('normal')); + } + return $user; + } + + /** + * Add a new user to the database. + * @param string username. + */ + public function addNewUser($username) + { + $user = new ChatUserRecord(); + $user->username = $username; + $user->save(); + } + + /** + * @return boolean true if username already exists, false otherwise. + */ + public function usernameExists($username) + { + return ChatUserRecord::finder()->findByUsername($username) instanceof ChatUserRecord; + } + + /** + * Validates if the username exists. + * @param string user name + * @param string password + * @return boolean true if validation is successful, false otherwise. + */ + public function validateUser($username,$password) + { + return $this->usernameExists($username); + } +} + + +?> \ No newline at end of file diff --git a/demos/chat/protected/App_Code/ChatUserRecord.php b/demos/chat/protected/App_Code/ChatUserRecord.php new file mode 100644 index 00000000..9bfb11cd --- /dev/null +++ b/demos/chat/protected/App_Code/ChatUserRecord.php @@ -0,0 +1,41 @@ +_last_activity === null) + $this->_last_activity = time(); + return $this->_last_activity; + } + + public function setLast_Activity($value) + { + $this->_last_activity = $value; + } + + public static function finder() + { + return parent::getRecordFinder('ChatUserRecord'); + } + + public function getUserList() + { + $this->deleteAll('last_activity < ?', time()-300); //5 min inactivity + $content = '