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Create base class for Client Side Request Processors

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This commit is contained in:
Dmitriy Simushev 2013-01-16 09:07:10 +00:00
parent 0933263cc9
commit a300b99171
4 changed files with 110 additions and 66 deletions
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10
src/messenger/webim/install/dbinfo.php
View File

@ -57,9 +57,9 @@ $dbtables = array(
"groupid" => "int references ${mysqlprefix}chatgroup(groupid)",
),
"${mysqlprefix}chatrequestbuffer" => array(
"${mysqlprefix}requestbuffer" => array(
"requestid" => "int NOT NULL auto_increment PRIMARY KEY",
"threadid" => "int NOT NULL references ${mysqlprefix}chatthread(threadid)",
"requestkey" => "varchar(128) NOT NULL",
"request" => "text NOT NULL"
),
@ -167,8 +167,8 @@ $dbtables_indexes = array(
"groupid" => "groupid",
"operatorid" => "operatorid"
),
"${mysqlprefix}chatrequestbuffer" => array(
"threadid" => "threadid"
"${mysqlprefix}requestbuffer" => array(
"requestkey" => "requestkey"
),
"${mysqlprefix}chatmessage" => array(
"idx_agentid" => "agentid"
@ -194,7 +194,7 @@ $memtables = array();
$dbtables_can_update = array(
"${mysqlprefix}chatthread" => array("agentId", "userTyping", "agentTyping", "messageCount", "nextagent", "shownmessageid", "userid", "userAgent", "groupid", "dtmchatstarted"),
"${mysqlprefix}chatrequestbuffer" => array("requestid", "threadid", "request"),
"${mysqlprefix}requestbuffer" => array("requestid", "requestkey", "request"),
"${mysqlprefix}chatmessage" => array("agentId"),
"${mysqlprefix}chatoperator" => array("vcavatar", "vcjabbername", "iperm", "istatus", "idisabled", "vcemail", "dtmrestore", "vcrestoretoken"),
"${mysqlprefix}chatban" => array(),

96
src/messenger/webim/libs/classes/client_side_processor.php Normal file
View File

@ -0,0 +1,96 @@
<?php
/*
* Copyright 2005-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Base class for all request processors that interact with JavaScript
* applications at the client side.
*/
abstract class ClientSideProcessor extends RequestProcessor {
/**
* Call function at client side
*
* @param array $functions Array of functions to call. See Mibew API for
* details.
* @param array|null $callback callback array for synchronous requests.
* @return mixed request result or boolean false on failure.
*/
public function call($functions, $callback = null) {
return parent::call($functions, true, $callback);
}
/**
* Sends asynchronous responses
*
* @param array $responses An array of the 'Request' arrays. See Mibew API
* for details
*/
protected function sendAsyncResponses($responses) {
header("Content-type: text/plain; charset=UTF-8");
echo($this->mibewAPI->encodePackage(
$responses,
$this->config['signature'],
true
));
}
/**
* Add request to client side to the buffer. Use database as storage.
* Override this method if you want to use another storage and/or save logic.
*
* @param String $key Request key. Use to load request from buffer.
* @param $request Request array.
*/
protected function addRequestToBuffer($key, $request) {
// Save request to database
$db = Database::getInstance();
$db->query(
"INSERT INTO {requestbuffer} (request, requestkey) VALUES (:request, :key)",
array(':request' => serialize($request), ':key' => $key)
);
}
/**
* Load stored requests to the client side
*
* @param String $key Request key
* @return array Array of requests with given key
*/
protected function getRequestsFromBuffer($key) {
$db = Database::getInstance();
// Get requests from database
$requests = $db->query(
"SELECT request FROM {requestbuffer} WHERE requestkey = :key",
array(':key' => $key),
array('return_rows' => Database::RETURN_ALL_ROWS)
);
// Remove got requests from database
$db->query(
"DELETE FROM {requestbuffer} WHERE requestkey = :key",
array(':key' => $key)
);
// Unserialize requests
$result = array();
foreach($requests as $request_info) {
$result[] = unserialize($request_info['request']);
}
return $result;
}
}
?>

69
src/messenger/webim/libs/classes/thread_processor.php
View File

@ -29,7 +29,7 @@
*
* Implements Singleton pattern
*/
class ThreadProcessor extends RequestProcessor {
class ThreadProcessor extends ClientSideProcessor {
/**
* An instance of the ThreadProcessor class
@ -61,7 +61,10 @@ class ThreadProcessor extends RequestProcessor {
$thread = Thread::load($thread_id, $last_token);
// Check thread
if (! $thread) {
throw new ThreadProcessorException('Wrong thread', ThreadProcessorException::ERROR_WRONG_THREAD);
throw new ThreadProcessorException(
'Wrong thread',
ThreadProcessorException::ERROR_WRONG_THREAD
);
}
// Return thread
return $thread;
@ -102,17 +105,6 @@ class ThreadProcessor extends RequestProcessor {
));
}
/**
* Call function at window side
*
* @param array $functions Array of functions to call. See Mibew API for details.
* @param array|null $callback callback array for synchronous requests.
* @return mixed request result or boolean false on failure.
*/
public function call($functions, $callback = null) {
return parent::call($functions, true, $callback);
}
/**
* Creates and returns an instance of the MibewAPI class.
*
@ -122,20 +114,6 @@ class ThreadProcessor extends RequestProcessor {
return MibewAPI::getAPI('MibewAPIChatInteraction');
}
/**
* Sends asynchronous responses
*
* @param array $responses An array of the 'Request' arrays. See Mibew API for details
*/
protected function sendAsyncResponses($responses) {
header("Content-type: text/plain; charset=UTF-8");
echo($this->mibewAPI->encodePackage(
$responses,
$this->config['signature'],
true
));
}
/**
* Sends asynchronous request
*
@ -161,42 +139,11 @@ class ThreadProcessor extends RequestProcessor {
);
}
}
// Save request to database
$db = Database::getInstance();
$db->query(
"INSERT INTO {chatrequestbuffer} (request, threadid) VALUES (:request, :threadid)",
array(':request' => serialize($request), ':threadid' => $thread_id)
);
// Store request in buffer
$this->addRequestToBuffer('thread_'.$thread_id, $request);
return true;
}
/**
* Load stored requests to window from database
*
* @param Thread $thread Requests loads for this thread
* @return array Array of requests to $thread thread
*/
protected function getStoredRequests(Thread $thread) {
$db = Database::getInstance();
// Get requests from database
$requests = $db->query(
"SELECT request FROM {chatrequestbuffer} WHERE threadid = :threadid",
array(':threadid' => $thread->id),
array('return_rows' => Database::RETURN_ALL_ROWS)
);
// Remove got requests from database
$db->query(
"DELETE FROM {chatrequestbuffer} WHERE threadid = :threadid",
array(':threadid' => $thread->id)
);
// Unserialize requests
$result = array();
foreach($requests as $request_info) {
$result[] = unserialize($request_info['request']);
}
return $result;
}
/**
* Send new messages to window
*
@ -285,7 +232,7 @@ class ThreadProcessor extends RequestProcessor {
$this->sendMessages($thread, $args['user'], $args['lastId']);
// Load stored requests
$stored_requests = $this->getStoredRequests($thread);
$stored_requests = $this->getRequestsFromBuffer('thread_'.$thread->id);
if ($stored_requests !== false) {
$this->responses = array_merge($this->responses, $stored_requests);
}

1
src/messenger/webim/thread.php
View File

@ -23,6 +23,7 @@ require_once('libs/classes/mibew_api.php');
require_once('libs/classes/mibew_api_interaction.php');
require_once('libs/classes/mibew_api_chat_interaction.php');
require_once('libs/classes/mibew_api_execution_context.php');
require_once('libs/classes/client_side_processor.php');
require_once('libs/classes/thread_processor.php');
$processor = ThreadProcessor::getInstance();