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ConversationDB.php
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ConversationDB.php
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<?php
/**
* This file is part of the TelegramBot package.
*
* (c) Avtandil Kikabidze aka LONGMAN <akalongman@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Longman\TelegramBot;
use Exception;
use Longman\TelegramBot\Exception\TelegramException;
use PDO;
class ConversationDB extends DB
{
/**
* Initilize conversation table
*/
public static function initializeConversation()
{
if (!defined('TB_CONVERSATION')) {
define('TB_CONVERSATION', self::$table_prefix . 'conversation');
}
}
/**
* Select a conversation from the DB
*
* @param int $user_id
* @param int $chat_id
* @param bool $limit
*
* @return array|bool
* @throws \Longman\TelegramBot\Exception\TelegramException
*/
public static function selectConversation($user_id, $chat_id, $limit = null)
{
if (!self::isDbConnected()) {
return false;
}
try {
$query = 'SELECT * FROM `' . TB_CONVERSATION . '` ';
$query .= 'WHERE `status` = :status ';
$query .= 'AND `chat_id` = :chat_id ';
$query .= 'AND `user_id` = :user_id ';
if (!is_null($limit)) {
$query .= ' LIMIT :limit';
}
$sth = self::$pdo->prepare($query);
$active = 'active';
$sth->bindParam(':status', $active, PDO::PARAM_STR);
$sth->bindParam(':user_id', $user_id, PDO::PARAM_INT);
$sth->bindParam(':chat_id', $chat_id, PDO::PARAM_INT);
$sth->bindParam(':limit', $limit, PDO::PARAM_INT);
$sth->execute();
$results = $sth->fetchAll(PDO::FETCH_ASSOC);
} catch (Exception $e) {
throw new TelegramException($e->getMessage());
}
return $results;
}
/**
* Insert the conversation in the database
*
* @param int $user_id
* @param int $chat_id
* @param string $command
*
* @return bool
* @throws \Longman\TelegramBot\Exception\TelegramException
*/
public static function insertConversation($user_id, $chat_id, $command)
{
if (!self::isDbConnected()) {
return false;
}
try {
$sth = self::$pdo->prepare('INSERT INTO `' . TB_CONVERSATION . '`
(
`status`, `user_id`, `chat_id`, `command`, `notes`, `created_at`, `updated_at`
)
VALUES (
:status, :user_id, :chat_id, :command, :notes, :date, :date
)
');
$active = 'active';
//$notes = json_encode('');
$notes = '""';
$created_at = self::getTimestamp();
$sth->bindParam(':status', $active);
$sth->bindParam(':command', $command);
$sth->bindParam(':user_id', $user_id);
$sth->bindParam(':chat_id', $chat_id);
$sth->bindParam(':notes', $notes);
$sth->bindParam(':date', $created_at);
$status = $sth->execute();
} catch (Exception $e) {
throw new TelegramException($e->getMessage());
}
return $status;
}
/**
* Update a specific conversation
*
* @param array $fields_values
* @param array $where_fields_values
*
* @return bool
*/
public static function updateConversation(array $fields_values, array $where_fields_values)
{
return self::update(TB_CONVERSATION, $fields_values, $where_fields_values);
}
/**
* Update the conversation in the database
*
* @param string $table
* @param array $fields_values
* @param array $where_fields_values
*
* @todo This function is generic should be moved in DB.php
*
* @return bool
* @throws \Longman\TelegramBot\Exception\TelegramException
*/
public static function update($table, array $fields_values, array $where_fields_values)
{
if (!self::isDbConnected()) {
return false;
}
//Auto update the field update_at
$fields_values['updated_at'] = self::getTimestamp();
//Values
$update = '';
$tokens = [];
$tokens_counter = 0;
$a = 0;
foreach ($fields_values as $field => $value) {
if ($a) {
$update .= ', ';
}
++$a;
++$tokens_counter;
$update .= '`' . $field . '` = :' . $tokens_counter;
$tokens[':' . $tokens_counter] = $value;
}
//Where
$a = 0;
$where = '';
foreach ($where_fields_values as $field => $value) {
if ($a) {
$where .= ' AND ';
} else {
++$a;
$where .= 'WHERE ';
}
++$tokens_counter;
$where .= '`' . $field . '`= :' . $tokens_counter;
$tokens[':' . $tokens_counter] = $value;
}
$query = 'UPDATE `' . $table . '` SET ' . $update . ' ' . $where;
try {
$sth = self::$pdo->prepare($query);
$status = $sth->execute($tokens);
} catch (Exception $e) {
throw new TelegramException($e->getMessage());
}
return $status;
}
}

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