/**
* function make_conversation()
* A controller function to run the instructions to make the conversation
*
* @link http://blog.program-o.com/?p=1209
* @param array $convoArr - the current state of the conversation array
* @return array $convoArr (updated)
*/
function make_conversation($convoArr)
{
runDebug(__FILE__, __FUNCTION__, __LINE__, "Making conversation", 4);
//get the user input and clean it
$convoArr['aiml']['lookingfor'] = normalize_text($convoArr['user_say'][1]);
//find an aiml match in the db
$convoArr = get_aiml_to_parse($convoArr);
$convoArr = parse_matched_aiml($convoArr, 'normal');
//parse the aiml to build a response
//store the conversation
$convoArr = push_on_front_convoArr('parsed_template', $convoArr['aiml']['parsed_template'], $convoArr);
$convoArr = push_on_front_convoArr('template', $convoArr['aiml']['template'], $convoArr);
//display conversation vars to user.
$convoArr['conversation']['totallines']++;
return $convoArr;
}
/**
* function save_for_nextturn()
* This function puts the bot results of an srai search into the main convoArr
* @param array $convoArr - the conversation array
* @return array $convoArr - the updated conversation array
**/
function save_for_nextturn($convoArr)
{
runDebug(__FILE__, __FUNCTION__, __LINE__, "Saving that and that_raw for next turn", 4);
$savethis = $convoArr['aiml']['parsed_template'];
$convoArr = push_on_front_convoArr('that_raw', $savethis, $convoArr);
$convoArr = push_on_front_convoArr('that', $savethis, $convoArr);
return $convoArr;
}
/**
* function add_new_conversation_vars()
* A function add the new values from the user input into the conversation state
* @param string $say - the user input
* @param array $convoArr - the current state of the conversation array
* @return $convoArr (updated)
**/
function add_new_conversation_vars($say, $convoArr)
{
runDebug(__FILE__, __FUNCTION__, __LINE__, "New conversation vars", 4);
//$convoArr['conversation']['convo_id']=$convo_id;
//$convoArr['conversation']['bot_id']=$bot_id;
//put what the user has said on the front of the 'user_say' and 'input' subarray with a minimum clean to prevent injection
$convoArr = push_on_front_convoArr("user_say", strip_tags($say), $convoArr);
$convoArr['aiml']['user_raw'] = strip_tags($say);
$convoArr = push_on_front_convoArr('input', $convoArr['aiml']['user_raw'], $convoArr);
return $convoArr;
}
/**
* function load_that(()
* A function to load the previous bot responses into the convoArr['that'] array
*
* @link http://blog.program-o.com/?p=1283
* @param array $convoArr - the current state of the conversation array
* @return array $convoArr (updated)
*/
function load_that($convoArr)
{
runDebug(__FILE__, __FUNCTION__, __LINE__, 'Loading the THAT array.', 2);
global $dbConn, $dbn, $remember_up_to, $bot_id;
$remember_up_to = !empty($convoArr['conversation']['remember_up_to']) ? $convoArr['conversation']['remember_up_to'] : $remember_up_to;
$user_id = $convoArr['conversation']['user_id'];
$bot_id = !empty($convoArr['conversation']['bot_id']) ? $convoArr['conversation']['bot_id'] : $bot_id;
$limit = $remember_up_to;
$sql = "select `input`, `response` from `{$dbn}`.`conversation_log` where `user_id` = {$user_id} and `bot_id` = {$bot_id} order by `id` desc limit {$limit};";
// desc
runDebug(__FILE__, __FUNCTION__, __LINE__, "Getting conversation log entries for the current user. SQL:\n{$sql}", 3);
$result = db_fetchAll($sql, null, __FILE__, __FUNCTION__, __LINE__);
if ($result) {
$tmpThatRows = array();
$tmpInputRows = array();
$tmpThat = array();
$tmpInput = array();
$puncuation = array(',', '?', ';', '!');
foreach ($result as $row) {
$tmpThatRows[] = $row['response'];
$tmpInputRows[] = $row['input'];
}
runDebug(__FILE__, __FUNCTION__, __LINE__, 'Inputs returned:' . print_r($tmpInputRows, true), 1);
runDebug(__FILE__, __FUNCTION__, __LINE__, 'Loading previous responses into the ~THAT~ array.', 4);
runDebug(__FILE__, __FUNCTION__, __LINE__, 'Responses returned:' . print_r($tmpThatRows, true), 1);
$tmpThatRows = array_reverse($tmpThatRows);
foreach ($tmpThatRows as $row) {
$row = str_replace($puncuation, '.', $row);
$tmpThat[] = explode('.', $row);
}
array_unshift($tmpThat, NULL);
unset($tmpThat[0]);
foreach ($tmpThat as $index => $value) {
$value = implode_recursive(' ', $value, __FILE__, __FUNCTION__, __LINE__);
$value = clean_that($value, __FILE__, __FUNCTION__, __LINE__);
$convoArr = push_on_front_convoArr('that', $value, $convoArr);
}
runDebug(__FILE__, __FUNCTION__, __LINE__, 'Loading previous user inputs into the ~INPUT~ array.', 4);
$tmpInputRows = array_reverse($tmpInputRows);
foreach ($tmpInputRows as $row) {
$row = str_replace($puncuation, '.', $row);
$tmpInput[] = explode('.', $row);
}
array_unshift($tmpThat, NULL);
unset($tmpThat[0]);
foreach ($tmpInput as $index => $value) {
$value = implode_recursive(' ', $value, __FILE__, __FUNCTION__, __LINE__);
$value = clean_that($value, __FILE__, __FUNCTION__, __LINE__);
$convoArr = push_on_front_convoArr('input', $value, $convoArr);
}
} else {
runDebug(__FILE__, __FUNCTION__, __LINE__, 'Couldn\'t find any previous inputs or responses.', 4);
}
return $convoArr;
}
/**
* function set_simple()
* This function sets simple client properties
* @param array $convoArr - a reference to the existing conversation array
* @param string $index - the array index to set
* @param string $value - the value of the array index
* @return string $value - the value of the array index
**/
function set_simple(&$convoArr, $index, $value)
{
runDebug(__FILE__, __FUNCTION__, __LINE__, "Setting simple value {$index} to equal {$value}", 4);
if ($index == "topic") {
$convoArr = push_on_front_convoArr('topic', $value, $convoArr);
} else {
$value = clean_client_properties($value);
$convoArr['client_properties'][$index] = $value;
}
return $value . " ";
}