/**
* Writes the current data to the database
* @return boolean Query result
*/
function write_to_db()
{
if ($this->debug > 0) {
error_log('New LP - In learnpathItem::write_to_db()', 0);
}
$mode = $this->get_lesson_mode();
$credit = $this->get_credit();
$my_verified_status = $this->get_status(false);
$item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$sql_verified = 'SELECT status FROM ' . $item_view_table . ' WHERE lp_item_id="' . $this->db_id . '" AND lp_view_id="' . $this->view_id . '" AND view_count="' . $this->attempt_id . '" ;';
$rs_verified = Database::query($sql_verified, __FILE__, __LINE__);
$row_verified = Database::fetch_array($rs_verified);
$my_case_completed = array('completed', 'passed', 'browsed', 'failed');
//added by isaac flores
if (in_array($sql_verified['status'], $my_case_completed)) {
$save = false;
} else {
$save = true;
}
if ($save === false && $this->type == 'sco' || $this->type == 'sco' && ($credit == 'no-credit' or $mode == 'review' or $mode == 'browse')) {
//this info shouldn't be saved as the credit or lesson mode info prevent it
if ($this->debug > 1) {
error_log('New LP - In learnpathItem::write_to_db() - credit(' . $credit . ') or lesson_mode(' . $mode . ') prevent recording!', 0);
}
} else {
//check the row exists
$inserted = false;
// this a special case for multiple attempts and Dokeos exercises
if ($this->type == 'quiz' && $this->get_prevent_reinit() == 0 && $this->get_status() == 'completed') {
// we force the item to be restarted
$this->restart();
$sql = "INSERT INTO {$item_view_table} " . "(total_time, " . "start_time, " . "score, " . "status, " . "max_score, " . "lp_item_id, " . "lp_view_id, " . "view_count, " . "suspend_data, " . "lesson_location)" . "VALUES" . "(" . $this->get_total_time() . "," . "" . $this->current_start_time . "," . "" . $this->get_score() . "," . "'" . $this->get_status(false) . "'," . "'" . $this->get_max() . "'," . "" . $this->db_id . "," . "" . $this->view_id . "," . "" . $this->get_attempt_id() . "," . "'" . Database::escape_string($this->current_data) . "'," . "'" . $this->lesson_location . "')";
if ($this->debug > 2) {
error_log('New LP - In learnpathItem::write_to_db() - Inserting into item_view forced: ' . $sql, 0);
}
$res = Database::query($sql, __FILE__, __LINE__);
$this->db_item_view_id = Database::insert_id();
$inserted = true;
}
$item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$check = "SELECT * FROM {$item_view_table} " . "WHERE lp_item_id = " . $this->db_id . " " . "AND lp_view_id = " . $this->view_id;
if ($this->debug > 2) {
error_log('New LP - In learnpathItem::write_to_db() - Querying item_view: ' . $check, 0);
}
$check_res = Database::query($check);
//depending on what we want (really), we'll update or insert a new row
//now save into DB
$res = 0;
if ($inserted == false && Database::num_rows($check_res) < 1) {
/*$my_status = '';
if ($this->type!=TOOL_QUIZ) {
$my_status = $this->get_status(false);
}*/
$sql = "INSERT INTO {$item_view_table} " . "(total_time, " . "start_time, " . "score, " . "status, " . "max_score, " . "lp_item_id, " . "lp_view_id, " . "view_count, " . "suspend_data, " . "lesson_location)" . "VALUES" . "(" . $this->get_total_time() . "," . "" . $this->current_start_time . "," . "" . $this->get_score() . "," . "'" . $this->get_status(false) . "'," . "'" . $this->get_max() . "'," . "" . $this->db_id . "," . "" . $this->view_id . "," . "" . $this->get_attempt_id() . "," . "'" . Database::escape_string($this->current_data) . "'," . "'" . $this->lesson_location . "')";
if ($this->debug > 2) {
error_log('New LP - In learnpathItem::write_to_db() - Inserting into item_view: ' . $sql, 0);
}
$res = Database::query($sql, __FILE__, __LINE__);
$this->db_item_view_id = Database::insert_id();
} else {
$sql = '';
if ($this->type == 'hotpotatoes') {
//make an exception for HotPotatoes, don't update the score
//because it has been saved outside of this tool
$sql = "UPDATE {$item_view_table} " . "SET total_time = " . $this->get_total_time() . ", " . " start_time = " . $this->get_current_start_time() . ", " . " score = " . $this->get_score() . ", " . " status = '" . $this->get_status(false) . "'," . " max_score = '" . $this->get_max() . "'," . " suspend_data = '" . Database::escape_string($this->current_data) . "'," . " lesson_location = '" . $this->lesson_location . "' " . "WHERE lp_item_id = " . $this->db_id . " " . "AND lp_view_id = " . $this->view_id;
} else {
//for all other content types...
if ($this->type == 'quiz') {
$my_status = ' ';
$total_time = ' ';
if (!empty($_REQUEST['exeId'])) {
$TBL_TRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$safe_exe_id = Database::escape_string($_REQUEST['exeId']);
$sql = 'SELECT start_date,exe_date FROM ' . $TBL_TRACK_EXERCICES . ' WHERE exe_id = ' . (int) $safe_exe_id;
$res = Database::query($sql, __FILE__, __LINE__);
$row_dates = Database::fetch_array($res);
$time_start_date = convert_mysql_date($row_dates['start_date']);
$time_exe_date = convert_mysql_date($row_dates['exe_date']);
$mytime = (int) $time_exe_date - (int) $time_start_date;
$total_time = " total_time = " . $mytime . ", ";
}
} else {
$my_type_lp = learnpath::get_type_static($this->lp_id);
// this is a array containing values finished
$case_completed = array('completed', 'passed', 'browsed');
//is not multiple attempts
if ($this->get_prevent_reinit() == 1) {
// process of status verified into data base
$sql_verified = 'SELECT status FROM ' . $item_view_table . ' WHERE lp_item_id="' . $this->db_id . '" AND lp_view_id="' . $this->view_id . '" AND view_count="' . $this->attempt_id . '" ;';
$rs_verified = Database::query($sql_verified, __FILE__, __LINE__);
$row_verified = Database::fetch_array($rs_verified);
//get type lp: 1=lp dokeos and 2=scorm
// if not is completed or passed or browsed and learning path is scorm
if (!in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
//&& $this->type!='dir'
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
//verified into data base
if (!in_array($row_verified['status'], $case_completed) && $my_type_lp == 2) {
//&& $this->type!='dir'
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} elseif (in_array($row_verified['status'], $case_completed) && $my_type_lp == 2 && $this->type != 'sco') {
//&& $this->type!='dir'
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
//&& !in_array($row_verified['status'],$case_completed)
//is lp dokeos or aicc
if ($my_type_lp == 1 && $this->type != 'chapter') {
$total_time = " total_time = total_time + " . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
if ($my_type_lp == 3) {
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
}
}
}
}
} else {
// is multiple attempts
if (in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
//reset zero new attempt ?
$my_status = " status = '" . $this->get_status(false) . "' ,";
} elseif (!in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
$total_time = " total_time = " . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
//is dokeos LP
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
}
//code added by isaac flores
//this code line fix the problem of wrong status
if ($my_type_lp == 2) {
//verify current status in multiples attempts
$sql_status = 'SELECT status FROM ' . $item_view_table . ' WHERE lp_item_id="' . $this->db_id . '" AND lp_view_id="' . $this->view_id . '" AND view_count="' . $this->attempt_id . '" ';
$rs_status = Database::query($sql_status, __FILE__, __LINE__);
$current_status = Database::result($rs_status, 0, 'status');
if (in_array($current_status, $case_completed)) {
$my_status = '';
$total_time = '';
} else {
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
}
}
}
/*if ($my_type_lp==1 && !in_array($row_verified['status'],$case_completed)) {
$total_time =" total_time = total_time + ".$this->get_total_time().", ";
}*/
}
// if $this->force_scorm_time is set to true, then we need to add the session time to the initial time
if ($this->force_scorm_time) {
$total_time = ' total_time = ' . ($this->time_before_session + $this->get_total_time()) . ' , ';
$this->force_scorm_time = false;
}
$my_view_count = 'view_count=' . ($this->get_attempt_id() + 1) . ',';
$sql = "UPDATE {$item_view_table} " . "SET " . $total_time . " start_time = " . $this->get_current_start_time() . ", " . " score = " . $this->get_score() . ", " . $my_status . $my_view_count . " max_score = '" . $this->get_max() . "'," . " suspend_data = '" . Database::escape_string($this->current_data) . "'," . " lesson_location = '" . $this->lesson_location . "' " . "WHERE lp_item_id = " . $this->db_id;
//." " .
//"AND lp_view_id = ".$this->view_id." "
$this->current_start_time = time();
}
if ($this->debug > 2) {
error_log('New LP - In learnpathItem::write_to_db() - Updating item_view: ' . $sql, 0);
}
$res = Database::query($sql, __FILE__, __LINE__);
}
//if(!$res)
//{
// $this->error = 'Could not update item_view table...'.mysql_error();
//}
if (is_array($this->interactions) && count($this->interactions) > 0) {
//save interactions
$tbl = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$sql = "SELECT id FROM {$tbl} " . "WHERE lp_item_id = " . $this->db_id . " " . "AND lp_view_id = " . $this->view_id . " " . "AND view_count = " . $this->attempt_id;
$res = Database::query($sql, __FILE__, __LINE__);
if (Database::num_rows($res) > 0) {
$row = Database::fetch_array($res);
$lp_iv_id = $row[0];
if ($this->debug > 2) {
error_log('New LP - In learnpathItem::write_to_db() - Got item_view_id ' . $lp_iv_id . ', now checking interactions ', 0);
}
foreach ($this->interactions as $index => $interaction) {
$correct_resp = '';
if (is_array($interaction[4]) && !empty($interaction[4][0])) {
foreach ($interaction[4] as $resp) {
$correct_resp .= $resp . ',';
}
$correct_resp = substr($correct_resp, 0, strlen($correct_resp) - 1);
}
$iva_table = Database::get_course_table(TABLE_LP_IV_INTERACTION);
$iva_sql = "SELECT id FROM {$iva_table} " . "WHERE lp_iv_id = {$lp_iv_id} " . "AND (order_id = {$index} " . "OR interaction_id = '" . Database::escape_string($interaction[0]) . "')";
$iva_res = Database::query($iva_sql, __FILE__, __LINE__);
//id(0), type(1), time(2), weighting(3),correct_responses(4),student_response(5),result(6),latency(7)
if (Database::num_rows($iva_res) > 0) {
//update (or don't)
$iva_row = Database::fetch_array($iva_res);
$iva_id = $iva_row[0];
$ivau_sql = "UPDATE {$iva_table} " . "SET interaction_id = '" . Database::escape_string($interaction[0]) . "'," . "interaction_type = '" . Database::escape_string($interaction[1]) . "'," . "weighting = '" . Database::escape_string($interaction[3]) . "'," . "completion_time = '" . Database::escape_string($interaction[2]) . "'," . "correct_responses = '" . Database::escape_string($correct_resp) . "'," . "student_response = '" . Database::escape_string($interaction[5]) . "'," . "result = '" . Database::escape_string($interaction[6]) . "'," . "latency = '" . Database::escape_string($interaction[7]) . "'" . "WHERE id = {$iva_id}";
$ivau_res = Database::query($ivau_sql, __FILE__, __LINE__);
} else {
//insert new one
$ivai_sql = "INSERT INTO {$iva_table} " . "(order_id, lp_iv_id, interaction_id, interaction_type, " . "weighting, completion_time, correct_responses, " . "student_response, result, latency)" . "VALUES" . "(" . $index . "," . $lp_iv_id . ",'" . Database::escape_string($interaction[0]) . "','" . Database::escape_string($interaction[1]) . "'," . "'" . Database::escape_string($interaction[3]) . "','" . Database::escape_string($interaction[2]) . "','" . Database::escape_string($correct_resp) . "'," . "'" . Database::escape_string($interaction[5]) . "','" . Database::escape_string($interaction[6]) . "','" . Database::escape_string($interaction[7]) . "'" . ")";
$ivai_res = Database::query($ivai_sql, __FILE__, __LINE__);
}
}
}
}
}
if ($this->debug > 2) {
error_log('New LP - End of learnpathItem::write_to_db()', 0);
}
return true;
}
/**
* Writes the current data to the database
* @return boolean Query result
*/
public function write_to_db()
{
if (self::debug > 0) {
error_log('learnpathItem::write_to_db()', 0);
}
// Check the session visibility.
if (!api_is_allowed_to_session_edit()) {
if (self::debug > 0) {
error_log('return false api_is_allowed_to_session_edit');
}
return false;
}
$course_id = api_get_course_int_id();
$mode = $this->get_lesson_mode();
$credit = $this->get_credit();
$item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$sql_verified = 'SELECT status FROM ' . $item_view_table . '
WHERE c_id = ' . $course_id . ' AND lp_item_id="' . $this->db_id . '" AND lp_view_id="' . $this->view_id . '" AND view_count="' . $this->get_attempt_id() . '" ;';
$rs_verified = Database::query($sql_verified);
$row_verified = Database::fetch_array($rs_verified);
$my_case_completed = array('completed', 'passed', 'browsed', 'failed');
$save = true;
if (isset($row_verified) && isset($row_verified['status'])) {
if (in_array($row_verified['status'], $my_case_completed)) {
$save = false;
}
}
if (($save === false && $this->type == 'sco' || $this->type == 'sco' && ($credit == 'no-credit' or $mode == 'review' or $mode == 'browse')) && ($this->seriousgame_mode != 1 && $this->type == 'sco')) {
if (self::debug > 1) {
error_log("This info shouldn't be saved as the credit or lesson mode info prevent it");
error_log('learnpathItem::write_to_db() - credit(' . $credit . ') or lesson_mode(' . $mode . ') prevent recording!', 0);
}
} else {
// Check the row exists.
$inserted = false;
// This a special case for multiple attempts and Chamilo exercises.
if ($this->type == 'quiz' && $this->get_prevent_reinit() == 0 && $this->get_status() == 'completed') {
// We force the item to be restarted.
$this->restart();
$sql = "INSERT INTO {$item_view_table} " . "(c_id, total_time, " . "start_time, " . "score, " . "status, " . "max_score, " . "lp_item_id, " . "lp_view_id, " . "view_count, " . "suspend_data, " . "lesson_location)" . "VALUES" . "({$course_id}, " . $this->get_total_time() . "," . "" . $this->current_start_time . "," . "" . $this->get_score() . "," . "'" . $this->get_status(false) . "'," . "'" . $this->get_max() . "'," . "" . $this->db_id . "," . "" . $this->view_id . "," . "" . $this->get_attempt_id() . "," . "'" . Database::escape_string($this->current_data) . "'," . "'" . $this->lesson_location . "')";
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Inserting into item_view forced: ' . $sql, 0);
}
$res = Database::query($sql);
$this->db_item_view_id = Database::insert_id();
$inserted = true;
}
$check_attempts = self::check_attempts($this->get_attempt_id());
if (!$check_attempts) {
return false;
}
$item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$check = "SELECT * FROM {$item_view_table}\n WHERE\n c_id = {$course_id} AND\n lp_item_id = " . $this->db_id . " AND\n lp_view_id = " . $this->view_id . " AND\n view_count = " . $this->get_attempt_id();
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Querying item_view: ' . $check, 0);
}
$check_res = Database::query($check);
// Depending on what we want (really), we'll update or insert a new row
// now save into DB.
$res = 0;
if (!$inserted && Database::num_rows($check_res) < 1) {
$sql = "INSERT INTO {$item_view_table} " . "(c_id, total_time, " . "start_time, " . "score, " . "status, " . "max_score, " . "lp_item_id, " . "lp_view_id, " . "view_count, " . "suspend_data, " . "lesson_location)" . "VALUES" . "({$course_id}, " . $this->get_total_time() . "," . "" . $this->current_start_time . "," . "" . $this->get_score() . "," . "'" . $this->get_status(false) . "'," . "'" . $this->get_max() . "'," . "" . $this->db_id . "," . "" . $this->view_id . "," . "" . $this->get_attempt_id() . "," . "'" . Database::escape_string($this->current_data) . "'," . "'" . $this->lesson_location . "')";
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Inserting into item_view: ' . $sql, 0);
}
$res = Database::query($sql);
$this->db_item_view_id = Database::insert_id();
} else {
$sql = '';
if ($this->type == 'hotpotatoes') {
$sql = "UPDATE {$item_view_table} " . "SET total_time = " . $this->get_total_time() . ", " . " start_time = " . $this->get_current_start_time() . ", " . " score = " . $this->get_score() . ", " . " status = '" . $this->get_status(false) . "'," . " max_score = '" . $this->get_max() . "'," . " suspend_data = '" . Database::escape_string($this->current_data) . "'," . " lesson_location = '" . $this->lesson_location . "' " . "WHERE c_id = {$course_id} AND lp_item_id = " . $this->db_id . " " . "AND lp_view_id = " . $this->view_id . " " . "AND view_count = " . $this->get_attempt_id();
} else {
// For all other content types...
if ($this->type == 'quiz') {
$my_status = ' ';
$total_time = ' ';
if (!empty($_REQUEST['exeId'])) {
$TBL_TRACK_EXERCICES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$safe_exe_id = Database::escape_string($_REQUEST['exeId']);
$sql = 'SELECT start_date,exe_date FROM ' . $TBL_TRACK_EXERCICES . ' WHERE exe_id = ' . (int) $safe_exe_id;
$res = Database::query($sql);
$row_dates = Database::fetch_array($res);
$time_start_date = api_convert_sql_date($row_dates['start_date']);
$time_exe_date = api_convert_sql_date($row_dates['exe_date']);
$mytime = (int) $time_exe_date - (int) $time_start_date;
$total_time = " total_time = " . $mytime . ", ";
}
} else {
$my_type_lp = learnpath::get_type_static($this->lp_id);
// This is a array containing values finished
$case_completed = array('completed', 'passed', 'browsed', 'failed');
//is not multiple attempts
if ($this->seriousgame_mode == 1 && $this->type == 'sco') {
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} elseif ($this->get_prevent_reinit() == 1) {
// Process of status verified into data base.
$sql_verified = 'SELECT status FROM ' . $item_view_table . '
WHERE c_id = ' . $course_id . ' AND lp_item_id = "' . $this->db_id . '" AND lp_view_id="' . $this->view_id . '" AND view_count="' . $this->get_attempt_id() . '" ;';
$rs_verified = Database::query($sql_verified);
$row_verified = Database::fetch_array($rs_verified);
// Get type lp: 1=lp dokeos and 2=scorm.
// If not is completed or passed or browsed and learning path is scorm.
if (!in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
//&& $this->type!='dir'
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
// Verified into data base.
if (!in_array($row_verified['status'], $case_completed) && $my_type_lp == 2) {
//&& $this->type!='dir'
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} elseif (in_array($row_verified['status'], $case_completed) && $my_type_lp == 2 && $this->type != 'sco') {
//&& $this->type!='dir'
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
//&& !in_array($row_verified['status'], $case_completed)
//is lp dokeos
if ($my_type_lp == 1 && $this->type != 'chapter') {
$total_time = " total_time = total_time + " . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
}
}
}
} else {
// Multiple attempts are allowed.
if (in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
// Reset zero new attempt ?
$my_status = " status = '" . $this->get_status(false) . "' ,";
} elseif (!in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
$total_time = " total_time = " . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
// It is dokeos LP.
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
}
// Code added by Isaac Flores.
// This code line fixes the problem of wrong status.
if ($my_type_lp == 2) {
// Verify current status in multiples attempts.
$sql_status = 'SELECT status FROM ' . $item_view_table . '
WHERE c_id = ' . $course_id . ' AND lp_item_id="' . $this->db_id . '" AND lp_view_id="' . $this->view_id . '" AND view_count="' . $this->get_attempt_id() . '" ';
$rs_status = Database::query($sql_status);
$current_status = Database::result($rs_status, 0, 'status');
if (in_array($current_status, $case_completed)) {
$my_status = '';
$total_time = '';
} else {
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
}
}
}
}
if ($this->type == 'sco') {
//IF scorm scorm_update_time has already updated total_tim in db
$sql = "UPDATE {$item_view_table} " . " SET " . " score = " . $this->get_score() . ", " . $my_status . " max_score = '" . $this->get_max() . "'," . " suspend_data = '" . Database::escape_string($this->current_data) . "'," . " lesson_location = '" . $this->lesson_location . "' " . "WHERE c_id = {$course_id} AND lp_item_id = " . $this->db_id . " " . "AND lp_view_id = " . $this->view_id . " " . "AND view_count = " . $this->get_attempt_id();
} else {
$sql = "UPDATE {$item_view_table} " . "SET " . $total_time . " start_time = " . $this->get_current_start_time() . ", " . " score = " . $this->get_score() . ", " . $my_status . " max_score = '" . $this->get_max() . "'," . " suspend_data = '" . Database::escape_string($this->current_data) . "'," . " lesson_location = '" . $this->lesson_location . "' " . "WHERE c_id = {$course_id} AND lp_item_id = " . $this->db_id . " " . "AND lp_view_id = " . $this->view_id . " " . "AND view_count = " . $this->get_attempt_id();
}
$this->current_start_time = time();
}
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Updating item_view: ' . $sql, 0);
}
$res = Database::query($sql);
}
if (is_array($this->interactions) && count($this->interactions) > 0) {
// Save interactions.
$tbl = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$sql = "SELECT id FROM {$tbl} " . "WHERE c_id = {$course_id} AND lp_item_id = " . $this->db_id . " " . "AND lp_view_id = " . $this->view_id . " " . "AND view_count = " . $this->get_attempt_id();
$res = Database::query($sql);
if (Database::num_rows($res) > 0) {
$row = Database::fetch_array($res);
$lp_iv_id = $row[0];
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Got item_view_id ' . $lp_iv_id . ', now checking interactions ', 0);
}
foreach ($this->interactions as $index => $interaction) {
$correct_resp = '';
if (is_array($interaction[4]) && !empty($interaction[4][0])) {
foreach ($interaction[4] as $resp) {
$correct_resp .= $resp . ',';
}
$correct_resp = substr($correct_resp, 0, strlen($correct_resp) - 1);
}
$iva_table = Database::get_course_table(TABLE_LP_IV_INTERACTION);
$iva_sql = "SELECT id FROM {$iva_table} " . "WHERE c_id = {$course_id} AND lp_iv_id = {$lp_iv_id} " . "AND (order_id = {$index} " . "OR interaction_id = '" . Database::escape_string($interaction[0]) . "')";
$iva_res = Database::query($iva_sql);
// id(0), type(1), time(2), weighting(3), correct_responses(4), student_response(5), result(6), latency(7)
if (Database::num_rows($iva_res) > 0) {
// Update (or don't).
$iva_row = Database::fetch_array($iva_res);
$iva_id = $iva_row[0];
$ivau_sql = "UPDATE {$iva_table} " . "SET interaction_id = '" . Database::escape_string($interaction[0]) . "'," . "interaction_type = '" . Database::escape_string($interaction[1]) . "'," . "weighting = '" . Database::escape_string($interaction[3]) . "'," . "completion_time = '" . Database::escape_string($interaction[2]) . "'," . "correct_responses = '" . Database::escape_string($correct_resp) . "'," . "student_response = '" . Database::escape_string($interaction[5]) . "'," . "result = '" . Database::escape_string($interaction[6]) . "'," . "latency = '" . Database::escape_string($interaction[7]) . "'" . "WHERE c_id = {$course_id} AND id = {$iva_id}";
Database::query($ivau_sql);
} else {
// Insert new one.
$ivai_sql = "INSERT INTO {$iva_table} (c_id, order_id, lp_iv_id, interaction_id, interaction_type, " . "weighting, completion_time, correct_responses, " . "student_response, result, latency)" . "VALUES" . "({$course_id}, " . $index . "," . $lp_iv_id . ",'" . Database::escape_string($interaction[0]) . "','" . Database::escape_string($interaction[1]) . "'," . "'" . Database::escape_string($interaction[3]) . "','" . Database::escape_string($interaction[2]) . "','" . Database::escape_string($correct_resp) . "'," . "'" . Database::escape_string($interaction[5]) . "','" . Database::escape_string($interaction[6]) . "','" . Database::escape_string($interaction[7]) . "'" . ")";
Database::query($ivai_sql);
}
}
}
}
}
if (self::debug > 2) {
error_log('End of learnpathItem::write_to_db()', 0);
}
return true;
}
/**
* Writes the current data to the database
* @return boolean Query result
*/
public function write_to_db()
{
if (self::debug > 0) {
error_log('learnpathItem::write_to_db()', 0);
}
// Check the session visibility.
if (!api_is_allowed_to_session_edit()) {
if (self::debug > 0) {
error_log('return false api_is_allowed_to_session_edit');
}
return false;
}
$course_id = api_get_course_int_id();
$mode = $this->get_lesson_mode();
$credit = $this->get_credit();
$item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$sql = 'SELECT status FROM ' . $item_view_table . '
WHERE
c_id = ' . $course_id . ' AND
lp_item_id="' . $this->db_id . '" AND
lp_view_id="' . $this->view_id . '" AND
view_count="' . $this->get_attempt_id() . '" ';
$rs_verified = Database::query($sql);
$row_verified = Database::fetch_array($rs_verified);
$my_case_completed = array('completed', 'passed', 'browsed', 'failed');
$save = true;
if (isset($row_verified) && isset($row_verified['status'])) {
if (in_array($row_verified['status'], $my_case_completed)) {
$save = false;
}
}
if (($save === false && $this->type == 'sco' || $this->type == 'sco' && ($credit == 'no-credit' || $mode == 'review' || $mode == 'browse')) && ($this->seriousgame_mode != 1 && $this->type == 'sco')) {
if (self::debug > 1) {
error_log("This info shouldn't be saved as the credit or lesson mode info prevent it");
error_log('learnpathItem::write_to_db() - credit(' . $credit . ') or' . ' lesson_mode(' . $mode . ') prevent recording!', 0);
}
} else {
// Check the row exists.
$inserted = false;
// This a special case for multiple attempts and Chamilo exercises.
if ($this->type == 'quiz' && $this->get_prevent_reinit() == 0 && $this->get_status() == 'completed') {
// We force the item to be restarted.
$this->restart();
$params = array("c_id" => $course_id, "total_time" => $this->get_total_time(), "start_time" => $this->current_start_time, "score" => $this->get_score(), "status" => $this->get_status(false), "max_score" => $this->get_max(), "lp_item_id" => $this->db_id, "lp_view_id" => $this->view_id, "view_count" => $this->get_attempt_id(), "suspend_data" => $this->current_data, "lesson_location" => $this->lesson_location);
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Inserting into item_view forced: ' . print_r($params, 1), 0);
}
$this->db_item_view_id = Database::insert($item_view_table, $params);
if ($this->db_item_view_id) {
$sql = "UPDATE {$item_view_table} SET id = iid\n WHERE iid = " . $this->db_item_view_id;
Database::query($sql);
$inserted = true;
}
}
$item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$sql = "SELECT * FROM {$item_view_table}\n WHERE\n c_id = {$course_id} AND\n lp_item_id = " . $this->db_id . " AND\n lp_view_id = " . $this->view_id . " AND\n view_count = " . intval($this->get_attempt_id());
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Querying item_view: ' . $sql, 0);
}
$check_res = Database::query($sql);
// Depending on what we want (really), we'll update or insert a new row
// now save into DB.
if (!$inserted && Database::num_rows($check_res) < 1) {
$params = array("c_id" => $course_id, "total_time" => $this->get_total_time(), "start_time" => $this->current_start_time, "score" => $this->get_score(), "status" => $this->get_status(false), "max_score" => $this->get_max(), "lp_item_id" => $this->db_id, "lp_view_id" => $this->view_id, "view_count" => $this->get_attempt_id(), "suspend_data" => $this->current_data, "lesson_location" => $this->lesson_location);
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Inserting into item_view forced: ' . print_r($params, 1), 0);
}
$this->db_item_view_id = Database::insert($item_view_table, $params);
if ($this->db_item_view_id) {
$sql = "UPDATE {$item_view_table} SET id = iid\n WHERE iid = " . $this->db_item_view_id;
Database::query($sql);
}
} else {
if ($this->type == 'hotpotatoes') {
$params = array('total_time' => $this->get_total_time(), 'start_time' => $this->get_current_start_time(), 'score' => $this->get_score(), 'status' => $this->get_status(false), 'max_score' => $this->get_max(), 'suspend_data' => $this->current_data, 'lesson_location' => $this->lesson_location);
$where = array('c_id = ? AND lp_item_id = ? AND lp_view_id = ? AND view_count = ?' => array($course_id, $this->db_id, $this->view_id, $this->get_attempt_id()));
Database::update($item_view_table, $params, $where);
} else {
// For all other content types...
$my_status = ' ';
$total_time = ' ';
if ($this->type == 'quiz') {
if (!empty($_REQUEST['exeId'])) {
$TBL_TRACK_EXERCICES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$safe_exe_id = intval($_REQUEST['exeId']);
$sql = "SELECT start_date,exe_date\n FROM {$TBL_TRACK_EXERCICES}\n WHERE exe_id = {$safe_exe_id}";
$res = Database::query($sql);
$row_dates = Database::fetch_array($res);
$time_start_date = convert_sql_date($row_dates['start_date']);
$time_exe_date = convert_sql_date($row_dates['exe_date']);
$mytime = (int) $time_exe_date - (int) $time_start_date;
$total_time = " total_time = " . $mytime . ", ";
}
} else {
$my_type_lp = learnpath::get_type_static($this->lp_id);
// This is a array containing values finished
$case_completed = array('completed', 'passed', 'browsed', 'failed');
// Is not multiple attempts
if ($this->seriousgame_mode == 1 && $this->type == 'sco') {
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} elseif ($this->get_prevent_reinit() == 1) {
// Process of status verified into data base.
$sql = 'SELECT status FROM ' . $item_view_table . '
WHERE
c_id = ' . $course_id . ' AND
lp_item_id="' . $this->db_id . '" AND
lp_view_id="' . $this->view_id . '" AND
view_count="' . $this->get_attempt_id() . '"
';
$rs_verified = Database::query($sql);
$row_verified = Database::fetch_array($rs_verified);
// Get type lp: 1=lp dokeos and 2=scorm.
// If not is completed or passed or browsed and learning path is scorm.
if (!in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
// Verified into database.
if (!in_array($row_verified['status'], $case_completed) && $my_type_lp == 2) {
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} elseif (in_array($row_verified['status'], $case_completed) && $my_type_lp == 2 && $this->type != 'sco') {
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
if ($my_type_lp == 3 && $this->type == 'au' || $my_type_lp == 1 && $this->type != 'chapter') {
// Is AICC or Chamilo LP
$total_time = " total_time = total_time + " . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
}
}
}
} else {
// Multiple attempts are allowed.
if (in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
// Reset zero new attempt ?
$my_status = " status = '" . $this->get_status(false) . "' ,";
} elseif (!in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
$total_time = " total_time = " . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
// It is chamilo LP.
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
}
// This code line fixes the problem of wrong status.
if ($my_type_lp == 2) {
// Verify current status in multiples attempts.
$sql = 'SELECT status FROM ' . $item_view_table . '
WHERE
c_id = ' . $course_id . ' AND
lp_item_id="' . $this->db_id . '" AND
lp_view_id="' . $this->view_id . '" AND
view_count="' . $this->get_attempt_id() . '" ';
$rs_status = Database::query($sql);
$current_status = Database::result($rs_status, 0, 'status');
if (in_array($current_status, $case_completed)) {
$my_status = '';
$total_time = '';
} else {
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
}
}
}
}
if ($this->type == 'sco') {
//IF scorm scorm_update_time has already updated total_time in db
//" . //start_time = ".$this->get_current_start_time().", " . //scorm_init_time does it
////" max_time_allowed = '".$this->get_max_time_allowed()."'," .
$sql = "UPDATE {$item_view_table} SET\n score = " . $this->get_score() . ",\n {$my_status}\n max_score = '" . $this->get_max() . "',\n suspend_data = '" . Database::escape_string($this->current_data) . "',\n lesson_location = '" . $this->lesson_location . "'\n WHERE\n c_id = {$course_id} AND\n lp_item_id = " . $this->db_id . " AND\n lp_view_id = " . $this->view_id . " AND\n view_count = " . $this->get_attempt_id();
} else {
//" max_time_allowed = '".$this->get_max_time_allowed()."'," .
$sql = "UPDATE {$item_view_table} SET\n {$total_time}\n start_time = " . $this->get_current_start_time() . ",\n score = " . $this->get_score() . ",\n {$my_status}\n max_score = '" . $this->get_max() . "',\n suspend_data = '" . Database::escape_string($this->current_data) . "',\n lesson_location = '" . $this->lesson_location . "'\n WHERE\n c_id = {$course_id} AND\n lp_item_id = " . $this->db_id . " AND\n lp_view_id = " . $this->view_id . " AND\n view_count = " . $this->get_attempt_id();
}
$this->current_start_time = time();
}
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Updating item_view: ' . $sql, 0);
}
Database::query($sql);
}
if (is_array($this->interactions) && count($this->interactions) > 0) {
// Save interactions.
$tbl = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$sql = "SELECT id FROM {$tbl}\n WHERE\n c_id = {$course_id} AND\n lp_item_id = " . $this->db_id . " AND\n lp_view_id = " . $this->view_id . " AND\n view_count = " . $this->get_attempt_id();
$res = Database::query($sql);
if (Database::num_rows($res) > 0) {
$row = Database::fetch_array($res);
$lp_iv_id = $row[0];
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Got item_view_id ' . $lp_iv_id . ', now checking interactions ', 0);
}
foreach ($this->interactions as $index => $interaction) {
$correct_resp = '';
if (is_array($interaction[4]) && !empty($interaction[4][0])) {
foreach ($interaction[4] as $resp) {
$correct_resp .= $resp . ',';
}
$correct_resp = substr($correct_resp, 0, strlen($correct_resp) - 1);
}
$iva_table = Database::get_course_table(TABLE_LP_IV_INTERACTION);
//also check for the interaction ID as it must be unique for this SCO view
$iva_sql = "SELECT id FROM {$iva_table}\n WHERE\n c_id = {$course_id} AND\n lp_iv_id = {$lp_iv_id} AND\n (\n order_id = {$index} OR\n interaction_id = '" . Database::escape_string($interaction[0]) . "'\n )\n ";
$iva_res = Database::query($iva_sql);
// id(0), type(1), time(2), weighting(3), correct_responses(4), student_response(5), result(6), latency(7)
if (Database::num_rows($iva_res) > 0) {
// Update (or don't).
$iva_row = Database::fetch_array($iva_res);
$iva_id = $iva_row[0];
// Insert new one.
$params = array('interaction_id' => $interaction[0], 'interaction_type' => $interaction[1], 'weighting' => $interaction[3], 'completion_time' => $interaction[2], 'correct_responses' => $correct_resp, 'student_response' => $interaction[5], 'result' => $interaction[6], 'latency' => $interaction[7]);
Database::update($iva_table, $params, array('c_id = ? AND id = ?' => array($course_id, $iva_id)));
} else {
// Insert new one.
$params = array('c_id' => $course_id, 'order_id' => $index, 'lp_iv_id' => $lp_iv_id, 'interaction_id' => $interaction[0], 'interaction_type' => $interaction[1], 'weighting' => $interaction[3], 'completion_time' => $interaction[2], 'correct_responses' => $correct_resp, 'student_response' => $interaction[5], 'result' => $interaction[6], 'latency' => $interaction[7]);
$insertId = Database::insert($iva_table, $params);
if ($insertId) {
$sql = "UPDATE {$iva_table} SET id = iid\n WHERE iid = {$insertId}";
Database::query($sql);
}
}
}
}
}
}
if (self::debug > 2) {
error_log('End of learnpathItem::write_to_db()', 0);
}
return true;
}
