process.php ➔ process_moodle()

Complexity

Conditions	33
Paths	> 20000

Size

Total Lines	230
Code Lines	152

Duplication

Lines	41
Ratio	17.83 %

Importance

Changes	5
Bugs	1	Features	0

<?php
function process_moodle($transaction_data, $instanceid, $cid) {
    global $CFG,$USER,$DB,$course;

Use of global functionality is not recommended; it makes your code harder to test, and less reusable.

    /// Read all the data from pagseguro and get it ready for later;
    /// we expect only valid UTF-8 encoding, it is the responsibility
    /// of user to set it up properly in pagseguro business account,
    /// it is documented in docs wiki.

    $data = new stdClass();
    $a    = new stdClass();

    $transaction = array();

$transaction is not used, you could remove the assignment.

    $plugin = enrol_get_plugin('pagseguro');

    $userid   = (int) isset($USER->id) && !empty($USER->id) ? $USER->id : null;
    $courseid = (int) isset($course->id) && !empty($course->id) ? $course->id : $cid;

    $transaction_xml = unserialize($transaction_data);
    $transaction = json_decode(json_encode(simplexml_load_string($transaction_xml)));

    if($transaction) {
        foreach ($transaction as $trans_key => $trans_value) {
            $trans_key = strtolower($trans_key);
            if(!is_object($trans_value)) {
                $data->$trans_key = $trans_value;
            } else {
                foreach($trans_value as $key => $value) {
                    $key = strtolower($key);
                    if(is_object($value)) {
                        foreach($value as $k => $v) {
                            $k = strtolower($k);
                            $k = $trans_key.'_'.$key.'_'.$k;
                            $data->$k = $v;
                        }
                    } else {
                        $key = $trans_key.'_'.$key;
                        $data->$key = $value;
                    }
                }
            }
        }
    } else {
        return false;
    }

    $data->xmlstring        = trim(htmlentities($transaction_xml));
    $data->business         = $plugin->get_config('pagsegurobusiness');
    $data->receiver_email   = $plugin->get_config('pagsegurobusiness');
    $data->userid           = $userid;
    $data->courseid         = $courseid;
    $data->instanceid       = $instanceid;
    $data->timeupdated      = time();

    if(!isset($data->reference) && empty($data->reference)) {
        $data->reference    = $plugin->get_config('pagsegurobusiness');
    }

    // Get the user and course records.

    if (!$user = $DB->get_record("user", array("id" => $data->userid))) {
        message_pagseguro_error_to_admin("Not a valid user id", $data);
        return false;
    }

    if (!$course = $DB->get_record("course", array("id" => $data->courseid))) {
        message_pagseguro_error_to_admin("Not a valid course id", $data);
        return false;
    }

    if (!$context = get_context_instance(CONTEXT_COURSE, $course->id)) {
        message_pagseguro_error_to_admin("Not a valid context id", $data);
        return false;
    }

    if (!$plugin_instance = $DB->get_record("enrol", array("id" => $data->instanceid, "status" => 0))) {
        message_pagseguro_error_to_admin("Not a valid instance id", $data);
        return false;
    }

    /*
       Transaction Status -
       -- Waiting for Payment - 1
       -- In analysis - 2
       -- PAID - 3
       -- Available - 4
       -- In dispute - 5
       -- Returned - 6
       -- Cancelled - 7
     */

    switch ($data->status) {
        case COMMERCE_PAGSEGURO_STATUS_AWAITING: // Awaiting payment.
            $data->payment_status = COMMERCE_PAYMENT_STATUS_PENDING;
            break;
        case COMMERCE_PAGSEGURO_STATUS_IN_ANALYSIS: // Payment in analysis.
            $data->payment_status = COMMERCE_PAYMENT_STATUS_PENDING;
            break;
        case COMMERCE_PAGSEGURO_STATUS_PAID: // Paid.
            $data->payment_status = COMMERCE_PAYMENT_STATUS_SUCCESS;
            break;
        case COMMERCE_PAGSEGURO_STATUS_AVAILABLE: // Available.
            $data->payment_status = COMMERCE_PAYMENT_STATUS_SUCCESS;
            break;
        case COMMERCE_PAGSEGURO_STATUS_DISPUTED: // Payment disputed.
            $data->payment_status = COMMERCE_PAYMENT_STATUS_FAILURE;
            break;
        case COMMERCE_PAGSEGURO_STATUS_REFUNDED: // Payment refunded.
            $data->payment_status = COMMERCE_PAYMENT_STATUS_FAILURE;
            break;
        case COMMERCE_PAGSEGURO_STATUS_CANCELED: // Payment canceled.
            $data->payment_status = COMMERCE_PAYMENT_STATUS_FAILURE;
            break;
    }

    if (!in_array($data->status, array(COMMERCE_PAGSEGURO_STATUS_IN_ANALYSIS, COMMERCE_PAGSEGURO_STATUS_PAID, COMMERCE_PAGSEGURO_STATUS_AVAILABLE))) {
        $plugin->unenrol_user($plugin_instance, $data->userid);
        message_pagseguro_error_to_admin("Status not completed or pending. User unenrolled from course", $data);
        $error_returnurl .= "?id={$courseid}&waiting=1";

The variable $error_returnurl does not exist. Did you forget to declare it?

        header("Location: $error_returnurl");
    }

    /*if ($existing = $DB->get_record("enrol_pagseguro", array("txn_id" => $data->txn_id))) {   // Make sure this transaction doesn't exist already

63% of this comment could be valid code. Did you maybe forget this after debugging?

      message_pagseguro_error_to_admin("Transaction $data->txn_id is being repeated!", $data);
      return false;
      }*/

    $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);

    // Check that amount paid is the correct amount
    if ( (float) $plugin_instance->cost <= 0 ) {
        $cost = (float) $plugin->get_config('cost');
    } else {
        $cost = (float) $plugin_instance->cost;
    }

    if ($data->grossamount < $cost) {
        $cost = format_float($cost, 2);
        message_pagseguro_error_to_admin("Amount paid is not enough ($data->payment_gross < $cost))", $data);
        return false;
    }

    // All clear!
    $DB->insert_record("enrol_pagseguro", $data);

    if ($plugin_instance->enrolperiod) {
        $timestart = time();
        $timeend   = $timestart + $plugin_instance->enrolperiod;
    } else {
        $timestart = 0;
        $timeend   = 0;
    }

    // Enrol user
    $plugin->enrol_user($plugin_instance, $userid, $plugin_instance->roleid, $timestart, $timeend);

    // Pass $view=true to filter hidden caps if the user cannot see them
    if ($users = get_users_by_capability($context, 'moodle/course:update', 'u.*', 'u.id ASC',

This code seems to be duplicated across your project.

                '', '', '', '', false, true)) {
        $users = sort_by_roleassignment_authority($users, $context);
        $teacher = array_shift($users);
    } else {
        $teacher = get_admin();
    }

    $mailstudents = $plugin->get_config('mailstudents');
    $mailteachers = $plugin->get_config('mailteachers');
    $mailadmins   = $plugin->get_config('mailadmins');
    $shortname = format_string($course->shortname, true, array('context' => $context));

    if (!empty($mailstudents)) {

This code seems to be duplicated across your project.

        $a->coursename = format_string($course->fullname, true, array('context' => $coursecontext));
        $a->profileurl = "$CFG->wwwroot/user/view.php?id=$user->id";

        $eventdata = new stdClass();
        $eventdata->modulename        = 'moodle';
        $eventdata->component         = 'enrol_pagseguro';
        $eventdata->name              = 'pagseguro_enrolment';
        $eventdata->userfrom          = $teacher;
        $eventdata->userto            = $user;
        $eventdata->subject           = get_string("enrolmentnew", 'enrol', $shortname);
        $eventdata->fullmessage       = get_string('welcometocoursetext', '', $a);
        $eventdata->fullmessageformat = FORMAT_PLAIN;
        $eventdata->fullmessagehtml   = '';
        $eventdata->smallmessage      = '';
        message_send($eventdata);
    }

    if (!empty($mailteachers)) {

This code seems to be duplicated across your project.

        $a->course = format_string($course->fullname, true, array('context' => $coursecontext));
        $a->user = fullname($user);

        $eventdata = new stdClass();
        $eventdata->modulename        = 'moodle';
        $eventdata->component         = 'enrol_pagseguro';
        $eventdata->name              = 'pagseguro_enrolment';
        $eventdata->userfrom          = $user;
        $eventdata->userto            = $teacher;
        $eventdata->subject           = get_string("enrolmentnew", 'enrol', $shortname);
        $eventdata->fullmessage       = get_string('enrolmentnewuser', 'enrol', $a);
        $eventdata->fullmessageformat = FORMAT_PLAIN;
        $eventdata->fullmessagehtml   = '';
        $eventdata->smallmessage      = '';
        message_send($eventdata);
    }

    if (!empty($mailadmins)) {
        $a->course = format_string($course->fullname, true, array('context' => $coursecontext));
        $a->user = fullname($user);
        $admins = get_admins();
        foreach ($admins as $admin) {
            $eventdata = new stdClass();
            $eventdata->modulename        = 'moodle';
            $eventdata->component         = 'enrol_pagseguro';
            $eventdata->name              = 'pagseguro_enrolment';
            $eventdata->userfrom          = $user;
            $eventdata->userto            = $admin;
            $eventdata->subject           = get_string("enrolmentnew", 'enrol', $shortname);
            $eventdata->fullmessage       = get_string('enrolmentnewuser', 'enrol', $a);
            $eventdata->fullmessageformat = FORMAT_PLAIN;
            $eventdata->fullmessagehtml   = '';
            $eventdata->smallmessage      = '';

            message_send($eventdata);
        }
    }

    $success_returnurl = $CFG->wwwroot.'/enrol/pagseguro/return.php?id='.$courseid;
    header("Location: $success_returnurl");
}