<?php
/** \file include\db_questionaire.php
 *  \brief DI webinterface database functions - (evaluation) questionaire
 *  \author Rob Schalken, Core|Vision
 *  \version $Revision: 1.13 $
 *  \date $Date: 2014/06/03 16:03:23 $
 *
 * This file contains database functions for the (evaluation) questionaire.
 */


/*
 * Script template definitions
 */
define("ENQ_FEEDBACK_TEMPL_A", 1);
define("ENQ_FEEDBACK_TEMPL_B", 2);
define("ENQ_FRONT_COVER_LWB", 3);
define("ENQ_COMBI_SCRIPT", 4);
define("ENQ_SUBSCRIPTION_LIST", 5);
define("ENQ_KEY_LIST", 6);
define("ENQ_TRANSFER_TECH_MEAS", 7);
define("ENQ_FRONT_COVER_LLV", 8);
define("ENQ_WECO", 9);
define("ENQ_WECO_TRDL", 10);
define("ENQ_WECO_WORKPLACE", 11);
define("ENQ_WECO_WORKTIME", 12);
define("ENQ_WECO_NOVOLTAGE", 13);
define("ENQ_WECO_SAFETY", 14);
define("ENQ_VTI", 15);
define("ENQ_INCIDENT_REPORTING", 16);
define("ENQ_WORKING_VISIT_REPORT", 17);
define("ENQ_VHI", 18);
define("ENQ_BAM", 19);
define("ENQ_ACCEPT", 20);
define("ENQ_STRUKTON_RAIL_LLV", 21);
define("ENQ_LMRA", 22);
define("ENQ_SWITCH_LIST", 23);

/**
 * Read all questionaires for a customer
 *
 * Inputs:
 * - i18n            Language for the questionaire
 * - questionare_ids Database id for the questionaire(s)
 * - customer_ids    Customer id or array with customer ids; may be 'null'
 * - type            Select type of enquete (feedback/draaiboek/NULL)
 *
 * Returns:         Array with questionaires ('actie','id', 'datum', 'titel' and array of
 *                  questions)
 */
function db_fetch_questionaires($i18n, $questionaire_ids = NULL, $customer_ids = NULL, $type = NULL)
{
    if (!$questonaire_ids) {
        if (!$customer_ids) {
            // Search also for all underlying customers
            $row_customers = db_search_customers();

            // Add own id to array => when not in array
            $found_cust = 0;
            if (is_array($row_customers)) {
                foreach ($row_customers as $row_customer) {
                    if ($row_customer['id'] == $_PAGE_INFO['login']['customer']['id']) {
                        $found_cust = 1;
                    }
                }
            }
            if (!$found_cust) {
                $current_customer = db_fetch_customer($_PAGE_INFO['login']['customer']['id'], 1);
                array_push($row_customers, $current_customer);
            }

            // build array with customer ids
            $customer_ids = array();
            foreach ($row_customers as $row_customer)
                $customer_ids[] = $row_customer['id'];

            // All underlying templates we have, now add global templates
            array_push($customer_ids, "NULL");
        } else if (!is_array($customer_ids)) {
            // convert single customer id into an array
            $customer_ids = array($customer_ids);
        }
    } else {
        // don't use customer ids when questionaire ids are provided
        $customer_ids = null;
    }


    // get questionaire(s)
    $query = "SELECT enquete2.id,enquete2.level,enquete2.datum,enquete_i18n2.data as titel ";
    $query .= "FROM enquete2,enquete_i18n2 ";
    $query .= "WHERE ";
    $query .= "enquete2.id = enquete_i18n2.enquete AND ";

    // Use type
    if (!is_null($type)) {
        $query .= "enquete2.type ='" . $type . "' AND ";
    }

    $query .= "enquete_i18n2.i18n='" . $i18n . "' AND ";
    $query .= "enquete_i18n2.vraag IS NULL AND ";
    if ($customer_ids)
        // Check for global templates
        if (in_array("NULL", $customer_ids)) {
            $query .= "(";
        }

    $query .= "enquete2.klant IN (" . implode(",", $customer_ids) . ") ";

    // Check for global templates
    if (in_array("NULL", $customer_ids)) {
        $query .= "OR enquete2.klant is NULL) ";
    } elseif (is_array($questionaire_ids))
        $query .= "enquete2.id IN (" . implode(",", $questionaire_ids) . ")";
    else
        $query .= "enquete2.id=" . $questionaire_ids;
    $questionaires = db_fetch_data($query);

    if (!$questionaires) return FALSE;

    // build the result array
    $result = array();
    foreach ($questionaires as $questionaire) {
        $questionaire['vragen'] = db_fetch_questionaire($questionaire['id'], $i18n);
        array_push($result, $questionaire);
    }

    return $result;
}

/**
 * Read a questionaire
 * Private function, always use 'db_fetch_questionaires()'
 *
 * Inputs:
 * - dbid           Database id for the questionaire
 * - i18n           Language
 *
 * Returns:         Array with questions
 */
function db_fetch_questionaire($dbid, $i18n)
{
    // fetch the questions
    $query = "SELECT enquete_vraag2.actie,enquete_vraag2.actie,enquete_vraag2.id,enquete_vraag2.volgorde,enquete_vraag2.type,enquete_vraag2.antwoorden,enquete_i18n2.data as vraag ";
    $query .= "FROM enquete_vraag2,enquete_i18n2 ";
    $query .= "WHERE ";
    $query .= "enquete_i18n2.vraag=enquete_vraag2.id AND ";
    $query .= "enquete_vraag2.enquete=" . $dbid . " AND ";
    $query .= "enquete_i18n2.i18n='" . $i18n . "' AND ";
    $query .= "enquete_i18n2.key IS NULL ";
    $query .= "ORDER BY enquete_vraag2.volgorde";
    $questionaire = db_fetch_data($query);
    if (!$questionaire) return FALSE;

    // re-arrange the questions and get additional info
    $result = array();
    foreach ($questionaire as $question) {
        $query = "SELECT `key`,`data` ";
        $query .= "FROM enquete_i18n2 ";
        $query .= "WHERE ";
        $query .= "i18n='" . $i18n . "' AND ";
        $query .= "enquete=" . $dbid . " AND ";
        $query .= "vraag=" . $question['id'];
        $question_info = db_fetch_data($query);
        // re-arrange question_inofo
        foreach ($question_info as $question_data)
            $question_info[$question_data['key']] = $question_data['data'];
        // prepare the meta-info arrays 'match' or 'antwoorden'
        switch ($question['type']) {
            case 'text':
            case 'simpletext':
                $question['match'] = $question['antwoorden'];
                unset($question['antwoorden']);
                break;
            case 'set':
            case 'enum':
                $answers = array();
                foreach (explode(",", $question['antwoorden']) as $answer) {
                    // preserve order
                    $answers[] = array('key' => $answer, 'antwoord' => $question_info[$answer]);
                }
                $question['antwoorden'] = $answers;
                break;
        }

        $result[$question['id']] = $question;
    }

    return $result;
}

/**
 * Read a single questionaire
 *
 * Inputs:
 * - id            Question id
 *
 * Returns:         Array with question info
 */
function db_fetch_single_questionaire($id, $i18n, $dbid)
{

    // Initial values
    // $query = "SELECT * FROM enquete_vraag2 where id='" . $id . "'";


    $query = "SELECT enquete_vraag2.actie,enquete_vraag2.actie,enquete_vraag2.id,enquete_vraag2.volgorde,enquete_vraag2.type,enquete_vraag2.antwoorden,enquete_i18n2.data as vraag ";
    $query .= "FROM enquete_vraag2,enquete_i18n2 ";
    $query .= "WHERE ";
    $query .= "enquete_i18n2.vraag=enquete_vraag2.id AND ";
    $query .= "enquete_vraag2.id=" . $id . " AND ";
    $query .= "enquete_i18n2.i18n='" . $i18n . "' AND ";
    $query .= "enquete_i18n2.key IS NULL ";
    $query .= "ORDER BY enquete_vraag2.volgorde";
    $questionaire = db_fetch_data($query);

    if (!$questionaire) return FALSE;

    if (is_array($questionaire)) {

        // re-arrange the questions and get additional info
        $result = array();
        foreach ($questionaire as $question) {


            $query = "SELECT `key`,`data` ";
            $query .= "FROM enquete_i18n2 ";
            $query .= "WHERE ";
            $query .= "i18n='" . $i18n . "' AND ";
            $query .= "enquete=" . $dbid . " AND ";
            $query .= "vraag=" . $question['id'];
            $question_info = db_fetch_data($query);

            if (is_array($question_info)) {
                // re-arrange question_inofo
                foreach ($question_info as $question_data) {
                    $question_info[$question_data['key']] = $question_data['data'];
                }
                // prepare the meta-info arrays 'match' or 'antwoorden'
                switch ($question['type']) {
                    case 'text':
                    case 'simpletext':
                        $question['match'] = $question['antwoorden'];
                        unset($question['antwoorden']);
                        break;
                    case 'set':
                    case 'enum':
                        $answers = array();
                        foreach (explode(",", $question['antwoorden']) as $answer) {
                            // preserve order
                            $answers[] = array('key' => $answer, 'antwoord' => $question_info[$answer]);
                        }
                        $question['antwoorden'] = $answers;
                        break;
                }
            }

            $result[$question['id']] = $question;
        }
    } else {
        $result = $questionaire;
    }
    return $result;

}

/**
 *  Get enqeute_vraag information by enquete
 *
 *  Inputs:
 *  - enquete:                     enquete number
 *
 *  Return:                result
 */
function db_fetch_questionaires_enquete($enquete)
{
    $result = null;

    $result = db_fetch_data("SELECT * FROM enquete_vraag2 WHERE enquete='" . $enquete . "'");

    return $result;
}


/**
 * Store a questionaire
 *
 * TO DO
 */
function db_store_questionaire($user_id, $project_id, $dbid, $answers, $latitude, $longitude, $referencenr, $userTable)
{

    global $_PAGE_INFO;
    // Check coordinates
    if (is_null($latitude)) {

        if (isset($_SESSION[$_PAGE_INFO['id']]['app']['gps']['lat']) && !empty($_SESSION[$_PAGE_INFO['id']]['app']['gps']['lat'])) {
            $latitude = $_SESSION[$_PAGE_INFO['id']]['app']['gps']['lat'];
        }
    }

    if (is_null($longitude)) {
        if (isset($_SESSION[$_PAGE_INFO['id']]['app']['gps']['lon']) && !empty($_SESSION[$_PAGE_INFO['id']]['app']['gps']['lon'])) {
            $longitude = $_SESSION[$_PAGE_INFO['id']]['app']['gps']['lon'];
        }
    }

    $check_entry = db_get_enquete_entry_id($dbid, $user_id, $project_id, 0, $userTable);

    // Check if there is not already an entry for this user in combination with the enquete en project
    if (empty($check_entry)) {
        // Create  enquete entry

        // store user info etc
        $query = "INSERT INTO enquete_entry (enquete,gebruiker,project,datum,latitude,longitude,gebruiker_tabel) VALUES (";
        $query .= $dbid . ",";
        $query .= $user_id . ",";
        $query .= ($project_id ? $project_id : "NULL") . ",";
        $query .= "NOW() ,";
        $query .= (!is_numeric($latitude)) ? "NULL," : "'" . ($latitude) . "',";
        $query .= (!is_numeric($longitude)) ? "NULL," : "'" . ($longitude) . "',";
        $query .= "'$userTable'";
        $query .= ")";

        if (!db_store_data($query)) return FALSE;
        $id = db_fetch_last_id();
        DBG('create entry');
    } else {
        $id = $check_entry[0]['id'];
    }

    // Anser is array (always size of one)
    foreach ($answers as $question => $answer) {
        $query = "SELECT * FROM enquete_data WHERE enquete_entry=" . $id . " AND vraag=" . $question . " AND volgnummer=" . $referencenr . "";
    }

    $questionaire = db_fetch_data($query);

    $update = false;

    // Check if there is already an question
    if (!empty($questionaire)) {
        $update = true;
    }

    // Check if question already is stored in db
    if ($update) {

        foreach ($answers as $question => $answer) {
            // update question
            $query = "UPDATE enquete_data SET antwoord=";
            if (is_array($answer))
                $query .= "'" . specialchars(implode(",", $answer)) . "'";
            else
                $query .= "'" . specialchars($answer) . "'";

            $query .= " WHERE enquete_entry='" . $id . "' AND vraag='" . $question . "' AND volgnummer=" . $referencenr . "";
        }
        db_store_data($query);

    } else {
        // Store question
        $query = "INSERT INTO enquete_data (enquete_entry,vraag,antwoord,volgnummer) VALUES ";
        $sep = "";
        foreach ($answers as $question => $answer) {
            $query .= $sep . "(";
            $query .= $id . ",";
            $query .= $question . ",";
            if (is_array($answer))
                $query .= "'" . specialchars(implode(",", $answer)) . "',";
            else
                $query .= "'" . specialchars($answer) . "',";

            $query .= "'" . $referencenr . "'";
            $query .= ")";
            //$sep = ",";

        }
        db_store_data($query);

    }

    //return FALSE;
}

/**
 *  Get enquete_entry number
 *
 *  Inputs:
 *  - enquete:                     enquete number
 *  - user:                       user id
 *  - project:                     project id
 *  - choice:                     choice number
 *
 *  Return:                result
 */
function db_get_enquete_entry_id($enquete, $user, $project, $choice = 0, $userTable = 'gebruiker')
{
    $result = null;

    if ($choice == 0) {
        $query = "SELECT * FROM enquete_entry WHERE enquete='$enquete' AND gebruiker='$user' AND project='$project' AND gebruiker_tabel='$userTable'";
    } elseif ($choice == 1) {
        $query = "SELECT * FROM enquete_entry WHERE enquete='" . $enquete . "' AND project='" . $project . "'";
    } elseif ($choice == 2) {
        $query = "SELECT * FROM enquete_entry WHERE gebruiker='" . $user . "' AND project='" . $project . "' AND gebruiker_tabel = '$userTable'";
    } elseif ($choice == 3) {
        $query = "SELECT * FROM enquete_entry WHERE id='" . $enquete . "'";
    }
    $result = db_fetch_data($query);

    return $result;
}

/**
 *  Store enquete_entry number
 *
 *  Inputs:
 *  - enquete:                     enquete number
 *  - user:                       user id
 *  - project:                     project id
 *  - choice:                     choice number
 *
 *  Return:                result
 */
function db_store_enquete_entry_id($dbid, $user, $userTable, $project, $lat, $lon)
{
    // Create  enquete entry

    // store user info etc
    $query = "INSERT INTO enquete_entry (enquete,gebruiker,project,datum,latitude,longitude,gebruiker_tabel) VALUES (";
    $query .= $dbid . ",";
    $query .= $user . ",";
    $query .= $project . ",";
    $query .= "NOW() ,";
    $query .= "'" . $lat . "',";
    $query .= "'" . $lon . "',";
    $query .= "'$userTable'";
    $query .= ")";

    if (!db_store_data($query)) {
        return false;
    }

    return true;
}

/**
 *
 * return $result;
 * }
 *  Get question information
 *
 *  Inputs:
 *  - entry:                         enquete_entry number
 *  - choice:                     choice number
 *  - question:                     question number
 *  - answer:                     answer
 *
 *  Return:                result
 */
function db_get_question($entry, $choice = 0, $question = "", $answer = "")
{
    $result = null;

    if ($choice == 0) {
        $query = "SELECT * FROM enquete_data WHERE enquete_entry='" . $entry . "' ORDER BY vraag DESC LIMIT 1";
    } elseif ($choice == 1) {
        $query = "SELECT * FROM enquete_data WHERE enquete_entry='" . $entry . "' ORDER BY volgnummer,vraag";
    } elseif ($choice == 2) {
        $query = "SELECT * FROM enquete_data WHERE enquete_entry='" . $entry . "' AND vraag='" . $question . "' AND antwoord='" . $answer . "'";
    } elseif ($choice == 3) {
        $query = "SELECT * FROM enquete_data WHERE (enquete_entry='" . $entry . "' AND vraag='" . $question[0] . "' AND antwoord='" . $answer[0] . "') OR (enquete_entry='" . $entry . "' AND vraag='" . $question[1] . "' AND antwoord='" . $answer[1] . "')";
    } elseif ($choice == 4) {
        $query = "SELECT * FROM enquete_data WHERE enquete_entry='" . $entry . "' AND vraag='" . $question . "'";
    } elseif ($choice == 5) {
        $query = "SELECT * FROM enquete_data WHERE enquete_entry='" . $entry . "' AND volgnummer='" . $question . "'";
    } elseif ($choice == 6) {
        $query = "SELECT * FROM enquete_data WHERE vraag='" . $entry . "'";
    } elseif ($choice == 7) {
        $query = "SELECT * FROM enquete_data WHERE enquete_entry='" . $entry . "' ORDER BY volgnummer DESC LIMIT 1";
    } elseif ($choice == 8) {
        $query = "SELECT * FROM enquete_data WHERE enquete_entry='" . $entry . "' AND vraag='" . $question . "' AND antwoord='" . $answer . "'";
    }

    $result = db_fetch_data($query);

    return $result;
}

/**
 *  Delete question information from enquete_data
 *
 *  Inputs:
 *  - entry:                         enquete_entry number
 *  - refnr:                         ref number
 *
 *  Return:                1/0(ERROR)
 */
function db_delete_question($entry, $refnr, $choice = 0, $question = "")
{
    $result = 0;

    if (!$choice) {
        $query = "DELETE FROM enquete_data WHERE enquete_entry='" . $entry . "' AND volgnummer='" . $refnr . "'";
    }

    if ($choice == 1) {
        $query = "UPDATE enquete_data SET antwoord='' WHERE enquete_entry='" . $entry . "' AND volgnummer='" . $refnr . "' AND vraag='" . $question . "'";

    }

    // if(db_store_data("DELETE from enquete_data where enquete_entry='" . $entry . "' and volgnummer='" . $refnr . "';")){
    // $result = 1;
    // }

    if (db_store_data($query)) {
        $result = 1;
    }

    return $result;
}

/**
 *  Delete enquete entry from enquete_entry
 *
 *  Inputs:
 *  - entry:                         enquete_entry number
 *  - project:                     project id
 *  - user:                         user id
 *
 *  Return:                1/0(ERROR)
 */
function db_delete_enquete_entry($entry, $project, $user, $userTable)
{
    $result = 0;

    if (db_store_data("DELETE FROM enquete_entry WHERE id='$entry' AND project='$project' AND gebruiker='$user' AND gebruiker_tabel='$userTable';")) {
        $result = 1;
    }

    return $result;
}


/**
 *  Store Save flag in database
 *
 *  Inputs:
 *  - enquete_entry:         enquete_entry number
 *
 *  Return:                1/0(Error)
 */
function db_store_flag($enquete_entry)
{
    $result = 1;
    $query = "UPDATE enquete_data SET opgeslagen='yes' WHERE enquete_entry='" . $enquete_entry . "'";

    if (!db_store_data($query)) {
        $result = 0;
    }

    return $result;
}

/**
 * Update a questionaire
 *
 * TO DO
 */
function db_update_questionaire()
{
    return FALSE;
}

/**
 * Read the answers for a questionaire by id
 *
 * Inputs:
 * - dbid           Database ID, for
 * - what           The questionaire (what == 0), project ID (what == 1)
 *                  or a single entry (what = 2); see QUESTIONAIRE_xxx
 *                  defines below
 *
 * Returns:         Array with questionaire answers ('datum', 'gebruiker', 'project'
 *                  and array with "vraag"/"antwoord" pairs)
 */
define('QUESTIONAIRE_ALL', 0);
define('QUESTIONAIRE_PROJECT', 1);
define('QUESTIONAIRE_SINGLE', 2);
function db_fetch_questionaire_answers($dbid, $what, $type = NULL)
{
    $query = "SELECT enquete_entry.id,enquete_entry.gebruiker,enquete_entry.enquete,enquete_entry.project,enquete_entry.datum,enquete_entry.longitude,enquete_entry.latitude,enquete_entry.gebruiker_tabel ";
    $query .= "FROM enquete_entry ";

    // Use type
    if (!is_null($type)) {
        $query .= ",enquete2 ";
    }

    if ($what == QUESTIONAIRE_ALL)
        $query .= "WHERE enquete=" . $dbid;
    else if ($what == QUESTIONAIRE_PROJECT) {
        $query .= "WHERE project=" . $dbid . " ";

        // Use type
        if (!is_null($type)) {
            $query .= "AND enquete2.id=enquete_entry.enquete AND enquete2.type='" . $type . "' ";
        }

        $query .= "ORDER BY enquete_entry.id DESC";
    } else if ($what == QUESTIONAIRE_SINGLE)
        $query .= "WHERE id=" . $dbid;
    // else: everything by default; this is not the intended interface :-)
    if (!($result = db_fetch_data($query))) return FALSE;
    for ($i = 0; $i < count($result); $i++) {
        $query = "SELECT enquete_entry, vraag,antwoord,opgeslagen,volgnummer ";
        $query .= "FROM enquete_data ";
        $query .= "WHERE enquete_entry=" . $result[$i]['id'] . " ";
        $query .= "ORDER by vraag ";
        $result[$i]['antwoorden'] = db_fetch_data($query);
    }

    return $result;
}


/**
 *  Get answer from question by vraag and enquete_entry and volgnummer
 *
 *  Inputs:
 *  - enquete_entry:        enquete_entry number
 *  - question:             question number
 *  - refnr:                    reference number
 *
 *  Return:                 result
 */
function db_fetch_questionaire_answer($enquete_entry, $question, $refnr)
{
    $result = null;
    $query = "SELECT * FROM enquete_data WHERE vraag='" . $question . "' AND enquete_entry='" . $enquete_entry . "' AND volgnummer='" . $refnr . "';";

    $result = db_fetch_data($query);

    return $result;

}

/**
 * Store the answers for a questionaire
 *
 * Inputs:
 * - user_id        User id
 * - project_id     Project id
 * - dbid           Database id for the questionaire
 * - answers        Array with an array of answers for each question
 *
 * Returns:         Success (database id) or failure (boolean FALSE)
 */
function db_store_questionaire_answers($user_id, $project_id, $userTable, $dbid, $answers, $latitude, $longitude)
{
    global $_PAGE_INFO;

    // store user info etc
    $query = "INSERT INTO enquete_entry (enquete,gebruiker,project,datum,latitude,longitude,gebruiker_tabel) VALUES (";
    $query .= $dbid . ",";
    $query .= $user_id . ",";
    $query .= ($project_id ? $project_id : "NULL") . ",";
    $query .= "NOW() ,";
    $query .= (!is_numeric($latitude)) ? "NULL," : "'" . ($latitude) . "',";
    $query .= (!is_numeric($longitude)) ? "NULL," : "'" . ($longitude) . "',";
    $query .= "'$userTable'";
    $query .= ")";

    if (!db_store_data($query)) return FALSE;
    $id = db_fetch_last_id();

    $query = "INSERT INTO enquete_data (enquete_entry,vraag,antwoord) VALUES ";
    $sep = "";

    // Are there answers ?
    if (is_array($answers) & !empty($answers)) {
        foreach ($answers as $question => $answer) {
            $query .= $sep . "(";
            $query .= $id . ",";
            $query .= $question . ",";
            if (is_array($answer))
                $query .= "'" . specialchars(implode(",", $answer)) . "'";
            else
                $query .= "'" . specialchars($answer) . "'";
            $query .= ")";
            $sep = ",";
        }
    }

    db_store_data($query);

    if ($project_id) {
        require_once("include/report_evaluation.php");

        $file['filename'] = _("MTinfo") . " " . strtolower(_("Project")) . " " . strtolower(_("evaluation")) . "_" . str_replace("-", "", $date) . ".pdf";
        $file['mimetype'] = "application/pdf";
        $file['document'] = report_evaluation($id, "S", $user_id, $userTable);

        // Need to change the skin based on the rights holding user's company
        $rightsHoldingUserId = $user_id;

        // Get rights holding user id so we can get their company
        if ($userTable === 'gebruiker_profiel') {
            $checkInOutInfo = user_check_inout_info($project_id, $user_id, 8, $userTable);

            if (is_array($checkInOutInfo)) {
                $rightsHoldingUserId = getRightsHoldingUserId($project_id, $checkInOutInfo['lwb'], $checkInOutInfo['lwb_tabel']);
            }
        }

        // Store the original skin
        $originalSkinName =  $_SESSION[$_PAGE_INFO['id']]['skin_name'];
        $originalSkin = $_SESSION[$_PAGE_INFO['id']]['skin'];

        // Get user
        $user = db_fetch_user($rightsHoldingUserId, null, 1);
        if (is_array($user)) {
            // Get company
            $customer = db_fetch_customer($user['klant'], 1);

            if (is_array($customer) && empty($customer['skin']) === false) {
                // Define skin name
                $_SESSION[$_PAGE_INFO['id']]['skin_name'] = _(strtolower($customer['skin']));
                $_SESSION[$_PAGE_INFO['id']]['skin'] = ($_PAGE_INFO['tablet']) ? strtolower($customer['skin']) . "_tablet" : strtolower($customer['skin']);
            }
        }

        db_project_send_mail_for_file_upload($project_id, 'evaluatie', $file);

        // Restore the original skin
        $_SESSION[$_PAGE_INFO['id']]['skin_name'] = $originalSkinName;
        $_SESSION[$_PAGE_INFO['id']]['skin'] = $originalSkin;
    }

    return $id;
}


/**
 *  Fetch project questionaire (feedback templates)
 *
 *  Inputs:
 *  - project:              Project id
 *
 *  Return:                 array containing selected questionaires
 */
function db_fetch_project_questionaire($project, $level = "")
{

    if (!isset($level)) {
        // Fetch questionaires
        $questionaires = db_fetch_data("SELECT * FROM enquete_project WHERE project='" . $project . "'");
    } else if (isset($level)) {
        // Fetch questionaires
        $questionaires = db_fetch_data("SELECT * FROM enquete_project WHERE project='" . $project . "' AND level >= '" . $level . "'");
    }

    return $questionaires;
}


/**
 *  Fetch enquete (enquete info)
 *
 *  Inputs:
 *  - id:              enquete id
 *
 *  Return:            array containing selected enquete info
 */
function db_fetch_enqeute($id, $type = NULL)
{
    // Initial values
    $query = "SELECT * FROM enquete2 WHERE id='" . $id . "'";

    // Use type
    if (!is_null($type)) {
        $query .= " AND `type`='" . $type . "'";
    }

    // Fetch questionaires
    $enquete = db_fetch_data($query);

    return $enquete;
}


/**
 *  Fetch dependencies from questionaire
 *
 *  Inputs:
 *  - question:             Question id
 *  - $choice:                Choice (0/1)
 *
 *  Return:                 array containing selected dependencies
 */
function db_fetch_dependency_questionaire($question, $choice = 0)
{

    // Fetch dependencies
    if ($choice == 0) {
        // Get question with dependeny
        $dependencies = db_fetch_data("SELECT * FROM enquete_dependency2 WHERE vraag='" . $question . "'");
    } else if ($choice == 1) {
        // Get question where other question depends on
        $dependencies = db_fetch_data("SELECT * FROM enquete_dependency2 WHERE dependency='" . $question . "'");
    }

    return $dependencies;
}

/**
 *  db_fetch_enquete_translations
 *
 *  Inputs:
 *  - question:             Question id
 *  - lang:                                    language
 *
 *  Return:                 array containing selected translation
 */
function db_fetch_enquete_translations($question, $lang = 'nl', $enquete, $choice = 0)
{

    $result = 0;

    if ($question == NULL) {
        $result = db_fetch_data("SELECT * FROM enquete_i18n2 WHERE vraag IS NULL AND i18n='" . $lang . "' AND enquete='" . $enquete . "' ");
    } else {

        $query = "SELECT * FROM enquete_i18n2 WHERE vraag = '" . $question . "' AND i18n='" . $lang . "'";
        if ($choice == 1) {
            $query .= " AND `key` is NULL";
        }

        $result = db_fetch_data($query);
    }
    return $result;
}

/**
 *  Store project questionaire (feedback templates)
 *
 *  Inputs:
 *  - project:              Project id
 *  - questionaire:         Array containing selected questionaires
 *
 *  Return:                 1 (OK)/ 0(Error)
 */
function db_store_project_questionaire($project, $questionaires)
{
    // Initial return value
    $result = 0;

    // Start transaction
    db_start_transaction();

    // Delete older feedback templates
    db_store_data("DELETE FROM enquete_project WHERE project='" . $project . "'");

    if (is_array($questionaires)) {
        foreach ($questionaires as $questionaire) {
            db_store_data("INSERT INTO enquete_project(project, enquete,level) VALUES('" . $project . "','" . $questionaire['id'] . "','" . $questionaire['level'] . "')");
        }
    }

    // Commit transaction
    if (db_commit_transaction()) {
        $result = 1;
    }

    return $result;
}

/**
 *  Get question type
 *
 *  Inputs:
 *  - enquete:                enquete number
 *  - type:                    type question
 *
 *  Return:                result
 */
function db_get_questions_by_type($enquete, $type)
{
    $result = null;
    $result = db_fetch_data("SELECT * FROM enquete_vraag2 WHERE enquete='" . $enquete . "' AND type='" . $type . "'");

    return $result;

}

/**
 *  Get question with button type
 *
 *  Inputs:
 *  - enquete:                enquete number
 *
 *  Return:                 result
 */
function check_buttons($enquete)
{
    $result = null;

    $result = db_fetch_data("SELECT * FROM enquete_vraag2 WHERE enquete='" . $enquete . "' AND type LIKE 'button%'");

    return $result;
}

/**
 *  Store check in/out or request to check in/out
 *
 *  Inputs:
 *  - info:                    array with information to check /in/out the user
 *
 *  Return:                 1 (OK)/ -1(Error)
 */
function db_store_check_in_out_2($info)
{
    // Store check in data
    if (is_array($info)) {

        $query = "INSERT INTO project_incheck_uitcheck (project, gebruiker_tabel, gebruiker,gebruiker_actie, naam, mobielnr, dvp , t, latitude, longitude, actie,lwb, lwb_tabel) VALUES (";

        $query .= ($info['project_id'] ? $info['project_id'] : "NULL") . ",";
        $query .= ($info['user_table'] ? "'" . $info['user_table'] . "'" : "NULL") . ",";
        $query .= ($info['user_id'] ? $info['user_id'] : "NULL") . ",";
        $query .= ($info['user_action'] ? $info['user_action'] : "NULL") . ",";
        $query .= ($info['name'] ? "'" . $info['name'] . "'" : "NULL") . ",";
        $query .= ($info['mobile_nr'] ? "'" . $info['mobile_nr'] . "'" : "NULL") . ",";
        $query .= ($info['dvp'] ? "'" . $info['dvp'] . "'" : "NULL") . ",";
        $query .= ($info['t'] ? $info['t'] : "NULL") . ",";
        $query .= ($info['lat'] ? $info['lat'] : "NULL") . ",";
        $query .= ($info['long'] ? $info['long'] : "NULL") . ",";
        $query .= ($info['actie'] ? "'" . $info['actie'] . "'" : "NULL") . ",";
        $query .= ($info['lwb'] ? "'" . $info['lwb'] . "'" : "NULL") . ",";
        $query .= ($info['lwb_table'] ? "'" . $info['lwb_table'] . "'" : "NULL");
        $query .= ")";

        if (!db_store_data($query)) {
            return -1;
        }
    }
    return 1;
}

/**
 *  Get check in/out information
 *
 *  Inputs:
 *  - project_id:             project id
 *  - name:                               name
 *  - choice:                     choice number
 *  - mobile:                     mboile number
 *
 *  Return:                result
 */
function user_check_inout_info($project_id, $name, $choice = 0, $mobile = "", $lwbTable = null, $accessLevel = null)
{

    $result = null;
    if (!$choice) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE project='" . $project_id . "' AND naam='" . $name . "' ORDER BY t DESC;");
    } else if ($choice == 1) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE project='" . $project_id . "' AND gebruiker='" . $name . "' ORDER BY t DESC LIMIT 1;");
        return ($result[0]);
    } else if ($choice == 2) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE project='" . $project_id . "' AND naam='" . $name . "' AND mobielnr='" . $mobile . "' ORDER BY t DESC LIMIT 1;");
        return ($result[0]);
    } elseif ($choice == 3) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE project='" . $project_id . "' AND naam='" . $name . "' ORDER BY t DESC;");
        return ($result);
    } elseif ($choice == 4) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE project='" . $project_id . "' AND mobielnr='" . $mobile . "' ORDER BY t DESC LIMIT 1;");
        return ($result[0]);
    } elseif ($choice == 5) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE mobielnr='" . $mobile . "' ORDER BY t DESC LIMIT 1;");
        return ($result[0]);
    } elseif ($choice == 6) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE mobielnr LIKE '%" . $mobile . "' ORDER BY t DESC LIMIT 1;");
        return ($result[0]);
    } else if ($choice == 7) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE project='" . $project_id . "' AND naam='" . $name . "' AND mobielnr LIKE '%" . $mobile . "' ORDER BY t DESC LIMIT 1;");
        return ($result[0]);
    } else if ($choice == 8) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE project='" . $project_id . "' AND gebruiker_tabel='" . $mobile . "' AND gebruiker='" . $name . "' ORDER BY t DESC LIMIT 1;");
        return ($result[0]);
    } else if ($choice == 9) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE  gebruiker_tabel='" . $project_id . "' AND gebruiker='" . $name . "' ORDER BY t DESC LIMIT 1;");
        return ($result[0]);
    } else if ($choice == 10) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE project='" . $project_id . "' AND dvp='" . $name . "' ORDER BY t DESC LIMIT 1;");
        return ($result[0]);
    } else if ($choice == 11) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE project='" . $project_id . "' ORDER BY dvp,t DESC;");
        return ($result);
    } else if ($choice == 12) {
        $subQuery = "(SELECT b.id FROM project_incheck_uitcheck AS b WHERE a.gebruiker = b.gebruiker AND b.project='" . $project_id . "'";

        if ($lwbTable) {
            $subQuery .= " AND lwb_tabel='$lwbTable'";
        }

        $subQuery .= " ORDER BY b.t DESC LIMIT 1)";
        $query = "SELECT * FROM project_incheck_uitcheck AS a WHERE a.id = $subQuery";
        $result = db_fetch_data($query);
        return $result;
    } else if ($choice == 13) {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE project='$project_id' AND level=$accessLevel ORDER BY dvp,t DESC;");
        return ($result);
    } else {
        $result = db_fetch_data("SELECT * FROM project_incheck_uitcheck WHERE project='" . $project_id . "' AND naam='" . $name . "' ORDER BY t DESC LIMIT 2;");
        return ($result);
    }

    return ($result[0]);

}

/**
 * Returns the current access level for the provided profile and project id
 *
 * @param int $profileId The id of the profile to get the access level for
 * @param int $projectId The id of the project to get the access level for
 * @return int|bool The access level if there is one or false if the query failed
 */
function getCheckInOutAccessLevel($profileId, $projectId, $action = null)
{
    $query = "SELECT level FROM project_incheck_uitcheck WHERE gebruiker = " . $profileId .
        " AND project='" . $projectId . "'";

    if ($action) {
        $query .= " AND actie='$action'";
    }

    $query .= " ORDER BY t DESC LIMIT 1";

    $result = db_fetch_data($query);

    // Check if the result actually contains the access level
    if (is_array($result) && count($result) > 0 && array_key_exists('level', $result[0])) {
        return $result[0]['level'];
    } else {
        return false;
    }
}

/**
 * Updates the access level and work location for the provided profile and project id
 *
 * @param int $accessLevel The new access level
 * @param int $workLocation The new work location
 * @param int $profileId The id of the profile to update the access level for
 * @param int $projectId The id of the project to update the access level for
 * @return int 1 if the update succeeded or 0 if it did not
 */
function updateCheckInOutAccessLevelAndWorkLocation($accessLevel, $workLocation, $profileId, $projectId)
{
    // Start transaction
    db_start_transaction();

    // Update the access level of the signed in profile
    $query = "UPDATE project_incheck_uitcheck SET level = $accessLevel, work_location='$workLocation'
                  WHERE gebruiker = $profileId AND project = $projectId
                  ORDER BY t DESC LIMIT 1";

    $success = db_store_data($query);

    if ($success) {
        // Only need to generate a sign-in code for profiles with LEVEL 2 access
        if ($accessLevel == 9) {
            // Generate sign-in code
            $success = generateAndStoreSignInCode($profileId, $projectId, 'gebruiker_profiel_inlogcode', 'gebruiker_profiel');
        }

        // Finish transaction
        $transactionFinished = db_commit_transaction();

        if ($success) {
            // Only set the commit transaction result as the return value when the queries have succeeded
            $success = $transactionFinished;
        }
    }

    return $success;
}

/**
 *  Get check in/out information
 *
 *  Inputs:
 *  - user_level:             user level
 *  - user_project:                 current user project
 *  - current_user_level:  current user level
 *
 *  Return:                result
 */
function get_higher_project_users($user_level, $user_project, $current_user_level)
{

    if ($current_user_level == 8) {
        $result = db_fetch_data("SELECT * FROM project_gebruiker WHERE project='" . $user_project . "' AND level < '" . $user_level . "' AND rol='normaal';");
    }

    if ($current_user_level == 9) {
        $result = db_fetch_data("SELECT * FROM project_gebruiker WHERE project='" . $user_project . "' AND level <= '" . $user_level . "' AND rol='normaal';");
    }

    return ($result);
}

/**
 *  Delete entry from project_incheck_uitcheck
 *
 *  Inputs:
 *  - project:                    project id
 *  - user:                                user id
 *  - t:                                    time
 *
 *  Return:                result
 */
function delete_user_check_inout($project, $user, $t)
{
    $result = db_store_data("DELETE FROM project_incheck_uitcheck WHERE project='" . $project . "' AND gebruiker='" . $user . "' AND t='" . $t . "';");
    return $result;
}

/**
 *  Store signin/out signature on file system
 *
 *  Inputs:
 *  - signature:     signature
 *
 *  Return:  (FALSE/TRUE)
 */
function db_store_signin_signature($info)
{
    global $_RELEASE;

    // save off the identifier for the new document
    $id = $info['project_id'] . "_" . $info['user_id'] . "_" . $info['actie'] . "_" . $info['t'];

    $table = "project_incheck_uitcheck/handtekening";

    $upload_dir = realpath($_RELEASE[((is_ReleaseCandidate()) ? 'rc' : 'release')]['upload'] . strtolower($table));

    // upload directory should exist, so the error is never triggered in a release environment
    if (!$upload_dir) {
        trigger_error("Cannot save document: path \"" . $upload_dir . "\" is invalid, expanded from \"" . $_RELEASE[((is_ReleaseCandidate()) ? 'rc' : 'release')]['upload'] . strtolower($table) . "\"", E_USER_ERROR);
        return FALSE;
    }

    // Open/create handle
    $handle = fopen($upload_dir . "/" . $id, "w");

    // Write document data to file
    fwrite($handle, specialchars($info['signature']));

    // Close handle
    fclose($handle);
    return TRUE;
}

/**
 * Removes the sign-in codes linked to the provided project id and profile id combination
 * @param int $projectId The project id for which to remove the sign-in code
 * @param int $profileId The profile id for which to remove the sign-in code
 * @return int 1 (OK)/ 0(Error)
 */
function db_delete_user_profile_login_code($projectId, $profileId)
{
    return db_store_data("DELETE FROM gebruiker_profiel_inlogcode WHERE project='$projectId' AND gebruiker_profiel='$profileId'");
}