CRM/Lp/Page/Greeter.php

   1 <?php
   2
   3 require_once 'CRM/Core/Page.php';
   4
   5 define('DIR_SPOOL',  '/var/www/html/sites/default/files/civicrm/lp/spool');
   6 define('DIR_STORE',  '/var/www/html/sites/default/files/civicrm/lp/store');
   7 define('DIR_TEMP',   '/var/www/html/sites/default/files/civicrm/lp/tmp');
   8 define('BIN_LPSTAT', '/usr/bin/lpstat');
   9
  10 class CRM_Lp_Page_Greeter extends CRM_Core_Page {
  11
  12
  13   function getPdfs($dir) {
  14
  15     $files = scandir($dir);
  16
  17     foreach($files as $key => $file ) {
  18
  19       if(preg_match("/.*\.pdf/i", $file) === 0) {
  20         unset($files[$key]);
  21       }
  22     }
  23     return $files;
  24   }
  25
  26
  27   function getSpool() {
  28     return $this->getPdfs(DIR_SPOOL);
  29   }
  30
  31   function getStore() {
  32     return $this->getPdfs(DIR_STORE);
  33   }
  34
  35
  36   function getAll() {
  37         getSpool();
  38           getDone();
  39   }
  40
  41   function checkStatus($file) {
  42
  43     $status['status'] = $_SESSION['mode'] == 'history' ? 'Finished' : 'Not started';
  44
  45     if(file_exists(DIR_TEMP.'/'.$file.'.dat')) {
  46       $status['status'] = 'Running';
  47       $dh = fopen(DIR_TEMP.'/'.$file.'.dat', 'r');
  48       $data = fgets($dh);
  49       $status['printer'] = strstr($data, '-', true);
  50       $status['jid'] = trim(strstr($data, '-'), '-');
  51       fclose($dh);
  52     }
  53
  54     return $status;
  55   }
  56
  57   function getPrinters() {
  58     $lph = popen(BIN_LPSTAT.' -s', 'r');
  59
  60     $count = 0;
  61
  62     while($data = fgets($lph)) {
  63       if($count > 0) {
  64         $words = str_word_count($data, 1, '0123456789-_');
  65         $output[$count-1] = $words[2];
  66       }
  67       $count++;
  68     }
  69
  70     pclose($lph);
  71     return $output;
  72   }
  73
  74   function getPrinterSelect() {
  75     $lph = popen(BIN_LPSTAT.' -s', 'r');
  76
  77     $count = 0;
  78     $printers = $this->getPrinters();
  79
  80     $output = '<form action="/civicrm/lp-admin" method="POST">';
  81     $output .= 'Current Printer: <select name="printer" onchange=\'this.form.submit()\'>';
  82     foreach($printers as $printer) {
  83       if ($printer == $this->getCurrentPrinter()) {
  84         $picked = 'selected';
  85       }
  86       $output .= '<option value="'.$printer.'" '.$picked.'>'.$printer.'</option>';
  87       $picked = '';
  88     }
  89
  90     $output .= '</select>';
  91     $output .= '<noscript><input type="submit" value="Use"/></noscript>';
  92     $output .= '</form>';
  93
  94     pclose($lph);
  95     return $output;
  96   }
  97
  98   function getTable($data) {
  99     $output = '';
 100     $output .= '<table>';
 101     $output .= '<tr><th>File</th><th>Status</th><th>Actions</th></tr>';
 102
 103     foreach($data as $item) {
 104       $status = $this->checkStatus($item);
 105       $output .= '<tr>';
 106       $output .= '<td><a href="/civicrm/lp-admin?gfile='.$item.'">'.$item.'</a></td><td>'.$status['status'];
 107       if(array_key_exists('printer', $status)) $output .= ' ('.$status['printer'].' #'.$status['jid'].')';
 108       $output .= '</td><td><a href="/civicrm/lp-admin?file='.$item.'">Print</a>';
 109       $output .= ' |<a href="/civicrm/lp-admin?dfile='.$item.'"> Delete</a></td>';
 110       $output .= '</tr>';
 111     }
 112
 113     $output .= '</table>';
 114
 115     return $output;
 116   }
 117
 118   function getCurrentPrinter() {
 119     return $_SESSION['printer'];
 120   }
 121
 122   function printFile($file) {
 123     $dir = $_SESSION['mode'] == 'history' ? DIR_STORE : DIR_SPOOL;
 124
 125     $lph = popen('lp -d '.$_SESSION['printer'].' '.$dir.'/'.$file, 'r');
 126     $data = fgets($lph);
 127
 128     $words = str_word_count($data, 1, '0123456789-_');
 129     $jid = $words[3];
 130     pclose($lph);
 131
 132     /* Create a status file */
 133     $tfh = fopen(DIR_TEMP.'/'.$file.'.dat', 'w');
 134     fwrite($tfh, $jid."\n");
 135     fclose($tfh);
 136   }
 137
 138   /* FIXME: Use civicrm session functions */
 139   function initSettings() {
 140
 141     if(isset($_POST)) {
 142       if(array_key_exists('printer', $_POST)) {
 143         $_SESSION['printer'] = $_POST['printer'];
 144       }
 145     }
 146     if(isset($_GET)) {
 147       if(array_key_exists('file', $_GET)) {
 148         $this->printFile($_GET['file']);
 149         header('Location: /civicrm/lp-admin');
 150       }
 151       if(array_key_exists('mode', $_GET)) {
 152         $_SESSION['mode'] = $_GET['mode'];
 153             }
 154
 155       if(array_key_exists('gfile', $_GET)) {
 156         header('Content-Type: application/pdf');
 157         header('Content-Disposition: attachment; filename="'.$_GET['gfile'].'"');
 158
 159         if($_SESSION['mode'] == history) {
 160           echo file_get_contents(DIR_STORE.'/'.$_GET['gfile']);
 161         } else {
 162           echo file_get_contents(DIR_SPOOL.'/'.$_GET['gfile']);
 163         }
 164 //      echo DIR_SPOOL.'/'.$_GET['gfile'];
 165         exit;
 166       }
 167
 168
 169       /* FIXME: Add confirmation page */
 170       if(array_key_exists('dfile', $_GET)) {
 171         if($_SESSION['mode'] == history) {
 172           if(file_exists(DIR_STORE.'/'.$_GET['dfile'])) {
 173             unlink(DIR_STORE.'/'.$_GET['dfile']);
 174           }
 175         } else {
 176           if(file_exists(DIR_SPOOL.'/'.$_GET['dfile'])) {
 177             unlink(DIR_SPOOL.'/'.$_GET['dfile']);
 178           }
 179         }
 180
 181         header('Location: /civicrm/lp-admin');
 182
 183       }
 184
 185
 186     }
 187     if(!array_key_exists('printer', $_SESSION)) {
 188       $printers = $this->getPrinters();
 189       $_SESSION['printer'] = $printers[0];
 190     }
 191   }
 192
 193   function run() {
 194     // Example: Set the page-title dynamically; alternatively, declare a static title in xml/Menu/*.xml
 195     CRM_Utils_System::setTitle(ts('LP-Admin Console'));
 196
 197     $this->initSettings();
 198
 199     if($_SESSION['mode'] == 'history') {
 200       $spools = $this->getStore();
 201     } else {
 202       $spools = $this->getSpool();
 203     }
 204
 205     $this->assign('printers', $this->getPrinterSelect());
 206
 207     $this->assign('datatable', $this->getTable($spools));
 208
 209     parent::run();
 210   }
 211 }