controllers/C_Document.class.php

   1 <?php
   2 // This program is free software; you can redistribute it and/or
   3 // modify it under the terms of the GNU General Public License
   4 // as published by the Free Software Foundation; either version 2
   5 // of the License, or (at your option) any later version.
   6
   7 require_once(dirname(__FILE__) . "/../library/classes/Controller.class.php");
   8 require_once(dirname(__FILE__) . "/../library/classes/Document.class.php");
   9 require_once(dirname(__FILE__) . "/../library/classes/CategoryTree.class.php");
  10 require_once(dirname(__FILE__) . "/../library/classes/TreeMenu.php");
  11 require_once(dirname(__FILE__) . "/../library/classes/Note.class.php");
  12 require_once(dirname(__FILE__) . "/../library/classes/CouchDB.class.php");
  13
  14 class C_Document extends Controller {
  15
  16         var $template_mod;
  17         var $documents;
  18         var $document_categories;
  19         var $tree;
  20         var $_config;
  21         var $file_path;
  22
  23
  24         function C_Document($template_mod = "general") {
  25                 parent::Controller();
  26                 $this->documents = array();
  27                 $this->template_mod = $template_mod;
  28                 $this->assign("FORM_ACTION", $GLOBALS['webroot']."/controller.php?" . $_SERVER['QUERY_STRING']);
  29                 $this->assign("CURRENT_ACTION", $GLOBALS['webroot']."/controller.php?" . "document&");
  30
  31                 //get global config options for this namespace
  32                 $this->_config = $GLOBALS['oer_config']['documents'];
  33                 if($GLOBALS['document_storage_method']==1){
  34                         $this->file_path = $GLOBALS['OE_SITE_DIR'].'/documents/temp/';
  35                 }
  36                 else{
  37                 $this->file_path = $this->_config['repository'] . preg_replace("/[^A-Za-z0-9]/","_",$_GET['patient_id']) . "/";
  38                 }
  39                 $this->_args = array("patient_id" => $_GET['patient_id']);
  40
  41                 $this->assign("STYLE", $GLOBALS['style']);
  42                 $t = new CategoryTree(1);
  43                 //print_r($t->tree);
  44                 $this->tree = $t;
  45         }
  46
  47         function upload_action($patient_id,$category_id) {
  48                 $category_name = $this->tree->get_node_name($category_id);
  49                 $this->assign("category_id", $category_id);
  50                 $this->assign("category_name", $category_name);
  51                 $this->assign("hide_encryption", $GLOBALS['hide_document_encryption'] );
  52                 $this->assign("patient_id", $patient_id);
  53                 $activity = $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_upload.html");
  54                 $this->assign("activity", $activity);
  55                 return $this->list_action($patient_id);
  56         }
  57
  58         //Upload multiple files on single click
  59         function upload_action_process() {
  60                 $couchDB = false;
  61                 $harddisk = false;
  62                 if($GLOBALS['document_storage_method']==0){
  63                         $harddisk = true;
  64                 }
  65                 if($GLOBALS['document_storage_method']==1){
  66                         $couchDB = true;
  67                 }
  68
  69                 if ($_POST['process'] != "true")
  70                         return;
  71
  72                 $doDecryption = false;
  73                 $encrypted = $_POST['encrypted'];
  74                 $passphrase = $_POST['passphrase'];
  75                 if ( !$GLOBALS['hide_document_encryption'] &&
  76                         $encrypted && $passphrase ) {
  77                         $doDecryption = true;
  78                 }
  79
  80                 if (is_numeric($_POST['category_id'])) {
  81                         $category_id = $_POST['category_id'];
  82                 }
  83                 if (is_numeric($_POST['patient_id'])) {
  84                         $patient_id = $_POST['patient_id'];
  85                 }
  86
  87                 $sentUploadStatus = array();
  88                 if( count($_FILES['file']['name']) > 0){
  89                         $upl_inc = 0;
  90                         foreach($_FILES['file']['name'] as $key => $value){
  91                                 $fname = $value;
  92                                 $err = "";
  93                                 if ($_FILES['file']['error'][$key] > 0 || empty($fname) || $_FILES['file']['size'][$key] == 0) {
  94                                         $fname = $value;
  95                                         if (empty($fname)) {
  96                                                 $fname = htmlentities("<empty>");
  97                                         }
  98                                         $error = "Error number: " . $_FILES['file']['error'][$key] . " occured while uploading file named: " . $fname . "\n";
  99                                         if ($_FILES['file']['size'][$key] == 0) {
 100                                                 $error .= "The system does not permit uploading files of with size 0.\n";
 101                                         }
 102                                 }else{
 103
 104                                         if (!file_exists($this->file_path)) {
 105                                                 if (!mkdir($this->file_path,0700)) {
 106                                                         $error .= "The system was unable to create the directory for this upload, '" . $this->file_path . "'.\n";
 107                                                 }
 108                                         }
 109
 110                                         if ( $_POST['destination'] != '' ) {
 111                                                 $fname = $_POST['destination'];
 112                                         }
 113                                         $fname = preg_replace("/[^a-zA-Z0-9_.]/","_",$fname);
 114                                         if (file_exists($this->file_path.$fname)) {
 115                                                 $error .= xl('File with same name already exists at location:','','',' ') . $this->file_path . "\n";
 116                                                 $fname = basename($this->_rename_file($this->file_path.$fname));
 117                                                 $_FILES['file']['name'][$key] = $fname;
 118                                                 $error .= xl('Current file name was changed to','','',' ') . $fname ."\n";
 119                                         }
 120
 121                                         if ( $doDecryption ) {
 122                                                 $tmpfile = fopen( $_FILES['file']['tmp_name'][$key] , "r" );
 123                                                 $filetext = fread( $tmpfile, $_FILES['file']['size'][$key]  );
 124                                                 $plaintext = $this->decrypt( $filetext, $passphrase );
 125                                                 fclose($tmpfile);
 126                                                 unlink( $_FILES['file']['tmp_name'][$key] );
 127                                                 $tmpfile = fopen( $_FILES['file']['tmp_name'][$key], "w+" );
 128                                                 fwrite( $tmpfile, $plaintext );
 129                                                 fclose( $tmpfile );
 130                                                 $_FILES['file']['size'][$key] = filesize( $_FILES['file']['tmp_name'][$key] );
 131                                         }
 132
 133                                         $docid = '';
 134                                         $resp = '';
 135                                         if($couchDB == true){
 136                                                 $couch = new CouchDB();
 137                                                 $docname = $_SESSION['authId'].$patient_id.$encounter.$fname.date("%Y-%m-%d H:i:s");
 138                                                 $docid = $couch->stringToId($docname);
 139                                                 $tmpfile = fopen( $_FILES['file']['tmp_name'][$key], "rb" );
 140                                                 $filetext = fread( $tmpfile, $_FILES['file']['size'][$key] );
 141                                                 fclose( $tmpfile );
 142                                                 //--------Temporarily writing the file for calculating the hash--------//
 143                                                 //-----------Will be removed after calculating the hash value----------//
 144                                                 $temp_file = fopen($this->file_path.$fname,"w");
 145                                                 fwrite($temp_file,$filetext);
 146                                                 fclose($temp_file);
 147                                                 //---------------------------------------------------------------------//
 148
 149                                                 $json = json_encode(base64_encode($filetext));
 150                                                 $db = $GLOBALS['couchdb_dbase'];
 151                                                 $data = array($db,$docid,$patient_id,$encounter,$_FILES['file']['type'][$key],$json);
 152                                                 $resp = $couch->check_saveDOC($data);
 153                                                 if(!$resp->id || !$resp->_rev){
 154                                                         $data = array($db,$docid,$patient_id,$encounter);
 155                                                         $resp = $couch->retrieve_doc($data);
 156                                                         $docid = $resp->_id;
 157                                                         $revid = $resp->_rev;
 158                                                 }
 159                                                 else{
 160                                                         $docid = $resp->id;
 161                                                         $revid = $resp->rev;
 162                                                 }
 163                                                 if(!$docid && !$revid){ //if couchdb save failed
 164                                                         $error .=  "<font color='red'><b>".xl("The file could not be saved to CouchDB.") . "</b></font>\n";
 165                                                         if($GLOBALS['couchdb_log']==1){
 166                                                                 ob_start();
 167                                                                 var_dump($resp);
 168                                                                 $couchError=ob_get_clean();
 169                                                                 $log_content = date('Y-m-d H:i:s')." ==> Uploading document: ".$fname."\r\n";
 170                                                                 $log_content .= date('Y-m-d H:i:s')." ==> Failed to Store document content to CouchDB.\r\n";
 171                                                                 $log_content .= date('Y-m-d H:i:s')." ==> Document ID: ".$docid."\r\n";
 172                                                                 $log_content .= date('Y-m-d H:i:s')." ==> ".print_r($data,1)."\r\n";
 173                                                                 $log_content .= $couchError;
 174                                                                 $this->document_upload_download_log($patient_id,$log_content);//log error if any, for testing phase only
 175                                                         }
 176                                                 }
 177                                         }
 178
 179                                         if($harddisk == true){
 180                                                 $uploadSuccess = false;
 181                                                 if(move_uploaded_file($_FILES['file']['tmp_name'][$key],$this->file_path.$fname)){
 182                                                         $uploadSuccess = true;
 183                                                 }
 184                                                 else{
 185                                                         $error .= xl("The file could not be succesfully stored, this error is usually related to permissions problems on the storage system")."\n";
 186                                                 }
 187                                         }
 188
 189                                         $this->assign("upload_success", "true");
 190                                         $d = new Document();
 191                                         $d->storagemethod = $GLOBALS['document_storage_method'];
 192                                         if($harddisk == true)
 193                                                 $d->url = "file://" .$this->file_path.$fname;
 194                                         else
 195                                                 $d->url = $fname;
 196                                         if($couchDB == true){
 197                                                 $d->couch_docid = $docid;
 198                                                 $d->couch_revid = $revid;
 199                                         }
 200                                         if ($_FILES['file']['type'][$key] == 'text/xml') {
 201                                                 $d->mimetype = 'application/xml';
 202                                         }
 203                                         else {
 204                                                 $d->mimetype = $_FILES['file']['type'][$key];
 205                                         }
 206                                         $d->size = $_FILES['file']['size'][$key];
 207                                         $d->owner = $_SESSION['authUserID'];
 208                                         $sha1Hash = sha1_file( $this->file_path.$fname );
 209                                         if($couchDB == true){
 210                                                 //Removing the temporary file which is used to create the hash
 211                                                 unlink($this->file_path.$fname);
 212                                         }
 213                                         $d->hash = $sha1Hash;
 214                                         $d->type = $d->type_array['file_url'];
 215                                         $d->set_foreign_id($patient_id);
 216                                         if($harddisk == true || ($couchDB == true && $docid && $revid)){
 217                                                 $d->persist();
 218                                                 $d->populate();
 219                                         }
 220                                         $sentUploadStatus[] = $d;
 221                                         $this->assign("file",$sentUploadStatus);
 222
 223                                         if (is_numeric($d->get_id()) && is_numeric($category_id)){
 224                                                 $sql = "REPLACE INTO categories_to_documents set category_id = '" . $category_id . "', document_id = '" . $d->get_id() . "'";
 225                                                 $d->_db->Execute($sql);
 226                                         }
 227                                         if($GLOBALS['couchdb_log']==1 && $log_content!=''){
 228                                                 $log_content .= "\r\n\r\n";
 229                                                 $this->document_upload_download_log($patient_id,$log_content);
 230                                         }
 231                                 }
 232                         }
 233                 }
 234
 235                 $this->assign("error", nl2br($error));
 236                 //$this->_state = false;
 237                 $_POST['process'] = "";
 238                 //return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_upload.html");
 239         }
 240
 241         function note_action_process($patient_id) {
 242
 243                 if ($_POST['process'] != "true")
 244                         return;
 245
 246                 $n = new Note();
 247                 parent::populate_object($n);
 248                 $n->persist();
 249
 250                 $this->_state = false;
 251                 $_POST['process'] = "";
 252                 return $this->view_action($patient_id,$n->get_foreign_id());
 253         }
 254
 255         function default_action() {
 256                 return $this->list_action();
 257         }
 258
 259         function view_action($patient_id="",$doc_id) {
 260                 // Added by Rod to support document delete:
 261                 global $gacl_object, $phpgacl_location;
 262                 global $ISSUE_TYPES;
 263
 264                 require_once(dirname(__FILE__) . "/../library/acl.inc");
 265                 require_once(dirname(__FILE__) . "/../library/lists.inc");
 266
 267                 $d = new Document($doc_id);
 268                 $n = new Note();
 269
 270                 $notes = $n->notes_factory($doc_id);
 271
 272                 $this->assign("file", $d);
 273                 $this->assign("web_path", $this->_link("retrieve") . "document_id=" . $d->get_id() . "&");
 274                 $this->assign("NOTE_ACTION",$this->_link("note"));
 275                 $this->assign("MOVE_ACTION",$this->_link("move") . "document_id=" . $d->get_id() . "&process=true");
 276                 $this->assign("hide_encryption", $GLOBALS['hide_document_encryption'] );
 277
 278                 // Added by Rod to support document delete:
 279                 $delete_string = '';
 280                 if (acl_check('admin', 'super')) {
 281                         $delete_string = "<a href='' class='css_button' onclick='return deleteme(" . $d->get_id() .
 282                                 ")'><span><font color='red'>" . xl('Delete') . "</font></span></a>";
 283                 }
 284                 $this->assign("delete_string", $delete_string);
 285                 $this->assign("REFRESH_ACTION",$this->_link("list"));
 286
 287                 $this->assign("VALIDATE_ACTION",$this->_link("validate") .
 288                         "document_id=" . $d->get_id() . "&process=true");
 289
 290                 // Added by Rod to support document date update:
 291                 $this->assign("DOCDATE", $d->get_docdate());
 292                 $this->assign("UPDATE_ACTION",$this->_link("update") .
 293                         "document_id=" . $d->get_id() . "&process=true");
 294
 295                 // Added by Rod to support document issue update:
 296                 $issues_options = "<option value='0'>-- " . xl('Select Issue') . " --</option>";
 297                 $ires = sqlStatement("SELECT id, type, title, begdate FROM lists WHERE " .
 298                         "pid = $patient_id " . // AND enddate IS NULL " .
 299                         "ORDER BY type, begdate");
 300                 while ($irow = sqlFetchArray($ires)) {
 301                         $desc = $irow['type'];
 302                         if ($ISSUE_TYPES[$desc]) $desc = $ISSUE_TYPES[$desc][2];
 303                         $desc .= ": " . $irow['begdate'] . " " . htmlspecialchars(substr($irow['title'], 0, 40));
 304                         $sel = ($irow['id'] == $d->get_list_id()) ? ' selected' : '';
 305                         $issues_options .= "<option value='" . $irow['id'] . "'$sel>$desc</option>";
 306                 }
 307                 $this->assign("ISSUES_LIST", $issues_options);
 308
 309                 $this->assign("notes",$notes);
 310
 311                 $this->_last_node = null;
 312
 313                 $menu  = new HTML_TreeMenu();
 314
 315                 //pass an empty array because we don't want the documents for each category showing up in this list box
 316                 $rnode = $this->_array_recurse($this->tree->tree,array());
 317                 $menu->addItem($rnode);
 318                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array("promoText" => xl('Move Document to Category:')));
 319
 320                 $this->assign("tree_html_listbox",$treeMenu_listbox->toHTML());
 321
 322                 $activity = $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_view.html");
 323                 $this->assign("activity", $activity);
 324
 325                 return $this->list_action($patient_id);
 326         }
 327
 328         function encrypt( $plaintext, $key, $cypher = 'tripledes', $mode = 'cfb' )
 329     {
 330         $td = mcrypt_module_open( $cypher, '', $mode, '');
 331         $iv = mcrypt_create_iv( mcrypt_enc_get_iv_size( $td ), MCRYPT_RAND );
 332         mcrypt_generic_init( $td, $key, $iv );
 333         $crypttext = mcrypt_generic( $td, $plaintext );
 334         mcrypt_generic_deinit( $td );
 335         return $iv.$crypttext;
 336     }
 337
 338     function decrypt( $crypttext, $key, $cypher = 'tripledes', $mode = 'cfb' )
 339     {
 340         $plaintext = '';
 341         $td = mcrypt_module_open( $cypher, '', $mode, '' );
 342         $ivsize = mcrypt_enc_get_iv_size( $td) ;
 343         $iv = substr( $crypttext, 0, $ivsize );
 344         $crypttext = substr( $crypttext, $ivsize );
 345         if( $iv )
 346         {
 347             mcrypt_generic_init( $td, $key, $iv );
 348             $plaintext = mdecrypt_generic( $td, $crypttext );
 349         }
 350         return $plaintext;
 351     }
 352
 353
 354         function retrieve_action($patient_id="",$document_id,$as_file=true,$original_file=true) {
 355
 356             $encrypted = $_POST['encrypted'];
 357                 $passphrase = $_POST['passphrase'];
 358                 $doEncryption = false;
 359                 if ( !$GLOBALS['hide_document_encryption'] &&
 360                     $encrypted == "true" &&
 361                     $passphrase ) {
 362                     $doEncryption = true;
 363                 }
 364
 365                 //controller function ruins booleans, so need to manually re-convert to booleans
 366                 if ($as_file == "true") {
 367                         $as_file=true;
 368                 }
 369                 else if ($as_file == "false") {
 370                         $as_file=false;
 371                 }
 372                 if ($original_file == "true") {
 373                         $original_file=true;
 374                 }
 375                 else if ($original_file == "false") {
 376                         $original_file=false;
 377                 }
 378
 379                 $d = new Document($document_id);
 380                 $url =  $d->get_url();
 381                 $storagemethod = $d->get_storagemethod();
 382                 $couch_docid = $d->get_couch_docid();
 383                 $couch_revid = $d->get_couch_revid();
 384
 385                 if($couch_docid && $couch_revid && $original_file){
 386                         $couch = new CouchDB();
 387                         $data = array($GLOBALS['couchdb_dbase'],$couch_docid);
 388                         $resp = $couch->retrieve_doc($data);
 389                         $content = $resp->data;
 390                         if($content=='' && $GLOBALS['couchdb_log']==1){
 391                                 $log_content = date('Y-m-d H:i:s')." ==> Retrieving document\r\n";
 392                                 $log_content = date('Y-m-d H:i:s')." ==> URL: ".$url."\r\n";
 393                                 $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Document Id: ".$couch_docid."\r\n";
 394                                 $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Revision Id: ".$couch_revid."\r\n";
 395                                 $log_content .= date('Y-m-d H:i:s')." ==> Failed to fetch document content from CouchDB.\r\n";
 396                                 $log_content .= date('Y-m-d H:i:s')." ==> Will try to download file from HardDisk if exists.\r\n\r\n";
 397                                 $this->document_upload_download_log($d->get_foreign_id(),$log_content);
 398                                 die(xl("File retrieval from CouchDB failed"));
 399                         }
 400                         header('Content-Description: File Transfer');
 401                         header('Content-Transfer-Encoding: binary');
 402                         header('Expires: 0');
 403                         header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 404                         header('Pragma: public');
 405                         $tmpcouchpath = $GLOBALS['OE_SITE_DIR'].'/documents/temp/couch_'.date("YmdHis").$d->get_url_file();
 406                         $fh = fopen($tmpcouchpath,"w");
 407                         fwrite($fh,base64_decode($content));
 408                         fclose($fh);
 409                         $f = fopen($tmpcouchpath,"r");
 410                         if ( $doEncryption ) {
 411                                 $filetext = fread( $f, filesize($tmpcouchpath) );
 412                                 $ciphertext = $this->encrypt( $filetext, $passphrase );
 413                                 $tmpfilepath = $GLOBALS['temporary_files_dir'];
 414                                 $tmpfilename = "/encrypted_".$d->get_url_file();
 415                                 $tmpfile = fopen( $tmpfilepath.$tmpfilename, "w+" );
 416                                 fwrite( $tmpfile, $ciphertext );
 417                                 fclose( $tmpfile );
 418                                 header('Content-Disposition: attachment; filename='.$tmpfilename );
 419                                 header("Content-Type: application/octet-stream" );
 420                                 header("Content-Length: " . filesize( $tmpfilepath.$tmpfilename ) );
 421                                 ob_clean();
 422                                 flush();
 423                                 readfile( $tmpfilepath.$tmpfilename );
 424                                 unlink( $tmpfilepath.$tmpfilename );
 425                         } else {
 426                                 header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename($d->get_url()) . "\"");
 427                                 header("Content-Type: " . $d->get_mimetype());
 428                                 header("Content-Length: " . filesize($tmpcouchpath));
 429                                 fpassthru($f);
 430                         }
 431                         fclose($f);
 432                         if($content!='')
 433                         unlink($tmpcouchpath);
 434                         exit;//exits only if file download from CouchDB is successfull.
 435                 }
 436                 //strip url of protocol handler
 437                 $url = preg_replace("|^(.*)://|","",$url);
 438
 439                 //change full path to current webroot.  this is for documents that may have
 440                 //been moved from a different filesystem and the full path in the database
 441                 //is not current.  this is also for documents that may of been moved to
 442                 //different patients
 443                 // NOTE that $from_filename and basename($url) are the same thing
 444                 $from_all = explode("/",$url);
 445                 $from_filename = array_pop($from_all);
 446                 $from_patientid = array_pop($from_all);
 447     if($couch_docid && $couch_revid){
 448         //for couchDB no URL is available in the table, hence using the foreign_id which is patientID
 449         $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/temp/' . $d->get_foreign_id() . '_' . $from_filename;
 450
 451         }
 452         else{
 453         $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_patientid . '/' . $from_filename;
 454         }
 455
 456                 if (file_exists($temp_url)) {
 457                         $url = $temp_url;
 458                 }
 459
 460
 461                 if (!file_exists($url)) {
 462                         echo xl('The requested document is not present at the expected location on the filesystem or there are not sufficient permissions to access it.','','',' ') . $url;
 463
 464                 }
 465                 else {
 466                         if ($original_file) {
 467                             //normal case when serving the file referenced in database
 468                 header('Content-Description: File Transfer');
 469                 header('Content-Transfer-Encoding: binary');
 470                 header('Expires: 0');
 471                 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 472                 header('Pragma: public');
 473                             $f = fopen($url,"r");
 474                             if ( $doEncryption ) {
 475                                         $filetext = fread( $f, filesize($url) );
 476                                 $ciphertext = $this->encrypt( $filetext, $passphrase );
 477                                 $tmpfilepath = $GLOBALS['temporary_files_dir'];
 478                                 $tmpfilename = "/encrypted_".$d->get_url_file();
 479                                 $tmpfile = fopen( $tmpfilepath.$tmpfilename, "w+" );
 480                     fwrite( $tmpfile, $ciphertext );
 481                     fclose( $tmpfile );
 482                     header('Content-Disposition: attachment; filename='.$tmpfilename );
 483                                 header("Content-Type: application/octet-stream" );
 484                                 header("Content-Length: " . filesize( $tmpfilepath.$tmpfilename ) );
 485                                 ob_clean();
 486                             flush();
 487                             readfile( $tmpfilepath.$tmpfilename );
 488                     unlink( $tmpfilepath.$tmpfilename );
 489                             } else {
 490                                 header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename($d->get_url()) . "\"");
 491                                 header("Content-Type: " . $d->get_mimetype());
 492                                 header("Content-Length: " . filesize($url));
 493                                 fpassthru($f);
 494                             }
 495                             exit;
 496                         }
 497                         else {
 498                             //special case when retrieving a document that has been converted to a jpg and not directly referenced in database
 499                                 $convertedFile = substr(basename($url), 0, strrpos(basename($url), '.')) . '_converted.jpg';
 500                                 if($couch_docid && $couch_revid){
 501                                 $url = $GLOBALS['OE_SITE_DIR'] . '/documents/temp/' . $convertedFile;
 502                                 }
 503                                 else{
 504                                 $url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_patientid . '/' . $convertedFile;
 505                 }
 506                                 header("Pragma: public");
 507                             header("Expires: 0");
 508                             header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
 509                             header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename($url) . "\"");
 510                             header("Content-Type: image/jpeg");
 511                             header("Content-Length: " . filesize($url));
 512                             $f = fopen($url,"r");
 513                             fpassthru($f);
 514                                 if($couch_docid && $couch_revid){
 515                                 fclose($f);
 516                                 unlink($url);
 517                                 $url=str_replace("_converted.jpg",'.pdf',$url);
 518                                 unlink($url);
 519                                 }
 520                             exit;
 521                         }
 522                 }
 523         }
 524
 525         function queue_action($patient_id="") {
 526                 $messages = $this->_tpl_vars['messages'];
 527                 $queue_files = array();
 528
 529                 //see if the repository exists and it is a directory else error
 530                 if (file_exists($this->_config['repository']) && is_dir($this->_config['repository'])) {
 531                         $dir = opendir($this->_config['repository']);
 532                         //read each entry in the directory
 533                         while (($file = readdir($dir)) !== false) {
 534                                 //concat the filename and path
 535                                 $file = $this->_config['repository'] .$file;
 536                                 $file_info = array();
 537                                 //if the filename is a file get its info and put into a tmp array
 538                                 if (is_file($file) && strpos(basename($file),".") !== 0) {
 539                                         $file_info['filename'] = basename($file);
 540                                         $file_info['mtime'] = date("m/d/Y H:i:s",filemtime($file));
 541                                         $d = Document::document_factory_url("file://" . $file);
 542                                         preg_match("/^([0-9]+)_/",basename($file),$patient_match);
 543                                         $file_info['patient_id'] = $patient_match[1];
 544                                         $file_info['document_id'] = $d->get_id();
 545                                         $file_info['web_path'] = $this->_link("retrieve",true) . "document_id=" . $d->get_id() . "&";
 546
 547                                         //merge the tmp array into the larger array
 548                                         $queue_files[] = $file_info;
 549                                 }
 550                 }
 551                 closedir($dir);
 552                 }
 553                 else {
 554                         $messages .= "The repository directory does not exist, it is not a directory or there are not sufficient permissions to access it. '" . $this->config['repository'] . "'\n";
 555                 }
 556
 557
 558                 $this->assign("queue_files",$queue_files);
 559                 $this->_last_node = null;
 560
 561                 $menu  = new HTML_TreeMenu();
 562
 563                 //pass an empty array because we don't want the documents for each category showing up in this list box
 564                 $rnode = $this->_array_recurse($this->tree->tree,array());
 565                 $menu->addItem($rnode);
 566                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array());
 567
 568                 $this->assign("tree_html_listbox",$treeMenu_listbox->toHTML());
 569
 570                 $this->assign("messages",nl2br($messages));
 571                 return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_queue.html");
 572         }
 573
 574         function queue_action_process() {
 575                 if ($_POST['process'] != "true")
 576                         return;
 577
 578                 $messages = $this->_tpl_vars['messages'];
 579
 580                 //build a category tree so we can have a list of category ids that are valid
 581                 $ct = new CategoryTree(1);
 582                 $categories = $ct->_id_name;
 583
 584                 //see if there were and posted files and assign them
 585                 $files = null;
 586                 is_array($_POST['files']) ? $files = $_POST['files']: $files = array();
 587
 588                 //loop through posted files
 589                 foreach($files as $doc_id=> $file) {
 590                         //only operate on files checked as active
 591                         if (!$file['active']) continue;
 592
 593                         //run basic validation checks
 594                         if (!is_numeric($file['patient_id']) || !is_numeric($file['category_id']) || !is_numeric($doc_id)) {
 595                                 $messages .= "Error processing file '" . $file['name'] ."' the patient id must be a number and the category must exist.\n";
 596                                 continue;
 597                         }
 598
 599                         //validate that the pod exists
 600                         $d = new Document($doc_id);
 601                         $sql = "SELECT pid from patient_data where pubpid = '" . $file['patient_id'] . "'";
 602                         $result = $d->_db->Execute($sql);
 603
 604                         if (!$result || $result->EOF) {
 605                                 //patient id does not exist
 606                                 $messages .= "Error processing file '" . $file['name'] ." the specified patient id '" . $file['patient_id'] . "' could not be found.\n";
 607                                 continue;
 608                         }
 609
 610                         //validate that the category id exists
 611                         if (!isset($categories[$file['category_id']])) {
 612                                 $messages .= "Error processing file '" . $file['name'] . " the specified category with id '" . $file['category_id'] . "' could not be found.\n";
 613                                 continue;
 614                         }
 615
 616                         //now do the work of moving the file
 617                         $new_path = $this->_config['repository'] . $file['patient_id'] ."/";
 618
 619                         //see if the patient dir exists in the repository and create if not
 620                         if (!file_exists($new_path)) {
 621                                 if (!mkdir($new_path,0700)) {
 622                                         $messages .= "The system was unable to create the directory for this upload, '" . $this->file_path . "'.\n";
 623                                         continue;
 624                                 }
 625                         }
 626
 627                         //fname is the name of the file after it is moved
 628                         $fname = $file['name'];
 629
 630                         //see if patient autonumbering is used in this filename, if so strip out the autonumber part
 631                         preg_match("/^([0-9]+)_/",basename($fname),$patient_match);
 632                         if ($patient_match[1] == $file['patient_id']) {
 633                                 $fname = preg_replace("/^([0-9]+)_/","",$fname);
 634                         }
 635
 636                         //filenames should not have funny chars
 637                         $fname = preg_replace("/[^a-zA-Z0-9_.]/","_",$fname);
 638
 639                         //see if there is an existing file with the same name and rename as necessary
 640                         if (file_exists($new_path.$file['name'])) {
 641                                 $messages .= "File with same name already exists at location: " . $new_path . "\n";
 642                                 $fname = basename($this->_rename_file($new_path.$file['name']));
 643                                 $messages .= "Current file name was changed to " . $fname ."\n";
 644                         }
 645
 646                         //now move the file
 647                         if (rename($this->_config['repository'].$file['name'],$new_path.$fname)) {
 648                                 $messages .= "File " . $fname . " moved to patient id '" . $file['patient_id'] ."' and category '" . $categories[$file['category_id']]['name'] . "' successfully.\n";
 649                                 $d->url = "file://" .$new_path.$fname;
 650                                 $d->set_foreign_id($file['patient_id']);
 651                                 $d->set_mimetype($mimetype);
 652                                 $d->persist();
 653                                 $d->populate();
 654
 655                                 if (is_numeric($d->get_id()) && is_numeric($file['category_id'])) {
 656                                   $sql = "REPLACE INTO categories_to_documents set category_id = '" . $file['category_id'] . "', document_id = '" . $d->get_id() . "'";
 657                                   $d->_db->Execute($sql);
 658                                 }
 659                         }
 660                         else {
 661                                 $error .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 662                         }
 663                 }
 664                         $this->assign("messages",$messages);
 665                         $_POST['process'] = "";
 666         }
 667
 668         function move_action_process($patient_id="",$document_id) {
 669                 if ($_POST['process'] != "true")
 670                         return;
 671
 672                 $new_category_id = $_POST['new_category_id'];
 673                 $new_patient_id = $_POST['new_patient_id'];
 674
 675                 //move to new category
 676                 if (is_numeric($new_category_id) && is_numeric($document_id)) {
 677                         $sql = "UPDATE categories_to_documents set category_id = '" . $new_category_id . "' where document_id = '" . $document_id ."'";
 678                         $messages .= xl('Document moved to new category','','',' \'') . $this->tree->_id_name[$new_category_id]['name']  . xl('successfully.','','\' ') . "\n";
 679                         //echo $sql;
 680                         $this->tree->_db->Execute($sql);
 681                 }
 682
 683                 //move to new patient
 684                 if (is_numeric($new_patient_id) && is_numeric($document_id)) {
 685                         $d = new Document($document_id);
 686                         // $sql = "SELECT pid from patient_data where pubpid = '" . $new_patient_id . "'";
 687                         $sql = "SELECT pid from patient_data where pid = '" . $new_patient_id . "'";
 688                         $result = $d->_db->Execute($sql);
 689
 690                         if (!$result || $result->EOF) {
 691                                 //patient id does not exist
 692                                 $messages .= xl('Document could not be moved to patient id','','',' \'') . $new_patient_id  . xl('because that id does not exist.','','\' ') . "\n";
 693                         }
 694                         else {
 695
 696                                 $couch_docid = $d->get_couch_docid();
 697                                 $couch_revid = $d->get_couch_revid();
 698                                 //set the new patient in CouchDB
 699                                 $couchsavefailed=false;
 700                                 if($couch_docid && $couch_revid){
 701                                 $couch = new CouchDB();
 702                                 $db = $GLOBALS['couchdb_dbase'];
 703                                 $data=array($db,$couch_docid);
 704                                 $couchresp=$couch->retrieve_doc($data);
 705                                 //CouchDB doesnot support updating a single value in a document.
 706                                 //Have to retrieve the entire document,update the necessary value and save again
 707                                 list($db,$docid,$revid,$patient_id,$encounter,$type,$json) = $data;
 708                                 $data=array($db,$couch_docid,$couch_revid,$new_patient_id,$couchresp->encounter,$couchresp->mimetype,json_encode($couchresp->data));
 709                                 $resp = $couch->update_doc($data);
 710                                 //Sometimes the response from CouchDB is not available
 711                                 //still it would have saved in the DB. Hence check one more time
 712                                 if(!$resp->_id || !$resp->_rev){
 713                                         $data = array($db,$couch_docid,$new_patient_id,$couchresp->encounter);
 714                                         $resp = $couch->retrieve_doc($data);
 715
 716
 717                                 }
 718                                 if($resp->_rev ==$couch_revid){
 719                                         $couchsavefailed=true;
 720                                         }
 721                                 else{
 722                                 $d->set_couch_revid($resp->_rev);
 723                                 }
 724                                 }
 725
 726
 727                                 //set the new patient in mysql
 728                                 $d->set_foreign_id($new_patient_id);
 729                                 $d->persist();
 730                                 $this->_state = false;
 731                                 if(!$couchsavefailed){
 732
 733                                 $messages .= xl('Document moved to patient id','','',' \'') . $new_patient_id  . xl('successfully.','','\' ') . "\n";
 734                                 }
 735                                 else{
 736
 737                                 $messages .= xl('Document moved to patient id','','',' \'') . $new_patient_id  . xl('Failed.','','\' ') . "\n";
 738                                 }
 739                                 $this->assign("messages",$messages);
 740                                 return $this->list_action($patient_id);
 741                         }
 742                 }
 743                 //in this case return the document to the queue instead of moving it
 744                 elseif (strtolower($new_patient_id) == "q" && is_numeric($document_id)) {
 745                         $d = new Document($document_id);
 746                         $new_path = $this->_config['repository'];
 747                         $fname = $d->get_url_file();
 748
 749                         //see if there is an existing file with the same name and rename as necessary
 750                         if (file_exists($new_path.$d->get_url_file())) {
 751                                 $messages .= "File with same name already exists in the queue.\n";
 752                                 $fname = basename($this->_rename_file($new_path.$d->get_url_file()));
 753                                 $messages .= "Current file name was changed to " . $fname ."\n";
 754                         }
 755
 756                         //now move the file
 757                         if (rename($d->get_url_filepath(),$new_path.$fname)) {
 758                                 $d->url = "file://" .$new_path.$fname;
 759                                 $d->set_foreign_id("");
 760                                 $d->persist();
 761                                 $d->persist();
 762                                 $d->populate();
 763
 764                                 $sql = "DELETE FROM categories_to_documents where document_id =" . $d->_db->qstr($document_id);
 765                                 $d->_db->Execute($sql);
 766                                 $messages .= "Document returned to queue successfully.\n";
 767
 768                         }
 769                         else {
 770                                 $messages .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 771                         }
 772
 773                         $this->_state = false;
 774                         $this->assign("messages",$messages);
 775                         return $this->list_action($patient_id);
 776                 }
 777
 778                 $this->_state = false;
 779                 $this->assign("messages",$messages);
 780                 return $this->view_action($patient_id,$document_id);
 781         }
 782
 783         function validate_action_process($patient_id="", $document_id) {
 784
 785                 $d = new Document($document_id);
 786                 if($d->couch_docid && $d->couch_revid){
 787                         $file_path = $GLOBALS['OE_SITE_DIR'].'/documents/temp/';
 788                         $url = $file_path.$d->get_url();
 789                         $couch = new CouchDB();
 790                         $data = array($GLOBALS['couchdb_dbase'],$d->couch_docid);
 791                         $resp = $couch->retrieve_doc($data);
 792                         $content = $resp->data;
 793                         //--------Temporarily writing the file for calculating the hash--------//
 794                         //-----------Will be removed after calculating the hash value----------//
 795                         $temp_file = fopen($url,"w");
 796                         fwrite($temp_file,base64_decode($content));
 797                         fclose($temp_file);
 798                 }
 799                 else{
 800                 $url =  $d->get_url();
 801
 802                 //strip url of protocol handler
 803                 $url = preg_replace("|^(.*)://|","",$url);
 804
 805                 //change full path to current webroot.  this is for documents that may have
 806                 //been moved from a different filesystem and the full path in the database
 807                 //is not current.  this is also for documents that may of been moved to
 808                 //different patients
 809                 // NOTE that $from_filename and basename($url) are the same thing
 810                 $from_all = explode("/",$url);
 811                 $from_filename = array_pop($from_all);
 812                 $from_patientid = array_pop($from_all);
 813                 $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_patientid . '/' . $from_filename;
 814                 if (file_exists($temp_url)) {
 815                         $url = $temp_url;
 816                 }
 817
 818             if ($_POST['process'] != "true") {
 819                         die("process is '" . $_POST['process'] . "', expected 'true'");
 820                         return;
 821                 }
 822                 }
 823                 $d = new Document( $document_id );
 824                 $current_hash = sha1_file( $url );
 825                 $messages = xl('Current Hash').": ".$current_hash."<br>";
 826                 $messages .= xl('Stored Hash').": ".$d->get_hash()."<br>";
 827                 if ( $d->get_hash() == '' ) {
 828                     $d->hash = $current_hash;
 829                     $d->persist();
 830                     $d->populate();
 831                     $messages .= xl('Hash did not exist for this file. A new hash was generated.');
 832                 } else if ( $current_hash != $d->get_hash() ) {
 833                     $messages .= xl('Hash does not match. Data integrity has been compromised.');
 834                 } else {
 835                     $messages .= xl('Document passed integrity check.');
 836                 }
 837                 $this->_state = false;
 838                 $this->assign("messages", $messages);
 839                 if($d->couch_docid && $d->couch_revid){
 840                         //Removing the temporary file which is used to create the hash
 841                         unlink($GLOBALS['OE_SITE_DIR'].'/documents/temp/'.$d->get_url());
 842                 }
 843                 return $this->view_action($patient_id, $document_id);
 844         }
 845
 846         // Added by Rod for metadata update.
 847         //
 848         function update_action_process($patient_id="", $document_id) {
 849
 850                 if ($_POST['process'] != "true") {
 851                         die("process is '" . $_POST['process'] . "', expected 'true'");
 852                         return;
 853                 }
 854
 855                 $docdate = $_POST['docdate'];
 856                 $docname = $_POST['docname'];
 857                 $issue_id = $_POST['issue_id'];
 858
 859                 if (is_numeric($document_id)) {
 860                     $messages = '';
 861                     $d = new Document( $document_id );
 862                     $file_name = $d->get_url_file();
 863                     if ( $docname != '' &&
 864                          $docname != $file_name ) {
 865                         $path = $d->get_url_filepath();
 866                         $path = str_replace( $file_name, "", $path );
 867                         $new_url = $this->_rename_file( $path.$docname );
 868                     if ( rename( $d->get_url(), $new_url ) ) {
 869                         // check the "converted" file, and delete it if it exists. It will be regenerated when report is run
 870                         $url = preg_replace("|^(.*)://|","",$d->get_url());
 871                         $convertedFile = substr(basename($url), 0, strrpos(basename($url), '.')) . '_converted.jpg';
 872                     $url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $patient_id . '/' . $convertedFile;
 873                                 if ( file_exists( $url ) ) {
 874                                     unlink( $url );
 875                                 }
 876                                 $d->url = $new_url;
 877                     $d->persist();
 878                     $d->populate();
 879                                 $messages .= xl('Document successfully renamed.')."<br>";
 880                         } else {
 881                                 $messages .= xl('The file could not be succesfully renamed, this error is usually related to permissions problems on the storage system.')."<br>";
 882                         }
 883                     }
 884
 885                         if (preg_match('/^\d\d\d\d-\d+-\d+$/', $docdate)) {
 886                                 $docdate = "'$docdate'";
 887                         } else {
 888                                 $docdate = "NULL";
 889                         }
 890                         if (!is_numeric($issue_id)) {
 891                                 $issue_id = 0;
 892                         }
 893                         $couch_docid = $d->get_couch_docid();
 894                         $couch_revid = $d->get_couch_revid();
 895                         if($couch_docid && $couch_revid ){
 896                         $sql = "UPDATE documents SET docdate = $docdate, url = '".$_POST['docname']."', " .
 897                                         "list_id = '$issue_id' " .
 898                                         "WHERE id = '$document_id'";
 899                         $this->tree->_db->Execute($sql);
 900
 901                         }
 902                         else{
 903                         $sql = "UPDATE documents SET docdate = $docdate, " .
 904                                 "list_id = '$issue_id' " .
 905                                 "WHERE id = '$document_id'";
 906                         $this->tree->_db->Execute($sql);
 907                         }
 908                         $messages .= xl('Document date and issue updated successfully') . "<br>";
 909                 }
 910
 911                 $this->_state = false;
 912                 $this->assign("messages", $messages);
 913                 return $this->view_action($patient_id, $document_id);
 914         }
 915
 916         function list_action($patient_id = "") {
 917                 $this->_last_node = null;
 918                 $categories_list = $this->tree->_get_categories_array($patient_id);
 919                 //print_r($categories_list);
 920
 921                 $menu  = new HTML_TreeMenu();
 922                 $rnode = $this->_array_recurse($this->tree->tree,$categories_list);
 923                 $menu->addItem($rnode);
 924                 $treeMenu = &new HTML_TreeMenu_DHTML($menu, array('images' => 'images', 'defaultClass' => 'treeMenuDefault'));
 925                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array('linkTarget' => '_self'));
 926
 927                 $this->assign("tree_html",$treeMenu->toHTML());
 928
 929                 return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_list.html");
 930         }
 931
 932         /*
 933         *       This is a recursive function to rename a file to something that doesn't already exist.
 934         *       Modified in version 3.2.0 to place a counter within the filename (previously was placed at end)
 935         *        to ensure documents opened correctly by external browser viewers. If the counter is at the
 936         *        end of the file, then will use it (to continue to work with older files), however all new
 937         *        counters will be placed within filenames.
 938         */
 939         function _rename_file($fname) {
 940                 $file = basename($fname);
 941                 $fparts = split("\.",$fname);
 942                 $path = dirname($fname);
 943                 if (count($fparts) > 1) {
 944                   if (is_numeric($fparts[count($fparts) -2]) && (count($fparts) > 2)) {
 945                         //increment the counter in filename
 946                         $fparts[count($fparts) -2] = $fparts[count($fparts) -2] + 1;
 947                         $fname = join(".",$fparts);
 948                   }
 949                   elseif (is_numeric($fparts[count($fparts) -1]) && $fparts[count($fparts) -1] < 1000) {
 950                         //increment counter at end of filename (so compatible with previous openemr version files
 951                         $fparts[count($fparts) -1] = $fparts[count($fparts) -1] + 1;
 952                         $fname = join(".",$fparts);
 953                   }
 954                   elseif (is_numeric($fparts[count($fparts) -1])) {
 955                         //leave date at end and place counter in filename
 956                         array_splice($fparts, -1, 0, "1");
 957                         $fname = join(".",$fparts);
 958                   }
 959                   else {
 960                         //add the counter to filename
 961                         array_splice($fparts, -1, 0, "1");
 962                         $fname = join(".",$fparts);
 963                   }
 964                 }
 965                 else { // (count($fparts) == 1)
 966                   //place counter at end of filename
 967                   array_push($fparts,"1");
 968                   $fname = join(".",$fparts);
 969                 }
 970
 971                 if (file_exists($fname)) {
 972                         return $this->_rename_file($fname);
 973                 }
 974                 else {
 975                         return($fname);
 976                 }
 977         }
 978
 979         function &_array_recurse($array,$categories = array()) {
 980                 if (!is_array($array)) {
 981                         $array = array();
 982                 }
 983                 $node = &$this->_last_node;
 984                 $current_node = &$node;
 985                 $expandedIcon = 'folder-expanded.gif';
 986                 foreach($array as $id => $ar) {
 987                         $icon = 'folder.gif';
 988                         if (is_array($ar)  || !empty($id)) {
 989                           if ($node == null) {
 990                                 //echo "r:" . $this->tree->get_node_name($id) . "<br>";
 991                             $rnode = new HTML_TreeNode(array("id" => $id, 'text' => $this->tree->get_node_name($id), 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon, 'expanded' => false));
 992                             $this->_last_node = &$rnode;
 993                                 $node = &$rnode;
 994                                 $current_node =&$rnode;
 995                           }
 996                           else {
 997                                 //echo "p:" . $this->tree->get_node_name($id) . "<br>";
 998                             $this->_last_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $this->tree->get_node_name($id), 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
 999                             $current_node =&$this->_last_node;
1000                           }
1001
1002                           $this->_array_recurse($ar,$categories);
1003                         }
1004                         else {
1005                                 if ($id === 0 && !empty($ar)) {
1006                                   $info = $this->tree->get_node_info($id);
1007                                   //echo "b:" . $this->tree->get_node_name($id) . "<br>";
1008                                   $current_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $info['value'], 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
1009                                 }
1010                                 else {
1011                                         //there is a third case that is implicit here when title === 0 and $ar is empty, in that case we do not want to do anything
1012                                         //this conditional tree could be more efficient but working with recursive trees makes my head hurt, TODO
1013                                         if ($id !== 0 && is_object($node)) {
1014                                           //echo "n:" . $this->tree->get_node_name($id) . "<br>";
1015                                           $current_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $this->tree->get_node_name($id), 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
1016
1017                                         }
1018                                 }
1019                         }
1020
1021                         // If there are documents in this document category, then add their
1022                         // attributes to the current node.
1023                         $icon = "file3.png";
1024                         if (is_array($categories[$id])) {
1025                                 foreach ($categories[$id] as $doc) {
1026           if($this->tree->get_node_name($id) == "CCR"){
1027             $current_node->addItem(new HTML_TreeNode(array(
1028               'text' => $doc['docdate'] . ' ' . basename($doc['url']),
1029               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1030               'icon' => $icon,
1031               'expandedIcon' => $expandedIcon,
1032               'events' => array('Onclick' => "javascript:newwindow=window.open('ccr/display.php?type=CCR&doc_id=" . $doc['document_id'] . "','CCR');")
1033             )));
1034           }elseif($this->tree->get_node_name($id) == "CCD"){
1035             $current_node->addItem(new HTML_TreeNode(array(
1036               'text' => $doc['docdate'] . ' ' . basename($doc['url']),
1037               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1038               'icon' => $icon,
1039               'expandedIcon' => $expandedIcon,
1040               'events' => array('Onclick' => "javascript:newwindow=window.open('ccr/display.php?type=CCD&doc_id=" . $doc['document_id'] . "','CCD');")
1041             )));
1042           }else{
1043             $current_node->addItem(new HTML_TreeNode(array(
1044               'text' => $doc['docdate'] . ' ' . basename($doc['url']),
1045               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1046               'icon' => $icon,
1047               'expandedIcon' => $expandedIcon
1048             )));
1049           }
1050                                 }
1051                         }
1052
1053                 }
1054                 return $node;
1055         }
1056
1057         //function for logging  the errors in writing file to CouchDB/Hard Disk
1058         function document_upload_download_log($patientid,$content){
1059                 $log_path = $GLOBALS['OE_SITE_DIR']."/documents/couchdb/";
1060                 $log_file = 'log.txt';
1061                 if(!is_dir($log_path))
1062                     mkdir($log_path,0777,true);
1063                 $LOG = fopen($log_path.$log_file,'a');
1064                 fwrite($LOG,$content);
1065                 fclose($LOG);
1066         }
1067
1068 }
1069 //place to hold optional code
1070 //$first_node = array_keys($t->tree);
1071                 //$first_node = $first_node[0];
1072                 //$node1 = new HTML_TreeNode(array('text' => $t->get_node_name($first_node), 'link' => "test.php", 'icon' => $icon, 'expandedIcon' => $expandedIcon, 'expanded' => true), array('onclick' => "alert('foo'); return false", 'onexpand' => "alert('Expanded')"));
1073
1074                 //$this->_last_node = &$node1;
1075
1076 ?>