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         //2013-02-10 EMR Direct: added $non_HTTP_owner to allow storage of Direct Message attachments
  60         //through this mechanism, and is set to the user_id for the background process adding the document
  61         function upload_action_process($non_HTTP_owner=false) {
  62                 $couchDB = false;
  63                 $harddisk = false;
  64                 if($GLOBALS['document_storage_method']==0){
  65                         $harddisk = true;
  66                 }
  67                 if($GLOBALS['document_storage_method']==1){
  68                         $couchDB = true;
  69                 }
  70
  71                 if ($_POST['process'] != "true")
  72                         return;
  73
  74                 $doDecryption = false;
  75                 $encrypted = $_POST['encrypted'];
  76                 $passphrase = $_POST['passphrase'];
  77                 if ( !$GLOBALS['hide_document_encryption'] &&
  78                         $encrypted && $passphrase ) {
  79                         $doDecryption = true;
  80                 }
  81
  82                 if (is_numeric($_POST['category_id'])) {
  83                         $category_id = $_POST['category_id'];
  84                 }
  85                 if (is_numeric($_POST['patient_id'])) {
  86                         $patient_id = $_POST['patient_id'];
  87                 }
  88
  89                 $sentUploadStatus = array();
  90                 if( count($_FILES['file']['name']) > 0){
  91                         $upl_inc = 0;
  92                         foreach($_FILES['file']['name'] as $key => $value){
  93                                 $fname = $value;
  94                                 $err = "";
  95                                 if ($_FILES['file']['error'][$key] > 0 || empty($fname) || $_FILES['file']['size'][$key] == 0) {
  96                                         $fname = $value;
  97                                         if (empty($fname)) {
  98                                                 $fname = htmlentities("<empty>");
  99                                         }
 100                                         $error = "Error number: " . $_FILES['file']['error'][$key] . " occured while uploading file named: " . $fname . "\n";
 101                                         if ($_FILES['file']['size'][$key] == 0) {
 102                                                 $error .= "The system does not permit uploading files of with size 0.\n";
 103                                         }
 104                                 }else{
 105
 106                                         if (!file_exists($this->file_path)) {
 107                                                 if (!mkdir($this->file_path,0700)) {
 108                                                         $error .= "The system was unable to create the directory for this upload, '" . $this->file_path . "'.\n";
 109                                                 }
 110                                         }
 111
 112                                         if ( $_POST['destination'] != '' ) {
 113                                                 $fname = $_POST['destination'];
 114                                         }
 115                                         $fname = preg_replace("/[^a-zA-Z0-9_.]/","_",$fname);
 116                                         if (file_exists($this->file_path.$fname)) {
 117                                                 $error .= xl('File with same name already exists at location:','','',' ') . $this->file_path . "\n";
 118                                                 $fname = basename($this->_rename_file($this->file_path.$fname));
 119                                                 $_FILES['file']['name'][$key] = $fname;
 120                                                 $error .= xl('Current file name was changed to','','',' ') . $fname ."\n";
 121                                         }
 122
 123                                         if ( $doDecryption ) {
 124                                                 $tmpfile = fopen( $_FILES['file']['tmp_name'][$key] , "r" );
 125                                                 $filetext = fread( $tmpfile, $_FILES['file']['size'][$key]  );
 126                                                 $plaintext = $this->decrypt( $filetext, $passphrase );
 127                                                 fclose($tmpfile);
 128                                                 unlink( $_FILES['file']['tmp_name'][$key] );
 129                                                 $tmpfile = fopen( $_FILES['file']['tmp_name'][$key], "w+" );
 130                                                 fwrite( $tmpfile, $plaintext );
 131                                                 fclose( $tmpfile );
 132                                                 $_FILES['file']['size'][$key] = filesize( $_FILES['file']['tmp_name'][$key] );
 133                                         }
 134
 135                                         $docid = '';
 136                                         $resp = '';
 137                                         if($couchDB == true){
 138                                                 $couch = new CouchDB();
 139                                                 $docname = $_SESSION['authId'].$patient_id.$encounter.$fname.date("%Y-%m-%d H:i:s");
 140                                                 $docid = $couch->stringToId($docname);
 141                                                 $tmpfile = fopen( $_FILES['file']['tmp_name'][$key], "rb" );
 142                                                 $filetext = fread( $tmpfile, $_FILES['file']['size'][$key] );
 143                                                 fclose( $tmpfile );
 144                                                 //--------Temporarily writing the file for calculating the hash--------//
 145                                                 //-----------Will be removed after calculating the hash value----------//
 146                                                 $temp_file = fopen($this->file_path.$fname,"w");
 147                                                 fwrite($temp_file,$filetext);
 148                                                 fclose($temp_file);
 149                                                 //---------------------------------------------------------------------//
 150
 151                                                 $json = json_encode(base64_encode($filetext));
 152                                                 $db = $GLOBALS['couchdb_dbase'];
 153                                                 $data = array($db,$docid,$patient_id,$encounter,$_FILES['file']['type'][$key],$json);
 154                                                 $resp = $couch->check_saveDOC($data);
 155                                                 if(!$resp->id || !$resp->_rev){
 156                                                         $data = array($db,$docid,$patient_id,$encounter);
 157                                                         $resp = $couch->retrieve_doc($data);
 158                                                         $docid = $resp->_id;
 159                                                         $revid = $resp->_rev;
 160                                                 }
 161                                                 else{
 162                                                         $docid = $resp->id;
 163                                                         $revid = $resp->rev;
 164                                                 }
 165                                                 if(!$docid && !$revid){ //if couchdb save failed
 166                                                         $error .=  "<font color='red'><b>".xl("The file could not be saved to CouchDB.") . "</b></font>\n";
 167                                                         if($GLOBALS['couchdb_log']==1){
 168                                                                 ob_start();
 169                                                                 var_dump($resp);
 170                                                                 $couchError=ob_get_clean();
 171                                                                 $log_content = date('Y-m-d H:i:s')." ==> Uploading document: ".$fname."\r\n";
 172                                                                 $log_content .= date('Y-m-d H:i:s')." ==> Failed to Store document content to CouchDB.\r\n";
 173                                                                 $log_content .= date('Y-m-d H:i:s')." ==> Document ID: ".$docid."\r\n";
 174                                                                 $log_content .= date('Y-m-d H:i:s')." ==> ".print_r($data,1)."\r\n";
 175                                                                 $log_content .= $couchError;
 176                                                                 $this->document_upload_download_log($patient_id,$log_content);//log error if any, for testing phase only
 177                                                         }
 178                                                 }
 179                                         }
 180
 181                                         if($harddisk == true){
 182                                                 $uploadSuccess = false;
 183                                                 $move_cmd = ($non_HTTP_owner ? "rename" : "move_uploaded_file");
 184                                                 if($move_cmd($_FILES['file']['tmp_name'][$key],$this->file_path.$fname)){
 185                                                         $uploadSuccess = true;
 186                                                 }
 187                                                 else{
 188                                                         $error .= xl("The file could not be succesfully stored, this error is usually related to permissions problems on the storage system")."\n";
 189                                                 }
 190                                         }
 191
 192                                         $this->assign("upload_success", "true");
 193                                         $d = new Document();
 194                                         $d->storagemethod = $GLOBALS['document_storage_method'];
 195                                         if($harddisk == true)
 196                                                 $d->url = "file://" .$this->file_path.$fname;
 197                                         else
 198                                                 $d->url = $fname;
 199                                         if($couchDB == true){
 200                                                 $d->couch_docid = $docid;
 201                                                 $d->couch_revid = $revid;
 202                                         }
 203                                         if ($_FILES['file']['type'][$key] == 'text/xml') {
 204                                                 $d->mimetype = 'application/xml';
 205                                         }
 206                                         else {
 207                                                 $d->mimetype = $_FILES['file']['type'][$key];
 208                                         }
 209                                         $d->size = $_FILES['file']['size'][$key];
 210                                         $d->owner = $non_HTTP_owner ? $non_HTTP_owner : $_SESSION['authUserID'];
 211                                         $sha1Hash = sha1_file( $this->file_path.$fname );
 212                                         if($couchDB == true){
 213                                                 //Removing the temporary file which is used to create the hash
 214                                                 unlink($this->file_path.$fname);
 215                                         }
 216                                         $d->hash = $sha1Hash;
 217                                         $d->type = $d->type_array['file_url'];
 218                                         $d->set_foreign_id($patient_id);
 219                                         if($harddisk == true || ($couchDB == true && $docid && $revid)){
 220                                                 $d->persist();
 221                                                 $d->populate();
 222                                         }
 223                                         $sentUploadStatus[] = $d;
 224                                         $this->assign("file",$sentUploadStatus);
 225
 226                                         if (is_numeric($d->get_id()) && is_numeric($category_id)){
 227                                                 $sql = "REPLACE INTO categories_to_documents set category_id = '" . $category_id . "', document_id = '" . $d->get_id() . "'";
 228                                                 $d->_db->Execute($sql);
 229                                         }
 230                                         if($GLOBALS['couchdb_log']==1 && $log_content!=''){
 231                                                 $log_content .= "\r\n\r\n";
 232                                                 $this->document_upload_download_log($patient_id,$log_content);
 233                                         }
 234                                 }
 235                         }
 236                 }
 237
 238                 $this->assign("error", nl2br($error));
 239                 //$this->_state = false;
 240                 $_POST['process'] = "";
 241                 //return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_upload.html");
 242         }
 243
 244         function note_action_process($patient_id) {
 245
 246                 if ($_POST['process'] != "true")
 247                         return;
 248
 249                 $n = new Note();
 250                 parent::populate_object($n);
 251                 $n->persist();
 252
 253                 $this->_state = false;
 254                 $_POST['process'] = "";
 255                 return $this->view_action($patient_id,$n->get_foreign_id());
 256         }
 257
 258         function default_action() {
 259                 return $this->list_action();
 260         }
 261
 262         function view_action($patient_id="",$doc_id) {
 263                 // Added by Rod to support document delete:
 264                 global $gacl_object, $phpgacl_location;
 265                 global $ISSUE_TYPES;
 266
 267                 require_once(dirname(__FILE__) . "/../library/acl.inc");
 268                 require_once(dirname(__FILE__) . "/../library/lists.inc");
 269
 270                 $d = new Document($doc_id);
 271                 $n = new Note();
 272
 273                 $notes = $n->notes_factory($doc_id);
 274
 275                 $this->assign("file", $d);
 276                 $this->assign("web_path", $this->_link("retrieve") . "document_id=" . $d->get_id() . "&");
 277                 $this->assign("NOTE_ACTION",$this->_link("note"));
 278                 $this->assign("MOVE_ACTION",$this->_link("move") . "document_id=" . $d->get_id() . "&process=true");
 279                 $this->assign("hide_encryption", $GLOBALS['hide_document_encryption'] );
 280
 281                 // Added by Rod to support document delete:
 282                 $delete_string = '';
 283                 if (acl_check('admin', 'super')) {
 284                         $delete_string = "<a href='' class='css_button' onclick='return deleteme(" . $d->get_id() .
 285                                 ")'><span><font color='red'>" . xl('Delete') . "</font></span></a>";
 286                 }
 287                 $this->assign("delete_string", $delete_string);
 288                 $this->assign("REFRESH_ACTION",$this->_link("list"));
 289
 290                 $this->assign("VALIDATE_ACTION",$this->_link("validate") .
 291                         "document_id=" . $d->get_id() . "&process=true");
 292
 293                 // Added by Rod to support document date update:
 294                 $this->assign("DOCDATE", $d->get_docdate());
 295                 $this->assign("UPDATE_ACTION",$this->_link("update") .
 296                         "document_id=" . $d->get_id() . "&process=true");
 297
 298                 // Added by Rod to support document issue update:
 299                 $issues_options = "<option value='0'>-- " . xl('Select Issue') . " --</option>";
 300                 $ires = sqlStatement("SELECT id, type, title, begdate FROM lists WHERE " .
 301                         "pid = $patient_id " . // AND enddate IS NULL " .
 302                         "ORDER BY type, begdate");
 303                 while ($irow = sqlFetchArray($ires)) {
 304                         $desc = $irow['type'];
 305                         if ($ISSUE_TYPES[$desc]) $desc = $ISSUE_TYPES[$desc][2];
 306                         $desc .= ": " . $irow['begdate'] . " " . htmlspecialchars(substr($irow['title'], 0, 40));
 307                         $sel = ($irow['id'] == $d->get_list_id()) ? ' selected' : '';
 308                         $issues_options .= "<option value='" . $irow['id'] . "'$sel>$desc</option>";
 309                 }
 310                 $this->assign("ISSUES_LIST", $issues_options);
 311
 312                 $this->assign("notes",$notes);
 313
 314                 $this->_last_node = null;
 315
 316                 $menu  = new HTML_TreeMenu();
 317
 318                 //pass an empty array because we don't want the documents for each category showing up in this list box
 319                 $rnode = $this->_array_recurse($this->tree->tree,array());
 320                 $menu->addItem($rnode);
 321                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array("promoText" => xl('Move Document to Category:')));
 322
 323                 $this->assign("tree_html_listbox",$treeMenu_listbox->toHTML());
 324
 325                 $activity = $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_view.html");
 326                 $this->assign("activity", $activity);
 327
 328                 return $this->list_action($patient_id);
 329         }
 330
 331         function encrypt( $plaintext, $key, $cypher = 'tripledes', $mode = 'cfb' )
 332     {
 333         $td = mcrypt_module_open( $cypher, '', $mode, '');
 334         $iv = mcrypt_create_iv( mcrypt_enc_get_iv_size( $td ), MCRYPT_RAND );
 335         mcrypt_generic_init( $td, $key, $iv );
 336         $crypttext = mcrypt_generic( $td, $plaintext );
 337         mcrypt_generic_deinit( $td );
 338         return $iv.$crypttext;
 339     }
 340
 341     function decrypt( $crypttext, $key, $cypher = 'tripledes', $mode = 'cfb' )
 342     {
 343         $plaintext = '';
 344         $td = mcrypt_module_open( $cypher, '', $mode, '' );
 345         $ivsize = mcrypt_enc_get_iv_size( $td) ;
 346         $iv = substr( $crypttext, 0, $ivsize );
 347         $crypttext = substr( $crypttext, $ivsize );
 348         if( $iv )
 349         {
 350             mcrypt_generic_init( $td, $key, $iv );
 351             $plaintext = mdecrypt_generic( $td, $crypttext );
 352         }
 353         return $plaintext;
 354     }
 355
 356
 357         function retrieve_action($patient_id="",$document_id,$as_file=true,$original_file=true) {
 358
 359             $encrypted = $_POST['encrypted'];
 360                 $passphrase = $_POST['passphrase'];
 361                 $doEncryption = false;
 362                 if ( !$GLOBALS['hide_document_encryption'] &&
 363                     $encrypted == "true" &&
 364                     $passphrase ) {
 365                     $doEncryption = true;
 366                 }
 367
 368                 //controller function ruins booleans, so need to manually re-convert to booleans
 369                 if ($as_file == "true") {
 370                         $as_file=true;
 371                 }
 372                 else if ($as_file == "false") {
 373                         $as_file=false;
 374                 }
 375                 if ($original_file == "true") {
 376                         $original_file=true;
 377                 }
 378                 else if ($original_file == "false") {
 379                         $original_file=false;
 380                 }
 381
 382                 $d = new Document($document_id);
 383                 $url =  $d->get_url();
 384                 $storagemethod = $d->get_storagemethod();
 385                 $couch_docid = $d->get_couch_docid();
 386                 $couch_revid = $d->get_couch_revid();
 387
 388                 if($couch_docid && $couch_revid && $original_file){
 389                         $couch = new CouchDB();
 390                         $data = array($GLOBALS['couchdb_dbase'],$couch_docid);
 391                         $resp = $couch->retrieve_doc($data);
 392                         $content = $resp->data;
 393                         if($content=='' && $GLOBALS['couchdb_log']==1){
 394                                 $log_content = date('Y-m-d H:i:s')." ==> Retrieving document\r\n";
 395                                 $log_content = date('Y-m-d H:i:s')." ==> URL: ".$url."\r\n";
 396                                 $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Document Id: ".$couch_docid."\r\n";
 397                                 $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Revision Id: ".$couch_revid."\r\n";
 398                                 $log_content .= date('Y-m-d H:i:s')." ==> Failed to fetch document content from CouchDB.\r\n";
 399                                 $log_content .= date('Y-m-d H:i:s')." ==> Will try to download file from HardDisk if exists.\r\n\r\n";
 400                                 $this->document_upload_download_log($d->get_foreign_id(),$log_content);
 401                                 die(xl("File retrieval from CouchDB failed"));
 402                         }
 403                         header('Content-Description: File Transfer');
 404                         header('Content-Transfer-Encoding: binary');
 405                         header('Expires: 0');
 406                         header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 407                         header('Pragma: public');
 408                         $tmpcouchpath = $GLOBALS['OE_SITE_DIR'].'/documents/temp/couch_'.date("YmdHis").$d->get_url_file();
 409                         $fh = fopen($tmpcouchpath,"w");
 410                         fwrite($fh,base64_decode($content));
 411                         fclose($fh);
 412                         $f = fopen($tmpcouchpath,"r");
 413                         if ( $doEncryption ) {
 414                                 $filetext = fread( $f, filesize($tmpcouchpath) );
 415                                 $ciphertext = $this->encrypt( $filetext, $passphrase );
 416                                 $tmpfilepath = $GLOBALS['temporary_files_dir'];
 417                                 $tmpfilename = "/encrypted_".$d->get_url_file();
 418                                 $tmpfile = fopen( $tmpfilepath.$tmpfilename, "w+" );
 419                                 fwrite( $tmpfile, $ciphertext );
 420                                 fclose( $tmpfile );
 421                                 header('Content-Disposition: attachment; filename='.$tmpfilename );
 422                                 header("Content-Type: application/octet-stream" );
 423                                 header("Content-Length: " . filesize( $tmpfilepath.$tmpfilename ) );
 424                                 ob_clean();
 425                                 flush();
 426                                 readfile( $tmpfilepath.$tmpfilename );
 427                                 unlink( $tmpfilepath.$tmpfilename );
 428                         } else {
 429                                 header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename($d->get_url()) . "\"");
 430                                 header("Content-Type: " . $d->get_mimetype());
 431                                 header("Content-Length: " . filesize($tmpcouchpath));
 432                                 fpassthru($f);
 433                         }
 434                         fclose($f);
 435                         if($content!='')
 436                         unlink($tmpcouchpath);
 437                         exit;//exits only if file download from CouchDB is successfull.
 438                 }
 439                 //strip url of protocol handler
 440                 $url = preg_replace("|^(.*)://|","",$url);
 441
 442                 //change full path to current webroot.  this is for documents that may have
 443                 //been moved from a different filesystem and the full path in the database
 444                 //is not current.  this is also for documents that may of been moved to
 445                 //different patients
 446                 // NOTE that $from_filename and basename($url) are the same thing
 447                 $from_all = explode("/",$url);
 448                 $from_filename = array_pop($from_all);
 449                 $from_patientid = array_pop($from_all);
 450     if($couch_docid && $couch_revid){
 451         //for couchDB no URL is available in the table, hence using the foreign_id which is patientID
 452         $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/temp/' . $d->get_foreign_id() . '_' . $from_filename;
 453
 454         }
 455         else{
 456         $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_patientid . '/' . $from_filename;
 457         }
 458
 459                 if (file_exists($temp_url)) {
 460                         $url = $temp_url;
 461                 }
 462
 463
 464                 if (!file_exists($url)) {
 465                         echo xl('The requested document is not present at the expected location on the filesystem or there are not sufficient permissions to access it.','','',' ') . $url;
 466
 467                 }
 468                 else {
 469                         if ($original_file) {
 470                             //normal case when serving the file referenced in database
 471                 header('Content-Description: File Transfer');
 472                 header('Content-Transfer-Encoding: binary');
 473                 header('Expires: 0');
 474                 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 475                 header('Pragma: public');
 476                             $f = fopen($url,"r");
 477                             if ( $doEncryption ) {
 478                                         $filetext = fread( $f, filesize($url) );
 479                                 $ciphertext = $this->encrypt( $filetext, $passphrase );
 480                                 $tmpfilepath = $GLOBALS['temporary_files_dir'];
 481                                 $tmpfilename = "/encrypted_".$d->get_url_file();
 482                                 $tmpfile = fopen( $tmpfilepath.$tmpfilename, "w+" );
 483                     fwrite( $tmpfile, $ciphertext );
 484                     fclose( $tmpfile );
 485                     header('Content-Disposition: attachment; filename='.$tmpfilename );
 486                                 header("Content-Type: application/octet-stream" );
 487                                 header("Content-Length: " . filesize( $tmpfilepath.$tmpfilename ) );
 488                                 ob_clean();
 489                             flush();
 490                             readfile( $tmpfilepath.$tmpfilename );
 491                     unlink( $tmpfilepath.$tmpfilename );
 492                             } else {
 493                                 header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename($d->get_url()) . "\"");
 494                                 header("Content-Type: " . $d->get_mimetype());
 495                                 header("Content-Length: " . filesize($url));
 496                                 fpassthru($f);
 497                             }
 498                             exit;
 499                         }
 500                         else {
 501                             //special case when retrieving a document that has been converted to a jpg and not directly referenced in database
 502                                 $convertedFile = substr(basename($url), 0, strrpos(basename($url), '.')) . '_converted.jpg';
 503                                 if($couch_docid && $couch_revid){
 504                                 $url = $GLOBALS['OE_SITE_DIR'] . '/documents/temp/' . $convertedFile;
 505                                 }
 506                                 else{
 507                                 $url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_patientid . '/' . $convertedFile;
 508                 }
 509                                 header("Pragma: public");
 510                             header("Expires: 0");
 511                             header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
 512                             header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename($url) . "\"");
 513                             header("Content-Type: image/jpeg");
 514                             header("Content-Length: " . filesize($url));
 515                             $f = fopen($url,"r");
 516                             fpassthru($f);
 517                                 if($couch_docid && $couch_revid){
 518                                 fclose($f);
 519                                 unlink($url);
 520                                 $url=str_replace("_converted.jpg",'.pdf',$url);
 521                                 unlink($url);
 522                                 }
 523                             exit;
 524                         }
 525                 }
 526         }
 527
 528         function queue_action($patient_id="") {
 529                 $messages = $this->_tpl_vars['messages'];
 530                 $queue_files = array();
 531
 532                 //see if the repository exists and it is a directory else error
 533                 if (file_exists($this->_config['repository']) && is_dir($this->_config['repository'])) {
 534                         $dir = opendir($this->_config['repository']);
 535                         //read each entry in the directory
 536                         while (($file = readdir($dir)) !== false) {
 537                                 //concat the filename and path
 538                                 $file = $this->_config['repository'] .$file;
 539                                 $file_info = array();
 540                                 //if the filename is a file get its info and put into a tmp array
 541                                 if (is_file($file) && strpos(basename($file),".") !== 0) {
 542                                         $file_info['filename'] = basename($file);
 543                                         $file_info['mtime'] = date("m/d/Y H:i:s",filemtime($file));
 544                                         $d = Document::document_factory_url("file://" . $file);
 545                                         preg_match("/^([0-9]+)_/",basename($file),$patient_match);
 546                                         $file_info['patient_id'] = $patient_match[1];
 547                                         $file_info['document_id'] = $d->get_id();
 548                                         $file_info['web_path'] = $this->_link("retrieve",true) . "document_id=" . $d->get_id() . "&";
 549
 550                                         //merge the tmp array into the larger array
 551                                         $queue_files[] = $file_info;
 552                                 }
 553                 }
 554                 closedir($dir);
 555                 }
 556                 else {
 557                         $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";
 558                 }
 559
 560
 561                 $this->assign("queue_files",$queue_files);
 562                 $this->_last_node = null;
 563
 564                 $menu  = new HTML_TreeMenu();
 565
 566                 //pass an empty array because we don't want the documents for each category showing up in this list box
 567                 $rnode = $this->_array_recurse($this->tree->tree,array());
 568                 $menu->addItem($rnode);
 569                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array());
 570
 571                 $this->assign("tree_html_listbox",$treeMenu_listbox->toHTML());
 572
 573                 $this->assign("messages",nl2br($messages));
 574                 return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_queue.html");
 575         }
 576
 577         function queue_action_process() {
 578                 if ($_POST['process'] != "true")
 579                         return;
 580
 581                 $messages = $this->_tpl_vars['messages'];
 582
 583                 //build a category tree so we can have a list of category ids that are valid
 584                 $ct = new CategoryTree(1);
 585                 $categories = $ct->_id_name;
 586
 587                 //see if there were and posted files and assign them
 588                 $files = null;
 589                 is_array($_POST['files']) ? $files = $_POST['files']: $files = array();
 590
 591                 //loop through posted files
 592                 foreach($files as $doc_id=> $file) {
 593                         //only operate on files checked as active
 594                         if (!$file['active']) continue;
 595
 596                         //run basic validation checks
 597                         if (!is_numeric($file['patient_id']) || !is_numeric($file['category_id']) || !is_numeric($doc_id)) {
 598                                 $messages .= "Error processing file '" . $file['name'] ."' the patient id must be a number and the category must exist.\n";
 599                                 continue;
 600                         }
 601
 602                         //validate that the pod exists
 603                         $d = new Document($doc_id);
 604                         $sql = "SELECT pid from patient_data where pubpid = '" . $file['patient_id'] . "'";
 605                         $result = $d->_db->Execute($sql);
 606
 607                         if (!$result || $result->EOF) {
 608                                 //patient id does not exist
 609                                 $messages .= "Error processing file '" . $file['name'] ." the specified patient id '" . $file['patient_id'] . "' could not be found.\n";
 610                                 continue;
 611                         }
 612
 613                         //validate that the category id exists
 614                         if (!isset($categories[$file['category_id']])) {
 615                                 $messages .= "Error processing file '" . $file['name'] . " the specified category with id '" . $file['category_id'] . "' could not be found.\n";
 616                                 continue;
 617                         }
 618
 619                         //now do the work of moving the file
 620                         $new_path = $this->_config['repository'] . $file['patient_id'] ."/";
 621
 622                         //see if the patient dir exists in the repository and create if not
 623                         if (!file_exists($new_path)) {
 624                                 if (!mkdir($new_path,0700)) {
 625                                         $messages .= "The system was unable to create the directory for this upload, '" . $this->file_path . "'.\n";
 626                                         continue;
 627                                 }
 628                         }
 629
 630                         //fname is the name of the file after it is moved
 631                         $fname = $file['name'];
 632
 633                         //see if patient autonumbering is used in this filename, if so strip out the autonumber part
 634                         preg_match("/^([0-9]+)_/",basename($fname),$patient_match);
 635                         if ($patient_match[1] == $file['patient_id']) {
 636                                 $fname = preg_replace("/^([0-9]+)_/","",$fname);
 637                         }
 638
 639                         //filenames should not have funny chars
 640                         $fname = preg_replace("/[^a-zA-Z0-9_.]/","_",$fname);
 641
 642                         //see if there is an existing file with the same name and rename as necessary
 643                         if (file_exists($new_path.$file['name'])) {
 644                                 $messages .= "File with same name already exists at location: " . $new_path . "\n";
 645                                 $fname = basename($this->_rename_file($new_path.$file['name']));
 646                                 $messages .= "Current file name was changed to " . $fname ."\n";
 647                         }
 648
 649                         //now move the file
 650                         if (rename($this->_config['repository'].$file['name'],$new_path.$fname)) {
 651                                 $messages .= "File " . $fname . " moved to patient id '" . $file['patient_id'] ."' and category '" . $categories[$file['category_id']]['name'] . "' successfully.\n";
 652                                 $d->url = "file://" .$new_path.$fname;
 653                                 $d->set_foreign_id($file['patient_id']);
 654                                 $d->set_mimetype($mimetype);
 655                                 $d->persist();
 656                                 $d->populate();
 657
 658                                 if (is_numeric($d->get_id()) && is_numeric($file['category_id'])) {
 659                                   $sql = "REPLACE INTO categories_to_documents set category_id = '" . $file['category_id'] . "', document_id = '" . $d->get_id() . "'";
 660                                   $d->_db->Execute($sql);
 661                                 }
 662                         }
 663                         else {
 664                                 $error .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 665                         }
 666                 }
 667                         $this->assign("messages",$messages);
 668                         $_POST['process'] = "";
 669         }
 670
 671         function move_action_process($patient_id="",$document_id) {
 672                 if ($_POST['process'] != "true")
 673                         return;
 674
 675                 $new_category_id = $_POST['new_category_id'];
 676                 $new_patient_id = $_POST['new_patient_id'];
 677
 678                 //move to new category
 679                 if (is_numeric($new_category_id) && is_numeric($document_id)) {
 680                         $sql = "UPDATE categories_to_documents set category_id = '" . $new_category_id . "' where document_id = '" . $document_id ."'";
 681                         $messages .= xl('Document moved to new category','','',' \'') . $this->tree->_id_name[$new_category_id]['name']  . xl('successfully.','','\' ') . "\n";
 682                         //echo $sql;
 683                         $this->tree->_db->Execute($sql);
 684                 }
 685
 686                 //move to new patient
 687                 if (is_numeric($new_patient_id) && is_numeric($document_id)) {
 688                         $d = new Document($document_id);
 689                         // $sql = "SELECT pid from patient_data where pubpid = '" . $new_patient_id . "'";
 690                         $sql = "SELECT pid from patient_data where pid = '" . $new_patient_id . "'";
 691                         $result = $d->_db->Execute($sql);
 692
 693                         if (!$result || $result->EOF) {
 694                                 //patient id does not exist
 695                                 $messages .= xl('Document could not be moved to patient id','','',' \'') . $new_patient_id  . xl('because that id does not exist.','','\' ') . "\n";
 696                         }
 697                         else {
 698
 699                                 $couch_docid = $d->get_couch_docid();
 700                                 $couch_revid = $d->get_couch_revid();
 701                                 //set the new patient in CouchDB
 702                                 $couchsavefailed=false;
 703                                 if($couch_docid && $couch_revid){
 704                                 $couch = new CouchDB();
 705                                 $db = $GLOBALS['couchdb_dbase'];
 706                                 $data=array($db,$couch_docid);
 707                                 $couchresp=$couch->retrieve_doc($data);
 708                                 //CouchDB doesnot support updating a single value in a document.
 709                                 //Have to retrieve the entire document,update the necessary value and save again
 710                                 list($db,$docid,$revid,$patient_id,$encounter,$type,$json) = $data;
 711                                 $data=array($db,$couch_docid,$couch_revid,$new_patient_id,$couchresp->encounter,$couchresp->mimetype,json_encode($couchresp->data));
 712                                 $resp = $couch->update_doc($data);
 713                                 //Sometimes the response from CouchDB is not available
 714                                 //still it would have saved in the DB. Hence check one more time
 715                                 if(!$resp->_id || !$resp->_rev){
 716                                         $data = array($db,$couch_docid,$new_patient_id,$couchresp->encounter);
 717                                         $resp = $couch->retrieve_doc($data);
 718
 719
 720                                 }
 721                                 if($resp->_rev ==$couch_revid){
 722                                         $couchsavefailed=true;
 723                                         }
 724                                 else{
 725                                 $d->set_couch_revid($resp->_rev);
 726                                 }
 727                                 }
 728
 729
 730                                 //set the new patient in mysql
 731                                 $d->set_foreign_id($new_patient_id);
 732                                 $d->persist();
 733                                 $this->_state = false;
 734                                 if(!$couchsavefailed){
 735
 736                                 $messages .= xl('Document moved to patient id','','',' \'') . $new_patient_id  . xl('successfully.','','\' ') . "\n";
 737                                 }
 738                                 else{
 739
 740                                 $messages .= xl('Document moved to patient id','','',' \'') . $new_patient_id  . xl('Failed.','','\' ') . "\n";
 741                                 }
 742                                 $this->assign("messages",$messages);
 743                                 return $this->list_action($patient_id);
 744                         }
 745                 }
 746                 //in this case return the document to the queue instead of moving it
 747                 elseif (strtolower($new_patient_id) == "q" && is_numeric($document_id)) {
 748                         $d = new Document($document_id);
 749                         $new_path = $this->_config['repository'];
 750                         $fname = $d->get_url_file();
 751
 752                         //see if there is an existing file with the same name and rename as necessary
 753                         if (file_exists($new_path.$d->get_url_file())) {
 754                                 $messages .= "File with same name already exists in the queue.\n";
 755                                 $fname = basename($this->_rename_file($new_path.$d->get_url_file()));
 756                                 $messages .= "Current file name was changed to " . $fname ."\n";
 757                         }
 758
 759                         //now move the file
 760                         if (rename($d->get_url_filepath(),$new_path.$fname)) {
 761                                 $d->url = "file://" .$new_path.$fname;
 762                                 $d->set_foreign_id("");
 763                                 $d->persist();
 764                                 $d->persist();
 765                                 $d->populate();
 766
 767                                 $sql = "DELETE FROM categories_to_documents where document_id =" . $d->_db->qstr($document_id);
 768                                 $d->_db->Execute($sql);
 769                                 $messages .= "Document returned to queue successfully.\n";
 770
 771                         }
 772                         else {
 773                                 $messages .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 774                         }
 775
 776                         $this->_state = false;
 777                         $this->assign("messages",$messages);
 778                         return $this->list_action($patient_id);
 779                 }
 780
 781                 $this->_state = false;
 782                 $this->assign("messages",$messages);
 783                 return $this->view_action($patient_id,$document_id);
 784         }
 785
 786         function validate_action_process($patient_id="", $document_id) {
 787
 788                 $d = new Document($document_id);
 789                 if($d->couch_docid && $d->couch_revid){
 790                         $file_path = $GLOBALS['OE_SITE_DIR'].'/documents/temp/';
 791                         $url = $file_path.$d->get_url();
 792                         $couch = new CouchDB();
 793                         $data = array($GLOBALS['couchdb_dbase'],$d->couch_docid);
 794                         $resp = $couch->retrieve_doc($data);
 795                         $content = $resp->data;
 796                         //--------Temporarily writing the file for calculating the hash--------//
 797                         //-----------Will be removed after calculating the hash value----------//
 798                         $temp_file = fopen($url,"w");
 799                         fwrite($temp_file,base64_decode($content));
 800                         fclose($temp_file);
 801                 }
 802                 else{
 803                 $url =  $d->get_url();
 804
 805                 //strip url of protocol handler
 806                 $url = preg_replace("|^(.*)://|","",$url);
 807
 808                 //change full path to current webroot.  this is for documents that may have
 809                 //been moved from a different filesystem and the full path in the database
 810                 //is not current.  this is also for documents that may of been moved to
 811                 //different patients
 812                 // NOTE that $from_filename and basename($url) are the same thing
 813                 $from_all = explode("/",$url);
 814                 $from_filename = array_pop($from_all);
 815                 $from_patientid = array_pop($from_all);
 816                 $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_patientid . '/' . $from_filename;
 817                 if (file_exists($temp_url)) {
 818                         $url = $temp_url;
 819                 }
 820
 821             if ($_POST['process'] != "true") {
 822                         die("process is '" . $_POST['process'] . "', expected 'true'");
 823                         return;
 824                 }
 825                 }
 826                 $d = new Document( $document_id );
 827                 $current_hash = sha1_file( $url );
 828                 $messages = xl('Current Hash').": ".$current_hash."<br>";
 829                 $messages .= xl('Stored Hash').": ".$d->get_hash()."<br>";
 830                 if ( $d->get_hash() == '' ) {
 831                     $d->hash = $current_hash;
 832                     $d->persist();
 833                     $d->populate();
 834                     $messages .= xl('Hash did not exist for this file. A new hash was generated.');
 835                 } else if ( $current_hash != $d->get_hash() ) {
 836                     $messages .= xl('Hash does not match. Data integrity has been compromised.');
 837                 } else {
 838                     $messages .= xl('Document passed integrity check.');
 839                 }
 840                 $this->_state = false;
 841                 $this->assign("messages", $messages);
 842                 if($d->couch_docid && $d->couch_revid){
 843                         //Removing the temporary file which is used to create the hash
 844                         unlink($GLOBALS['OE_SITE_DIR'].'/documents/temp/'.$d->get_url());
 845                 }
 846                 return $this->view_action($patient_id, $document_id);
 847         }
 848
 849         // Added by Rod for metadata update.
 850         //
 851         function update_action_process($patient_id="", $document_id) {
 852
 853                 if ($_POST['process'] != "true") {
 854                         die("process is '" . $_POST['process'] . "', expected 'true'");
 855                         return;
 856                 }
 857
 858                 $docdate = $_POST['docdate'];
 859                 $docname = $_POST['docname'];
 860                 $issue_id = $_POST['issue_id'];
 861
 862                 if (is_numeric($document_id)) {
 863                     $messages = '';
 864                     $d = new Document( $document_id );
 865                     $file_name = $d->get_url_file();
 866                     if ( $docname != '' &&
 867                          $docname != $file_name ) {
 868                         $path = $d->get_url_filepath();
 869                         $path = str_replace( $file_name, "", $path );
 870                         $new_url = $this->_rename_file( $path.$docname );
 871                     if ( rename( $d->get_url(), $new_url ) ) {
 872                         // check the "converted" file, and delete it if it exists. It will be regenerated when report is run
 873                         $url = preg_replace("|^(.*)://|","",$d->get_url());
 874                         $convertedFile = substr(basename($url), 0, strrpos(basename($url), '.')) . '_converted.jpg';
 875                     $url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $patient_id . '/' . $convertedFile;
 876                                 if ( file_exists( $url ) ) {
 877                                     unlink( $url );
 878                                 }
 879                                 $d->url = $new_url;
 880                     $d->persist();
 881                     $d->populate();
 882                                 $messages .= xl('Document successfully renamed.')."<br>";
 883                         } else {
 884                                 $messages .= xl('The file could not be succesfully renamed, this error is usually related to permissions problems on the storage system.')."<br>";
 885                         }
 886                     }
 887
 888                         if (preg_match('/^\d\d\d\d-\d+-\d+$/', $docdate)) {
 889                                 $docdate = "'$docdate'";
 890                         } else {
 891                                 $docdate = "NULL";
 892                         }
 893                         if (!is_numeric($issue_id)) {
 894                                 $issue_id = 0;
 895                         }
 896                         $couch_docid = $d->get_couch_docid();
 897                         $couch_revid = $d->get_couch_revid();
 898                         if($couch_docid && $couch_revid ){
 899                         $sql = "UPDATE documents SET docdate = $docdate, url = '".$_POST['docname']."', " .
 900                                         "list_id = '$issue_id' " .
 901                                         "WHERE id = '$document_id'";
 902                         $this->tree->_db->Execute($sql);
 903
 904                         }
 905                         else{
 906                         $sql = "UPDATE documents SET docdate = $docdate, " .
 907                                 "list_id = '$issue_id' " .
 908                                 "WHERE id = '$document_id'";
 909                         $this->tree->_db->Execute($sql);
 910                         }
 911                         $messages .= xl('Document date and issue updated successfully') . "<br>";
 912                 }
 913
 914                 $this->_state = false;
 915                 $this->assign("messages", $messages);
 916                 return $this->view_action($patient_id, $document_id);
 917         }
 918
 919         function list_action($patient_id = "") {
 920                 $this->_last_node = null;
 921                 $categories_list = $this->tree->_get_categories_array($patient_id);
 922                 //print_r($categories_list);
 923
 924                 $menu  = new HTML_TreeMenu();
 925                 $rnode = $this->_array_recurse($this->tree->tree,$categories_list);
 926                 $menu->addItem($rnode);
 927                 $treeMenu = &new HTML_TreeMenu_DHTML($menu, array('images' => 'images', 'defaultClass' => 'treeMenuDefault'));
 928                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array('linkTarget' => '_self'));
 929
 930                 $this->assign("tree_html",$treeMenu->toHTML());
 931
 932                 return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_list.html");
 933         }
 934
 935         /*
 936         *       This is a recursive function to rename a file to something that doesn't already exist.
 937         *       Modified in version 3.2.0 to place a counter within the filename (previously was placed at end)
 938         *        to ensure documents opened correctly by external browser viewers. If the counter is at the
 939         *        end of the file, then will use it (to continue to work with older files), however all new
 940         *        counters will be placed within filenames.
 941         */
 942         function _rename_file($fname) {
 943                 $file = basename($fname);
 944                 $fparts = split("\.",$fname);
 945                 $path = dirname($fname);
 946                 if (count($fparts) > 1) {
 947                   if (is_numeric($fparts[count($fparts) -2]) && (count($fparts) > 2)) {
 948                         //increment the counter in filename
 949                         $fparts[count($fparts) -2] = $fparts[count($fparts) -2] + 1;
 950                         $fname = join(".",$fparts);
 951                   }
 952                   elseif (is_numeric($fparts[count($fparts) -1]) && $fparts[count($fparts) -1] < 1000) {
 953                         //increment counter at end of filename (so compatible with previous openemr version files
 954                         $fparts[count($fparts) -1] = $fparts[count($fparts) -1] + 1;
 955                         $fname = join(".",$fparts);
 956                   }
 957                   elseif (is_numeric($fparts[count($fparts) -1])) {
 958                         //leave date at end and place counter in filename
 959                         array_splice($fparts, -1, 0, "1");
 960                         $fname = join(".",$fparts);
 961                   }
 962                   else {
 963                         //add the counter to filename
 964                         array_splice($fparts, -1, 0, "1");
 965                         $fname = join(".",$fparts);
 966                   }
 967                 }
 968                 else { // (count($fparts) == 1)
 969                   //place counter at end of filename
 970                   array_push($fparts,"1");
 971                   $fname = join(".",$fparts);
 972                 }
 973
 974                 if (file_exists($fname)) {
 975                         return $this->_rename_file($fname);
 976                 }
 977                 else {
 978                         return($fname);
 979                 }
 980         }
 981
 982         function &_array_recurse($array,$categories = array()) {
 983                 if (!is_array($array)) {
 984                         $array = array();
 985                 }
 986                 $node = &$this->_last_node;
 987                 $current_node = &$node;
 988                 $expandedIcon = 'folder-expanded.gif';
 989                 foreach($array as $id => $ar) {
 990                         $icon = 'folder.gif';
 991                         if (is_array($ar)  || !empty($id)) {
 992                           if ($node == null) {
 993                                 //echo "r:" . $this->tree->get_node_name($id) . "<br>";
 994                             $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));
 995                             $this->_last_node = &$rnode;
 996                                 $node = &$rnode;
 997                                 $current_node =&$rnode;
 998                           }
 999                           else {
1000                                 //echo "p:" . $this->tree->get_node_name($id) . "<br>";
1001                             $this->_last_node = &$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)));
1002                             $current_node =&$this->_last_node;
1003                           }
1004
1005                           $this->_array_recurse($ar,$categories);
1006                         }
1007                         else {
1008                                 if ($id === 0 && !empty($ar)) {
1009                                   $info = $this->tree->get_node_info($id);
1010                                   //echo "b:" . $this->tree->get_node_name($id) . "<br>";
1011                                   $current_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $info['value'], 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
1012                                 }
1013                                 else {
1014                                         //there is a third case that is implicit here when title === 0 and $ar is empty, in that case we do not want to do anything
1015                                         //this conditional tree could be more efficient but working with recursive trees makes my head hurt, TODO
1016                                         if ($id !== 0 && is_object($node)) {
1017                                           //echo "n:" . $this->tree->get_node_name($id) . "<br>";
1018                                           $current_node = &$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)));
1019
1020                                         }
1021                                 }
1022                         }
1023
1024                         // If there are documents in this document category, then add their
1025                         // attributes to the current node.
1026                         $icon = "file3.png";
1027                         if (is_array($categories[$id])) {
1028                                 foreach ($categories[$id] as $doc) {
1029           if($this->tree->get_node_name($id) == "CCR"){
1030             $current_node->addItem(new HTML_TreeNode(array(
1031               'text' => $doc['docdate'] . ' ' . basename($doc['url']),
1032               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1033               'icon' => $icon,
1034               'expandedIcon' => $expandedIcon,
1035               'events' => array('Onclick' => "javascript:newwindow=window.open('ccr/display.php?type=CCR&doc_id=" . $doc['document_id'] . "','CCR');")
1036             )));
1037           }elseif($this->tree->get_node_name($id) == "CCD"){
1038             $current_node->addItem(new HTML_TreeNode(array(
1039               'text' => $doc['docdate'] . ' ' . basename($doc['url']),
1040               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1041               'icon' => $icon,
1042               'expandedIcon' => $expandedIcon,
1043               'events' => array('Onclick' => "javascript:newwindow=window.open('ccr/display.php?type=CCD&doc_id=" . $doc['document_id'] . "','CCD');")
1044             )));
1045           }else{
1046             $current_node->addItem(new HTML_TreeNode(array(
1047               'text' => $doc['docdate'] . ' ' . basename($doc['url']),
1048               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1049               'icon' => $icon,
1050               'expandedIcon' => $expandedIcon
1051             )));
1052           }
1053                                 }
1054                         }
1055
1056                 }
1057                 return $node;
1058         }
1059
1060         //function for logging  the errors in writing file to CouchDB/Hard Disk
1061         function document_upload_download_log($patientid,$content){
1062                 $log_path = $GLOBALS['OE_SITE_DIR']."/documents/couchdb/";
1063                 $log_file = 'log.txt';
1064                 if(!is_dir($log_path))
1065                     mkdir($log_path,0777,true);
1066                 $LOG = fopen($log_path.$log_file,'a');
1067                 fwrite($LOG,$content);
1068                 fclose($LOG);
1069         }
1070
1071 }
1072 //place to hold optional code
1073 //$first_node = array_keys($t->tree);
1074                 //$first_node = $first_node[0];
1075                 //$node1 = new HTML_TreeNode(array('text' => $t->get_node_name($first_node), 'link' => "test.php", 'icon' => $icon, 'expandedIcon' => $expandedIcon, 'expanded' => true), array('onclick' => "alert('foo'); return false", 'onexpand' => "alert('Expanded')"));
1076
1077                 //$this->_last_node = &$node1;
1078
1079 ?>