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 = $GLOBALS['OE_SITE_DIR'].'/documents/temp/';
  35                 }
  36                 else{
  37                         if ( (!empty($_GET['higher_level_path'])) && (is_numeric($_GET['patient_id']) && $_GET['patient_id']>0) ) {
  38                                 // Allow higher level directory structure in documents directory and a patient is mapped
  39                                 $this->file_path = $this->_config['repository'] . preg_replace("/[^A-Za-z0-9\/]/","_",$_GET['higher_level_path']) . "/";
  40                         }
  41                         else if (!empty($_GET['higher_level_path'])) {
  42                                 // Allow higher level directory structure in documents directory and there is no patient mapping
  43                                 //  (Since a patient is not mapped, will create up to 10000 random directories and increment the path_depth by 1)
  44                                 $this->file_path = $this->_config['repository'] . preg_replace("/[^A-Za-z0-9\/]/","_",$_GET['higher_level_path']) . "/" . rand(1,10000)  . "/";
  45                                 $_POST['path_depth'] = $_POST['path_depth'] + 1;
  46                         }
  47                         else if ( !(is_numeric($_GET['patient_id'])) || !($_GET['patient_id']>0) ) {
  48                                 // This is the default action except there is no patient mapping (when patient_id is 00 or direct)
  49                                 //  (Since a patient is not mapped, will create up to 10000 random directories and set the path_depth to 2)
  50                                 $this->file_path = $this->_config['repository'] . preg_replace("/[^A-Za-z0-9]/","_",$_GET['patient_id']) . "/" . rand(1,10000)  . "/";
  51                                 $_POST['path_depth'] = 2;
  52                         }
  53                         else {
  54                                 // This is the default action where the patient is is used as one level directory structure in documents directory
  55                                 $this->file_path = $this->_config['repository'] . preg_replace("/[^A-Za-z0-9]/","_",$_GET['patient_id']) . "/";
  56                         }
  57                 }
  58                 $this->_args = array("patient_id" => $_GET['patient_id']);
  59
  60                 $this->assign("STYLE", $GLOBALS['style']);
  61                 $t = new CategoryTree(1);
  62                 //print_r($t->tree);
  63                 $this->tree = $t;
  64         }
  65
  66         function upload_action($patient_id,$category_id) {
  67                 $category_name = $this->tree->get_node_name($category_id);
  68                 $this->assign("category_id", $category_id);
  69                 $this->assign("category_name", $category_name);
  70                 $this->assign("hide_encryption", $GLOBALS['hide_document_encryption'] );
  71                 $this->assign("patient_id", $patient_id);
  72                 $activity = $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_upload.html");
  73                 $this->assign("activity", $activity);
  74                 return $this->list_action($patient_id);
  75         }
  76
  77         //Upload multiple files on single click
  78         //2013-02-10 EMR Direct: added $non_HTTP_owner to allow storage of Direct Message attachments
  79         //through this mechanism, and is set to the user_id for the background process adding the document
  80         function upload_action_process($non_HTTP_owner=false) {
  81                 $couchDB = false;
  82                 $harddisk = false;
  83                 if($GLOBALS['document_storage_method']==0){
  84                         $harddisk = true;
  85                 }
  86                 if($GLOBALS['document_storage_method']==1){
  87                         $couchDB = true;
  88                 }
  89
  90                 if ($_POST['process'] != "true")
  91                         return;
  92
  93                 $doDecryption = false;
  94                 $encrypted = $_POST['encrypted'];
  95                 $passphrase = $_POST['passphrase'];
  96                 if ( !$GLOBALS['hide_document_encryption'] &&
  97                         $encrypted && $passphrase ) {
  98                         $doDecryption = true;
  99                 }
 100
 101                 if (is_numeric($_POST['category_id'])) {
 102                         $category_id = $_POST['category_id'];
 103                 }
 104                 if (is_numeric($_POST['patient_id'])) {
 105                         $patient_id = $_POST['patient_id'];
 106                 }
 107
 108                 $sentUploadStatus = array();
 109                 if( count($_FILES['file']['name']) > 0){
 110                         $upl_inc = 0;
 111                         foreach($_FILES['file']['name'] as $key => $value){
 112                                 $fname = $value;
 113                                 $err = "";
 114                                 if ($_FILES['file']['error'][$key] > 0 || empty($fname) || $_FILES['file']['size'][$key] == 0) {
 115                                         $fname = $value;
 116                                         if (empty($fname)) {
 117                                                 $fname = htmlentities("<empty>");
 118                                         }
 119                                         $error = "Error number: " . $_FILES['file']['error'][$key] . " occured while uploading file named: " . $fname . "\n";
 120                                         if ($_FILES['file']['size'][$key] == 0) {
 121                                                 $error .= "The system does not permit uploading files of with size 0.\n";
 122                                         }
 123                                 }else{
 124
 125                                         if (!file_exists($this->file_path)) {
 126                                                 if (!mkdir($this->file_path,0700,true)) {
 127                                                         $error .= "The system was unable to create the directory for this upload, '" . $this->file_path . "'.\n";
 128                                                 }
 129                                         }
 130
 131                                         if ( $_POST['destination'] != '' ) {
 132                                                 $fname = $_POST['destination'];
 133                                         }
 134                                         $fname = preg_replace("/[^a-zA-Z0-9_.]/","_",$fname);
 135                                         if (file_exists($this->file_path.$fname)) {
 136                                                 $error .= xl('File with same name already exists at location:','','',' ') . $this->file_path . "\n";
 137                                                 $fname = basename($this->_rename_file($this->file_path.$fname));
 138                                                 $_FILES['file']['name'][$key] = $fname;
 139                                                 $error .= xl('Current file name was changed to','','',' ') . $fname ."\n";
 140                                         }
 141
 142                                         if ( $doDecryption ) {
 143                                                 $tmpfile = fopen( $_FILES['file']['tmp_name'][$key] , "r" );
 144                                                 $filetext = fread( $tmpfile, $_FILES['file']['size'][$key]  );
 145                                                 $plaintext = $this->decrypt( $filetext, $passphrase );
 146                                                 fclose($tmpfile);
 147                                                 unlink( $_FILES['file']['tmp_name'][$key] );
 148                                                 $tmpfile = fopen( $_FILES['file']['tmp_name'][$key], "w+" );
 149                                                 fwrite( $tmpfile, $plaintext );
 150                                                 fclose( $tmpfile );
 151                                                 $_FILES['file']['size'][$key] = filesize( $_FILES['file']['tmp_name'][$key] );
 152                                         }
 153
 154                                         $docid = '';
 155                                         $resp = '';
 156                                         if($couchDB == true){
 157                                                 $couch = new CouchDB();
 158                                                 $docname = $_SESSION['authId'].$patient_id.$encounter.$fname.date("%Y-%m-%d H:i:s");
 159                                                 $docid = $couch->stringToId($docname);
 160                                                 $tmpfile = fopen( $_FILES['file']['tmp_name'][$key], "rb" );
 161                                                 $filetext = fread( $tmpfile, $_FILES['file']['size'][$key] );
 162                                                 fclose( $tmpfile );
 163                                                 //--------Temporarily writing the file for calculating the hash--------//
 164                                                 //-----------Will be removed after calculating the hash value----------//
 165                                                 $temp_file = fopen($this->file_path.$fname,"w");
 166                                                 fwrite($temp_file,$filetext);
 167                                                 fclose($temp_file);
 168                                                 //---------------------------------------------------------------------//
 169
 170                                                 $json = json_encode(base64_encode($filetext));
 171                                                 $db = $GLOBALS['couchdb_dbase'];
 172                                                 $data = array($db,$docid,$patient_id,$encounter,$_FILES['file']['type'][$key],$json);
 173                                                 $resp = $couch->check_saveDOC($data);
 174                                                 if(!$resp->id || !$resp->_rev){
 175                                                         $data = array($db,$docid,$patient_id,$encounter);
 176                                                         $resp = $couch->retrieve_doc($data);
 177                                                         $docid = $resp->_id;
 178                                                         $revid = $resp->_rev;
 179                                                 }
 180                                                 else{
 181                                                         $docid = $resp->id;
 182                                                         $revid = $resp->rev;
 183                                                 }
 184                                                 if(!$docid && !$revid){ //if couchdb save failed
 185                                                         $error .=  "<font color='red'><b>".xl("The file could not be saved to CouchDB.") . "</b></font>\n";
 186                                                         if($GLOBALS['couchdb_log']==1){
 187                                                                 ob_start();
 188                                                                 var_dump($resp);
 189                                                                 $couchError=ob_get_clean();
 190                                                                 $log_content = date('Y-m-d H:i:s')." ==> Uploading document: ".$fname."\r\n";
 191                                                                 $log_content .= date('Y-m-d H:i:s')." ==> Failed to Store document content to CouchDB.\r\n";
 192                                                                 $log_content .= date('Y-m-d H:i:s')." ==> Document ID: ".$docid."\r\n";
 193                                                                 $log_content .= date('Y-m-d H:i:s')." ==> ".print_r($data,1)."\r\n";
 194                                                                 $log_content .= $couchError;
 195                                                                 $this->document_upload_download_log($patient_id,$log_content);//log error if any, for testing phase only
 196                                                         }
 197                                                 }
 198                                         }
 199
 200                                         if($harddisk == true){
 201                                                 $uploadSuccess = false;
 202                                                 $move_cmd = ($non_HTTP_owner ? "rename" : "move_uploaded_file");
 203                                                 if($move_cmd($_FILES['file']['tmp_name'][$key],$this->file_path.$fname)){
 204                                                         $uploadSuccess = true;
 205                                                 }
 206                                                 else{
 207                                                         $error .= xl("The file could not be succesfully stored, this error is usually related to permissions problems on the storage system")."\n";
 208                                                 }
 209                                         }
 210
 211                                         $this->assign("upload_success", "true");
 212                                         $d = new Document();
 213                                         $d->storagemethod = $GLOBALS['document_storage_method'];
 214                                         if($harddisk == true) {
 215                                                 $d->url = "file://" .$this->file_path.$fname;
 216                                                 if (is_numeric($_POST['path_depth'])) {
 217                                                         // this is for when directory structure is more than one level
 218                                                         $d->path_depth = $_POST['path_depth'];
 219                                                 }
 220                                         }
 221                                         else {
 222                                                 $d->url = $fname;
 223                                         }
 224                                         if($couchDB == true){
 225                                                 $d->couch_docid = $docid;
 226                                                 $d->couch_revid = $revid;
 227                                         }
 228                                         if ($_FILES['file']['type'][$key] == 'text/xml') {
 229                                                 $d->mimetype = 'application/xml';
 230                                         }
 231                                         else {
 232                                                 $d->mimetype = $_FILES['file']['type'][$key];
 233                                         }
 234                                         $d->size = $_FILES['file']['size'][$key];
 235                                         $d->owner = $non_HTTP_owner ? $non_HTTP_owner : $_SESSION['authUserID'];
 236                                         $sha1Hash = sha1_file( $this->file_path.$fname );
 237                                         if($couchDB == true){
 238                                                 //Removing the temporary file which is used to create the hash
 239                                                 unlink($this->file_path.$fname);
 240                                         }
 241                                         $d->hash = $sha1Hash;
 242                                         $d->type = $d->type_array['file_url'];
 243                                         $d->set_foreign_id($patient_id);
 244                                         if($harddisk == true || ($couchDB == true && $docid && $revid)){
 245                                                 $d->persist();
 246                                                 $d->populate();
 247                                         }
 248                                         $sentUploadStatus[] = $d;
 249                                         $this->assign("file",$sentUploadStatus);
 250
 251                                         if (is_numeric($d->get_id()) && is_numeric($category_id)){
 252                                                 $sql = "REPLACE INTO categories_to_documents set category_id = '" . $category_id . "', document_id = '" . $d->get_id() . "'";
 253                                                 $d->_db->Execute($sql);
 254                                         }
 255                                         if($GLOBALS['couchdb_log']==1 && $log_content!=''){
 256                                                 $log_content .= "\r\n\r\n";
 257                                                 $this->document_upload_download_log($patient_id,$log_content);
 258                                         }
 259                                 }
 260                         }
 261                 }
 262
 263                 $this->assign("error", nl2br($error));
 264                 //$this->_state = false;
 265                 $_POST['process'] = "";
 266                 //return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_upload.html");
 267         }
 268
 269         function note_action_process($patient_id) {
 270
 271                 if ($_POST['process'] != "true")
 272                         return;
 273
 274                 $n = new Note();
 275                 $n->set_owner($_SESSION['authUserID']);
 276                 parent::populate_object($n);
 277                 $n->persist();
 278
 279                 $this->_state = false;
 280                 $_POST['process'] = "";
 281                 return $this->view_action($patient_id,$n->get_foreign_id());
 282         }
 283
 284         function default_action() {
 285                 return $this->list_action();
 286         }
 287
 288         function view_action($patient_id="",$doc_id) {
 289                 // Added by Rod to support document delete:
 290                 global $gacl_object, $phpgacl_location;
 291                 global $ISSUE_TYPES;
 292
 293                 require_once(dirname(__FILE__) . "/../library/acl.inc");
 294                 require_once(dirname(__FILE__) . "/../library/lists.inc");
 295
 296                 $d = new Document($doc_id);
 297                 $n = new Note();
 298
 299                 $notes = $n->notes_factory($doc_id);
 300
 301                 $this->assign("file", $d);
 302                 $this->assign("web_path", $this->_link("retrieve") . "document_id=" . $d->get_id() . "&");
 303                 $this->assign("NOTE_ACTION",$this->_link("note"));
 304                 $this->assign("MOVE_ACTION",$this->_link("move") . "document_id=" . $d->get_id() . "&process=true");
 305                 $this->assign("hide_encryption", $GLOBALS['hide_document_encryption'] );
 306
 307                 // Added by Rod to support document delete:
 308                 $delete_string = '';
 309                 if (acl_check('admin', 'super')) {
 310                         $delete_string = "<a href='' class='css_button' onclick='return deleteme(" . $d->get_id() .
 311                                 ")'><span><font color='red'>" . xl('Delete') . "</font></span></a>";
 312                 }
 313                 $this->assign("delete_string", $delete_string);
 314                 $this->assign("REFRESH_ACTION",$this->_link("list"));
 315
 316                 $this->assign("VALIDATE_ACTION",$this->_link("validate") .
 317                         "document_id=" . $d->get_id() . "&process=true");
 318
 319                 // Added by Rod to support document date update:
 320                 $this->assign("DOCDATE", $d->get_docdate());
 321                 $this->assign("UPDATE_ACTION",$this->_link("update") .
 322                         "document_id=" . $d->get_id() . "&process=true");
 323
 324                 // Added by Rod to support document issue update:
 325                 $issues_options = "<option value='0'>-- " . xl('Select Issue') . " --</option>";
 326                 $ires = sqlStatement("SELECT id, type, title, begdate FROM lists WHERE " .
 327                         "pid = $patient_id " . // AND enddate IS NULL " .
 328                         "ORDER BY type, begdate");
 329                 while ($irow = sqlFetchArray($ires)) {
 330                         $desc = $irow['type'];
 331                         if ($ISSUE_TYPES[$desc]) $desc = $ISSUE_TYPES[$desc][2];
 332                         $desc .= ": " . $irow['begdate'] . " " . htmlspecialchars(substr($irow['title'], 0, 40));
 333                         $sel = ($irow['id'] == $d->get_list_id()) ? ' selected' : '';
 334                         $issues_options .= "<option value='" . $irow['id'] . "'$sel>$desc</option>";
 335                 }
 336                 $this->assign("ISSUES_LIST", $issues_options);
 337
 338                 $this->assign("notes",$notes);
 339
 340                 $this->_last_node = null;
 341
 342                 $menu  = new HTML_TreeMenu();
 343
 344                 //pass an empty array because we don't want the documents for each category showing up in this list box
 345                 $rnode = $this->_array_recurse($this->tree->tree,array());
 346                 $menu->addItem($rnode);
 347                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array("promoText" => xl('Move Document to Category:')));
 348
 349                 $this->assign("tree_html_listbox",$treeMenu_listbox->toHTML());
 350
 351                 $activity = $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_view.html");
 352                 $this->assign("activity", $activity);
 353
 354                 return $this->list_action($patient_id);
 355         }
 356
 357         function encrypt( $plaintext, $key, $cypher = 'tripledes', $mode = 'cfb' )
 358     {
 359         $td = mcrypt_module_open( $cypher, '', $mode, '');
 360         $iv = mcrypt_create_iv( mcrypt_enc_get_iv_size( $td ), MCRYPT_RAND );
 361         mcrypt_generic_init( $td, $key, $iv );
 362         $crypttext = mcrypt_generic( $td, $plaintext );
 363         mcrypt_generic_deinit( $td );
 364         return $iv.$crypttext;
 365     }
 366
 367     function decrypt( $crypttext, $key, $cypher = 'tripledes', $mode = 'cfb' )
 368     {
 369         $plaintext = '';
 370         $td = mcrypt_module_open( $cypher, '', $mode, '' );
 371         $ivsize = mcrypt_enc_get_iv_size( $td) ;
 372         $iv = substr( $crypttext, 0, $ivsize );
 373         $crypttext = substr( $crypttext, $ivsize );
 374         if( $iv )
 375         {
 376             mcrypt_generic_init( $td, $key, $iv );
 377             $plaintext = mdecrypt_generic( $td, $crypttext );
 378         }
 379         return $plaintext;
 380     }
 381
 382
 383         function retrieve_action($patient_id="",$document_id,$as_file=true,$original_file=true) {
 384
 385             $encrypted = $_POST['encrypted'];
 386                 $passphrase = $_POST['passphrase'];
 387                 $doEncryption = false;
 388                 if ( !$GLOBALS['hide_document_encryption'] &&
 389                     $encrypted == "true" &&
 390                     $passphrase ) {
 391                     $doEncryption = true;
 392                 }
 393
 394                 //controller function ruins booleans, so need to manually re-convert to booleans
 395                 if ($as_file == "true") {
 396                         $as_file=true;
 397                 }
 398                 else if ($as_file == "false") {
 399                         $as_file=false;
 400                 }
 401                 if ($original_file == "true") {
 402                         $original_file=true;
 403                 }
 404                 else if ($original_file == "false") {
 405                         $original_file=false;
 406                 }
 407
 408                 $d = new Document($document_id);
 409                 $url =  $d->get_url();
 410                 $storagemethod = $d->get_storagemethod();
 411                 $couch_docid = $d->get_couch_docid();
 412                 $couch_revid = $d->get_couch_revid();
 413
 414                 if($couch_docid && $couch_revid && $original_file){
 415                         $couch = new CouchDB();
 416                         $data = array($GLOBALS['couchdb_dbase'],$couch_docid);
 417                         $resp = $couch->retrieve_doc($data);
 418                         $content = $resp->data;
 419                         if($content=='' && $GLOBALS['couchdb_log']==1){
 420                                 $log_content = date('Y-m-d H:i:s')." ==> Retrieving document\r\n";
 421                                 $log_content = date('Y-m-d H:i:s')." ==> URL: ".$url."\r\n";
 422                                 $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Document Id: ".$couch_docid."\r\n";
 423                                 $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Revision Id: ".$couch_revid."\r\n";
 424                                 $log_content .= date('Y-m-d H:i:s')." ==> Failed to fetch document content from CouchDB.\r\n";
 425                                 $log_content .= date('Y-m-d H:i:s')." ==> Will try to download file from HardDisk if exists.\r\n\r\n";
 426                                 $this->document_upload_download_log($d->get_foreign_id(),$log_content);
 427                                 die(xl("File retrieval from CouchDB failed"));
 428                         }
 429                         header('Content-Description: File Transfer');
 430                         header('Content-Transfer-Encoding: binary');
 431                         header('Expires: 0');
 432                         header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 433                         header('Pragma: public');
 434                         $tmpcouchpath = $GLOBALS['OE_SITE_DIR'].'/documents/temp/couch_'.date("YmdHis").$d->get_url_file();
 435                         $fh = fopen($tmpcouchpath,"w");
 436                         fwrite($fh,base64_decode($content));
 437                         fclose($fh);
 438                         $f = fopen($tmpcouchpath,"r");
 439                         if ( $doEncryption ) {
 440                                 $filetext = fread( $f, filesize($tmpcouchpath) );
 441                                 $ciphertext = $this->encrypt( $filetext, $passphrase );
 442                                 $tmpfilepath = $GLOBALS['temporary_files_dir'];
 443                                 $tmpfilename = "/encrypted_".$d->get_url_file();
 444                                 $tmpfile = fopen( $tmpfilepath.$tmpfilename, "w+" );
 445                                 fwrite( $tmpfile, $ciphertext );
 446                                 fclose( $tmpfile );
 447                                 header('Content-Disposition: attachment; filename='.$tmpfilename );
 448                                 header("Content-Type: application/octet-stream" );
 449                                 header("Content-Length: " . filesize( $tmpfilepath.$tmpfilename ) );
 450                                 ob_clean();
 451                                 flush();
 452                                 readfile( $tmpfilepath.$tmpfilename );
 453                                 unlink( $tmpfilepath.$tmpfilename );
 454                         } else {
 455                                 header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename($d->get_url()) . "\"");
 456                                 header("Content-Type: " . $d->get_mimetype());
 457                                 header("Content-Length: " . filesize($tmpcouchpath));
 458                                 fpassthru($f);
 459                         }
 460                         fclose($f);
 461                         if($content!='')
 462                         unlink($tmpcouchpath);
 463                         exit;//exits only if file download from CouchDB is successfull.
 464                 }
 465                 //strip url of protocol handler
 466                 $url = preg_replace("|^(.*)://|","",$url);
 467
 468                 //change full path to current webroot.  this is for documents that may have
 469                 //been moved from a different filesystem and the full path in the database
 470                 //is not current.  this is also for documents that may of been moved to
 471                 //different patients. Note that the path_depth is used to see how far down
 472                 //the path to go. For example, originally the path_depth was always 1, which
 473                 //only allowed things like documents/1/<file>, but now can have more structured
 474                 //directories. For example a path_depth of 2 can give documents/encounters/1/<file>
 475                 // etc.
 476                 // NOTE that $from_filename and basename($url) are the same thing
 477                 $from_all = explode("/",$url);
 478                 $from_filename = array_pop($from_all);
 479                 $from_pathname_array = array();
 480                 for ($i=0;$i<$d->get_path_depth();$i++) {
 481                         $from_pathname_array[] = array_pop($from_all);
 482                 }
 483                 $from_pathname_array = array_reverse($from_pathname_array);
 484                 $from_pathname = implode("/",$from_pathname_array);
 485     if($couch_docid && $couch_revid){
 486         //for couchDB no URL is available in the table, hence using the foreign_id which is patientID
 487         $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/temp/' . $d->get_foreign_id() . '_' . $from_filename;
 488
 489         }
 490         else{
 491         $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_pathname . '/' . $from_filename;
 492         }
 493
 494                 if (file_exists($temp_url)) {
 495                         $url = $temp_url;
 496                 }
 497
 498
 499                 if (!file_exists($url)) {
 500                         echo xl('The requested document is not present at the expected location on the filesystem or there are not sufficient permissions to access it.','','',' ') . $url;
 501
 502                 }
 503                 else {
 504                         if ($original_file) {
 505                             //normal case when serving the file referenced in database
 506                 header('Content-Description: File Transfer');
 507                 header('Content-Transfer-Encoding: binary');
 508                 header('Expires: 0');
 509                 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 510                 header('Pragma: public');
 511                             $f = fopen($url,"r");
 512                             if ( $doEncryption ) {
 513                                         $filetext = fread( $f, filesize($url) );
 514                                 $ciphertext = $this->encrypt( $filetext, $passphrase );
 515                                 $tmpfilepath = $GLOBALS['temporary_files_dir'];
 516                                 $tmpfilename = "/encrypted_".$d->get_url_file();
 517                                 $tmpfile = fopen( $tmpfilepath.$tmpfilename, "w+" );
 518                     fwrite( $tmpfile, $ciphertext );
 519                     fclose( $tmpfile );
 520                     header('Content-Disposition: attachment; filename='.$tmpfilename );
 521                                 header("Content-Type: application/octet-stream" );
 522                                 header("Content-Length: " . filesize( $tmpfilepath.$tmpfilename ) );
 523                                 ob_clean();
 524                             flush();
 525                             readfile( $tmpfilepath.$tmpfilename );
 526                     unlink( $tmpfilepath.$tmpfilename );
 527                             } else {
 528                                 header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename($d->get_url()) . "\"");
 529                                 header("Content-Type: " . $d->get_mimetype());
 530                                 header("Content-Length: " . filesize($url));
 531                                 fpassthru($f);
 532                             }
 533                             exit;
 534                         }
 535                         else {
 536                             //special case when retrieving a document that has been converted to a jpg and not directly referenced in database
 537                                 $convertedFile = substr(basename($url), 0, strrpos(basename($url), '.')) . '_converted.jpg';
 538                                 if($couch_docid && $couch_revid){
 539                                 $url = $GLOBALS['OE_SITE_DIR'] . '/documents/temp/' . $convertedFile;
 540                                 }
 541                                 else{
 542                                 $url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_pathname . '/' . $convertedFile;
 543                 }
 544                                 header("Pragma: public");
 545                             header("Expires: 0");
 546                             header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
 547                             header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename($url) . "\"");
 548                             header("Content-Type: image/jpeg");
 549                             header("Content-Length: " . filesize($url));
 550                             $f = fopen($url,"r");
 551                             fpassthru($f);
 552                                 if($couch_docid && $couch_revid){
 553                                 fclose($f);
 554                                 unlink($url);
 555                                 $url=str_replace("_converted.jpg",'.pdf',$url);
 556                                 unlink($url);
 557                                 }
 558                             exit;
 559                         }
 560                 }
 561         }
 562
 563         function queue_action($patient_id="") {
 564                 $messages = $this->_tpl_vars['messages'];
 565                 $queue_files = array();
 566
 567                 //see if the repository exists and it is a directory else error
 568                 if (file_exists($this->_config['repository']) && is_dir($this->_config['repository'])) {
 569                         $dir = opendir($this->_config['repository']);
 570                         //read each entry in the directory
 571                         while (($file = readdir($dir)) !== false) {
 572                                 //concat the filename and path
 573                                 $file = $this->_config['repository'] .$file;
 574                                 $file_info = array();
 575                                 //if the filename is a file get its info and put into a tmp array
 576                                 if (is_file($file) && strpos(basename($file),".") !== 0) {
 577                                         $file_info['filename'] = basename($file);
 578                                         $file_info['mtime'] = date("m/d/Y H:i:s",filemtime($file));
 579                                         $d = Document::document_factory_url("file://" . $file);
 580                                         preg_match("/^([0-9]+)_/",basename($file),$patient_match);
 581                                         $file_info['patient_id'] = $patient_match[1];
 582                                         $file_info['document_id'] = $d->get_id();
 583                                         $file_info['web_path'] = $this->_link("retrieve",true) . "document_id=" . $d->get_id() . "&";
 584
 585                                         //merge the tmp array into the larger array
 586                                         $queue_files[] = $file_info;
 587                                 }
 588                 }
 589                 closedir($dir);
 590                 }
 591                 else {
 592                         $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";
 593                 }
 594
 595
 596                 $this->assign("queue_files",$queue_files);
 597                 $this->_last_node = null;
 598
 599                 $menu  = new HTML_TreeMenu();
 600
 601                 //pass an empty array because we don't want the documents for each category showing up in this list box
 602                 $rnode = $this->_array_recurse($this->tree->tree,array());
 603                 $menu->addItem($rnode);
 604                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array());
 605
 606                 $this->assign("tree_html_listbox",$treeMenu_listbox->toHTML());
 607
 608                 $this->assign("messages",nl2br($messages));
 609                 return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_queue.html");
 610         }
 611
 612         function queue_action_process() {
 613                 if ($_POST['process'] != "true")
 614                         return;
 615
 616                 $messages = $this->_tpl_vars['messages'];
 617
 618                 //build a category tree so we can have a list of category ids that are valid
 619                 $ct = new CategoryTree(1);
 620                 $categories = $ct->_id_name;
 621
 622                 //see if there were and posted files and assign them
 623                 $files = null;
 624                 is_array($_POST['files']) ? $files = $_POST['files']: $files = array();
 625
 626                 //loop through posted files
 627                 foreach($files as $doc_id=> $file) {
 628                         //only operate on files checked as active
 629                         if (!$file['active']) continue;
 630
 631                         //run basic validation checks
 632                         if (!is_numeric($file['patient_id']) || !is_numeric($file['category_id']) || !is_numeric($doc_id)) {
 633                                 $messages .= "Error processing file '" . $file['name'] ."' the patient id must be a number and the category must exist.\n";
 634                                 continue;
 635                         }
 636
 637                         //validate that the pod exists
 638                         $d = new Document($doc_id);
 639                         $sql = "SELECT pid from patient_data where pubpid = '" . $file['patient_id'] . "'";
 640                         $result = $d->_db->Execute($sql);
 641
 642                         if (!$result || $result->EOF) {
 643                                 //patient id does not exist
 644                                 $messages .= "Error processing file '" . $file['name'] ." the specified patient id '" . $file['patient_id'] . "' could not be found.\n";
 645                                 continue;
 646                         }
 647
 648                         //validate that the category id exists
 649                         if (!isset($categories[$file['category_id']])) {
 650                                 $messages .= "Error processing file '" . $file['name'] . " the specified category with id '" . $file['category_id'] . "' could not be found.\n";
 651                                 continue;
 652                         }
 653
 654                         //now do the work of moving the file
 655                         $new_path = $this->_config['repository'] . $file['patient_id'] ."/";
 656
 657                         //see if the patient dir exists in the repository and create if not
 658                         if (!file_exists($new_path)) {
 659                                 if (!mkdir($new_path,0700)) {
 660                                         $messages .= "The system was unable to create the directory for this upload, '" . $this->file_path . "'.\n";
 661                                         continue;
 662                                 }
 663                         }
 664
 665                         //fname is the name of the file after it is moved
 666                         $fname = $file['name'];
 667
 668                         //see if patient autonumbering is used in this filename, if so strip out the autonumber part
 669                         preg_match("/^([0-9]+)_/",basename($fname),$patient_match);
 670                         if ($patient_match[1] == $file['patient_id']) {
 671                                 $fname = preg_replace("/^([0-9]+)_/","",$fname);
 672                         }
 673
 674                         //filenames should not have funny chars
 675                         $fname = preg_replace("/[^a-zA-Z0-9_.]/","_",$fname);
 676
 677                         //see if there is an existing file with the same name and rename as necessary
 678                         if (file_exists($new_path.$file['name'])) {
 679                                 $messages .= "File with same name already exists at location: " . $new_path . "\n";
 680                                 $fname = basename($this->_rename_file($new_path.$file['name']));
 681                                 $messages .= "Current file name was changed to " . $fname ."\n";
 682                         }
 683
 684                         //now move the file
 685                         if (rename($this->_config['repository'].$file['name'],$new_path.$fname)) {
 686                                 $messages .= "File " . $fname . " moved to patient id '" . $file['patient_id'] ."' and category '" . $categories[$file['category_id']]['name'] . "' successfully.\n";
 687                                 $d->url = "file://" .$new_path.$fname;
 688                                 $d->set_foreign_id($file['patient_id']);
 689                                 $d->set_mimetype($mimetype);
 690                                 $d->persist();
 691                                 $d->populate();
 692
 693                                 if (is_numeric($d->get_id()) && is_numeric($file['category_id'])) {
 694                                   $sql = "REPLACE INTO categories_to_documents set category_id = '" . $file['category_id'] . "', document_id = '" . $d->get_id() . "'";
 695                                   $d->_db->Execute($sql);
 696                                 }
 697                         }
 698                         else {
 699                                 $error .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 700                         }
 701                 }
 702                         $this->assign("messages",$messages);
 703                         $_POST['process'] = "";
 704         }
 705
 706         function move_action_process($patient_id="",$document_id) {
 707                 if ($_POST['process'] != "true")
 708                         return;
 709
 710                 $new_category_id = $_POST['new_category_id'];
 711                 $new_patient_id = $_POST['new_patient_id'];
 712
 713                 //move to new category
 714                 if (is_numeric($new_category_id) && is_numeric($document_id)) {
 715                         $sql = "UPDATE categories_to_documents set category_id = '" . $new_category_id . "' where document_id = '" . $document_id ."'";
 716                         $messages .= xl('Document moved to new category','','',' \'') . $this->tree->_id_name[$new_category_id]['name']  . xl('successfully.','','\' ') . "\n";
 717                         //echo $sql;
 718                         $this->tree->_db->Execute($sql);
 719                 }
 720
 721                 //move to new patient
 722                 if (is_numeric($new_patient_id) && is_numeric($document_id)) {
 723                         $d = new Document($document_id);
 724                         // $sql = "SELECT pid from patient_data where pubpid = '" . $new_patient_id . "'";
 725                         $sql = "SELECT pid from patient_data where pid = '" . $new_patient_id . "'";
 726                         $result = $d->_db->Execute($sql);
 727
 728                         if (!$result || $result->EOF) {
 729                                 //patient id does not exist
 730                                 $messages .= xl('Document could not be moved to patient id','','',' \'') . $new_patient_id  . xl('because that id does not exist.','','\' ') . "\n";
 731                         }
 732                         else {
 733         $couchsavefailed = !$d->change_patient($new_patient_id);
 734
 735                                 $this->_state = false;
 736                                 if(!$couchsavefailed){
 737
 738                                 $messages .= xl('Document moved to patient id','','',' \'') . $new_patient_id  . xl('successfully.','','\' ') . "\n";
 739                                 }
 740                                 else{
 741
 742                                 $messages .= xl('Document moved to patient id','','',' \'') . $new_patient_id  . xl('Failed.','','\' ') . "\n";
 743                                 }
 744                                 $this->assign("messages",$messages);
 745                                 return $this->list_action($patient_id);
 746                         }
 747                 }
 748                 //in this case return the document to the queue instead of moving it
 749                 elseif (strtolower($new_patient_id) == "q" && is_numeric($document_id)) {
 750                         $d = new Document($document_id);
 751                         $new_path = $this->_config['repository'];
 752                         $fname = $d->get_url_file();
 753
 754                         //see if there is an existing file with the same name and rename as necessary
 755                         if (file_exists($new_path.$d->get_url_file())) {
 756                                 $messages .= "File with same name already exists in the queue.\n";
 757                                 $fname = basename($this->_rename_file($new_path.$d->get_url_file()));
 758                                 $messages .= "Current file name was changed to " . $fname ."\n";
 759                         }
 760
 761                         //now move the file
 762                         if (rename($d->get_url_filepath(),$new_path.$fname)) {
 763                                 $d->url = "file://" .$new_path.$fname;
 764                                 $d->set_foreign_id("");
 765                                 $d->persist();
 766                                 $d->persist();
 767                                 $d->populate();
 768
 769                                 $sql = "DELETE FROM categories_to_documents where document_id =" . $d->_db->qstr($document_id);
 770                                 $d->_db->Execute($sql);
 771                                 $messages .= "Document returned to queue successfully.\n";
 772
 773                         }
 774                         else {
 775                                 $messages .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 776                         }
 777
 778                         $this->_state = false;
 779                         $this->assign("messages",$messages);
 780                         return $this->list_action($patient_id);
 781                 }
 782
 783                 $this->_state = false;
 784                 $this->assign("messages",$messages);
 785                 return $this->view_action($patient_id,$document_id);
 786         }
 787
 788         function validate_action_process($patient_id="", $document_id) {
 789
 790                 $d = new Document($document_id);
 791                 if($d->couch_docid && $d->couch_revid){
 792                         $file_path = $GLOBALS['OE_SITE_DIR'].'/documents/temp/';
 793                         $url = $file_path.$d->get_url();
 794                         $couch = new CouchDB();
 795                         $data = array($GLOBALS['couchdb_dbase'],$d->couch_docid);
 796                         $resp = $couch->retrieve_doc($data);
 797                         $content = $resp->data;
 798                         //--------Temporarily writing the file for calculating the hash--------//
 799                         //-----------Will be removed after calculating the hash value----------//
 800                         $temp_file = fopen($url,"w");
 801                         fwrite($temp_file,base64_decode($content));
 802                         fclose($temp_file);
 803                 }
 804                 else{
 805                 $url =  $d->get_url();
 806
 807                 //strip url of protocol handler
 808                 $url = preg_replace("|^(.*)://|","",$url);
 809
 810                 //change full path to current webroot.  this is for documents that may have
 811                 //been moved from a different filesystem and the full path in the database
 812                 //is not current.  this is also for documents that may of been moved to
 813                 //different patients. Note that the path_depth is used to see how far down
 814                 //the path to go. For example, originally the path_depth was always 1, which
 815                 //only allowed things like documents/1/<file>, but now can have more structured
 816                 //directories. For example a path_depth of 2 can give documents/encounters/1/<file>
 817                 // etc.
 818                 // NOTE that $from_filename and basename($url) are the same thing
 819                 $from_all = explode("/",$url);
 820                 $from_filename = array_pop($from_all);
 821                 $from_pathname_array = array();
 822                 for ($i=0;$i<$d->get_path_depth();$i++) {
 823                         $from_pathname_array[] = array_pop($from_all);
 824                 }
 825                 $from_pathname_array = array_reverse($from_pathname_array);
 826                 $from_pathname = implode("/",$from_pathname_array);
 827                 $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_pathname . '/' . $from_filename;
 828                 if (file_exists($temp_url)) {
 829                         $url = $temp_url;
 830                 }
 831
 832             if ($_POST['process'] != "true") {
 833                         die("process is '" . $_POST['process'] . "', expected 'true'");
 834                         return;
 835                 }
 836                 }
 837                 $d = new Document( $document_id );
 838                 $current_hash = sha1_file( $url );
 839                 $messages = xl('Current Hash').": ".$current_hash."<br>";
 840                 $messages .= xl('Stored Hash').": ".$d->get_hash()."<br>";
 841                 if ( $d->get_hash() == '' ) {
 842                     $d->hash = $current_hash;
 843                     $d->persist();
 844                     $d->populate();
 845                     $messages .= xl('Hash did not exist for this file. A new hash was generated.');
 846                 } else if ( $current_hash != $d->get_hash() ) {
 847                     $messages .= xl('Hash does not match. Data integrity has been compromised.');
 848                 } else {
 849                     $messages .= xl('Document passed integrity check.');
 850                 }
 851                 $this->_state = false;
 852                 $this->assign("messages", $messages);
 853                 if($d->couch_docid && $d->couch_revid){
 854                         //Removing the temporary file which is used to create the hash
 855                         unlink($GLOBALS['OE_SITE_DIR'].'/documents/temp/'.$d->get_url());
 856                 }
 857                 return $this->view_action($patient_id, $document_id);
 858         }
 859
 860         // Added by Rod for metadata update.
 861         //
 862         function update_action_process($patient_id="", $document_id) {
 863
 864                 if ($_POST['process'] != "true") {
 865                         die("process is '" . $_POST['process'] . "', expected 'true'");
 866                         return;
 867                 }
 868
 869                 $docdate = $_POST['docdate'];
 870                 $docname = $_POST['docname'];
 871                 $issue_id = $_POST['issue_id'];
 872
 873                 if (is_numeric($document_id)) {
 874                     $messages = '';
 875                     $d = new Document( $document_id );
 876                     $file_name = $d->get_url_file();
 877                     if ( $docname != '' &&
 878                          $docname != $file_name ) {
 879                         $path = $d->get_url_filepath();
 880                         $path = str_replace( $file_name, "", $path );
 881                         $new_url = $this->_rename_file( $path.$docname );
 882                     if ( rename( $d->get_url(), $new_url ) ) {
 883                         // check the "converted" file, and delete it if it exists. It will be regenerated when report is run
 884                         $url = preg_replace("|^(.*)://|","",$d->get_url());
 885                         $convertedFile = substr(basename($url), 0, strrpos(basename($url), '.')) . '_converted.jpg';
 886                     $url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $patient_id . '/' . $convertedFile;
 887                                 if ( file_exists( $url ) ) {
 888                                     unlink( $url );
 889                                 }
 890                                 $d->url = $new_url;
 891                     $d->persist();
 892                     $d->populate();
 893                                 $messages .= xl('Document successfully renamed.')."<br>";
 894                         } else {
 895                                 $messages .= xl('The file could not be succesfully renamed, this error is usually related to permissions problems on the storage system.')."<br>";
 896                         }
 897                     }
 898
 899                         if (preg_match('/^\d\d\d\d-\d+-\d+$/', $docdate)) {
 900                                 $docdate = "'$docdate'";
 901                         } else {
 902                                 $docdate = "NULL";
 903                         }
 904                         if (!is_numeric($issue_id)) {
 905                                 $issue_id = 0;
 906                         }
 907                         $couch_docid = $d->get_couch_docid();
 908                         $couch_revid = $d->get_couch_revid();
 909                         if($couch_docid && $couch_revid ){
 910                         $sql = "UPDATE documents SET docdate = $docdate, url = '".$_POST['docname']."', " .
 911                                         "list_id = '$issue_id' " .
 912                                         "WHERE id = '$document_id'";
 913                         $this->tree->_db->Execute($sql);
 914
 915                         }
 916                         else{
 917                         $sql = "UPDATE documents SET docdate = $docdate, " .
 918                                 "list_id = '$issue_id' " .
 919                                 "WHERE id = '$document_id'";
 920                         $this->tree->_db->Execute($sql);
 921                         }
 922                         $messages .= xl('Document date and issue updated successfully') . "<br>";
 923                 }
 924
 925                 $this->_state = false;
 926                 $this->assign("messages", $messages);
 927                 return $this->view_action($patient_id, $document_id);
 928         }
 929
 930         function list_action($patient_id = "") {
 931                 $this->_last_node = null;
 932                 $categories_list = $this->tree->_get_categories_array($patient_id);
 933                 //print_r($categories_list);
 934
 935                 $menu  = new HTML_TreeMenu();
 936                 $rnode = $this->_array_recurse($this->tree->tree,$categories_list);
 937                 $menu->addItem($rnode);
 938                 $treeMenu = &new HTML_TreeMenu_DHTML($menu, array('images' => 'images', 'defaultClass' => 'treeMenuDefault'));
 939                 $treeMenu_listbox  = &new HTML_TreeMenu_Listbox($menu, array('linkTarget' => '_self'));
 940
 941                 $this->assign("tree_html",$treeMenu->toHTML());
 942
 943                 return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_list.html");
 944         }
 945
 946         /*
 947         *       This is a recursive function to rename a file to something that doesn't already exist.
 948         *       Modified in version 3.2.0 to place a counter within the filename (previously was placed at end)
 949         *        to ensure documents opened correctly by external browser viewers. If the counter is at the
 950         *        end of the file, then will use it (to continue to work with older files), however all new
 951         *        counters will be placed within filenames.
 952         */
 953         function _rename_file($fname) {
 954                 $file = basename($fname);
 955                 $fparts = split("\.",$fname);
 956                 $path = dirname($fname);
 957                 if (count($fparts) > 1) {
 958                   if (is_numeric($fparts[count($fparts) -2]) && (count($fparts) > 2)) {
 959                         //increment the counter in filename
 960                         $fparts[count($fparts) -2] = $fparts[count($fparts) -2] + 1;
 961                         $fname = join(".",$fparts);
 962                   }
 963                   elseif (is_numeric($fparts[count($fparts) -1]) && $fparts[count($fparts) -1] < 1000) {
 964                         //increment counter at end of filename (so compatible with previous openemr version files
 965                         $fparts[count($fparts) -1] = $fparts[count($fparts) -1] + 1;
 966                         $fname = join(".",$fparts);
 967                   }
 968                   elseif (is_numeric($fparts[count($fparts) -1])) {
 969                         //leave date at end and place counter in filename
 970                         array_splice($fparts, -1, 0, "1");
 971                         $fname = join(".",$fparts);
 972                   }
 973                   else {
 974                         //add the counter to filename
 975                         array_splice($fparts, -1, 0, "1");
 976                         $fname = join(".",$fparts);
 977                   }
 978                 }
 979                 else { // (count($fparts) == 1)
 980                   //place counter at end of filename
 981                   array_push($fparts,"1");
 982                   $fname = join(".",$fparts);
 983                 }
 984
 985                 if (file_exists($fname)) {
 986                         return $this->_rename_file($fname);
 987                 }
 988                 else {
 989                         return($fname);
 990                 }
 991         }
 992
 993         function &_array_recurse($array,$categories = array()) {
 994                 if (!is_array($array)) {
 995                         $array = array();
 996                 }
 997                 $node = &$this->_last_node;
 998                 $current_node = &$node;
 999                 $expandedIcon = 'folder-expanded.gif';
1000                 foreach($array as $id => $ar) {
1001                         $icon = 'folder.gif';
1002                         if (is_array($ar)  || !empty($id)) {
1003                           if ($node == null) {
1004                                 //echo "r:" . $this->tree->get_node_name($id) . "<br>";
1005                             $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));
1006                             $this->_last_node = &$rnode;
1007                                 $node = &$rnode;
1008                                 $current_node = &$rnode;
1009                           }
1010                           else {
1011                                 //echo "p:" . $this->tree->get_node_name($id) . "<br>";
1012                             $this->_last_node = &$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)));
1013                             $current_node = &$this->_last_node;
1014                           }
1015
1016                           $this->_array_recurse($ar,$categories);
1017                         }
1018                         else {
1019                                 if ($id === 0 && !empty($ar)) {
1020                                   $info = $this->tree->get_node_info($id);
1021                                   //echo "b:" . $this->tree->get_node_name($id) . "<br>";
1022                                   $current_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $info['value'], 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
1023                                 }
1024                                 else {
1025                                         //there is a third case that is implicit here when title === 0 and $ar is empty, in that case we do not want to do anything
1026                                         //this conditional tree could be more efficient but working with recursive trees makes my head hurt, TODO
1027                                         if ($id !== 0 && is_object($node)) {
1028                                           //echo "n:" . $this->tree->get_node_name($id) . "<br>";
1029                                           $current_node = &$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)));
1030
1031                                         }
1032                                 }
1033                         }
1034
1035                         // If there are documents in this document category, then add their
1036                         // attributes to the current node.
1037                         $icon = "file3.png";
1038                         if (is_array($categories[$id])) {
1039                                 foreach ($categories[$id] as $doc) {
1040           if($this->tree->get_node_name($id) == "CCR"){
1041             $current_node->addItem(new HTML_TreeNode(array(
1042               'text' => $doc['docdate'] . ' ' . basename($doc['url']),
1043               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1044               'icon' => $icon,
1045               'expandedIcon' => $expandedIcon,
1046               'events' => array('Onclick' => "javascript:newwindow=window.open('ccr/display.php?type=CCR&doc_id=" . $doc['document_id'] . "','CCR');")
1047             )));
1048           }elseif($this->tree->get_node_name($id) == "CCD"){
1049             $current_node->addItem(new HTML_TreeNode(array(
1050               'text' => $doc['docdate'] . ' ' . basename($doc['url']),
1051               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1052               'icon' => $icon,
1053               'expandedIcon' => $expandedIcon,
1054               'events' => array('Onclick' => "javascript:newwindow=window.open('ccr/display.php?type=CCD&doc_id=" . $doc['document_id'] . "','CCD');")
1055             )));
1056           }else{
1057             $current_node->addItem(new HTML_TreeNode(array(
1058               'text' => $doc['docdate'] . ' ' . basename($doc['url']),
1059               'link' => $this->_link("view") . "doc_id=" . $doc['document_id'] . "&",
1060               'icon' => $icon,
1061               'expandedIcon' => $expandedIcon
1062             )));
1063           }
1064                                 }
1065                         }
1066
1067                 }
1068                 return $node;
1069         }
1070
1071         //function for logging  the errors in writing file to CouchDB/Hard Disk
1072         function document_upload_download_log($patientid,$content){
1073                 $log_path = $GLOBALS['OE_SITE_DIR']."/documents/couchdb/";
1074                 $log_file = 'log.txt';
1075                 if(!is_dir($log_path))
1076                     mkdir($log_path,0777,true);
1077                 $LOG = fopen($log_path.$log_file,'a');
1078                 fwrite($LOG,$content);
1079                 fclose($LOG);
1080         }
1081
1082 }
1083 //place to hold optional code
1084 //$first_node = array_keys($t->tree);
1085                 //$first_node = $first_node[0];
1086                 //$node1 = new HTML_TreeNode(array('text' => $t->get_node_name($first_node), 'link' => "test.php", 'icon' => $icon, 'expandedIcon' => $expandedIcon, 'expanded' => true), array('onclick' => "alert('foo'); return false", 'onexpand' => "alert('Expanded')"));
1087
1088                 //$this->_last_node = &$node1;
1089
1090 ?>