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/forms.inc");
   8 require_once(dirname(__FILE__) . "/../library/crypto.php");
   9
  10 use OpenEMR\Services\FacilityService;
  11 use OpenEMR\Services\PatientService;
  12
  13 class C_Document extends Controller
  14 {
  15
  16     var $template_mod;
  17     var $documents;
  18     var $document_categories;
  19     var $tree;
  20     var $_config;
  21         var $manual_set_owner=false; // allows manual setting of a document owner/service
  22     var $facilityService;
  23     var $patientService;
  24
  25     function __construct($template_mod = "general")
  26     {
  27         parent::__construct();
  28         $this->facilityService = new FacilityService();
  29         $this->patientService = new PatientService();
  30         $this->documents = array();
  31         $this->template_mod = $template_mod;
  32         $this->assign("FORM_ACTION", $GLOBALS['webroot']."/controller.php?" . attr($_SERVER['QUERY_STRING']));
  33         $this->assign("CURRENT_ACTION", $GLOBALS['webroot']."/controller.php?" . "document&");
  34
  35         //get global config options for this namespace
  36         $this->_config = $GLOBALS['oer_config']['documents'];
  37
  38         $this->_args = array("patient_id" => $_GET['patient_id']);
  39
  40         $this->assign("STYLE", $GLOBALS['style']);
  41         $t = new CategoryTree(1);
  42         //print_r($t->tree);
  43         $this->tree = $t;
  44         $this->Document = new Document();
  45     }
  46
  47     function upload_action($patient_id, $category_id)
  48     {
  49         $category_name = $this->tree->get_node_name($category_id);
  50         $this->assign("category_id", $category_id);
  51         $this->assign("category_name", $category_name);
  52         $this->assign("hide_encryption", $GLOBALS['hide_document_encryption']);
  53         $this->assign("patient_id", $patient_id);
  54
  55         // Added by Rod to support document template download from general_upload.html.
  56         // Cloned from similar stuff in manage_document_templates.php.
  57         $templatedir = $GLOBALS['OE_SITE_DIR'] . '/documents/doctemplates';
  58         $templates_options = "<option value=''>-- " . xlt('Select Template') . " --</option>";
  59         if (file_exists($templatedir)) {
  60               $dh = opendir($templatedir);
  61         }
  62         if ($dh) {
  63               $templateslist = array();
  64             while (false !== ($sfname = readdir($dh))) {
  65                 if (substr($sfname, 0, 1) == '.') {
  66                     continue;
  67                 }
  68                 $templateslist[$sfname] = $sfname;
  69             }
  70               closedir($dh);
  71               ksort($templateslist);
  72             foreach ($templateslist as $sfname) {
  73                 $templates_options .= "<option value='" . attr($sfname) .
  74                   "'>" . text($sfname) . "</option>";
  75             }
  76         }
  77         $this->assign("TEMPLATES_LIST", $templates_options);
  78
  79         $activity = $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_upload.html");
  80         $this->assign("activity", $activity);
  81         return $this->list_action($patient_id);
  82     }
  83
  84     //Upload multiple files on single click
  85     function upload_action_process()
  86     {
  87
  88         // Collect a manually set owner if this has been set
  89         // Used when want to manually assign the owning user/service such as the Direct mechanism
  90         $non_HTTP_owner=false;
  91         if ($this->manual_set_owner) {
  92             $non_HTTP_owner=$this->manual_set_owner;
  93         }
  94
  95         $couchDB = false;
  96         $harddisk = false;
  97         if ($GLOBALS['document_storage_method']==0) {
  98             $harddisk = true;
  99         }
 100         if ($GLOBALS['document_storage_method']==1) {
 101             $couchDB = true;
 102         }
 103
 104         if ($_POST['process'] != "true") {
 105             return;
 106         }
 107
 108         $doDecryption = false;
 109         $encrypted = $_POST['encrypted'];
 110         $passphrase = $_POST['passphrase'];
 111         if (!$GLOBALS['hide_document_encryption'] &&
 112             $encrypted && $passphrase ) {
 113             $doDecryption = true;
 114         }
 115
 116         if (is_numeric($_POST['category_id'])) {
 117             $category_id = $_POST['category_id'];
 118         }
 119
 120         $patient_id = 0;
 121         if (isset($_GET['patient_id']) && !$couchDB) {
 122             $patient_id = $_GET['patient_id'];
 123         } else if (is_numeric($_POST['patient_id'])) {
 124             $patient_id = $_POST['patient_id'];
 125         }
 126
 127         $sentUploadStatus = array();
 128         if (count($_FILES['file']['name']) > 0) {
 129             $upl_inc = 0;
 130
 131             foreach ($_FILES['file']['name'] as $key => $value) {
 132                 $fname = $value;
 133                 $error = "";
 134                 if ($_FILES['file']['error'][$key] > 0 || empty($fname) || $_FILES['file']['size'][$key] == 0) {
 135                     $fname = $value;
 136                     if (empty($fname)) {
 137                         $fname = htmlentities("<empty>");
 138                     }
 139                     $error = xl("Error number") . ": " . $_FILES['file']['error'][$key] . " " . xl("occurred while uploading file named") . ": " . $fname . "\n";
 140                     if ($_FILES['file']['size'][$key] == 0) {
 141                         $error .= xl("The system does not permit uploading files of with size 0.") . "\n";
 142                     }
 143                 } elseif ($GLOBALS['secure_upload'] && !isWhiteFile($_FILES['file']['tmp_name'][$key])) {
 144                     $error = xl("The system does not permit uploading files with MIME content type") . " - " . mime_content_type($_FILES['file']['tmp_name'][$key]) . ".\n";
 145                 } else {
 146                     // Test for a zip of DICOM images
 147                     if (stripos($_FILES['file']['type'][$key], 'zip') !== false) {
 148                         $za = new ZipArchive();
 149                         $handler = $za->open($_FILES['file']['tmp_name'][$key]);
 150                         if ($handler) {
 151                             $mimetype = "application/dicom+zip";
 152                             for ($i = 0; $i < $za->numFiles; $i++) {
 153                                 $stat = $za->statIndex($i);
 154                                 $fp = $za->getStream($stat['name']);
 155                                 if ($fp) {
 156                                     $head = fread($fp, 256);
 157                                     fclose($fp);
 158                                     if (strpos($head, 'DICM') === false) { // Fixed at offset 128. even one non DICOM makes zip invalid.
 159                                         $mimetype = "application/zip";
 160                                         break;
 161                                     }
 162                                     unset($head);
 163                                     // if here -then a DICOM
 164                                     $parts = pathinfo($stat['name']);
 165                                     if (strtolower($parts['extension']) != "dcm") { // require extension for viewer
 166                                         $new_name = $stat['name'] . ".dcm";
 167                                         $za->renameIndex($i, $new_name); // only use index rename!
 168                                     }
 169                                 } else { // Rarely here
 170                                     $mimetype = "application/zip";
 171                                     break;
 172                                 }
 173                             }
 174                             $za->close();
 175                             if ($mimetype == "application/dicom+zip") {
 176                                 $_FILES['file']['type'][$key] = $mimetype;
 177                                 sleep(1); // Timing insurance in case of re-compression. Only acted on index so...!
 178                                 $_FILES['file']['size'][$key] = filesize($_FILES['file']['tmp_name'][$key]); // file may have grown.
 179                             }
 180                         }
 181                     }
 182                     $tmpfile = fopen($_FILES['file']['tmp_name'][$key], "r");
 183                     $filetext = fread($tmpfile, $_FILES['file']['size'][$key]);
 184                     fclose($tmpfile);
 185                     if ($doDecryption) {
 186                         $filetext = $this->decrypt($filetext, $passphrase);
 187                     }
 188                     if ($_POST['destination'] != '') {
 189                         $fname = $_POST['destination'];
 190                     }
 191                     // set mime, test for single DICOM and assign extension if missing.
 192                     $mimetype = $_FILES['file']['type'][$key];
 193                     if (strpos($filetext, 'DICM') !== false) {
 194                         $mimetype = 'application/dicom';
 195                         $parts = pathinfo($fname);
 196                         if (!$parts['extension']) {
 197                             $fname .= '.dcm';
 198                         }
 199                     }
 200                     $d = new Document();
 201                     $rc = $d->createDocument(
 202                         $patient_id,
 203                         $category_id,
 204                         $fname,
 205                         $mimetype,
 206                         $filetext,
 207                         empty($_GET['higher_level_path']) ? '' : $_GET['higher_level_path'],
 208                         empty($_POST['path_depth']) ? 1 : $_POST['path_depth'],
 209                         $non_HTTP_owner,
 210                         $_FILES['file']['tmp_name'][$key]
 211                     );
 212                     if ($rc) {
 213                         $error .= $rc . "\n";
 214                     } else {
 215                         $this->assign("upload_success", "true");
 216                     }
 217                     $sentUploadStatus[] = $d;
 218                     $this->assign("file", $sentUploadStatus);
 219                 }
 220
 221                 // Option to run a custom plugin for each file upload.
 222                 // This was initially created to delete the original source file in a custom setting.
 223                 $upload_plugin = $GLOBALS['OE_SITE_DIR'] . "/documentUpload.plugin.php";
 224                 if (file_exists($upload_plugin)) {
 225                     include_once($upload_plugin);
 226                 }
 227                 $upload_plugin_pp = 'documentUploadPostProcess';
 228                 if (function_exists($upload_plugin_pp)) {
 229                     $tmp = call_user_func($upload_plugin_pp, $value, $d);
 230                     if ($tmp) {
 231                         $error = $tmp;
 232                     }
 233                 }
 234                 // Following is just an example of code in such a plugin file.
 235                 /*****************************************************
 236                 function documentUploadPostProcess($filename, &$d) {
 237                   $userid = $_SESSION['authUserID'];
 238                   $row = sqlQuery("SELECT username FROM users WHERE id = ?", array($userid));
 239                   $owner = strtolower($row['username']);
 240                   $dn = '1_' . ucfirst($owner);
 241                   $filepath = "/shared_network_directory/$dn/$filename";
 242                   if (@unlink($filepath)) return '';
 243                   return "Failed to delete '$filepath'.";
 244                 }
 245                 *****************************************************/
 246             }
 247         }
 248
 249         $this->assign("error", nl2br($error));
 250         //$this->_state = false;
 251         $_POST['process'] = "";
 252         //return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_upload.html");
 253     }
 254
 255     function note_action_process($patient_id)
 256     {
 257         // this function is a dual function that will set up a note associated with a document or send a document via email.
 258
 259         if ($_POST['process'] != "true") {
 260             return;
 261         }
 262
 263         $n = new Note();
 264                 $n->set_owner($_SESSION['authUserID']);
 265         parent::populate_object($n);
 266         if ($_POST['identifier'] == "no") {
 267                         // associate a note with a document
 268             $n->persist();
 269         } elseif ($_POST['identifier'] == "yes") {
 270                         // send the document via email
 271                         $d = new Document($_POST['foreign_id']);
 272                         $url =  $d->get_url();
 273                         $storagemethod = $d->get_storagemethod();
 274                         $couch_docid = $d->get_couch_docid();
 275                         $couch_revid = $d->get_couch_revid();
 276             if ($couch_docid && $couch_revid) {
 277                 $couch = new CouchDB();
 278                 $data = array($GLOBALS['couchdb_dbase'],$couch_docid);
 279                 $resp = $couch->retrieve_doc($data);
 280                 $content = $resp->data;
 281                 if ($content=='' && $GLOBALS['couchdb_log']==1) {
 282                     $log_content = date('Y-m-d H:i:s')." ==> Retrieving document\r\n";
 283                     $log_content = date('Y-m-d H:i:s')." ==> URL: ".$url."\r\n";
 284                     $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Document Id: ".$couch_docid."\r\n";
 285                     $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Revision Id: ".$couch_revid."\r\n";
 286                     $log_content .= date('Y-m-d H:i:s')." ==> Failed to fetch document content from CouchDB.\r\n";
 287                     //$log_content .= date('Y-m-d H:i:s')." ==> Will try to download file from HardDisk if exists.\r\n\r\n";
 288                     $this->document_upload_download_log($d->get_foreign_id(), $log_content);
 289                     die(xlt("File retrieval from CouchDB failed"));
 290                 }
 291         // place it in a temporary file and will remove the file below after emailed
 292                 $temp_couchdb_url = $GLOBALS['OE_SITE_DIR'].'/documents/temp/couch_'.date("YmdHis").$d->get_url_file();
 293                 $fh = fopen($temp_couchdb_url, "w");
 294                 fwrite($fh, base64_decode($content));
 295                 fclose($fh);
 296                 $temp_url = $temp_couchdb_url; // doing this ensure hard drive file never deleted in case something weird happens
 297             } else {
 298                 $url = preg_replace("|^(.*)://|", "", $url);
 299         // Collect filename and path
 300                 $from_all = explode("/", $url);
 301                 $from_filename = array_pop($from_all);
 302                 $from_pathname_array = array();
 303                 for ($i=0; $i<$d->get_path_depth(); $i++) {
 304                     $from_pathname_array[] = array_pop($from_all);
 305                 }
 306                 $from_pathname_array = array_reverse($from_pathname_array);
 307                 $from_pathname = implode("/", $from_pathname_array);
 308                 $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_pathname . '/' . $from_filename;
 309             }
 310             if (!file_exists($temp_url)) {
 311                 echo xl('The requested document is not present at the expected location on the filesystem or there are not sufficient permissions to access it.', '', '', ' ') . $temp_url;
 312             }
 313             $url = $temp_url;
 314             $pdetails = getPatientData($patient_id);
 315             $pname = $pdetails['fname']." ".$pdetails['lname'];
 316             $this->document_send($_POST['provide_email'], $_POST['note'], $url, $pname);
 317             if ($couch_docid && $couch_revid) {
 318       // remove the temporary couchdb file
 319                 unlink($temp_couchdb_url);
 320             }
 321         }
 322         $this->_state = false;
 323         $_POST['process'] = "";
 324         return $this->view_action($patient_id, $n->get_foreign_id());
 325     }
 326
 327     function default_action()
 328     {
 329         return $this->list_action();
 330     }
 331
 332     function view_action($patient_id = "", $doc_id)
 333     {
 334         // Added by Rod to support document delete:
 335         global $gacl_object, $phpgacl_location;
 336         global $ISSUE_TYPES;
 337
 338         require_once(dirname(__FILE__) . "/../library/acl.inc");
 339         require_once(dirname(__FILE__) . "/../library/lists.inc");
 340
 341         $d = new Document($doc_id);
 342         $notes = $d->get_notes();
 343
 344         $this->assign("file", $d);
 345         $this->assign("web_path", $this->_link("retrieve") . "document_id=" . $d->get_id() . "&");
 346         $this->assign("NOTE_ACTION", $this->_link("note"));
 347         $this->assign("MOVE_ACTION", $this->_link("move") . "document_id=" . $d->get_id() . "&process=true");
 348         $this->assign("hide_encryption", $GLOBALS['hide_document_encryption']);
 349         $this->assign("assets_static_relative", $GLOBALS['assets_static_relative']);
 350         $this->assign("webroot", $GLOBALS['webroot']);
 351
 352         // Added by Rod to support document delete:
 353         $delete_string = '';
 354         if (acl_check('patients', 'docs_rm')) {
 355             $delete_string = "<a href='' class='css_button' onclick='return deleteme(" . $d->get_id() .
 356                 ")'><span><font color='red'>" . xl('Delete') . "</font></span></a>";
 357         }
 358         $this->assign("delete_string", $delete_string);
 359         $this->assign("REFRESH_ACTION", $this->_link("list"));
 360
 361         $this->assign("VALIDATE_ACTION", $this->_link("validate") .
 362             "document_id=" . $d->get_id() . "&process=true");
 363
 364         // Added by Rod to support document date update:
 365         $this->assign("DOCDATE", $d->get_docdate());
 366         $this->assign("UPDATE_ACTION", $this->_link("update") .
 367             "document_id=" . $d->get_id() . "&process=true");
 368
 369         // Added by Rod to support document issue update:
 370         $issues_options = "<option value='0'>-- " . xlt('Select Issue') . " --</option>";
 371         $ires = sqlStatement("SELECT id, type, title, begdate FROM lists WHERE " .
 372             "pid = ? " . // AND enddate IS NULL " .
 373             "ORDER BY type, begdate", array($patient_id));
 374         while ($irow = sqlFetchArray($ires)) {
 375             $desc = $irow['type'];
 376             if ($ISSUE_TYPES[$desc]) {
 377                 $desc = $ISSUE_TYPES[$desc][2];
 378             }
 379             $desc .= ": " . text($irow['begdate']) . " " . text(substr($irow['title'], 0, 40));
 380             $sel = ($irow['id'] == $d->get_list_id()) ? ' selected' : '';
 381             $issues_options .= "<option value='" . attr($irow['id']) . "'$sel>$desc</option>";
 382         }
 383         $this->assign("ISSUES_LIST", $issues_options);
 384
 385         // For tagging to encounter
 386         // Populate the dropdown with patient's encounter list
 387         $this->assign("TAG_ACTION", $this->_link("tag") . "document_id=" . $d->get_id() . "&process=true");
 388         $encOptions = "<option value='0'>-- " . xlt('Select Encounter') . " --</option>";
 389         $result_docs = sqlStatement("SELECT fe.encounter,fe.date,openemr_postcalendar_categories.pc_catname FROM form_encounter AS fe " .
 390             "LEFT JOIN openemr_postcalendar_categories ON fe.pc_catid=openemr_postcalendar_categories.pc_catid  WHERE fe.pid = ? ORDER BY fe.date desc", array($patient_id));
 391         if (sqlNumRows($result_docs) > 0) {
 392             while ($row_result_docs = sqlFetchArray($result_docs)) {
 393                 $sel_enc = ($row_result_docs['encounter'] == $d->get_encounter_id()) ? ' selected' : '';
 394                 $encOptions .= "<option value='" . attr($row_result_docs['encounter']) . "' $sel_enc>". text(oeFormatShortDate(date('Y-m-d', strtotime($row_result_docs['date'])))) . "-" . text(xl_appt_category($row_result_docs['pc_catname'])) . "</option>";
 395             }
 396         }
 397         $this->assign("ENC_LIST", $encOptions);
 398
 399         //clear encounter tag
 400         if ($d->get_encounter_id() != 0) {
 401             $this->assign('clear_encounter_tag', $this->_link('clear_encounter_tag')."document_id=" . $d->get_id());
 402         } else {
 403             $this->assign('clear_encounter_tag', 'javascript:void(0)');
 404         }
 405
 406         //Populate the dropdown with category list
 407         $visit_category_list = "<option value='0'>-- " . xlt('Select One') . " --</option>";
 408         $cres = sqlStatement("SELECT pc_catid, pc_catname FROM openemr_postcalendar_categories ORDER BY pc_catname");
 409         while ($crow = sqlFetchArray($cres)) {
 410             $catid = $crow['pc_catid'];
 411             if ($catid < 9 && $catid != 5) {
 412                 continue; // Applying same logic as in new encounter page.
 413             }
 414             $visit_category_list .="<option value='".attr($catid)."'>" . text(xl_appt_category($crow['pc_catname'])) . "</option>\n";
 415         }
 416         $this->assign("VISIT_CATEGORY_LIST", $visit_category_list);
 417
 418         $this->assign("notes", $notes);
 419
 420         $this->assign("IMG_PROCEDURE_TAG_ACTION", $this->_link("image_procedure") . "document_id=" . $d->get_id());
 421             // Populate the dropdown with image procedure order list
 422         $imgOptions = "<option value='0'>-- " . xlt('Select Image Procedure') . " --</option>";
 423         $imgOrders  = sqlStatement("select procedure_name,po.procedure_order_id,procedure_code from procedure_order po inner join procedure_order_code poc on poc.procedure_order_id = po.procedure_order_id where po.patient_id = ?  and poc.procedure_order_title = 'imaging'", array($patient_id));
 424         $mapping    = $this->get_mapped_procedure($d->get_id());
 425         if (sqlNumRows($imgOrders) > 0) {
 426             while ($row = sqlFetchArray($imgOrders)) {
 427                 $sel_proc = '';
 428                 if ((isset($mapping['procedure_code']) && $mapping['procedure_code'] == $row['procedure_code']) && (isset($mapping['procedure_code']) && $mapping['procedure_order_id'] == $row['procedure_order_id'])) {
 429                     $sel_proc = 'selected';
 430                 }
 431                 $imgOptions .= "<option value='". attr($row['procedure_order_id']). "' data-code='".attr($row['procedure_code'])."' $sel_proc>".text($row['procedure_name'].' - '.$row['procedure_code'])."</option>";
 432             }
 433         }
 434
 435         $this->assign('IMAGE_PROCEDURE_LIST', $imgOptions);
 436
 437         $this->assign('clear_procedure_tag', $this->_link('clear_procedure_tag')."document_id=" . $d->get_id());
 438
 439         $this->_last_node = null;
 440
 441         $menu  = new HTML_TreeMenu();
 442
 443         //pass an empty array because we don't want the documents for each category showing up in this list box
 444         $rnode = $this->_array_recurse($this->tree->tree, array());
 445         $menu->addItem($rnode);
 446         $treeMenu_listbox  = new HTML_TreeMenu_Listbox($menu, array("promoText" => xl('Move Document to Category:')));
 447
 448         $this->assign("tree_html_listbox", $treeMenu_listbox->toHTML());
 449
 450         $activity = $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_view.html");
 451         $this->assign("activity", $activity);
 452
 453         return $this->list_action($patient_id);
 454     }
 455
 456     function encrypt($plaintext, $key)
 457     {
 458         return aes256Encrypt($plaintext, $key, false);
 459     }
 460
 461     function decrypt($crypttext, $key)
 462     {
 463         return aes256Decrypt($crypttext, $key, false);
 464     }
 465
 466     /**
 467      * Retrieve file from hard disk / CouchDB.
 468      * In case that file isn't download this function will return thumbnail image (if exist).
 469      * @param (boolean) $show_original - enable to show the original image (not thumbnail) in inline status.
 470      * @param (string) $context - given a special document scenario (e.g.: patient avatar, custom image viewer document, etc), the context can be set so that a switch statement can execute a custom strategy.
 471      * */
 472     function retrieve_action($patient_id = "", $document_id, $as_file = true, $original_file = true, $disable_exit = false, $show_original = false, $context = "normal")
 473     {
 474         $encrypted = $_POST['encrypted'];
 475         $passphrase = $_POST['passphrase'];
 476         $doEncryption = false;
 477         if (!$GLOBALS['hide_document_encryption'] &&
 478             $encrypted == "true" &&
 479             $passphrase ) {
 480             $doEncryption = true;
 481         }
 482
 483             //controller function ruins booleans, so need to manually re-convert to booleans
 484         if ($as_file == "true") {
 485                 $as_file=true;
 486         } else if ($as_file == "false") {
 487                 $as_file=false;
 488         }
 489         if ($original_file == "true") {
 490                 $original_file=true;
 491         } else if ($original_file == "false") {
 492                 $original_file=false;
 493         }
 494         if ($disable_exit == "true") {
 495                 $disable_exit=true;
 496         } else if ($disable_exit == "false") {
 497                 $disable_exit=false;
 498         }
 499         if ($show_original == "true") {
 500             $show_original=true;
 501         } else if ($show_original == "false") {
 502             $show_original=false;
 503         }
 504
 505         switch ($context) {
 506             case "patient_picture":
 507                 $this->patientService->setPid($patient_id);
 508                 $document_id = $this->patientService->getPatientPictureDocumentId();
 509                 break;
 510         }
 511
 512         $d = new Document($document_id);
 513         $url =  $d->get_url();
 514         $th_url = $d->get_thumb_url();
 515
 516         $storagemethod = $d->get_storagemethod();
 517         $couch_docid = $d->get_couch_docid();
 518         $couch_revid = $d->get_couch_revid();
 519
 520         if ($couch_docid && $couch_revid && $original_file) {
 521             $couch = new CouchDB();
 522             $data = array($GLOBALS['couchdb_dbase'],$couch_docid);
 523             $resp = $couch->retrieve_doc($data);
 524             //Take thumbnail file when is not null and file is presented online
 525             if (!$as_file && !is_null($th_url) && !$show_original) {
 526                 $content = $resp->th_data;
 527             } else {
 528                 $content = $resp->data;
 529             }
 530             if ($content=='' && $GLOBALS['couchdb_log']==1) {
 531                 $log_content = date('Y-m-d H:i:s')." ==> Retrieving document\r\n";
 532                 $log_content = date('Y-m-d H:i:s')." ==> URL: ".$url."\r\n";
 533                 $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Document Id: ".$couch_docid."\r\n";
 534                 $log_content .= date('Y-m-d H:i:s')." ==> CouchDB Revision Id: ".$couch_revid."\r\n";
 535                 $log_content .= date('Y-m-d H:i:s')." ==> Failed to fetch document content from CouchDB.\r\n";
 536                 $log_content .= date('Y-m-d H:i:s')." ==> Will try to download file from HardDisk if exists.\r\n\r\n";
 537                 $this->document_upload_download_log($d->get_foreign_id(), $log_content);
 538                 die(xl("File retrieval from CouchDB failed"));
 539             }
 540             if ($disable_exit == true) {
 541                 return base64_decode($content);
 542             }
 543             header('Content-Description: File Transfer');
 544             header('Content-Transfer-Encoding: binary');
 545             header('Expires: 0');
 546             header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 547             header('Pragma: public');
 548             $tmpcouchpath = $GLOBALS['OE_SITE_DIR'].'/documents/temp/couch_'.date("YmdHis").$d->get_url_file();
 549             $fh = fopen($tmpcouchpath, "w");
 550             fwrite($fh, base64_decode($content));
 551             fclose($fh);
 552             $f = fopen($tmpcouchpath, "r");
 553             if ($doEncryption) {
 554                 $filetext = fread($f, filesize($tmpcouchpath));
 555                     $ciphertext = $this->encrypt($filetext, $passphrase);
 556                     $tmpfilepath = $GLOBALS['temporary_files_dir'];
 557                     $tmpfilename = "/encrypted_aes_".$d->get_url_file();
 558                     $tmpfile = fopen($tmpfilepath.$tmpfilename, "w+");
 559                 fwrite($tmpfile, $ciphertext);
 560                 fclose($tmpfile);
 561                 header('Content-Disposition: attachment; filename='.$tmpfilename);
 562                     header("Content-Type: application/octet-stream");
 563                     header("Content-Length: " . filesize($tmpfilepath.$tmpfilename));
 564                     ob_clean();
 565                 flush();
 566                 readfile($tmpfilepath.$tmpfilename);
 567                 unlink($tmpfilepath.$tmpfilename);
 568             } else {
 569                 header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename_international($d->get_url()) . "\"");
 570                     header("Content-Type: " . $d->get_mimetype());
 571                     header("Content-Length: " . filesize($tmpcouchpath));
 572                     fpassthru($f);
 573             }
 574             fclose($f);
 575             if ($content!='') {
 576                 unlink($tmpcouchpath);
 577             }
 578             exit;//exits only if file download from CouchDB is successfull.
 579         }
 580
 581         //Take thumbnail file when is not null and file is presented online
 582         if (!$as_file && !is_null($th_url) && !$show_original) {
 583             $url = $th_url;
 584         }
 585
 586         //strip url of protocol handler
 587         $url = preg_replace("|^(.*)://|", "", $url);
 588
 589         //change full path to current webroot.  this is for documents that may have
 590         //been moved from a different filesystem and the full path in the database
 591         //is not current.  this is also for documents that may of been moved to
 592         //different patients. Note that the path_depth is used to see how far down
 593                 //the path to go. For example, originally the path_depth was always 1, which
 594                 //only allowed things like documents/1/<file>, but now can have more structured
 595                 //directories. For example a path_depth of 2 can give documents/encounters/1/<file>
 596                 // etc.
 597         // NOTE that $from_filename and basename($url) are the same thing
 598         $from_all = explode("/", $url);
 599             $from_filename = array_pop($from_all);
 600             $from_pathname_array = array();
 601         for ($i=0; $i<$d->get_path_depth(); $i++) {
 602             $from_pathname_array[] = array_pop($from_all);
 603         }
 604                 $from_pathname_array = array_reverse($from_pathname_array);
 605                 $from_pathname = implode("/", $from_pathname_array);
 606         if ($couch_docid && $couch_revid) {
 607             //for couchDB no URL is available in the table, hence using the foreign_id which is patientID
 608             $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/temp/' . $d->get_foreign_id() . '_' . $from_filename;
 609         } else {
 610             $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_pathname . '/' . $from_filename;
 611         }
 612
 613         if (file_exists($temp_url)) {
 614             $url = $temp_url;
 615         }
 616
 617
 618         if (!file_exists($url)) {
 619             echo xl('The requested document is not present at the expected location on the filesystem or there are not sufficient permissions to access it.', '', '', ' ') . $url;
 620         } else {
 621             if ($original_file) {
 622                 //normal case when serving the file referenced in database
 623                 if ($disable_exit == true) {
 624                     $f = fopen($url, "r");
 625                     $filetext = fread($f, filesize($url));
 626                     return $filetext;
 627                 }
 628                     header('Content-Description: File Transfer');
 629                     header('Content-Transfer-Encoding: binary');
 630                     header('Expires: 0');
 631                     header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 632                     header('Pragma: public');
 633                     $f = fopen($url, "r");
 634                 if ($doEncryption) {
 635                             $filetext = fread($f, filesize($url));
 636                     $ciphertext = $this->encrypt($filetext, $passphrase);
 637                     $tmpfilepath = $GLOBALS['temporary_files_dir'];
 638                     $tmpfilename = "/encrypted_aes_".$d->get_url_file();
 639                     $tmpfile = fopen($tmpfilepath.$tmpfilename, "w+");
 640                         fwrite($tmpfile, $ciphertext);
 641                         fclose($tmpfile);
 642                         header('Content-Disposition: attachment; filename='.$tmpfilename);
 643                         header("Content-Type: application/octet-stream");
 644                         header("Content-Length: " . filesize($tmpfilepath.$tmpfilename));
 645                         ob_clean();
 646                         flush();
 647                         readfile($tmpfilepath.$tmpfilename);
 648                         unlink($tmpfilepath.$tmpfilename);
 649                 } else {
 650                     header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename_international($d->get_url()) . "\"");
 651                     header("Content-Type: " . $d->get_mimetype());
 652                     header("Content-Length: " . filesize($url));
 653                     fpassthru($f);
 654                 }
 655                     exit;
 656             } else {
 657                 //special case when retrieving a document that has been converted to a jpg and not directly referenced in database
 658                 $convertedFile = substr(basename_international($url), 0, strrpos(basename_international($url), '.')) . '_converted.jpg';
 659                 if ($couch_docid && $couch_revid) {
 660                     $url = $GLOBALS['OE_SITE_DIR'] . '/documents/temp/' . $convertedFile;
 661                 } else {
 662                     $url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_pathname . '/' . $convertedFile;
 663                 }
 664                 if ($disable_exit == true) {
 665                     return ;
 666                 }
 667                         header("Pragma: public");
 668                         header("Expires: 0");
 669                         header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
 670                         header("Content-Disposition: " . ($as_file ? "attachment" : "inline") . "; filename=\"" . basename_international($url) . "\"");
 671                         header("Content-Type: image/jpeg");
 672                         header("Content-Length: " . filesize($url));
 673                         $f = fopen($url, "r");
 674                         fpassthru($f);
 675                 if ($couch_docid && $couch_revid) {
 676                     fclose($f);
 677                     unlink($url);
 678                     $url=str_replace("_converted.jpg", '.pdf', $url);
 679                     unlink($url);
 680                 }
 681                         exit;
 682             }
 683         }
 684     }
 685
 686     function queue_action($patient_id = "")
 687     {
 688         $messages = $this->_tpl_vars['messages'];
 689         $queue_files = array();
 690
 691         //see if the repository exists and it is a directory else error
 692         if (file_exists($this->_config['repository']) && is_dir($this->_config['repository'])) {
 693             $dir = opendir($this->_config['repository']);
 694             //read each entry in the directory
 695             while (($file = readdir($dir)) !== false) {
 696                 //concat the filename and path
 697                 $file = $this->_config['repository'] .$file;
 698                 $file_info = array();
 699                 //if the filename is a file get its info and put into a tmp array
 700                 if (is_file($file) && strpos(basename_international($file), ".") !== 0) {
 701                     $file_info['filename'] = basename_international($file);
 702                     $file_info['mtime'] = date("m/d/Y H:i:s", filemtime($file));
 703                     $d = $this->Document->document_factory_url("file://" . $file);
 704                     preg_match("/^([0-9]+)_/", basename_international($file), $patient_match);
 705                     $file_info['patient_id'] = $patient_match[1];
 706                     $file_info['document_id'] = $d->get_id();
 707                     $file_info['web_path'] = $this->_link("retrieve", true) . "document_id=" . $d->get_id() . "&";
 708
 709                     //merge the tmp array into the larger array
 710                     $queue_files[] = $file_info;
 711                 }
 712             }
 713             closedir($dir);
 714         } else {
 715             $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";
 716         }
 717
 718
 719         $this->assign("queue_files", $queue_files);
 720         $this->_last_node = null;
 721
 722         $menu  = new HTML_TreeMenu();
 723
 724         //pass an empty array because we don't want the documents for each category showing up in this list box
 725         $rnode = $this->_array_recurse($this->tree->tree, array());
 726         $menu->addItem($rnode);
 727         $treeMenu_listbox  = new HTML_TreeMenu_Listbox($menu, array());
 728
 729         $this->assign("tree_html_listbox", $treeMenu_listbox->toHTML());
 730
 731         $this->assign("messages", nl2br($messages));
 732         return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_queue.html");
 733     }
 734
 735     function queue_action_process()
 736     {
 737         if ($_POST['process'] != "true") {
 738             return;
 739         }
 740
 741         $messages = $this->_tpl_vars['messages'];
 742
 743         //build a category tree so we can have a list of category ids that are valid
 744         $ct = new CategoryTree(1);
 745         $categories = $ct->_id_name;
 746
 747         //see if there were and posted files and assign them
 748         $files = null;
 749         is_array($_POST['files']) ? $files = $_POST['files']: $files = array();
 750
 751         //loop through posted files
 752         foreach ($files as $doc_id => $file) {
 753             //only operate on files checked as active
 754             if (!$file['active']) {
 755                 continue;
 756             }
 757
 758             //run basic validation checks
 759             if (!is_numeric($file['patient_id']) || !is_numeric($file['category_id']) || !is_numeric($doc_id)) {
 760                 $messages .= "Error processing file '" . $file['name'] ."' the patient id must be a number and the category must exist.\n";
 761                 continue;
 762             }
 763
 764             //validate that the pod exists
 765             $d = new Document($doc_id);
 766             $sql = "SELECT pid from patient_data where pubpid = '" . $file['patient_id'] . "'";
 767             $result = $d->_db->Execute($sql);
 768
 769             if (!$result || $result->EOF) {
 770                 //patient id does not exist
 771                 $messages .= "Error processing file '" . $file['name'] ." the specified patient id '" . $file['patient_id'] . "' could not be found.\n";
 772                 continue;
 773             }
 774
 775             //validate that the category id exists
 776             if (!isset($categories[$file['category_id']])) {
 777                 $messages .= "Error processing file '" . $file['name'] . " the specified category with id '" . $file['category_id'] . "' could not be found.\n";
 778                 continue;
 779             }
 780
 781             //now do the work of moving the file
 782             $new_path = $this->_config['repository'] . $file['patient_id'] ."/";
 783
 784             //see if the patient dir exists in the repository and create if not
 785             if (!file_exists($new_path)) {
 786                 if (!mkdir($new_path, 0700)) {
 787                     $messages .= "The system was unable to create the directory for this upload, '" . $new_path . "'.\n";
 788                     continue;
 789                 }
 790             }
 791
 792             //fname is the name of the file after it is moved
 793             $fname = $file['name'];
 794
 795             //see if patient autonumbering is used in this filename, if so strip out the autonumber part
 796             preg_match("/^([0-9]+)_/", basename_international($fname), $patient_match);
 797             if ($patient_match[1] == $file['patient_id']) {
 798                 $fname = preg_replace("/^([0-9]+)_/", "", $fname);
 799             }
 800
 801             //filenames should not have funny chars
 802             $fname = preg_replace("/[^a-zA-Z0-9_.]/", "_", $fname);
 803
 804             //see if there is an existing file with the same name and rename as necessary
 805             if (file_exists($new_path.$file['name'])) {
 806                 $messages .= "File with same name already exists at location: " . $new_path . "\n";
 807                 $fname = basename_international($this->_rename_file($new_path.$file['name']));
 808                 $messages .= "Current file name was changed to " . $fname ."\n";
 809             }
 810
 811             //now move the file
 812             if (rename($this->_config['repository'].$file['name'], $new_path.$fname)) {
 813                 $messages .= "File " . $fname . " moved to patient id '" . $file['patient_id'] ."' and category '" . $categories[$file['category_id']]['name'] . "' successfully.\n";
 814                 $d->url = "file://" .$new_path.$fname;
 815                 $d->set_foreign_id($file['patient_id']);
 816                 $d->set_mimetype($mimetype);
 817                 $d->persist();
 818                 $d->populate();
 819
 820                 if (is_numeric($d->get_id()) && is_numeric($file['category_id'])) {
 821                     $sql = "REPLACE INTO categories_to_documents set category_id = '" . $file['category_id'] . "', document_id = '" . $d->get_id() . "'";
 822                     $d->_db->Execute($sql);
 823                 }
 824             } else {
 825                 $error .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 826             }
 827         }
 828             $this->assign("messages", $messages);
 829             $_POST['process'] = "";
 830     }
 831
 832     function move_action_process($patient_id = "", $document_id)
 833     {
 834         if ($_POST['process'] != "true") {
 835             return;
 836         }
 837
 838         $new_category_id = $_POST['new_category_id'];
 839         $new_patient_id = $_POST['new_patient_id'];
 840
 841         //move to new category
 842         if (is_numeric($new_category_id) && is_numeric($document_id)) {
 843             $sql = "UPDATE categories_to_documents set category_id = '" . $new_category_id . "' where document_id = '" . $document_id ."'";
 844             $messages .= xl('Document moved to new category', '', '', ' \'') . $this->tree->_id_name[$new_category_id]['name']  . xl('successfully.', '', '\' ') . "\n";
 845             //echo $sql;
 846             $this->tree->_db->Execute($sql);
 847         }
 848
 849         //move to new patient
 850         if (is_numeric($new_patient_id) && is_numeric($document_id)) {
 851             $d = new Document($document_id);
 852             // $sql = "SELECT pid from patient_data where pubpid = '" . $new_patient_id . "'";
 853             $sql = "SELECT pid from patient_data where pid = '" . $new_patient_id . "'";
 854             $result = $d->_db->Execute($sql);
 855
 856             if (!$result || $result->EOF) {
 857                 //patient id does not exist
 858                 $messages .= xl('Document could not be moved to patient id', '', '', ' \'') . $new_patient_id  . xl('because that id does not exist.', '', '\' ') . "\n";
 859             } else {
 860                 $couchsavefailed = !$d->change_patient($new_patient_id);
 861
 862                 $this->_state = false;
 863                 if (!$couchsavefailed) {
 864                     $messages .= xl('Document moved to patient id', '', '', ' \'') . $new_patient_id  . xl('successfully.', '', '\' ') . "\n";
 865                 } else {
 866                     $messages .= xl('Document moved to patient id', '', '', ' \'') . $new_patient_id  . xl('Failed.', '', '\' ') . "\n";
 867                 }
 868                 $this->assign("messages", $messages);
 869                 return $this->list_action($patient_id);
 870             }
 871         } //in this case return the document to the queue instead of moving it
 872         elseif (strtolower($new_patient_id) == "q" && is_numeric($document_id)) {
 873             $d = new Document($document_id);
 874             $new_path = $this->_config['repository'];
 875             $fname = $d->get_url_file();
 876
 877             //see if there is an existing file with the same name and rename as necessary
 878             if (file_exists($new_path.$d->get_url_file())) {
 879                 $messages .= "File with same name already exists in the queue.\n";
 880                 $fname = basename_international($this->_rename_file($new_path.$d->get_url_file()));
 881                 $messages .= "Current file name was changed to " . $fname ."\n";
 882             }
 883
 884             //now move the file
 885             if (rename($d->get_url_filepath(), $new_path.$fname)) {
 886                 $d->url = "file://" .$new_path.$fname;
 887                 $d->set_foreign_id("");
 888                 $d->persist();
 889                 $d->persist();
 890                 $d->populate();
 891
 892                 $sql = "DELETE FROM categories_to_documents where document_id =" . $d->_db->qstr($document_id);
 893                 $d->_db->Execute($sql);
 894                 $messages .= "Document returned to queue successfully.\n";
 895             } else {
 896                 $messages .= "The file could not be succesfully stored, this error is usually related to permissions problems on the storage system.\n";
 897             }
 898
 899             $this->_state = false;
 900             $this->assign("messages", $messages);
 901             return $this->list_action($patient_id);
 902         }
 903
 904         $this->_state = false;
 905         $this->assign("messages", $messages);
 906         return $this->view_action($patient_id, $document_id);
 907     }
 908
 909     function validate_action_process($patient_id = "", $document_id)
 910     {
 911
 912                 $d = new Document($document_id);
 913         if ($d->couch_docid && $d->couch_revid) {
 914             $file_path = $GLOBALS['OE_SITE_DIR'].'/documents/temp/';
 915             $url = $file_path.$d->get_url();
 916             $couch = new CouchDB();
 917             $data = array($GLOBALS['couchdb_dbase'],$d->couch_docid);
 918             $resp = $couch->retrieve_doc($data);
 919             $content = $resp->data;
 920             //--------Temporarily writing the file for calculating the hash--------//
 921             //-----------Will be removed after calculating the hash value----------//
 922             $temp_file = fopen($url, "w");
 923             fwrite($temp_file, base64_decode($content));
 924             fclose($temp_file);
 925         } else {
 926                 $url =  $d->get_url();
 927
 928                 //strip url of protocol handler
 929                 $url = preg_replace("|^(.*)://|", "", $url);
 930
 931                 //change full path to current webroot.  this is for documents that may have
 932                 //been moved from a different filesystem and the full path in the database
 933                 //is not current.  this is also for documents that may of been moved to
 934                 //different patients. Note that the path_depth is used to see how far down
 935                 //the path to go. For example, originally the path_depth was always 1, which
 936                 //only allowed things like documents/1/<file>, but now can have more structured
 937                 //directories. For example a path_depth of 2 can give documents/encounters/1/<file>
 938                 // etc.
 939                 // NOTE that $from_filename and basename($url) are the same thing
 940                 $from_all = explode("/", $url);
 941                 $from_filename = array_pop($from_all);
 942                 $from_pathname_array = array();
 943             for ($i=0; $i<$d->get_path_depth(); $i++) {
 944                 $from_pathname_array[] = array_pop($from_all);
 945             }
 946                 $from_pathname_array = array_reverse($from_pathname_array);
 947                 $from_pathname = implode("/", $from_pathname_array);
 948                 $temp_url = $GLOBALS['OE_SITE_DIR'] . '/documents/' . $from_pathname . '/' . $from_filename;
 949             if (file_exists($temp_url)) {
 950                 $url = $temp_url;
 951             }
 952
 953             if ($_POST['process'] != "true") {
 954                 die("process is '" . $_POST['process'] . "', expected 'true'");
 955                 return;
 956             }
 957         }
 958         $d = new Document($document_id);
 959         $current_hash = sha1_file($url);
 960         $messages = xl('Current Hash').": ".$current_hash."<br>";
 961         $messages .= xl('Stored Hash').": ".$d->get_hash()."<br>";
 962         if ($d->get_hash() == '') {
 963             $d->hash = $current_hash;
 964             $d->persist();
 965             $d->populate();
 966             $messages .= xl('Hash did not exist for this file. A new hash was generated.');
 967         } else if ($current_hash != $d->get_hash()) {
 968             $messages .= xl('Hash does not match. Data integrity has been compromised.');
 969         } else {
 970             $messages .= xl('Document passed integrity check.');
 971         }
 972         $this->_state = false;
 973         $this->assign("messages", $messages);
 974         if ($d->couch_docid && $d->couch_revid) {
 975             //Removing the temporary file which is used to create the hash
 976             unlink($GLOBALS['OE_SITE_DIR'].'/documents/temp/'.$d->get_url());
 977         }
 978         return $this->view_action($patient_id, $document_id);
 979     }
 980
 981     // Added by Rod for metadata update.
 982     //
 983     function update_action_process($patient_id = "", $document_id)
 984     {
 985
 986         if ($_POST['process'] != "true") {
 987             die("process is '" . $_POST['process'] . "', expected 'true'");
 988             return;
 989         }
 990
 991         $docdate = $_POST['docdate'];
 992         $docname = $_POST['docname'];
 993         $issue_id = $_POST['issue_id'];
 994
 995         if (is_numeric($document_id)) {
 996             $messages = '';
 997             $d = new Document($document_id);
 998             $file_name = $d->get_url_file();
 999             if ($docname != '' &&
1000                  $docname != $file_name ) {
1001                 // Ready to rename - check for relocation
1002                 $old_url = $this->_check_relocation($d->get_url());
1003                 $new_url = $this->_check_relocation($d->get_url(), null, $docname);
1004                 $messages .= sprintf("%s -> %s<br>", $old_url, $new_url);
1005                 if (rename($old_url, $new_url)) {
1006                     // check the "converted" file, and delete it if it exists. It will be regenerated when report is run
1007                     if (file_exists($old_url)) {
1008                         unlink($old_url);
1009                     }
1010                     $d->url = $new_url;
1011                     $d->persist();
1012                     $d->populate();
1013                     $messages .= xl('Document successfully renamed.')."<br>";
1014                 } else {
1015                     $messages .= xl('The file could not be succesfully renamed, this error is usually related to permissions problems on the storage system.')."<br>";
1016                 }
1017             }
1018
1019             if (preg_match('/^\d\d\d\d-\d+-\d+$/', $docdate)) {
1020                 $docdate = "'$docdate'";
1021             } else {
1022                 $docdate = "NULL";
1023             }
1024             if (!is_numeric($issue_id)) {
1025                 $issue_id = 0;
1026             }
1027             $couch_docid = $d->get_couch_docid();
1028             $couch_revid = $d->get_couch_revid();
1029             if ($couch_docid && $couch_revid) {
1030                 $sql = "UPDATE documents SET docdate = $docdate, url = '".$_POST['docname']."', " .
1031                     "list_id = '$issue_id' " .
1032                     "WHERE id = '$document_id'";
1033                 $this->tree->_db->Execute($sql);
1034             } else {
1035                 $sql = "UPDATE documents SET docdate = $docdate, " .
1036                 "list_id = '$issue_id' " .
1037                 "WHERE id = '$document_id'";
1038                 $this->tree->_db->Execute($sql);
1039             }
1040             $messages .= xl('Document date and issue updated successfully') . "<br>";
1041         }
1042
1043         $this->_state = false;
1044         $this->assign("messages", $messages);
1045         return $this->view_action($patient_id, $document_id);
1046     }
1047
1048     function list_action($patient_id = "")
1049     {
1050         $this->_last_node = null;
1051         $categories_list = $this->tree->_get_categories_array($patient_id);
1052         //print_r($categories_list);
1053
1054         $menu  = new HTML_TreeMenu();
1055         $rnode = $this->_array_recurse($this->tree->tree, $categories_list);
1056         $menu->addItem($rnode);
1057         $treeMenu = new HTML_TreeMenu_DHTML($menu, array('images' => 'images', 'defaultClass' => 'treeMenuDefault'));
1058         $treeMenu_listbox  = new HTML_TreeMenu_Listbox($menu, array('linkTarget' => '_self'));
1059         $this->assign("tree_html", $treeMenu->toHTML());
1060
1061         $is_new = isset($_GET['patient_name']) ? 1 : false;
1062         $place_hld = isset($_GET['patient_name']) ? filter_input(INPUT_GET, 'patient_name') : xl("Patient search or select.");
1063         $cur_pid = isset($_GET['patient_id']) ? filter_input(INPUT_GET, 'patient_id') : '';
1064         $used_msg = xl('Current patient unavailable here. Use Patient Documents');
1065         if ($cur_pid == '00') {
1066             $cur_pid = '0';
1067             $is_new = 1;
1068         }
1069         $this->assign('is_new', $is_new);
1070         $this->assign('place_hld', $place_hld);
1071         $this->assign('cur_pid', $cur_pid);
1072         $this->assign('used_msg', $used_msg);
1073         $this->assign('demo_pid', $_SESSION['pid']);
1074
1075         return $this->fetch($GLOBALS['template_dir'] . "documents/" . $this->template_mod . "_list.html");
1076     }
1077
1078     /*  This is a recursive function to rename a file to something that doesn't already exist.
1079      *      Modified in version 3.2.0 to place a counter within the filename (previously was placed
1080      *      at end) to ensure documents opened correctly by external browser viewers. If the
1081      *      counter is at the end of the file, then will use it (to continue to work with older
1082      *      files), however all new counters will be placed within filenames.
1083      *
1084      *      Modified to only deal with base file name when renaming, to avoid issues with directory
1085      *      names with dots.
1086      */
1087     function _rename_file($fname, $self = false)
1088     {
1089         // Allow same routine for new file name check
1090         if (!file_exists($fname)) {
1091             return($fname);
1092         }
1093
1094         $path = dirname($fname);
1095         $file = basename_international($fname);
1096
1097         $fparts = explode(".", $file);
1098         switch (count($fparts)) {
1099             case 1:
1100                 // Has a single node (base file name).  Create counter node with value 0
1101                 $fparts[1] = '1';
1102                 break;
1103             case 2:
1104                 // If 2nd node is numeric, assume it is counter and add 1 else insert counter
1105                 if (is_numeric($fparts[1])) {
1106                     $fparts[1] += 1;
1107                 } else {
1108                     array_push($fparts, $fparts[1]);
1109                     $fparts[1] = '1';
1110                 }
1111                 break;
1112             default:
1113                 // Multiple nodes
1114                 $ix_end = count($fparts) - 1;
1115                 if (is_numeric($fparts[$ix_end]) && !is_numeric($fparts[$ix_end - 1])) {
1116                     // Switch old style to new and check again
1117                     $wrk = $fparts[$ix_end - 1];
1118                     $fparts[$ix_end - 1] = $fparts[$ix_end];
1119                     $fparts[$ix_end] = $wrk;
1120                 } else if (is_numeric($fparts[$ix_end - 1])) {
1121                     $fparts[$ix_end - 1] += 1;
1122                 } else {
1123                     array_push($fparts, $fparts[$ix_end]);
1124                     $fparts[$ix_end] = '1';
1125                 }
1126                 break;
1127         }
1128
1129         $fname = $path.DIRECTORY_SEPARATOR.join(".", $fparts);
1130
1131         if (file_exists($fname)) {
1132             return $this->_rename_file($fname, true);
1133         } else {
1134             return($fname);
1135         }
1136     }
1137
1138     function &_array_recurse($array, $categories = array())
1139     {
1140         if (!is_array($array)) {
1141             $array = array();
1142         }
1143         $node = &$this->_last_node;
1144         $current_node = &$node;
1145         $expandedIcon = 'folder-expanded.gif';
1146         foreach ($array as $id => $ar) {
1147             $icon = 'folder.gif';
1148             if (is_array($ar)  || !empty($id)) {
1149                 if ($node == null) {
1150                     //echo "r:" . $this->tree->get_node_name($id) . "<br>";
1151                     $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));
1152                     $this->_last_node = &$rnode;
1153                     $node = &$rnode;
1154                     $current_node = &$rnode;
1155                 } else {
1156                     //echo "p:" . $this->tree->get_node_name($id) . "<br>";
1157                     $this->_last_node = &$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)));
1158                     $current_node = &$this->_last_node;
1159                 }
1160
1161                 $this->_array_recurse($ar, $categories);
1162             } else {
1163                 if ($id === 0 && !empty($ar)) {
1164                     $info = $this->tree->get_node_info($id);
1165                   //echo "b:" . $this->tree->get_node_name($id) . "<br>";
1166                     $current_node = &$node->addItem(new HTML_TreeNode(array("id" => $id, 'text' => $info['value'], 'link' => $this->_link("upload") . "parent_id=" . $id . "&", 'icon' => $icon, 'expandedIcon' => $expandedIcon)));
1167                 } else {
1168                     //there is a third case that is implicit here when title === 0 and $ar is empty, in that case we do not want to do anything
1169                     //this conditional tree could be more efficient but working with recursive trees makes my head hurt, TODO
1170                     if ($id !== 0 && is_object($node)) {
1171                       //echo "n:" . $this->tree->get_node_name($id) . "<br>";
1172                         $current_node = &$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)));
1173                     }
1174                 }
1175             }
1176
1177             // If there are documents in this document category, then add their
1178             // attributes to the current node.
1179             $icon = "file3.png";
1180             if (is_array($categories[$id])) {
1181                 foreach ($categories[$id] as $doc) {
1182                     $link = $this->_link("view") . "doc_id=" . $doc['document_id'] . "&";
1183           // If user has no access then there will be no link.
1184                     if (!acl_check_aco_spec($doc['aco_spec'])) {
1185                         $link = '';
1186                     }
1187                     if ($this->tree->get_node_name($id) == "CCR") {
1188                                 $current_node->addItem(new HTML_TreeNode(array(
1189                         'text' => $doc['docdate'] . ' ' . basename_international($doc['url']),
1190                         'link' => $link,
1191                         'icon' => $icon,
1192                         'expandedIcon' => $expandedIcon,
1193                         'events' => array('Onclick' => "javascript:newwindow=window.open('ccr/display.php?type=CCR&doc_id=" . $doc['document_id'] . "','_blank');")
1194                                 )));
1195                     } elseif ($this->tree->get_node_name($id) == "CCD") {
1196                                 $current_node->addItem(new HTML_TreeNode(array(
1197                         'text' => $doc['docdate'] . ' ' . basename_international($doc['url']),
1198                         'link' => $link,
1199                         'icon' => $icon,
1200                         'expandedIcon' => $expandedIcon,
1201                         'events' => array('Onclick' => "javascript:newwindow=window.open('ccr/display.php?type=CCD&doc_id=" . $doc['document_id'] . "','_blank');")
1202                                 )));
1203                     } else {
1204                                 $current_node->addItem(new HTML_TreeNode(array(
1205                         'text' => $doc['docdate'] . ' ' . basename_international($doc['url']),
1206                         'link' => $link,
1207                         'icon' => $icon,
1208                         'expandedIcon' => $expandedIcon
1209                                 )));
1210                     }
1211                 }
1212             }
1213         }
1214         return $node;
1215     }
1216
1217     //function for logging  the errors in writing file to CouchDB/Hard Disk
1218     function document_upload_download_log($patientid, $content)
1219     {
1220         $log_path = $GLOBALS['OE_SITE_DIR']."/documents/couchdb/";
1221         $log_file = 'log.txt';
1222         if (!is_dir($log_path)) {
1223             mkdir($log_path, 0777, true);
1224         }
1225         $LOG = fopen($log_path.$log_file, 'a');
1226         fwrite($LOG, $content);
1227         fclose($LOG);
1228     }
1229
1230     function document_send($email, $body, $attfile, $pname)
1231     {
1232         if (empty($email)) {
1233             $this->assign("process_result", "Email could not be sent, the address supplied: '$email' was empty or invalid.");
1234             return;
1235         }
1236
1237           $desc = "Please check the attached patient document.\n Content:".$body;
1238           $mail = new MyMailer();
1239           $from_name = $GLOBALS["practice_return_email_path"];
1240           $from =  $GLOBALS["practice_return_email_path"];
1241           $mail->AddReplyTo($from, $from_name);
1242           $mail->SetFrom($from, $from);
1243           $to = $email ;
1244         $to_name =$email;
1245           $mail->AddAddress($to, $to_name);
1246           $subject = "Patient documents";
1247           $mail->Subject = $subject;
1248           $mail->Body = $desc;
1249           $mail->AddAttachment($attfile);
1250         if ($mail->Send()) {
1251             $retstatus = "email_sent";
1252         } else {
1253             $email_status = $mail->ErrorInfo;
1254             //echo "EMAIL ERROR: ".$email_status;
1255             $retstatus =  "email_fail";
1256         }
1257     }
1258
1259 //place to hold optional code
1260 //$first_node = array_keys($t->tree);
1261         //$first_node = $first_node[0];
1262         //$node1 = new HTML_TreeNode(array('text' => $t->get_node_name($first_node), 'link' => "test.php", 'icon' => $icon, 'expandedIcon' => $expandedIcon, 'expanded' => true), array('onclick' => "alert('foo'); return false", 'onexpand' => "alert('Expanded')"));
1263
1264         //$this->_last_node = &$node1;
1265
1266 // Function to tag a document to an encounter.
1267     function tag_action_process($patient_id = "", $document_id)
1268     {
1269         if ($_POST['process'] != "true") {
1270             die("process is '" . text($_POST['process']) . "', expected 'true'");
1271             return;
1272         }
1273
1274         // Create Encounter and Tag it.
1275         $event_date = date('Y-m-d H:i:s');
1276         $encounter_id = $_POST['encounter_id'];
1277         $encounter_check = $_POST['encounter_check'];
1278         $visit_category_id = $_POST['visit_category_id'];
1279
1280         if (is_numeric($document_id)) {
1281             $messages = '';
1282             $d = new Document($document_id);
1283             $file_name = $d->get_url_file();
1284             if (!is_numeric($encounter_id)) {
1285                 $encounter_id = 0;
1286             }
1287
1288             $encounter_check = ( $encounter_check == 'on') ? 1 : 0;
1289             if ($encounter_check) {
1290                 $provider_id = $_SESSION['authUserID'] ;
1291
1292                 // Get the logged in user's facility
1293                 $facilityRow = sqlQuery("SELECT username, facility, facility_id FROM users WHERE id = ?", array("$provider_id"));
1294                 $username = $facilityRow['username'];
1295                 $facility = $facilityRow['facility'];
1296                 $facility_id = $facilityRow['facility_id'];
1297                 // Get the primary Business Entity facility to set as billing facility, if null take user's facility as billing facility
1298                 $billingFacility = $this->facilityService->getPrimaryBusinessEntity();
1299                 $billingFacilityID = ( $billingFacility['id'] ) ? $billingFacility['id'] : $facility_id;
1300
1301                 $conn = $GLOBALS['adodb']['db'];
1302                 $encounter = $conn->GenID("sequences");
1303                 $query = "INSERT INTO form_encounter SET
1304                                                 date = ?,
1305                                                 reason = ?,
1306                                                 facility = ?,
1307                                                 sensitivity = 'normal',
1308                                                 pc_catid = ?,
1309                                                 facility_id = ?,
1310                                                 billing_facility = ?,
1311                                                 provider_id = ?,
1312                                                 pid = ?,
1313                                                 encounter = ?";
1314                 $bindArray = array($event_date,$file_name,$facility,$_POST['visit_category_id'],(int)$facility_id,(int)$billingFacilityID,(int)$provider_id,$patient_id,$encounter);
1315                 $formID = sqlInsert($query, $bindArray);
1316                 addForm($encounter, "New Patient Encounter", $formID, "newpatient", $patient_id, "1", date("Y-m-d H:i:s"), $username);
1317                 $d->set_encounter_id($encounter);
1318                 $this->image_result_indication($d->id, $encounter);
1319             } else {
1320                 $d->set_encounter_id($encounter_id);
1321                 $this->image_result_indication($d->id, $encounter_id);
1322             }
1323             $d->set_encounter_check($encounter_check);
1324             $d->persist();
1325
1326             $messages .= xlt('Document tagged to Encounter successfully') . "<br>";
1327         }
1328
1329         $this->_state = false;
1330         $this->assign("messages", $messages);
1331
1332         return $this->view_action($patient_id, $document_id);
1333     }
1334
1335     function image_procedure_action($patient_id = "", $document_id)
1336     {
1337
1338         $img_procedure_id = $_POST['image_procedure_id'];
1339         $proc_code = $_POST['procedure_code'];
1340
1341         if (is_numeric($document_id)) {
1342             $img_order  = sqlQuery("select * from procedure_order_code where procedure_order_id = ? and procedure_code = ? ", array($img_procedure_id,$proc_code));
1343             $img_report = sqlQuery("select * from procedure_report where procedure_order_id = ? and procedure_order_seq = ? ", array($img_procedure_id,$img_order['procedure_order_seq']));
1344             $img_report_id = !empty($img_report['procedure_report_id']) ? $img_report['procedure_report_id'] : 0;
1345             if ($img_report_id == 0) {
1346                 $report_date = date('Y-m-d H:i:s');
1347                 $img_report_id = sqlInsert("INSERT INTO procedure_report(procedure_order_id,procedure_order_seq,date_collected,date_report,report_status) values(?,?,?,?,'final')", array($img_procedure_id,$img_order['procedure_order_seq'],$img_order['date_collected'],$report_date));
1348             }
1349
1350             $img_result = sqlQuery("select * from procedure_result where procedure_report_id = ? and document_id = ?", array($img_report_id,$document_id));
1351             if (empty($img_result)) {
1352                 sqlInsert("INSERT INTO procedure_result(procedure_report_id,date,document_id,result_status) values(?,?,?,'final')", array($img_report_id,date('Y-m-d H:i:s'),$document_id));
1353             }
1354
1355             $this->image_result_indication($document_id, 0, $img_procedure_id);
1356         }
1357         return $this->view_action($patient_id, $document_id);
1358     }
1359
1360     function clear_procedure_tag_action($patient_id = "", $document_id)
1361     {
1362         if (is_numeric($document_id)) {
1363             sqlStatement("delete from procedure_result where document_id = ?", $document_id);
1364         }
1365         return $this->view_action($patient_id, $document_id);
1366     }
1367
1368     function get_mapped_procedure($document_id)
1369     {
1370         $map = array();
1371         if (is_numeric($document_id)) {
1372             $map = sqlQuery("select poc.procedure_order_id,poc.procedure_code from procedure_result pres
1373                                                    inner join procedure_report pr on pr.procedure_report_id = pres.procedure_report_id
1374                                                    inner join procedure_order_code poc on (poc.procedure_order_id = pr.procedure_order_id and poc.procedure_order_seq = pr.procedure_order_seq)
1375                                                    inner join procedure_order po on po.procedure_order_id = poc.procedure_order_id
1376                                                    where pres.document_id = ?", array($document_id));
1377         }
1378         return $map;
1379     }
1380
1381     function image_result_indication($doc_id, $encounter, $image_procedure_id = 0)
1382     {
1383         $doc_notes = sqlQuery("select note from notes where foreign_id = ?", array($doc_id));
1384         $narration = isset($doc_notes['note']) ? 'With Narration': 'Without Narration';
1385
1386         if ($encounter != 0) {
1387             $ep = sqlQuery("select u.username as assigned_to from form_encounter inner join users u on u.id = provider_id where encounter = ?", array($encounter));
1388         } else if ($image_procedure_id != 0) {
1389             $ep = sqlQuery("select u.username as assigned_to from procedure_order inner join users u on u.id = provider_id where procedure_order_id = ?", array($image_procedure_id));
1390         } else {
1391             $ep = array('assigned_to' => $_SESSION['authUser']);
1392         }
1393
1394         $encounter_provider = isset($ep['assigned_to']) ? $ep['assigned_to'] : $_SESSION['authUser'];
1395         $noteid = addPnote($_SESSION['pid'], 'New Image Report received '.$narration, 0, 1, 'Image Results', $encounter_provider, '', 'New', '');
1396         setGpRelation(1, $doc_id, 6, $noteid);
1397     }
1398
1399 /**  Function to accomodate the relocation of entire "documents" folder to another host or filesystem  **
1400  * Also usable for documents that may of been moved to different patients.
1401  *
1402  * @param string $url - Current url string from database.
1403  * @param string $new_pid - Include pid corrections to receive corrected url during move operation.
1404  * @param string $new_name - Include name corrections to receive corrected url during rename operation.
1405  *
1406  * @return string
1407  */
1408     function _check_relocation($url, $new_pid = null, $new_name = null)
1409     {
1410         //strip url of protocol handler
1411         $url = preg_replace("|^(.*)://|", "", $url);
1412         $fsnodes = explode(DIRECTORY_SEPARATOR, $url);
1413         while (current($fsnodes) != "documents") {
1414             array_shift($fsnodes);
1415         }
1416         if ($new_pid) {
1417             $fsnodes[1] = $new_pid;
1418         }
1419         if ($new_name) {
1420             $fsnodes[count($fsnodes)-1] = $new_name;
1421         }
1422         $url = $GLOBALS['OE_SITE_DIR'].DIRECTORY_SEPARATOR.implode(DIRECTORY_SEPARATOR, $fsnodes);
1423         // Make sure the url is available after corrections
1424         if ($new_pid || $new_name) {
1425             $url = $this->_rename_file($url);
1426         }
1427         //Add full path and remaining nodes
1428         return $url;
1429     }
1430
1431 //clear encounter tag function
1432     function clear_encounter_tag_action($patient_id = "", $document_id)
1433     {
1434         if (is_numeric($document_id)) {
1435             sqlStatement("update documents set encounter_id='0' where foreign_id=? and id = ?", array($patient_id,$document_id));
1436         }
1437         return $this->view_action($patient_id, $document_id);
1438     }
1439 }