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