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