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