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