library/classes/Prescription.class.php

   1 <?php
   2 require_once (dirname(__FILE__) . "/../sql.inc");
   3 require_once (dirname(__FILE__) . "/../lists.inc");
   4 require_once("ORDataObject.class.php");
   5 require_once("Patient.class.php");
   6 require_once("Person.class.php");
   7 require_once("Provider.class.php");
   8 require_once("Pharmacy.class.php");
   9 require_once("NumberToText.class.php");
  10 //below is required for the set_medication() function
  11 require_once (dirname(__FILE__) . "/../formdata.inc.php");
  12
  13 // Below list of terms are deprecated, but we keep this list
  14 //   to keep track of the official openemr drugs terms and
  15 //   corresponding ID's for reference. Official is referring
  16 //   to the default settings after installing OpenEMR.
  17 //
  18 // define('UNIT_BLANK',0);
  19 // define('UNIT_MG',1);
  20 // define('UNIT_MG_1CC',2);
  21 // define('UNIT_MG_2CC',3);
  22 // define('UNIT_MG_3CC',4);
  23 // define('UNIT_MG_4CC',5);
  24 // define('UNIT_MG_5CC',6);
  25 // define('UNIT_MCG',7);
  26 // define('UNIT_GRAMS',8);
  27 //
  28 // define('INTERVAL_BLANK',0);
  29 // define('INTERVAL_BID',1);
  30 // define('INTERVAL_TID',2);
  31 // define('INTERVAL_QID',3);
  32 // define('INTERVAL_Q_3H',4);
  33 // define('INTERVAL_Q_4H',5);
  34 // define('INTERVAL_Q_5H',6);
  35 // define('INTERVAL_Q_6H',7);
  36 // define('INTERVAL_Q_8H',8);
  37 // define('INTERVAL_QD',9);
  38 // define('INTERVAL_AC',10); // added May 2008
  39 // define('INTERVAL_PC',11); // added May 2008
  40 // define('INTERVAL_AM',12); // added May 2008
  41 // define('INTERVAL_PM',13); // added May 2008
  42 // define('INTERVAL_ANTE',14); // added May 2008
  43 // define('INTERVAL_H',15); // added May 2008
  44 // define('INTERVAL_HS',16); // added May 2008
  45 // define('INTERVAL_PRN',17); // added May 2008
  46 // define('INTERVAL_STAT',18); // added May 2008
  47 //
  48 // define('FORM_BLANK',0);
  49 // define('FORM_SUSPENSION',1);
  50 // define('FORM_TABLET',2);
  51 // define('FORM_CAPSULE',3);
  52 // define('FORM_SOLUTION',4);
  53 // define('FORM_TSP',5);
  54 // define('FORM_ML',6);
  55 // define('FORM_UNITS',7);
  56 // define('FORM_INHILATIONS',8);
  57 // define('FORM_GTTS_DROPS',9);
  58 // define('FORM_CR',10);
  59 // define('FORM_OINT',11);
  60 //
  61 // define('ROUTE_BLANK',0);
  62 // define("ROUTE_PER_ORIS", 1);
  63 // define("ROUTE_PER_RECTUM", 2);
  64 // define("ROUTE_TO_SKIN", 3);
  65 // define("ROUTE_TO_AFFECTED_AREA", 4);
  66 // define("ROUTE_SUBLINGUAL", 5);
  67 // define("ROUTE_OS", 6);
  68 // define("ROUTE_OD", 7);
  69 // define("ROUTE_OU", 8);
  70 // define("ROUTE_SQ", 9);
  71 // define("ROUTE_IM", 10);
  72 // define("ROUTE_IV", 11);
  73 // define("ROUTE_PER_NOSTRIL", 12);
  74 // define("ROUTE_B_EAR", 13);
  75 // define("ROUTE_L_EAR", 14);
  76 // define("ROUTE_R_EAR", 15);
  77 //
  78 // define('SUBSTITUTE_YES',1);
  79 // define('SUBSTITUTE_NO',2);
  80 //
  81
  82 // Added 7-2009 by BM to incorporate the units, forms, interval, route lists from list_options
  83 //  This mechanism may only be temporary; will likely migrate changes more downstream to allow
  84 //   users the options of using the addlist widgets and validation frunctions from options.inc.php
  85 //   in the forms and output.
  86 function load_drug_attributes($id) {
  87     $res = sqlStatement("SELECT * FROM list_options WHERE list_id = '$id' ORDER BY seq");
  88     while ($row = sqlFetchArray($res)) {
  89         if ($row['title'] == '') {
  90          $arr[$row['option_id']] = ' ';
  91         }
  92         else {
  93          $arr[$row['option_id']] = xl_list_label($row['title']);
  94         }
  95     }
  96     return $arr;
  97 }
  98
  99 /**
 100  * class Prescription
 101  *
 102  */
 103 class Prescription extends ORDataObject {
 104
 105     /**
 106      *
 107      * @access public
 108      */
 109
 110     /**
 111      *
 112      * static
 113      */
 114     var $form_array;
 115     var $unit_array;
 116     var $route_array;
 117     var $interval_array;
 118     var $substitute_array;
 119     var $medication_array;
 120     var $refills_array;
 121
 122     /**
 123      *
 124      * @access private
 125      */
 126
 127     var $id;
 128     var $patient;
 129     var $pharmacist;
 130     var $date_added;
 131     var $date_modified;
 132     var $pharmacy;
 133     var $start_date;
 134     var $filled_date;
 135     var $provider;
 136     var $note;
 137     var $drug;
 138     var $form;
 139     var $dosage;
 140     var $quantity;
 141     var $size;
 142     var $unit;
 143     var $route;
 144     var $interval;
 145     var $substitute;
 146     var $refills;
 147     var $per_refill;
 148     var $medication;
 149
 150     var $drug_id;
 151     var $active;
 152
 153     /**
 154     * Constructor sets all Prescription attributes to their default value
 155     */
 156
 157     function Prescription($id= "", $_prefix = "") {
 158
 159         // Modified 7-2009 by BM to load the arrays from the lists in lists_options.
 160         // Plan for this to only be temporary, hopefully have the lists used directly
 161         //  from forms in future to allow use of widgets etc.
 162         $this->route_array = load_drug_attributes('drug_route');
 163         $this->form_array = load_drug_attributes('drug_form');
 164         $this->interval_array = load_drug_attributes('drug_interval');
 165         $this->unit_array = load_drug_attributes('drug_units');
 166
 167         $this->substitute_array = array("",xl("substitution allowed"),
 168             xl ("do not substitute"));
 169
 170         $this->medication_array = array(0 => xl('No'), 1 => xl('Yes'));
 171
 172         if (is_numeric($id)) { $this->id = $id; }
 173         else { $id = "";}
 174
 175         //$this->unit = UNIT_MG;
 176         //$this->route = ROUTE_PER_ORIS;
 177         //$this->quantity = 1;
 178         //$this->size = 1;
 179         $this->refills = 0;
 180         //$this->form = FORM_TABLET;
 181         $this->substitute = false;
 182         $this->_prefix = $_prefix;
 183         $this->_table = "prescriptions";
 184         $this->pharmacy = new Pharmacy();
 185         $this->pharmacist = new Person();
 186         $this->provider = new Provider($_SESSION['authId']);
 187         $this->patient = new Patient();
 188         $this->start_date = date("Y-m-d");
 189         $this->date_added = date("Y-m-d");
 190         $this->date_modified = date("Y-m-d");
 191         $this->per_refill = 0;
 192         $this->note = "";
 193
 194         $this->drug_id = 0;
 195         $this->active = 1;
 196
 197         for($i=0;$i<21;$i++) {
 198             $this->refills_array[$i] = sprintf("%02d",$i);
 199         }
 200
 201         if ($id != "") { $this->populate(); }
 202     }
 203
 204     function persist() {
 205         $this->date_modified = date("Y-m-d");
 206         if ($this->id == "") { $this->date_added = date("Y-m-d"); }
 207         if (parent::persist()) { }
 208     }
 209
 210     function populate() {
 211         parent::populate();
 212     }
 213
 214     function toString($html = false) {
 215         $string .= "\n"
 216                 ."ID: " . $this->id . "\n"
 217                 ."Patient:" . $this->patient . "\n"
 218                 ."Patient ID:" . $this->patient->id . "\n"
 219                 ."Pharmacist: " . $this->pharmacist . "\n"
 220                 ."Pharmacist ID: " . $this->pharmacist->id . "\n"
 221                 ."Date Added: " . $this->date_added. "\n"
 222                 ."Date Modified: " . $this->date_modified. "\n"
 223                 ."Pharmacy: " . $this->pharmacy. "\n"
 224                 ."Pharmacy ID:" . $this->pharmacy->id . "\n"
 225                 ."Start Date: " . $this->start_date. "\n"
 226                 ."Filled Date: " . $this->filled_date. "\n"
 227                 ."Provider: " . $this->provider. "\n"
 228                 ."Provider ID: " . $this->provider->id. "\n"
 229                 ."Note: " . $this->note. "\n"
 230                 ."Drug: " . $this->drug. "\n"
 231                 ."Form: " . $this->form_array[$this->form]. "\n"
 232                 ."Dosage: " . $this->dosage. "\n"
 233                 ."Qty: " . $this->quantity. "\n"
 234                 ."Size: " . $this->size. "\n"
 235                 ."Unit: " . $this->unit_array[$this->unit] . "\n"
 236                 ."Route: " . $this->route_array[$this->route] . "\n"
 237                 ."Interval: " .$this->interval_array[$this->interval]. "\n"
 238                 ."Substitute: " . $this->substitute_array[$this->substitute]. "\n"
 239                 ."Refills: " . $this->refills. "\n"
 240                 ."Per Refill: " . $this->per_refill . "\n"
 241                 ."Drug ID: " . $this->drug_id . "\n"
 242                 ."Active: " . $this->active;
 243
 244         if ($html) { return nl2br($string); }
 245         else { return $string; }
 246     }
 247     function get_encounter(){
 248         return $_SESSION['encounter'];
 249     }
 250
 251     function get_unit_display( $display_form="" ) {
 252         return( $this->unit_array[$this->unit] );
 253     }
 254
 255     function get_unit() {
 256         return $this->unit;
 257     }
 258     function set_unit($unit) {
 259         if (is_numeric($unit)) { $this->unit = $unit; }
 260     }
 261
 262     function set_id($id) {
 263         if (!empty($id) && is_numeric($id)) { $this->id = $id; }
 264     }
 265     function get_id() {
 266         return $this->id;
 267     }
 268
 269     function get_dosage_display( $display_form="" ) {
 270         if( empty($this->form) && empty($this->interval) ) {
 271             return( $this->dosage );
 272         }
 273         else {
 274             return ($this->dosage . " " . xl('in') . " " . $this->form_array[$this->form] . " " . $this->interval_array[$this->interval]);
 275         }
 276     }
 277
 278     function set_dosage($dosage) {
 279         $this->dosage = $dosage;
 280     }
 281     function get_dosage() {
 282         return $this->dosage;
 283     }
 284
 285     function set_form($form) {
 286         if (is_numeric($form)) { $this->form = $form; }
 287     }
 288     function get_form() {
 289         return $this->form;
 290     }
 291
 292     function set_refills($refills) {
 293         if (is_numeric($refills)) { $this->refills = $refills; }
 294     }
 295     function get_refills() {
 296         return $this->refills;
 297     }
 298
 299     function set_size($size) {
 300         if (is_numeric($size)) { $this->size = $size; }
 301     }
 302     function get_size() {
 303         return $this->size;
 304     }
 305
 306     function set_quantity($qty) {
 307     // if (is_numeric($qty)) {
 308         $this->quantity = $qty;
 309     // }
 310     }
 311     function get_quantity() {
 312         return $this->quantity;
 313     }
 314
 315     function set_route($route) {
 316         if (is_numeric($route)) { $this->route = $route; }
 317     }
 318     function get_route() {
 319         return $this->route;
 320     }
 321
 322     function set_interval($interval) {
 323         if (is_numeric($interval)) { $this->interval = $interval; }
 324     }
 325     function get_interval() {
 326         return $this->interval;
 327     }
 328
 329     function set_substitute($sub) {
 330         if (is_numeric($sub)) { $this->substitute = $sub; }
 331     }
 332     function get_substitute() {
 333         return $this->substitute;
 334     }
 335     function set_erx_source($erx_source) {
 336         $this->erx_source = $erx_source;
 337     }
 338     function set_medication($med) {
 339         global $ISSUE_TYPES;
 340
 341         $this->medication = $med;
 342
 343         // Avoid making a mess if we are not using the "medication" issue type.
 344         if (isset($ISSUE_TYPES) && !$ISSUE_TYPES['medication']) return;
 345
 346         //below statements are bypassing the persist() function and being used directly in database statements, hence need to use the functions in library/formdata.inc.php
 347         // they have already been run through populate() hence stripped of escapes, so now need to be escaped for database (add_escape_custom() function).
 348
 349         //check if this drug is on the medication list
 350         $dataRow = sqlQuery("select id from lists where type = 'medication' and activity = 1 and (enddate is null or cast(now() as date) < enddate) and upper(trim(title)) = upper(trim('" . add_escape_custom($this->drug) . "')) and pid = " . add_escape_custom($this->patient->id) . ' limit 1');
 351
 352         if ($med && !isset($dataRow['id'])){
 353             $dataRow = sqlQuery("select id from lists where type = 'medication' and activity = 0 and (enddate is null or cast(now() as date) < enddate) and upper(trim(title)) = upper(trim('" . add_escape_custom($this->drug) . "')) and pid = " . add_escape_custom($this->patient->id) . ' limit 1');
 354
 355             if (!isset($dataRow['id'])){
 356                 //add the record to the medication list
 357                 sqlInsert("insert into lists(date,begdate,type,activity,pid,user,groupname,title) values (now(),cast(now() as date),'medication',1," . add_escape_custom($this->patient->id) . ",'" . $$_SESSION['authUser']. "','" . $$_SESSION['authProvider'] . "','" . add_escape_custom($this->drug) . "')");
 358             }
 359             else {
 360                 $dataRow = sqlQuery('update lists set activity = 1'
 361                             . " ,user = '" . $$_SESSION['authUser']
 362                             . "', groupname = '" . $$_SESSION['authProvider'] . "' where id = " . $dataRow['id']);
 363             }
 364         }
 365         elseif (!$med && isset($dataRow['id'])) {
 366             //remove the drug from the medication list if it exists
 367             $dataRow = sqlQuery('update lists set activity = 0'
 368                             . " ,user = '" . $$_SESSION['authUser']
 369                             . "', groupname = '" . $$_SESSION['authProvider'] . "' where id = " . $dataRow['id']);
 370         }
 371     }
 372
 373     function get_medication() {
 374         return $this->medication;
 375     }
 376
 377     function set_per_refill($pr) {
 378         if (is_numeric($pr)) { $this->per_refill = $pr; }
 379     }
 380     function get_per_refill() {
 381         return $this->per_refill;
 382     }
 383
 384     function set_patient_id($id) {
 385         if (is_numeric($id)) { $this->patient = new Patient($id); }
 386     }
 387     function get_patient_id() {
 388         return $this->patient->id;
 389     }
 390
 391     function set_provider_id($id) {
 392         if (is_numeric($id)) { $this->provider = new Provider($id); }
 393     }
 394     function get_provider_id() {
 395         return $this->provider->id;
 396     }
 397
 398     function set_provider($pobj) {
 399         if (get_class($pobj) == "provider") { $this->provider = $pobj; }
 400     }
 401
 402     function set_pharmacy_id($id) {
 403         if (is_numeric($id)) { $this->pharmacy = new Pharmacy($id); }
 404     }
 405     function get_pharmacy_id() {
 406         return $this->pharmacy->id;
 407     }
 408
 409     function set_pharmacist_id($id) {
 410         if (is_numeric($id)) { $this->pharmacist = new Person($id); }
 411     }
 412     function get_pharmacist() {
 413         return $this->pharmacist->id;
 414     }
 415
 416     function get_start_date_y() {
 417         $ymd = split("-",$this->start_date);
 418         return $ymd[0];
 419     }
 420     function set_start_date_y($year) {
 421         if (is_numeric($year)) {
 422             $ymd = split("-",$this->start_date);
 423             $ymd[0] = $year;
 424             $this->start_date = $ymd[0] ."-" . $ymd[1] ."-" . $ymd[2];
 425         }
 426     }
 427     function get_start_date_m() {
 428         $ymd = split("-",$this->start_date);
 429         return $ymd[1];
 430     }
 431     function set_start_date_m($month) {
 432         if (is_numeric($month)) {
 433             $ymd = split("-",$this->start_date);
 434             $ymd[1] = $month;
 435             $this->start_date = $ymd[0] ."-" . $ymd[1] ."-" . $ymd[2];
 436         }
 437     }
 438     function get_start_date_d() {
 439         $ymd = split("-",$this->start_date);
 440         return $ymd[2];
 441     }
 442     function set_start_date_d($day) {
 443         if (is_numeric($day)) {
 444             $ymd = split("-",$this->start_date);
 445             $ymd[2] = $day;
 446             $this->start_date = $ymd[0] ."-" . $ymd[1] ."-" . $ymd[2];
 447         }
 448     }
 449     function get_start_date() {
 450         return $this->start_date;
 451     }
 452     function set_start_date($date) {
 453         return $this->start_date = $date;
 454     }
 455
 456     function get_date_added() {
 457         return $this->date_added;
 458     }
 459     function set_date_added($date) {
 460         return $this->date_added = $date;
 461     }
 462
 463     function get_date_modified() {
 464         return $this->date_modified;
 465     }
 466     function set_date_modified($date) {
 467         return $this->date_modified = $date;
 468     }
 469
 470     function get_filled_date() {
 471         return $this->filled_date;
 472     }
 473     function set_filled_date($date) {
 474         return $this->filled_date = $date;
 475     }
 476
 477     function set_note($note) {
 478         $this->note = $note;
 479     }
 480     function get_note() {
 481         return $this->note;
 482     }
 483
 484     function set_drug($drug) {
 485         $this->drug = $drug;
 486     }
 487     function get_drug() {
 488         return $this->drug;
 489     }
 490
 491     function get_filled_by_id() {
 492         return $this->pharmacist->id;
 493     }
 494     function set_filled_by_id($id) {
 495         if (is_numeric($id)) { return $this->pharmacist->id = $id; }
 496     }
 497
 498     function set_drug_id($drug_id) {
 499         $this->drug_id = $drug_id;
 500     }
 501     function get_drug_id() {
 502         return $this->drug_id;
 503     }
 504
 505     function set_active($active) {
 506         $this->active = $active;
 507     }
 508     function get_active() {
 509         return $this->active;
 510     }
 511
 512     function get_prescription_display() {
 513         $pconfig = $GLOBALS['oer_config']['prescriptions'];
 514
 515         switch ($pconfig['format']) {
 516             case "FL":
 517                 return $this->get_prescription_florida_display();
 518                 break;
 519             default:
 520                 break;
 521         }
 522
 523         $sql = "SELECT * FROM users JOIN facility AS f ON f.name = users.facility where users.id ='" . mysql_real_escape_string($this->provider->id) . "'";
 524         $db = get_db();
 525         $results = $db->Execute($sql);
 526         if (!$results->EOF) {
 527             $string = $results->fields['name'] . "\n"
 528                     . $results->fields['street'] . "\n"
 529                     . $results->fields['city'] . ", " . $results->fields['state'] . " " . $results->fields['postal_code'] . "\n"
 530                     . $results->fields['phone'] . "\n\n";
 531         }
 532
 533         $string .= ""
 534                 ."Prescription For:" . "\t" .$this->patient->get_name_display() . "\n"
 535                 ."DOB:"."\t".$this->patient->get_dob()."\n"
 536                 ."Start Date: " . "\t\t" . $this->start_date. "\n"
 537                 ."Provider: " . "\t\t" . $this->provider->get_name_display(). "\n"
 538                 ."Provider DEA No.: " . "\t\t" . $this->provider->federal_drug_id. "\n"
 539                 ."Drug: " . "\t\t\t" . $this->drug. "\n"
 540                 ."Dosage: " . "\t\t" . $this->dosage . " in ". $this->form_array[$this->form]. " form " . $this->interval_array[$this->interval]. "\n"
 541                 ."Qty: " . "\t\t\t" . $this->quantity. "\n"
 542                 ."Medication Unit: " . "\t" . $this->size  . " ". $this->unit_array[$this->unit] . "\n"
 543                 ."Substitute: " . "\t\t" . $this->substitute_array[$this->substitute]. "\n";
 544         if ($this->refills > 0) {
 545             $string .= "Refills: " . "\t\t" . $this->refills. ", of quantity: " . $this->per_refill ."\n";
 546         }
 547         $string .= "\n"."Notes: \n" . $this->note . "\n";
 548         return $string;
 549     }
 550
 551     function get_prescription_florida_display() {
 552
 553         $db = get_db();
 554         $ntt = new NumberToText($this->quantity);
 555         $ntt2 = new NumberToText($this->per_refill);
 556         $ntt3 = new NumberToText($this->refills);
 557
 558         $string = "";
 559
 560         $gnd = $this->provider->get_name_display();
 561
 562         while(strlen($gnd)<31) { $gnd .= " "; }
 563
 564         $string .= $gnd . $this->provider->federal_drug_id . "\n";
 565
 566         $sql = "SELECT * FROM users JOIN facility AS f ON f.name = users.facility where users.id ='" . mysql_real_escape_string($this->provider->id) . "'";
 567         $results = $db->Execute($sql);
 568
 569         if (!$results->EOF) {
 570             $rfn = $results->fields['name'];
 571
 572             while(strlen($rfn)<31) { $rfn .= " "; }
 573
 574             $string .= $rfn . $this->provider->get_provider_number_default() . "\n"
 575                     . $results->fields['street'] . "\n"
 576                     . $results->fields['city'] . ", " . $results->fields['state'] . " " . $results->fields['postal_code'] . "\n"
 577                     . $results->fields['phone'] . "\n";
 578         }
 579
 580         $string .= "\n";
 581         $string .= strtoupper($this->patient->lname) . ", " . ucfirst($this->patient->fname) . " " . $this->patient->mname . "\n";
 582         $string .= "DOB " .  $this->patient->date_of_birth . "\n";
 583         $string .= "\n";
 584         $string .= date("F j, Y", strtotime($this->start_date)) . "\n";
 585         $string .= "\n";
 586         $string .= strtoupper($this->drug) . " " . $this->size  . " ". $this->unit_array[$this->unit] . "\n";
 587         if (strlen($this->note) > 0) {
 588             $string .= "Notes: \n" . $this->note . "\n";
 589         }
 590         if (!empty($this->dosage)) {
 591             $string .= $this->dosage;
 592             if (!empty($this->form)){
 593                 $string .= " " . $this->form_array[$this->form];
 594             }
 595             if (!empty($this->interval)) {
 596                 $string .= " " . $this->interval_array[$this->interval];
 597             }
 598             if (!empty($this->route)) {
 599                 $string .= " " . $this->route_array[$this->route] . "\n";
 600             }
 601         }
 602         if (!empty($this->quantity)) {
 603             $string .= "Disp: " . $this->quantity . " (" . trim(strtoupper($ntt->convert())) . ")" . "\n";
 604         }
 605         $string .= "\n";
 606         $string .= "Refills: " . $this->refills . " (" . trim(strtoupper($ntt3->convert())) ."), Per Refill Disp: " . $this->per_refill . " (" . trim(strtoupper($ntt2->convert())) . ")" ."\n";
 607         $string .= $this->substitute_array[$this->substitute]. "\n";
 608         $string .= "\n";
 609
 610         return $string;
 611     }
 612
 613     function prescriptions_factory($patient_id,
 614                             $order_by = "active DESC, date_modified DESC, date_added DESC")
 615     {
 616         $prescriptions = array();
 617         require_once (dirname(__FILE__) . "/../translation.inc.php");
 618         $p = new Prescription();
 619         $sql = "SELECT id FROM  " . $p->_table . " WHERE patient_id = " .
 620                 mysql_real_escape_string($patient_id) .
 621                 " ORDER BY " . mysql_real_escape_string($order_by);
 622         $results = sqlQ($sql);
 623         while ($row = mysql_fetch_array($results) ) {
 624             $prescriptions[] = new Prescription($row['id']);
 625         }
 626         return $prescriptions;
 627     }
 628
 629     function get_dispensation_count() {
 630         if (empty($this->id)) return 0;
 631         $refills_row = sqlQuery("SELECT count(*) AS count FROM drug_sales " .
 632                     "WHERE prescription_id = '" . $this->id . "' AND quantity > 0");
 633         return $refills_row['count'];
 634     }
 635
 636 }// end of Prescription
 637 ?>