library/classes/Prescription.class.php

   1 <?php
   2
   3         require_once (dirname(__FILE__) ."/../sql.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
  11         define('UNIT_MG',1);
  12         define('UNIT_MG_1CC',2);
  13         define('UNIT_MG_2CC',3);
  14         define('UNIT_MG_3CC',4);
  15         define('UNIT_MG_4CC',5);
  16         define('UNIT_MG_5CC',6);
  17         define('UNIT_GRAMS',7);
  18         define('UNIT_MCG',8);
  19         define('INTERVAL_BID',1);
  20         define('INTERVAL_TID',2);
  21         define('INTERVAL_QID',3);
  22         define('INTERVAL_Q_3H',4);
  23         define('INTERVAL_Q_4H',5);
  24         define('INTERVAL_Q_5H',6);
  25         define('INTERVAL_Q_6H',7);
  26         define('INTERVAL_Q_8H',8);
  27         define('INTERVAL_QD',9);
  28         define('SUBSTITUTE_YES',1);
  29         define('SUBSTITUTE_NO',2);
  30
  31         define('FORM_SUSPENSION',1);
  32         define('FORM_TABLET',2);
  33         define('FORM_CAPSULE',3);
  34         define('FORM_SOLUTION',4);
  35         define('FORM_TSP',5);
  36         define('FORM_ML',6);
  37         define('FORM_UNITS',7);
  38         define('FORM_INHILATIONS',8);
  39         define('FORM_GTTS_DROPS',9);
  40
  41         define("ROUTE_PER_ORIS", 1);
  42         define("ROUTE_PER_RECTUM", 2);
  43         define("ROUTE_TO_SKIN", 3);
  44         define("ROUTE_TO_AFFECTED_AREA", 4);
  45         define("ROUTE_SUBLINGUAL", 5);
  46         define("ROUTE_OS", 6);
  47         define("ROUTE_OD", 7);
  48         define("ROUTE_OU", 8);
  49         define("ROUTE_SQ", 9);
  50         define("ROUTE_IM", 10);
  51         define("ROUTE_IV", 11);
  52         define("ROUTE_PER_NOSTRIL", 12);
  53
  54 /**
  55  * class Prescription
  56  *
  57  */
  58 class Prescription extends ORDataObject {
  59
  60         /**
  61          *
  62          * @access public
  63          */
  64
  65
  66         /**
  67          *
  68          * static
  69          */
  70         var $form_array = array(" ",FORM_TABLET => "tablet", FORM_CAPSULE => "capsule", FORM_TSP => "tsp", FORM_ML => "ml", FORM_UNITS => "units",
  71                                                         FORM_INHILATIONS => "inhilations", FORM_GTTS_DROPS => "gtts(drops)");
  72         var $unit_array = array(" ","mg","mg/1cc","","","","mg/5cc","mcg");
  73         var $route_array = array(" ","Per Oris","Per Rectum","To Skin","To Affected Area","Sublingual", "OS", "OD", "OU", "SQ", "IM", "IV", "Per Nostril");
  74         var $interval_array = array(" ","b.i.d.","t.i.d.","q.i.d.","q.3h","q.4h","q.5h","q.6h","q.8h","q.d.");
  75         var $substitute_array = array("","substitution allowed","substitution not allowed");
  76         var $refills_array;
  77
  78         /**
  79          *
  80          * @access private
  81          */
  82
  83         var $id;
  84         var $patient;
  85         var $pharmacist;
  86         var $date_added;
  87         var $date_modified;
  88         var $pharmacy;
  89         var $start_date;
  90         var $filled_date;
  91         var $provider;
  92         var $note;
  93         var $drug;
  94         var $form;
  95         var $dosage;
  96         var $quantity;
  97         var $size;
  98         var $unit;
  99         var $route;
 100         var $interval;
 101         var $substitute;
 102         var $refills;
 103         var $per_refill;
 104
 105
 106         /**
 107          * Constructor sets all Prescription attributes to their default value
 108          */
 109
 110         function Prescription($id= "", $_prefix = "")   {
 111                 if (is_numeric($id)) {
 112                         $this->id = $id;
 113                 }
 114                 else {
 115                         $id = "";
 116                 }
 117                 //$this->unit = UNIT_MG;
 118                 //$this->route = ROUTE_PER_ORIS;
 119                 //$this->quantity = 1;
 120                 //$this->size = 1;
 121                 $this->refills = 0;
 122                 //$this->form = FORM_TABLET;
 123                 $this->substitute = false;
 124                 $this->_prefix = $_prefix;
 125                 $this->_table = "prescriptions";
 126                 $this->pharmacy = new Pharmacy();
 127                 $this->pharmacist = new Person();
 128                 $this->provider = new Provider($_SESSION['authId']);
 129                 $this->patient = new Patient();
 130                 $this->start_date = date("Y-m-d");
 131                 $this->date_added = date("Y-m-d");
 132                 $this->date_modified = date("Y-m-d");
 133                 $this->per_refill = 0;
 134                 $this->note = "";
 135                 for($i=0;$i<21;$i++) {
 136                         $this->refills_array[$i] = sprintf("%02d",$i);
 137                 }
 138                 if ($id != "") {
 139                         $this->populate();
 140                 }
 141         }
 142
 143         function persist() {
 144
 145                 $this->date_modified = date("Y-m-d");
 146                 if ($this->id == "") {
 147                         $this->date_added = date("Y-m-d");
 148                 }
 149                 if (parent::persist()) {
 150                 }
 151
 152         }
 153
 154         function populate() {
 155                 parent::populate();
 156         }
 157
 158         function toString($html = false) {
 159                 $string .= "\n"
 160                         ."ID: " . $this->id . "\n"
 161                         ."Patient:" . $this->patient . "\n"
 162                         ."Patient ID:" . $this->patient->id . "\n"
 163                         ."Pharmacist: " . $this->pharmacist . "\n"
 164                         ."Pharmacist ID: " . $this->pharmacist->id . "\n"
 165                         ."Date Added: " . $this->date_added. "\n"
 166                         ."Date Modified: " . $this->date_modified. "\n"
 167                         ."Pharmacy: " . $this->pharmacy. "\n"
 168                         ."Pharmacy ID:" . $this->pharmacy->id . "\n"
 169                         ."Start Date: " . $this->start_date. "\n"
 170                         ."Filled Date: " . $this->filled_date. "\n"
 171                         ."Provider: " . $this->provider. "\n"
 172                         ."Provider ID: " . $this->provider->id. "\n"
 173                         ."Note: " . $this->note. "\n"
 174                         ."Drug: " . $this->drug. "\n"
 175                         ."Form: " . $this->form_array[$this->form]. "\n"
 176                         ."Dosage: " . $this->dosage. "\n"
 177                         ."Qty: " . $this->quantity. "\n"
 178                         ."Size: " . $this->size. "\n"
 179                         ."Unit: " . $this->unit_array[$this->unit] . "\n"
 180                         ."Route: " . $this->route_array[$this->route] . "\n"
 181                         ."Interval: " .$this->interval_array[$this->interval]. "\n"
 182                         ."Substitute: " . $this->substitute_array[$this->substitute]. "\n"
 183                         ."Refills: " . $this->refills. "\n"
 184                         ."Per Refill: " . $this->per_refill;
 185
 186                 if ($html) {
 187                         return nl2br($string);
 188                 }
 189                 else {
 190                         return $string;
 191                 }
 192         }
 193
 194         function get_unit_display() {
 195                 return $this->unit_array[$this->unit];
 196         }
 197         function get_unit() {
 198                 return $this->unit;
 199         }
 200         function set_unit($unit) {
 201                 if (is_numeric($unit)) {
 202                         $this->unit = $unit;
 203                 }
 204         }
 205         function set_id($id) {
 206                 if (!empty($id) && is_numeric($id)) {
 207                         $this->id = $id;
 208                 }
 209         }
 210         function get_id() {
 211                 return $this->id;
 212         }
 213         function get_dosage_display() {
 214                 if (empty($this->form) && empty($this->interval)) {
 215                   return ($this->dosage);
 216                 }
 217                 else {
 218                   return ($this->dosage . " in " . $this->form_array[$this->form] . " " . $this->interval_array[$this->interval]);
 219                 }
 220         }
 221         function set_dosage($dosage) {
 222                         $this->dosage = $dosage;
 223         }
 224         function get_dosage() {
 225                 return $this->dosage;
 226         }
 227         function set_form($form) {
 228                 if (is_numeric($form)) {
 229                         $this->form = $form;
 230                 }
 231         }
 232         function get_form() {
 233                 return $this->form;
 234         }
 235
 236         function set_refills($refills) {
 237                 if (is_numeric($refills)) {
 238                         $this->refills = $refills;
 239                 }
 240         }
 241         function get_refills() {
 242                 return $this->refills;
 243         }
 244
 245         function set_size($size) {
 246                 if (is_numeric($size)) {
 247                         $this->size = $size;
 248                 }
 249         }
 250         function get_size() {
 251                 return $this->size;
 252         }
 253         function set_quantity($qty) {
 254                 if (is_numeric($qty)) {
 255                         $this->quantity = $qty;
 256                 }
 257         }
 258         function get_quantity() {
 259                 return $this->quantity;
 260         }
 261
 262         function set_route($route) {
 263                 if (is_numeric($route)) {
 264                         $this->route = $route;
 265                 }
 266         }
 267         function get_route() {
 268                 return $this->route;
 269         }
 270
 271         function set_interval($interval) {
 272                 if (is_numeric($interval)) {
 273                         $this->interval = $interval;
 274                 }
 275         }
 276         function get_interval() {
 277                 return $this->interval;
 278         }
 279         function set_substitute($sub) {
 280                 if (is_numeric($sub)) {
 281                         $this->substitute = $sub;
 282                 }
 283         }
 284         function get_substitute() {
 285                 return $this->substitute;
 286         }
 287         function set_per_refill($pr) {
 288                 if (is_numeric($pr)) {
 289                         $this->per_refill = $pr;
 290                 }
 291         }
 292         function get_per_refill() {
 293                 return $this->per_refill;
 294         }
 295         function set_patient_id($id) {
 296                 if (is_numeric($id)) {
 297                         $this->patient = new Patient($id);
 298                 }
 299         }
 300         function get_patient_id() {
 301                 return $this->patient->id;
 302         }
 303         function set_provider_id($id) {
 304                 if (is_numeric($id)) {
 305                         $this->provider = new Provider($id);
 306                 }
 307         }
 308         function get_provider_id() {
 309                 return $this->provider->id;
 310         }
 311         function set_provider($pobj) {
 312                 if (get_class($pobj) == "provider") {
 313                         $this->provider = $pobj;
 314                 }
 315         }
 316
 317         function set_pharmacy_id($id) {
 318                 if (is_numeric($id)) {
 319                         $this->pharmacy = new Pharmacy($id);
 320                 }
 321         }
 322         function get_pharmacy_id() {
 323                 return $this->pharmacy->id;
 324         }
 325         function set_pharmacist_id($id) {
 326                 if (is_numeric($id)) {
 327                         $this->pharmacist = new Person($id);
 328                 }
 329         }
 330         function get_pharmacist() {
 331                 return $this->pharmacist->id;
 332         }
 333         function get_start_date_y() {
 334                 $ymd = split("-",$this->start_date);
 335                 return $ymd[0];
 336         }
 337         function set_start_date_y($year) {
 338                 if (is_numeric($year)) {
 339                         $ymd = split("-",$this->start_date);
 340                         $ymd[0] = $year;
 341                         $this->start_date = $ymd[0] ."-" . $ymd[1] ."-" . $ymd[2];
 342                 }
 343         }
 344         function get_start_date_m() {
 345                 $ymd = split("-",$this->start_date);
 346                 return $ymd[1];
 347         }
 348         function set_start_date_m($month) {
 349                 if (is_numeric($month)) {
 350                         $ymd = split("-",$this->start_date);
 351                         $ymd[1] = $month;
 352                         $this->start_date = $ymd[0] ."-" . $ymd[1] ."-" . $ymd[2];
 353                 }
 354         }
 355         function get_start_date_d() {
 356                 $ymd = split("-",$this->start_date);
 357                 return $ymd[2];
 358         }
 359         function set_start_date_d($day) {
 360                 if (is_numeric($day)) {
 361                         $ymd = split("-",$this->start_date);
 362                         $ymd[2] = $day;
 363                         $this->start_date = $ymd[0] ."-" . $ymd[1] ."-" . $ymd[2];
 364                 }
 365         }
 366         function get_start_date() {
 367                 return $this->start_date;
 368         }
 369         function set_start_date($date) {
 370                 return $this->start_date = $date;
 371         }
 372         function get_date_added() {
 373                 return $this->date_added;
 374         }
 375         function set_date_added($date) {
 376                 return $this->date_added = $date;
 377         }
 378         function get_date_modified() {
 379                 return $this->date_modified;
 380         }
 381         function set_date_modified($date) {
 382                 return $this->date_modified = $date;
 383         }
 384         function get_filled_date() {
 385                 return $this->filled_date;
 386         }
 387         function set_filled_date($date) {
 388                 return $this->filled_date = $date;
 389         }
 390         function set_note($note) {
 391                 $this->note = $note;
 392         }
 393         function get_note() {
 394                 return $this->note;
 395         }
 396         function set_drug($drug) {
 397                 $this->drug = $drug;
 398         }
 399         function get_drug() {
 400                 return $this->drug;
 401         }
 402         function get_filled_by_id() {
 403                 return $this->pharmacist->id;
 404         }
 405         function set_filled_by_id($id) {
 406                 if (is_numeric($id)) {
 407                         return $this->pharmacist->id = $id;
 408                 }
 409         }
 410
 411         function get_prescription_display() {
 412
 413                 $pconfig = $GLOBALS['oer_config']['prescriptions'];
 414
 415                 switch ($pconfig['format']) {
 416                         case "FL":
 417                                 return $this->get_prescription_florida_display();
 418                                 break;
 419                         default:
 420                                 break;
 421                 }
 422                 $sql = "SELECT * FROM users JOIN facility AS f ON f.name = users.facility where users.id ='" . mysql_real_escape_string($this->provider->id) . "'";
 423                 $db = get_db();
 424                 $results = $db->Execute($sql);
 425                 if (!$results->EOF) {
 426
 427                         $string =        $results->fields['name'] . "\n"
 428                         . $results->fields['street'] . "\n"
 429                         . $results->fields['city'] . ", " . $results->fields['state'] . " " . $results->fields['postal_code'] . "\n"
 430                         . $results->fields['phone'] . "\n\n";
 431                 }
 432
 433                 $string .= ""
 434                         ."Prescription For:" . "\t" .$this->patient->get_name_display() . "\n"
 435                         ."Start Date: " . "\t\t" . $this->start_date. "\n"
 436                         ."Provider: " . "\t\t" . $this->provider->get_name_display(). "\n"
 437                         ."Provider FDID: " . "\t\t" . $this->provider->federal_drug_id. "\n"
 438                         ."Drug: " . "\t\t\t" . $this->drug. "\n"
 439                         ."Dosage: " . "\t\t" . $this->dosage . " in ". $this->form_array[$this->form]. " form " . $this->interval_array[$this->interval]. "\n"
 440                         ."Qty: " . "\t\t\t" . $this->quantity. "\n"
 441                         ."Medication Unit: " . "\t" . $this->size  . " ". $this->unit_array[$this->unit] . "\n"
 442                         ."Substitute: " . "\t\t" . $this->substitute_array[$this->substitute]. "\n";
 443                         if ($this->refills > 0) {
 444                                 $string .= "Refills: " . "\t\t" . $this->refills. ", of quantity: " . $this->per_refill ."\n";
 445                         }
 446                         $string .= "\n"."Notes: \n" . $this->note . "\n";
 447                         return $string;
 448         }
 449
 450         function get_prescription_florida_display() {
 451
 452                 $db = get_db();
 453                 $ntt = new NumberToText($this->quantity);
 454                 $ntt2 = new NumberToText($this->per_refill);
 455                 $ntt3 = new NumberToText($this->refills);
 456
 457                 $string = "";
 458
 459                 $gnd = $this->provider->get_name_display();
 460
 461                 while(strlen($gnd)<31) {
 462                                 $gnd .= " ";
 463                 }
 464
 465                 $string .= $gnd . $this->provider->federal_drug_id . "\n";
 466
 467                 $sql = "SELECT * FROM users JOIN facility AS f ON f.name = users.facility where users.id ='" . mysql_real_escape_string($this->provider->id) . "'";
 468                 $results = $db->Execute($sql);
 469
 470                 if (!$results->EOF) {
 471                         $rfn = $results->fields['name'];
 472
 473                         while(strlen($rfn)<31) {
 474                                 $rfn .= " ";
 475                         }
 476
 477                         $string .= $rfn . $this->provider->get_provider_number_default() . "\n"
 478                         . $results->fields['street'] . "\n"
 479                         . $results->fields['city'] . ", " . $results->fields['state'] . " " . $results->fields['postal_code'] . "\n"
 480                         . $results->fields['phone'] . "\n";
 481                 }
 482
 483                 $string .= "\n";
 484                 $string .= strtoupper($this->patient->lname) . ", " . ucfirst($this->patient->fname) . " " . $this->patient->mname . "\n";
 485                 $string .= "DOB " .  $this->patient->date_of_birth . "\n";
 486                 $string .= "\n";
 487                 $string .= date("F j, Y", strtotime($this->start_date)) . "\n";
 488                 $string .= "\n";
 489                 $string .= strtoupper($this->drug) . " " . $this->size  . " ". $this->unit_array[$this->unit] . "\n";
 490                 if (strlen($this->note) > 0) {
 491                         $string .= "Notes: \n" . $this->note . "\n";
 492                 }
 493                 if (!empty($this->dosage)) {
 494                   $string .= $this->dosage;
 495                   if (!empty($this->form)){
 496                    $string .= " " . $this->form_array[$this->form];
 497                   }
 498                   if (!empty($this->interval)) {
 499                         $string .= " " . $this->interval_array[$this->interval];
 500                   }
 501                   if (!empty($this->route)) {
 502                         $string .= " " . $this->route_array[$this->route] . "\n";
 503                   }
 504                 }
 505                 if (!empty($this->quantity)) {
 506                   $string .= "Disp: " . $this->quantity . " (" . trim(strtoupper($ntt->convert())) . ")" . "\n";
 507                 }
 508                 $string .= "\n";
 509                 $string .= "Refills: " . $this->refills . " (" . trim(strtoupper($ntt3->convert())) ."), Per Refill Disp: " . $this->per_refill . " (" . trim(strtoupper($ntt2->convert())) . ")" ."\n";
 510                 $string .= $this->substitute_array[$this->substitute]. "\n";
 511                 $string .= "\n";
 512
 513                 return $string;
 514         }
 515
 516         function prescriptions_factory($patient_id,$order_by = "active DESC, date_modified DESC, date_added DESC") {
 517                 $prescriptions = array();
 518                 $p = new Prescription();
 519                 $sql = "SELECT id FROM  " . $p->_table . " WHERE patient_id = " .mysql_real_escape_string($patient_id) . " and active = 1 ORDER BY " . mysql_real_escape_string($order_by);
 520                 $results = sqlQ($sql);
 521                 //echo "sql: $sql";
 522                 while ($row = mysql_fetch_array($results) ) {
 523                         $prescriptions[] = new Prescription($row['id']);
 524                 }
 525                 return $prescriptions;
 526         }
 527
 528 }       // end of Prescription
 529
 530 //class test
 531 /*
 532 $rx = new Prescription(1);
 533 echo "<br /><br />the object is now: " . $rx->toString(true) . "<br />";
 534 $rx->form = FORM_TABLET;
 535 echo "<br /><br />the object is now: " . $rx->toString(true) . "<br />";
 536 $rx->persist();
 537 echo "<br /><br />the object is now: " . $rx->toString(true) . "<br />";
 538
 539 $rx2 = new Prescription(1);
 540 echo "<br /><br />the object is now: " . $rx->toString(true) . "<br />";
 541 */
 542
 543 ?>