<?php
	// $Id: class.Coverage.php,v 1.5 2004/02/23 05:45:11 rufustfirefly Exp $
	// $Author: rufustfirefly $

// Class: FreeMED.Coverage
//
//	Class encapsulating insurance coverage. This class is rather
//	unique in FreeMED, as FreeMED looks at patients as objects, and
//	their insurance data as a completely ancillary table, with all
//	insurance information being completely separate from the core
//	electronic medical record.
//
class Coverage {
	var $local_record;                // stores basic record
	var $id;                          // record ID for insurance company
	var $covpatgrpno;                  // patients group no for this payer
	var $covpatinsno;                  // patients id number for this payer
	var $covstatus;
	var $covtype;                   // payertype 1 prim, 2 sec 3 tert 4 wc
	var $coveffdt;                // effective dates for coverage
	var $covinsco;		// pointer to corresponding insco.
	var $covreldep;                 // guar relation to insured 
	var $covdep;                 // help ease the conversion
	var $covpatient;             // the patient

	// insureds info only if rel is not "S"elf

	// Method: Coverage constructor
	//
	// Parameters:
	//
	//	$coverageid - Database table identifier for the
	//	specified coverage.
	//
	function Coverage ($coverageid = "") {
		if ($coverageid=="" OR $coverageid==0) return false;

		// Check in the cache
		if (!isset($GLOBALS['__freemed']['cache']['coverage'][$coverageid])) {
			// Get record
			$this->local_record = freemed::get_link_rec (
				$coverageid, "coverage"
			);

			// Cache it
			$GLOBALS['__freemed']['cache']['coverage'][$coverageid] = $this->local_record;
		} else {
			// Retrieve from cache
			$this->local_record = $GLOBALS['__freemed']['cache']['coverage'][$coverageid];
		}
		$this->covpatgrpno = $this->local_record[covpatgrpno];	
		$this->covpatinsno = $this->local_record[covpatinsno];	
		$this->covstatus = $this->local_record[covstatus];	
		$this->covtype = $this->local_record[covtype];	
		$this->coveffdt = $this->local_record[coveffdt];	
		$this->covinsco = CreateObject('FreeMED.InsuranceCompany', $this->local_record[covinsco]);	
		$this->covreldep = $this->local_record[covrel];	
		$this->id = $this->local_record[id];
		$this->covpatient = $this->local_record[covpatient];	
		if ($this->covreldep != "S") {
			// you pass this to the guarantor class
			$this->covdep = $this->id;
		} else {
			$this->covdep = 0;
		}

	} // end constructor Coverage

	// Method: Coverage->GetProceduresToBill
	//
	//	Returns the list of procedures that should be billed
	//	based on the information given.
	//
	// Parameters:
	//
	//	$pat - (optional)
	//
	//	$id - (optional)
	//
	//	$type - (optional)
	//
	//	$forpat - (optional)
	//
	function GetProceduresToBill ( $pat=-1, $id=-1, $type=-1, $forpat=0 ) {
		global $display_buffer;
		//print "GetProceduresToBill (pat = $pat, id = $id, type = $type, forpat = $forpat)\n";

		if ($forpat == 0) {
			if (!$id) {
				//print "Coverage::GetProceduresToBill - no id present.<br/>\n";
				return 0;
			}
			if (!$type) {
				//print "Coverage::GetProceduresToBill - no type present.<br/>\n";
				return 0;
			}
		}

		if (!$pat) {
			//print "Coverage::GetProceduresToBill - no patient present.<br/>\n";
			return 0;
		}

		$query = "SELECT * FROM procrec ".
			"WHERE (proccurcovtp='".addslashes($type)."' AND ".
			"proccurcovid='".addslashes($id)."' AND ".
			"procbalcurrent > '0' AND ".
			"procpatient = ".addslashes($pat)." AND ".
			"procbillable='0' AND procbilled='0') ".
			"ORDER BY procpos,procphysician,procrefdoc,proceoc,".
				"procclmtp,procauth,proccov1,proccov2,".
				"procdt";
		//print "query = \"$query\"\n";
		$result = $GLOBALS['sql']->query($query);
		if (!$GLOBALS['sql']->results($result)) {
			return 0;
		} else {
			return $result;
		}
	} // end method GetProceduresToBill

	// Method: get_coverage
	function get_coverage ( ) {
		return $this->local_record;
	} // end method get_coverage

	// Method: get_payers
	//
	//	Get entire list of payers for the system
	//
	// Returns:
	//
	//	Array of payer id keys
	//
	function get_payers ( ) {
		$query = "SELECT insconame, inscocity, inscostate, id ".
			"FROM insco ORDER BY insconame, inscocity, ".
			"inscostate";
		$result = $GLOBALS['sql']->query( $query );
		while ( $r = $GLOBALS['sql']->fetch_array ( $result ) ) {
			$payers[] = $r['id'];
		} // end while there are no more
		return $payers;
	} // end method get_payers

} // end class Coverage

?>