C0QHF	; GPL - Health Factor Utility Routines ;9/02/11  17:05
	;;0.1;C0Q;nopatch;noreleasedate;Build 23
	;Copyright 2011 George Lilly.  Licensed under the terms of the GNU
	;General Public License See attached copy of the License.
	;
	;This program is free software; you can redistribute it and/or modify
	;it under the terms of the GNU General Public License as published by
	;the Free Software Foundation; either version 2 of the License, or
	;(at your option) any later version.
	;
	;This program is distributed in the hope that it will be useful,
	;but WITHOUT ANY WARRANTY; without even the implied warranty of
	;MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	;GNU General Public License for more details.
	;
	;You should have received a copy of the GNU General Public License along
	;with this program; if not, write to the Free Software Foundation, Inc.,
	;51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	;
	Q
	;
	; these routines are for quick lookups on HEALTH FACTOR and V HEALTH FACTOR
	; files...
	;
	; from the DD:
	;STANDARD DATA DICTIONARY #9000010.23 -- V HEALTH FACTORS FILE
	;STORED IN ^AUPNVHF(  (6744 ENTRIES)
	;CROSS REFERENCED BY: PATIENT NAME(AATOO), HEALTH FACTOR(AATOO1), VISIT(AD),
	;    VISIT(AV10), HEALTH FACTOR(B), PATIENT NAME(C)
	;
	;STANDARD DATA DICTIONARY #9999999.64 -- HEALTH FACTORS FILE
	;STORED IN ^AUTTHF(  (8656 ENTRIES)
	;CROSS REFERENCED BY: CATEGORY(AC), ENTRY TYPE(AD), FACTOR(B), SYNONYM(D)
	;
HFYN(DFN,C0QHF)	; EXTRINSIC RETURNS 1 (YES) OR 0 (NO) IF A PATIENT
	; HAS A HEALTH FACTOR
	N ZI,ZJ,ZR
	S ZI=$O(^AUTTHF("B",C0QHF,"")) ; HEALTH FACTOR IEN
	I ZI="" D  Q 0 ;
	. W !,"BAD HEALTH FACTOR: ",C0QHF
	I $D(^AUPNVHF("AA",DFN,ZI)) S ZR=1
	E  S ZR=0
	Q ZR
	;
HFIEN(ZHF)	; EXTRINSIC RETURNS THE IEN OF THE HEALTHFACTOR
	N ZI
	S ZI=$O(^AUTTHF("B",ZHF,"")) ; HEALTH FACTOR IEN
	Q ZI
	;
VHFIEN(DFN,ZHF)	; EXTRINSIC RETURNS THE LAST IEN OF THIS HEALTH FACTOR
	; FOR THE PATIENT
	N ZG,ZJ,ZK
	S ZG=$$HFIEN(ZHF)
	I ZG="" Q  ; OPPS HEALTH FACTOR NOT FOUND
	S ZJ=$O(^AUPNVHF("AA",DFN,ZG,""),-1) ;DATE
	S ZK=$O(^AUPNVHF("AA",DFN,ZG,ZJ,"")) ;IEN
	Q ZK
	;
HFCAT(RTN,DFN,C0QHFCAT)	; C0QFHCAT IS A HEALTH FACTOR CATEGORY
	; RTN IS PASSED BY REFERENCE AND RETURNS AN ARRAY OF HEALTH FACTORS
	; THAT THE PATIENT HAS IN THE CATEGORY. RETURNS NULL IF NONE
	; FORMAT RNT(HEALTH FACTOR IEN,HEALTH FACTOR NAME)=""
	N ZI
	S ZI=$O(^AUTTHF("B",C0QHFCAT,"")) ; HEALTH FACTOR CATEGORY IEN
	N C0QN,C0QO,C0QR
	S C0QO=$NA(^AUPNVHF("AA",DFN)) ; ALL THE PATIENT'S HEALTH FACTORS
	S C0QN=$NA(^AUTTHF("AC",ZI)) ; ALL HEALTH FACTORS IN THIS CATEGORY
	D UNITY^C0QSET("C0QR",C0QN,C0QO) ; THE DIFFERENCE
	K RTN ; CLEAR THE RETURN ARRAY
	N ZJ S ZJ=""
	F  S ZJ=$O(C0QR(1,ZJ)) Q:ZJ=""  D  ; FOR ALL HEALTH FACTOR MATCHES
	. S RTN(ZJ,$P(^AUTTHF(ZJ,0),"^",1))=""
	Q
	;
HFLCAT(RTN,C0QHFCAT)	; RETURNS A LIST OF PATIENTS WHO HAVE A HEALTH FACTOR
	; IN THE C0QHFCAT CATEGORY. RTN IS PASSED BY REFERENCE
	; THIS WILL BE HARD TO DO WITHOUT SOME NEW INDEXES
	Q
	;
HFLPAT(RTN,C0QHF)	; RETURNS A LIST OF PATIENTS WHO HAVE A SPECIFIC HEALTH
	; FACTOR. RTN IS PASSED BY REFERENCE
	; THIS ONE ALSO WILL BE HARD TO DO QUICKLY WITHOUT A NEW INDEX
	Q
	;
INDEXES(DDREF)	;PRINT THE INDEXES ACTUALLY ON FILE DDREF
	; IE D INDEXES($NA(^DD))
	N ZI
	S ZI="A"
	F  S ZI=$O(@DDREF@(ZI)) Q:ZI=""  W !,ZI
	Q
	;