VAQFIL17 ;ALB/JRP - MESSAGE FILING;14-MAY-93
 ;;1.5;PATIENT DATA EXCHANGE;;NOV 17, 1993
DISPLAY(MESSNUM,PARSARR,TRANPTR) ;FILE ALL DISPLAY BLOCKS
 ;INPUT  : MESSNUM - Message number in transmission (not XMZ)
 ;                   (defaults to 1)
 ;         PARSARR - Parsing array (full global reference)
 ;         TRANPTR - Pointer to VAQ - TRANSACTION file
 ;         (As defined by MailMan)
 ;         XMFROM, XMREC,XMZ
 ;OUTPUT : 0 - Success
 ;         -1^Error_Text - Error
 ;NOTES  : It is the responsibility of the calling program to correct
 ;         the transaction being updated if an error occurs.
 ;       : If the displayable segment can not be added, it will delete
 ;         the entry that is created for it in VAQ - DATA file.
 ;
 ;CHECK INPUT
 S:($G(MESSNUM)="") MESSNUM=1
 Q:($G(PARSARR)="") "-1^Did not pass reference to parsing array"
 Q:('$D(@PARSARR@(MESSNUM))) "-1^Did not pass valid message number"
 Q:('$D(@PARSARR@(MESSNUM,"DISPLAY"))) 0
 S TRANPTR=+$G(TRANPTR)
 Q:(('TRANPTR)!('$D(^VAT(394.61,TRANPTR)))) "-1^Did not pass a valid transaction"
 ;DECLARE VARIABLES
 N BLOCKSEQ,TMP,TYPE,LINE,OFFSET,DATAPTR,SEGABB
 N DECRYPT,KEY1,KEY2,STRING,DECSTR,DECMTHD,ENCRYPT,DSPLINES
 ;GET MESSAGE TYPE
 S TMP=$$STATYPE^VAQFIL11(MESSNUM,PARSARR)
 Q:($P(TMP,"^",1)="-1") "-1^Could not determine message type"
 S TYPE=$P(TMP,"^",2)
 ;ACK & RETRANSMIT & REQUEST DON'T HAVE DISPLAY BLOCKS
 Q:((TYPE="ACK")!(TYPE="RET")!(TYPE="REQ")) "-1^Message type does not require display block"
 ;GET DECRYPTION METHOD & KEYS
 S DECMTHD=$$DECMTHD^VAQFIL11(MESSNUM,PARSARR,2)
 S KEY1=$$KEY^VAQFIL13(MESSNUM,PARSARR,1)
 S KEY2=$$KEY^VAQFIL13(MESSNUM,PARSARR,0)
 ;LOOP THROUGH EACH DISPLAY BLOCK
 S BLOCKSEQ=""
 F  S BLOCKSEQ=$O(@PARSARR@(MESSNUM,"DISPLAY",BLOCKSEQ)) Q:(BLOCKSEQ="")  D
 .;MAKE SURE IT'S A DISPLAY BLOCK
 .S TMP=$G(@PARSARR@(MESSNUM,"DISPLAY",BLOCKSEQ,1))
 .S:(TMP=" ") TMP=""
 .Q:((TMP="")!(TMP'="$DISPLAY"))
 .;GET SEGMENT ABBREVIATION
 .S SEGABB=$G(@PARSARR@(MESSNUM,"DISPLAY",BLOCKSEQ,2))
 .S:(SEGABB=" ") SEGABB=""
 .Q:((SEGABB="")!(SEGABB="$$DISPLAY"))
 .S TMP=$G(@PARSARR@(MESSNUM,"DISPLAY",BLOCKSEQ,3))
 .S:(TMP=" ") TMP=""
 .Q:((TMP="")!(TMP="$$DISPLAY"))
 .S ENCRYPT=+$P(TMP,"^",1)
 .S DSPLINES=+$P(TMP,"^",2)
 .;SET UP FOR DECRYPTION
 .Q:((ENCRYPT)&(DECMTHD=""))
 .S:(ENCRYPT) DECRYPT=("S DECSTR="_DECMTHD)
 .S:('ENCRYPT) DECRYPT="S DECSTR=STRING"
 .Q:((ENCRYPT)&((KEY1="")!(KEY2="")))
 .;CHECK NUMBER OF LINES IN DISPLAY
 .Q:('DSPLINES)
 .S DSPLINES=DSPLINES+1
 .;MAKE STUB ENTRY IN DATA FILE
 .S DATAPTR=$$STUBDATA^VAQFILE1(SEGABB,TRANPTR)
 .Q:(DATAPTR<0)
 .;PUT BLANK LINE INTO DISPLAY (SETS ZERO NODE)
 .S TMP=$$FILEINFO^VAQFILE(394.62,DATAPTR,50," ")
 .I (TMP) S TMP=$$DELDATA^VAQFILE1(DATAPTR) Q
 .;STORE SEGMENT
 .S LINE=1
 .S OFFSET=3
 .S TMP=""
 .F  S OFFSET=$O(@PARSARR@(MESSNUM,"DISPLAY",BLOCKSEQ,OFFSET)) Q:((OFFSET="")!(LINE=DSPLINES))  D
 ..S STRING=$G(@PARSARR@(MESSNUM,"DISPLAY",BLOCKSEQ,OFFSET))
 ..S:(STRING=" ") STRING=""
 ..X DECRYPT
 ..S TMP=DECSTR
 ..S ^VAT(394.62,DATAPTR,"DSP",LINE,0)=TMP
 ..S LINE=LINE+1
 .I (OFFSET="") S TMP=$$DELDATA^VAQFILE1(DATAPTR) Q
 .S TMP=$G(@PARSARR@(MESSNUM,"DISPLAY",BLOCKSEQ,OFFSET))
 .I (TMP'="$$DISPLAY") S TMP=$$DELDATA^VAQFILE1(DATAPTR) Q
 .;UPDATE ZERO NODE
 .S LINE=LINE-1
 .S TMP=$G(^VAT(394.62,DATAPTR,"DSP",0))
 .S $P(TMP,"^",3)=LINE
 .S $P(TMP,"^",4)=LINE
 .S ^VAT(394.62,DATAPTR,"DSP",0)=TMP
 Q 0