/**
  @file mm_deletestp.sas
  @brief Deletes a Stored Process using path as reference
  @details Will only delete the metadata, not any physical files associated.

  Usage:

    %mm_deletestp(target=/some/meta/path/myStoredProcess)

  <h4> SAS Macros </h4>

  @param target= full path to the STP being deleted

  @version 9.4
  @author Allan Bowe

**/

%macro mm_deletestp(
     target=
)/*/STORE SOURCE*/;

/**
 * Check STP does exist
 */
%local cmtype;
data _null_;
  length type uri $256;
  rc=metadata_pathobj("","&target",'StoredProcess',type,uri);
  call symputx('cmtype',type,'l');
  call symputx('stpuri',uri,'l');
run;
%if &cmtype ne ClassifierMap %then %do;
  %put NOTE: No Stored Process found at &target;
  %return;
%end;

filename __in temp lrecl=10000;
filename __out temp lrecl=10000;
data _null_ ;
   file __in ;
   put "<DeleteMetadata><Metadata><ClassifierMap Id='&stpuri'/>";
   put "</Metadata><NS>SAS</NS><Flags>268436480</Flags><Options/>";
   put "</DeleteMetadata>";
run ;
proc metadata in=__in out=__out verbose;run;

/* list the result */
data _null_;infile __out; input; list; run;

filename __in clear;
filename __out clear;

/**
 * Check deletion
 */
%local isgone;
data _null_;
  length type uri $256;
  call missing (of _all_);
  rc=metadata_pathobj("","&target",'Note',type,uri);
  call symputx('isgone',type,'l');
run;
%if &isgone = ClassifierMap %then %do;
  %put %str(ERR)OR: STP not deleted from &target;
  %let syscc=4;
  %return;
%end;

%mend;