Program To Generate IDoc

*&---------------------------------------------------------------------*
*& Report  ZZ_Program_To_Create_Idoc                                         
*&---------------------------------------------------------------------*

report  zz_program_to_create_idoc                     .
tables: ekko,ekpo.

selection-screen skip 3.
selection-screen begin of block b1 with frame title titl.
selection-screen skip.
select-options s_ebeln for ekko-ebeln.
selection-screen skip.
selection-screen end of block b1.


data: header_segment_name like edidd-segnam value 'Z1EKKO',
      item_segment_name like edidd-segnam value 'Z1EKPO',
      idoc_name like edidc-idoctp value 'Z19838IDOC1'.

data: header_segment_data like z1ekko,
      item_segment_data like z1ekpo.

data: control_record like edidc.

data: messagetyp like edmsg-msgtyp value 'ZZ9838MESG1'.

data: i_communication like edidc occurs 0 with header line,
      i_data like edidd occurs 0 with header line.

data: begin of i_ekko occurs 0,
      ebeln like ekko-ebeln,
      aedat like ekko-aedat,
      bukrs like ekko-bukrs,
      bsart like ekko-bsart,
      lifnr like ekko-lifnr,
      end of i_ekko.

data: begin of i_ekpo occurs 0,
      ebelp like ekpo-ebelp,
      matnr like ekpo-matnr,
      menge like ekpo-menge,
      meins like ekpo-meins,
      netpr like ekpo-netpr,
      end of i_ekpo.

start-of-selection.

select  ebeln aedat bukrs bsart lifnr from ekko
          into table i_ekko where ebeln in s_ebeln.

select ebelp
       matnr
       menge
       meins
       netpr
       from ekpo
       into table i_ekpo
       where ebeln in s_ebeln.


control_record-mestyp = messagetyp.
control_record-rcvprt = 'LS'.
control_record-idoctp = idoc_name.
control_record-rcvprn = '0MART800'.

loop at i_ekko.
header_segment_data-ebeln = i_ekko-ebeln.
header_segment_data-aedat = i_ekko-aedat.
header_segment_data-bukrs = i_ekko-bukrs.
header_segment_data-bsart = i_ekko-bsart.
header_segment_data-lifnr = i_ekko-lifnr.
i_data-segnam = header_segment_name.
i_data-sdata = header_segment_data.
append i_data.

select ebelp
       matnr
       menge
       meins
       netpr
       from ekpo
       into table i_ekpo
       where ebeln = i_ekko-ebeln.

loop at i_ekpo.
item_segment_data-ebelp = i_ekpo-ebelp.
item_segment_data-matnr = i_ekpo-matnr.
item_segment_data-menge = i_ekpo-menge.
item_segment_data-meins = i_ekpo-meins.
item_segment_data-netpr = i_ekpo-netpr.
i_data-segnam = item_segment_name.
i_data-sdata = item_segment_data.
append i_data.
endloop.
clear i_ekpo.
refresh i_ekpo.
endloop.


call function 'MASTER_IDOC_DISTRIBUTE'
  exporting
    master_idoc_control                  = control_record
*   OBJ_TYPE                             = ''
*   CHNUM                                = ''
  tables
    communication_idoc_control           = i_communication
    master_idoc_data                     = i_data
 exceptions
   error_in_idoc_control                = 1
   error_writing_idoc_status            = 2
   error_in_idoc_data                   = 3
   sending_logical_system_unknown       = 4
   others                               = 5
          .
if sy-subrc <> 0.
 message id sy-msgid type sy-msgty number sy-msgno
         with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
else.

  loop at i_communication.
    write: 'IDOC GENERATED', i_communication-docnum.
  endloop.
  commit work.

endif.

initialization.
titl = 'ENTER THE PURCHASE ORDER NUMBER'.