An SAP Consultant: ABAP - Sending mail with Excel attachment

REPORT  ztest_notepad.
*--------------------------------------------------------*
"  Data retrieval related declarations
*--------------------------------------------------------*
TYPES:
      BEGIN OF t_emp_dat,
        pernr TYPE pa0001-pernr,
        persg TYPE pa0001-persg,
        persk TYPE pa0001-persk,
        plans TYPE pa0001-plans,
        stell TYPE pa0001-stell,
      END OF t_emp_dat.
DATA:
      w_emp_data TYPE t_emp_dat.
DATA:
      i_emp_data TYPE STANDARD TABLE OF t_emp_dat.
*--------------------------------------------------------*
"  Mail related declarations
*--------------------------------------------------------*
"Variables
DATA :
    g_sent_to_all   TYPE sonv-flag,
    g_tab_lines     TYPE i.
"Types
TYPES:
    t_document_data  TYPE  sodocchgi1,
    t_packing_list   TYPE  sopcklsti1,
    t_attachment     TYPE  solisti1,
    t_body_msg       TYPE  solisti1,
    t_receivers      TYPE  somlreci1.
"Workareas
DATA :
    w_document_data  TYPE  t_document_data,
    w_packing_list   TYPE  t_packing_list,
    w_attachment     TYPE  t_attachment,
    w_body_msg       TYPE  t_body_msg,
    w_receivers      TYPE  t_receivers.
"Internal Tables
DATA :
    i_document_data  TYPE STANDARD TABLE OF t_document_data,
    i_packing_list   TYPE STANDARD TABLE OF t_packing_list,
    i_attachment     TYPE STANDARD TABLE OF t_attachment,
    i_body_msg       TYPE STANDARD TABLE OF t_body_msg,
    i_receivers      TYPE STANDARD TABLE OF t_receivers.

*--------------------------------------------------------*
"Start-of-selection.
*--------------------------------------------------------*
START-OF-SELECTION.
  PERFORM get_data.
  PERFORM build_xls_data_table.

*--------------------------------------------------------*
  "End-of-selection.
*--------------------------------------------------------*
END-OF-SELECTION.
  PERFORM send_mail.

*&--------------------------------------------------------*
  "Form  get_data from PA0001
*&--------------------------------------------------------*
FORM get_data.

  SELECT pernr
  persg
  persk
  plans
  stell
  FROM pa0001
  INTO CORRESPONDING FIELDS OF TABLE i_emp_data
  UP TO 4 ROWS.

ENDFORM.                    " get_data
*&---------------------------------------------------------*
"Form  build_xls_data_table
*&---------------------------------------------------------*
FORM build_xls_data_table.
  "If you have Unicode check active in program attributes then
  "you will need to declare constants as follows.
  CLASS cl_abap_char_utilities DEFINITION LOAD.
  CONSTANTS:
  con_tab  TYPE c VALUE cl_abap_char_utilities=>horizontal_tab,
  con_cret TYPE c VALUE cl_abap_char_utilities=>cr_lf.

  CONCATENATE 'PERNR' 'PERSG' 'PERSK' 'PLANS' 'STELL'
  INTO  w_attachment
  SEPARATED BY  con_tab.

  CONCATENATE con_cret
  w_attachment
  INTO w_attachment.

  APPEND w_attachment TO i_attachment.
  CLEAR  w_attachment.

  LOOP AT i_emp_data INTO w_emp_data.

    CONCATENATE w_emp_data-pernr
    w_emp_data-persg
    w_emp_data-persk
    w_emp_data-plans
    w_emp_data-stell
    INTO w_attachment
    SEPARATED BY con_tab.

    CONCATENATE con_cret w_attachment
    INTO w_attachment.

    APPEND w_attachment TO i_attachment.
    CLEAR  w_attachment.
  ENDLOOP.

ENDFORM.                    "build_xls_data_table
*&----------------------------------------------------------*
"Form  send_mail
"---------------
"PACKING LIST
"This table requires information about how the data in the
"tables OBJECT_HEADER, CONTENTS_BIN and CONTENTS_TXT are to
"be distributed to the documents and its attachments.The first
"row is for the document, the following rows are each for one
"attachment.
*&-----------------------------------------------------------*
FORM send_mail .

  "Subject of the mail.
  w_document_data-obj_name  = 'MAIL_TO_HEAD'.
  w_document_data-obj_descr = 'Regarding Mail Program by SAP ABAP'.

  "Body of the mail
  PERFORM build_body_of_mail
  USING:space,
  'Hi,',
  'I am fine. How are you? How are you doing ? ',
  'This program has been created to send simple mail',
  'with Subject,Body with Address of the sender. ',
  'Regards,',
  'Blog Admin,',
  'SAP HR Technical Consultant.'.

  "Write Packing List for Body
  DESCRIBE TABLE i_body_msg LINES g_tab_lines.
  w_packing_list-head_start = 1.
  w_packing_list-head_num   = 0.
  w_packing_list-body_start = 1.
  w_packing_list-body_num   = g_tab_lines.
  w_packing_list-doc_type   = 'RAW'.
  APPEND w_packing_list TO i_packing_list.
  CLEAR  w_packing_list.

  "Write Packing List for Attachment
  w_packing_list-transf_bin = space.
  w_packing_list-head_start = 1.
  w_packing_list-head_num   = 1.
  w_packing_list-body_start = g_tab_lines + 1.
  DESCRIBE TABLE i_attachment LINES w_packing_list-body_num.
  w_packing_list-doc_type   = 'XXL'.
  w_packing_list-obj_descr  = 'Excell Attachment'.
  w_packing_list-obj_name   = 'XLS_ATTACHMENT'.
  w_packing_list-doc_size   = w_packing_list-body_num * 255.
  APPEND w_packing_list TO i_packing_list.
  CLEAR  w_packing_list.

  APPEND LINES OF i_attachment TO i_body_msg.
  "Fill the document data and get size of attachment
  w_document_data-obj_langu  = sy-langu.
  READ TABLE i_body_msg INTO w_body_msg INDEX g_tab_lines.
  w_document_data-doc_size = ( g_tab_lines - 1 ) * 255 + strlen( w_body_msg ).

  "Receivers List.
  w_receivers-rec_type   = 'U'.  "Internet address
  w_receivers-receiver   = 'test.program@gmail.com'.
  w_receivers-com_type   = 'INT'.
  w_receivers-notif_del  = 'X'.
  w_receivers-notif_ndel = 'X'.
  APPEND w_receivers TO i_receivers .
  CLEAR:w_receivers.

  "Function module to send mail to Recipients
  CALL FUNCTION 'SO_NEW_DOCUMENT_ATT_SEND_API1'
    EXPORTING
      document_data              = w_document_data
      put_in_outbox              = 'X'
      commit_work                = 'X'
    IMPORTING
      sent_to_all                = g_sent_to_all
    TABLES
      packing_list               = i_packing_list
      contents_txt               = i_body_msg
      receivers                  = i_receivers
    EXCEPTIONS
      too_many_receivers         = 1
      document_not_sent          = 2
      document_type_not_exist    = 3
      operation_no_authorization = 4
      parameter_error            = 5
      x_error                    = 6
      enqueue_error              = 7
      OTHERS                     = 8.

  IF sy-subrc = 0 .
    MESSAGE i303(me) WITH 'Mail has been Successfully Sent.'.
  ELSE.
    WAIT UP TO 2 SECONDS.
    "This program starts the SAPconnect send process.
    SUBMIT rsconn01 WITH mode = 'INT'
    WITH output = 'X'
    AND RETURN.
  ENDIF.

ENDFORM.                    " send_mail
*&-----------------------------------------------------------*
"      Form  build_body_of_mail
*&-----------------------------------------------------------*
FORM build_body_of_mail  USING l_message.

  w_body_msg = l_message.
  APPEND w_body_msg TO i_body_msg.
  CLEAR  w_body_msg.

ENDFORM.                    " build_body_of_mail