Sending multiple attachment in user decision step of workflow
By Lokesh Tripathi, Infosys from Link
Business Requirement
This document describes how to send multiple attachments in the user decision step of the workflow.
User can see multiple attachments and based on that take the necessary required decision.
This method would be helpful in business processes where user wants to introduce approval step before processing or accepting any finance report or other document.
Functional Specification
User will execute the custom report/transaction that will trigger the workflow (we can associate starting event also to this workflow).
Workflow will send mail having multiple attachments to SAP Inbox as a user decision.
Based on user decision rest logic would happen.
Workflow Flow Diagram
Technical Specification
For adding attachments in the user decision steps method EVENT_RAISED of interface IF_SWF_IFS_WORKITEM_EXIT needs to be implemented and it is used as a Function Exit in the user decision step.
Go to SE24, implement method EVENT_RAISED of interface IF_SWF_IFS_WORKITEM_EXIT
ZTEST_WFATTACH is created for the same.
In this method code for inserting attachments needs to be implemented (Please use below code for the same)
First check whether workflow container already have any attachments or not to avoid any duplications.
* Fetch the workflow work item Id
CALL METHOD IM_WORKITEM_CONTEXT->GET_WORKITEM_ID
RECEIVING
RE_WORKITEM = LV_ID.
* Fetch Container
CALL METHOD IM_WORKITEM_CONTEXT->GET_WI_CONTAINER
RECEIVING
RE_CONTAINER = LV_CONTAINER.
* Read attachment to confirm that there is no duplication
CLEAR LV_OBJ_RECORD.
CALL METHOD LV_CONTAINER->GET
EXPORTING
NAME = '_ATTACH_OBJECTS'
IMPORTING
VALUE = LV_ATTACH.
IF LV_ATTACH IS INITIAL.
If there are no prior attachments then identify the folder id based on sy-user
CALL FUNCTION 'SO_FOLDER_ROOT_ID_GET'
EXPORTING
OWNER = SY-UNAME
REGION = 'B'
IMPORTING
FOLDER_ID = LV_FOLDER_ID.
In this scenario we are converting spool output to PDF and attaching the same PDF in the user decision step
Give spool number in LV_SPOOL field
CALL FUNCTION 'CONVERT_ABAPSPOOLJOB_2_PDF'
EXPORTING
SRC_SPOOLID = LV_SPOOL
NO_DIALOG = ''
PDF_DESTINATION = 'X'
IMPORTING
PDF_BYTECOUNT = LA_BYTE_COUNT
TABLES
PDF = GT_PDF
EXCEPTIONS
ERR_NO_ABAP_SPOOLJOB = 1
ERR_NO_SPOOLJOB = 2
ERR_NO_PERMISSION = 3
ERR_CONV_NOT_POSSIBLE = 4
ERR_BAD_DESTDEVICE = 5
USER_CANCELLED = 6
ERR_SPOOLERROR = 7
ERR_TEMSEERROR = 8
ERR_BTCJOB_OPEN_FAILED = 9
ERR_BTCJOB_SUBMIT_FAILED = 10
ERR_BTCJOB_CLOSE_FAILED = 11
OTHERS = 12.
LOOP AT GT_PDF INTO LWA_PDFLINE.
ASSIGN LWA_PDFLINE TO <L_XLINE> CASTING.
CONCATENATE PDF_XSTRING <L_XLINE>
INTO PDF_XSTRING IN BYTE MODE.
ENDLOOP.
* Create and set document
IT_SOLIX_TAB1 = CL_DOCUMENT_BCS=>XSTRING_TO_SOLIX (PDF_XSTRING).
Creating First attachment
LV_DATA-OBJ_NAME = 'Test Sending Attachments'.
LV_DATA-OBJ_DESCR = 'Attachment 1'.
LV_DATA-OBJ_LANGU = SY-LANGU.
LV_DATA-SENSITIVTY = 'P'.
LV_DATA-DOC_SIZE = LA_BYTE_COUNT.
CALL FUNCTION 'SO_DOCUMENT_INSERT_API1'
EXPORTING
FOLDER_ID = LV_FOLDER_ID
DOCUMENT_DATA = LV_DATA
DOCUMENT_TYPE = 'PDF'
IMPORTING
DOCUMENT_INFO = WA_DOCUMENT_INFO
TABLES
CONTENTS_HEX = IT_SOLIX_TAB1
EXCEPTIONS
FOLDER_NOT_EXIST = 1
DOCUMENT_TYPE_NOT_EXIST = 2
OPERATION_NO_AUTHORIZATION = 3
PARAMETER_ERROR = 4
X_ERROR = 5
ENQUEUE_ERROR = 6
OTHERS = 7.
* Populate object type and object key for create an instance
LV_OBJTYPE = 'SOFM'.
LV_OBJKEY = WA_DOCUMENT_INFO-DOC_ID.
Creating SOFM object
CALL FUNCTION 'SWO_CREATE'
EXPORTING
OBJTYPE = LV_OBJTYPE
OBJKEY = LV_OBJKEY
IMPORTING
OBJECT = LV_SOFM
RETURN = LV_RETURN
EXCEPTIONS
NO_REMOTE_OBJECTS = 1
OTHERS = 2.
* Prepare for attaching the object to container
LV_OBJJECT-HEADER = 'OBJH'.
LV_OBJECT-TYPE = 'SWO'.
LV_OBJECT-HANDLE = LV_SOFM.
APPEND LV_OBJECT to TB_OBJ.
Similarly prepare other attachments and append their details to tb_obj internal table.
Finally send the attachment details in the task container
CALL METHOD LV_TAKS_CONTAINER->SET
EXPORTING
NAME = '_ATTACH_OBJECTS'
VALUE = TB_OBJ[].
* Commit the changes
CALL METHOD IM_WORKITEM_CONTEXT->DO_COMMIT_WORK.
Now create the workflow in SWDD and in the user decision step give class ZTEST_WFATTACH as a program exit.
Program exit would get triggered whenever user step is executed by the user.
Binding of user decision step:
Execution:
Once workflow is created you can associate with any event or you can directly execute it to check the result.
After reviewing the document user can take the necessary decision.
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