Code snippet to be copy-pasted in the DEFINE method of Extended Model Provider class.

super->DEFINE( ).

DATA:
lo_entity   type REF TO /IWBEP/IF_MGW_ODATA_ENTITY_TYP,
lo_property type REF TO /IWBEP/IF_MGW_ODATA_PROPERTY.

lo_entity = model->GET_ENTITY_TYPE( IV_ENTITY_NAME = ‘EmployeePhoto’ ).

IF lo_entity is BOUND.

  lo_property = lo_entity->GET_PROPERTY( IV_PROPERTY_NAME = ‘ContentType’ ).

  lo_property->SET_AS_CONTENT_TYPE( ).
ENDIF.

Code snippet to be copy-pasted in the

/IWBEP/IF_MGW_APPL_SRV_RUNTIME~GET_STREAM method of the Extended Data Provider class.

DATA: ls_stream    TYPE         ty_s_media_resource
      ,lo_api    TYPE REF TO  if_mr_api
      ,lv_entity_name TYPE  /IWBEP/MGW_TECH_NAME
      ,er_entity type REF TO DATA
      ,lr_entity TYPE REF TO DATA
      ,employeephotoset_get_entity TYPE ZCL_ZMEDIALNK_SB_MPC=>TS_EMPLOYEEPHOTO
      ,ls_content type table of TBL1024 initial size 0
      ,ls_xstring type xstring
      ,lt_messg type table of BAPIRET2 initial SIZE 0
      ,lv_pernr(8) TYPE n
      ,t_photo type table of TBL1024
      ,l_photo type XSTRING
      ,l_line type string
      ,l_photo1 type string
      ,ls_ret type BAPIRET2
      ,ls_photo type TBL1024
      ,t_msg type table of BAPIRET2.

lv_entity_name = io_tech_request_context->GET_ENTITY_TYPE_NAME( ).

CASE lv_entity_name.
    

      WHEN ‘EmployeeData’.
      WHEN ‘EmployeePhoto’.
     

     employeephotoset_get_entity(
           EXPORTING iv_entity_name     = iv_entity_name
                     iv_entity_set_name = iv_entity_set_name
                     iv_source_name     = iv_source_name
                     it_key_tab         = it_key_tab
                     it_navigation_path = it_navigation_path
                     io_tech_request_context = io_tech_request_context
           IMPORTING er_entity          = employeephotoset_get_entity
                                 ).
     
           IF employeephotoset_get_entity IS NOT INITIAL.
           *     Send specific entity data to the caller interface
           copy_data_to_ref(
                     EXPORTING
                     is_data = employeephotoset_get_entity
                     CHANGING
                     cr_data = er_entity
                          ).
           ELSE.
           *         In case of initial values – unbind the entity reference
           er_entity = lr_entity.
           ENDIF.

           lv_pernr = employeephotoset_get_entity–EmpID.

           CALL FUNCTION ‘PAD_PHOTO_UPDATE_GET_DETAIL’
           EXPORTING
                IV_EMPLOYEE_NUMBER         = lv_pernr
      
           TABLES
                T_PHOTO_ARCHIVE_OUT        = t_photo
                T_MESSAGES_OUT             = t_msg
                .

           LOOP AT t_photo into ls_photo.
                l_line = ls_photo–line.
                concatenate l_photo1 l_line into l_photo1.
           ENDLOOP.

               ls_stream–value = l_photo = l_photo1.
               ls_stream–mime_type = ‘image/jpeg’.

               copy_data_to_ref( EXPORTING is_data = ls_stream
                                 CHANGING  cr_data = er_stream ).

      WHEN OTHERS.

ENDCASE.