*&---------------------------------------------------------------------*
*&  Include           ZABAPGIT_OBJECT_WAPA
*&---------------------------------------------------------------------*

*----------------------------------------------------------------------*
*       CLASS lcl_object_wapa DEFINITION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS lcl_object_wapa DEFINITION INHERITING FROM lcl_objects_super FINAL.

  PUBLIC SECTION.
    INTERFACES lif_object.
    ALIASES mo_files FOR lif_object~mo_files.

  PRIVATE SECTION.
    TYPES: BEGIN OF ty_page,
             attributes TYPE o2pagattr,
           END OF ty_page.

    TYPES: ty_pages_tt TYPE STANDARD TABLE OF ty_page WITH DEFAULT KEY.

    METHODS:
      get_page_content
        IMPORTING io_page           TYPE REF TO cl_o2_api_pages
        RETURNING VALUE(rv_content) TYPE xstring,
      read_page
        IMPORTING is_page        TYPE o2pagattr
        RETURNING VALUE(rs_page) TYPE ty_page
        RAISING   lcx_exception.

ENDCLASS.                    "lcl_object_TRAN DEFINITION

*----------------------------------------------------------------------*
*       CLASS lcl_object_wapa IMPLEMENTATION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS lcl_object_wapa IMPLEMENTATION.

  METHOD lif_object~has_changed_since.
    rv_changed = abap_true.
  ENDMETHOD.  "lif_object~has_changed_since

  METHOD lif_object~changed_by.

    DATA: lv_name   TYPE o2applname,
          lt_pages  TYPE STANDARD TABLE OF o2pagdir WITH DEFAULT KEY,
          ls_latest LIKE LINE OF lt_pages.


    lv_name = ms_item-obj_name.

    SELECT * FROM o2pagdir INTO TABLE lt_pages WHERE applname = lv_name.
    IF sy-subrc <> 0.
      rv_user = c_user_unknown.
    ENDIF.

    SORT lt_pages BY changedon DESCENDING changetime DESCENDING.

    READ TABLE lt_pages INDEX 1 INTO ls_latest.
    ASSERT sy-subrc = 0.

    rv_user = ls_latest-changedby.

  ENDMETHOD.

  METHOD lif_object~get_metadata.
    rs_metadata = get_metadata( ).
  ENDMETHOD.                    "lif_object~get_metadata

  METHOD lif_object~exists.

    DATA: lv_name TYPE o2applname.


    lv_name = ms_item-obj_name.

    cl_o2_api_application=>load(
      EXPORTING
        p_application_name  = lv_name
      EXCEPTIONS
        object_not_existing = 1
        permission_failure  = 2
        error_occured       = 3 ).
    rv_bool = boolc( sy-subrc = 0 ).

  ENDMETHOD.                    "lif_object~exists

  METHOD lif_object~jump.
    lcx_exception=>raise( 'todo, jump, WAPA' ).
  ENDMETHOD.                    "jump

  METHOD lif_object~delete.

* todo, not supported yet
    ASSERT 0 = 1.

  ENDMETHOD.                    "delete

  METHOD lif_object~deserialize.

* todo, not supported yet
    ASSERT 0 = 1.

  ENDMETHOD.                    "deserialize

  METHOD lif_object~serialize.

    DATA: lv_name       TYPE o2applname,
          ls_attributes TYPE o2applattr,
          lt_navgraph   TYPE o2applgrap_table,
          lt_pages      TYPE o2pagelist,
          lt_pages_info TYPE ty_pages_tt,
          lo_bsp        TYPE REF TO cl_o2_api_application.

    FIELD-SYMBOLS: <ls_page> LIKE LINE OF lt_pages.


    lv_name = ms_item-obj_name.

    cl_o2_api_application=>load(
      EXPORTING
        p_application_name = lv_name
      IMPORTING
        p_application = lo_bsp
      EXCEPTIONS
        object_not_existing = 1
        permission_failure  = 2
        error_occured       = 3 ).
    IF sy-subrc <> 0.
      RETURN.
    ENDIF.

    lo_bsp->get_attributes(
      EXPORTING
        p_version    = 'A'
      IMPORTING
        p_attributes = ls_attributes ).

    CLEAR: ls_attributes-author,
           ls_attributes-createdon,
           ls_attributes-changedby,
           ls_attributes-changedon,
           ls_attributes-devclass.

    io_xml->add( iv_name = 'ATTRIBUTES'
                 ig_data = ls_attributes ).

    lo_bsp->get_navgraph(
      EXPORTING
        p_version  = 'A'
      IMPORTING
        p_navgraph = lt_navgraph ).

    io_xml->add( iv_name = 'NAVGRAPH'
                 ig_data = lt_navgraph ).

    cl_o2_api_pages=>get_all_pages(
      EXPORTING
        p_applname = lv_name
        p_version  = 'A'
      IMPORTING
        p_pages    = lt_pages ).

    LOOP AT lt_pages ASSIGNING <ls_page>.
      APPEND read_page( <ls_page> ) TO lt_pages_info.
    ENDLOOP.

    io_xml->add( iv_name = 'PAGES'
                 ig_data = lt_pages_info ).

  ENDMETHOD.                    "serialize

  METHOD read_page.

    DATA: lv_name    TYPE o2applname,
          ls_pagekey TYPE o2pagkey,
          lv_content TYPE xstring,
          lv_extra   TYPE string,
          lv_ext     TYPE string,
          lo_page    TYPE REF TO cl_o2_api_pages.


    lv_name = ms_item-obj_name.

    ls_pagekey-applname = lv_name.
    ls_pagekey-pagekey = is_page-pagekey.

    cl_o2_api_pages=>load(
      EXPORTING
        p_pagekey = ls_pagekey
      IMPORTING
        p_page    = lo_page ).
* todo, add moar page data into rs_page:
* event handlers
* page parameters
* type definitions

    lv_content = get_page_content( lo_page ).
    SPLIT is_page-pagename AT '.' INTO lv_extra lv_ext.
    REPLACE ALL OCCURRENCES OF '/' IN lv_extra WITH '_-'.
    mo_files->add_raw(
      iv_extra = lv_extra
      iv_ext   = lv_ext
      iv_data  = lv_content ).

    rs_page-attributes = is_page.

    CLEAR: rs_page-attributes-author,
           rs_page-attributes-createdon,
           rs_page-attributes-changedby,
           rs_page-attributes-changedon,
           rs_page-attributes-implclass,
           rs_page-attributes-gendate,
           rs_page-attributes-gentime.

  ENDMETHOD.

  METHOD get_page_content.

    DATA: lt_content TYPE o2pageline_table,
          lv_string  TYPE string.

    io_page->get_page(
      IMPORTING
        p_content = lt_content ).

    CONCATENATE LINES OF lt_content INTO lv_string SEPARATED BY gc_newline RESPECTING BLANKS.

    rv_content = lcl_convert=>string_to_xstring_utf8( lv_string ).

  ENDMETHOD.

  METHOD lif_object~compare_to_remote_version.
    CREATE OBJECT ro_comparison_result TYPE lcl_null_comparison_result.
  ENDMETHOD.

ENDCLASS.                    "lcl_object_tran IMPLEMENTATION