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PUBLIC
INHERITING FROM zcl_abapgit_gui_component
FINAL
CREATE PUBLIC .
PUBLIC SECTION.
INTERFACES zif_abapgit_gui_event_handler.
INTERFACES zif_abapgit_gui_renderable.
INTERFACES zif_abapgit_gui_menu_provider.
INTERFACES zif_abapgit_html_table.
CLASS-METHODS create
RETURNING
VALUE(ri_page) TYPE REF TO zif_abapgit_gui_renderable
RAISING
zcx_abapgit_exception.
METHODS constructor
RAISING
zcx_abapgit_exception.
PROTECTED SECTION.
PRIVATE SECTION.
CONSTANTS:
BEGIN OF c_action,
delete TYPE string VALUE 'delete',
backup TYPE string VALUE 'backup',
restore TYPE string VALUE 'restore',
END OF c_action.
CONSTANTS c_css_url TYPE string VALUE 'css/page_db.css'.
CONSTANTS c_toc_filename TYPE string VALUE '#_Table_of_Content_#.txt'.
TYPES:
BEGIN OF ty_explanation,
value TYPE string,
extra TYPE string,
END OF ty_explanation.
DATA mt_methods TYPE zcl_abapgit_background=>ty_methods.
METHODS register_stylesheet
RAISING
zcx_abapgit_exception.
METHODS render_stats
IMPORTING
it_db_entries TYPE zif_abapgit_persistence=>ty_contents
RETURNING
VALUE(ri_html) TYPE REF TO zif_abapgit_html
RAISING
zcx_abapgit_exception.
METHODS render_table
IMPORTING
it_db_entries TYPE zif_abapgit_persistence=>ty_contents
RETURNING
VALUE(ri_html) TYPE REF TO zif_abapgit_html
RAISING
zcx_abapgit_exception.
METHODS do_backup_db
RAISING
zcx_abapgit_exception.
CLASS-METHODS do_delete_entry
IMPORTING
!is_key TYPE zif_abapgit_persistence=>ty_content
RAISING
zcx_abapgit_exception.
CLASS-METHODS do_restore_db
RAISING
zcx_abapgit_exception.
METHODS explain_content
IMPORTING
!is_data TYPE zif_abapgit_persistence=>ty_content
RETURNING
VALUE(rv_text) TYPE string
RAISING
zcx_abapgit_exception.
METHODS explain_content_repo
IMPORTING
!is_data TYPE zif_abapgit_persistence=>ty_content
RETURNING
VALUE(rs_expl) TYPE ty_explanation
RAISING
zcx_abapgit_exception.
METHODS explain_content_repo_cs
IMPORTING
!is_data TYPE zif_abapgit_persistence=>ty_content
RETURNING
VALUE(rs_expl) TYPE ty_explanation
RAISING
zcx_abapgit_exception.
METHODS explain_content_background
IMPORTING
!is_data TYPE zif_abapgit_persistence=>ty_content
RETURNING
VALUE(rs_expl) TYPE ty_explanation
RAISING
zcx_abapgit_exception.
ENDCLASS.
CLASS zcl_abapgit_gui_page_db IMPLEMENTATION.
METHOD constructor.
super->constructor( ).
register_stylesheet( ).
ENDMETHOD.
METHOD create.
DATA lo_component TYPE REF TO zcl_abapgit_gui_page_db.
CREATE OBJECT lo_component.
ri_page = zcl_abapgit_gui_page_hoc=>create(
iv_page_title = 'Database Utility'
iv_extra_css_url = c_css_url
ii_page_menu_provider = lo_component
ii_child_component = lo_component ).
ENDMETHOD.
METHOD do_backup_db.
DATA:
lt_data TYPE zif_abapgit_persistence=>ty_contents,
lv_text TYPE string,
lt_toc TYPE string_table,
lo_zip TYPE REF TO cl_abap_zip,
lv_zip TYPE xstring,
lv_path TYPE string,
lv_filename TYPE string,
li_fe_serv TYPE REF TO zif_abapgit_frontend_services.
FIELD-SYMBOLS:
<ls_data> LIKE LINE OF lt_data.
lt_data = zcl_abapgit_persistence_db=>get_instance( )->list( ).
lv_text = |Table of Content\n|.
INSERT lv_text INTO TABLE lt_toc.
lv_text = |================\n|.
INSERT lv_text INTO TABLE lt_toc.
lv_text = |\n|.
INSERT lv_text INTO TABLE lt_toc.
CREATE OBJECT lo_zip.
LOOP AT lt_data ASSIGNING <ls_data>.
IF <ls_data>-type = zcl_abapgit_persistence_db=>c_type_repo_csum.
CONCATENATE <ls_data>-type '_' <ls_data>-value '.txt' INTO lv_filename.
ELSE.
CONCATENATE <ls_data>-type '_' <ls_data>-value '.xml' INTO lv_filename.
ENDIF.
lo_zip->add(
name = lv_filename
content = zcl_abapgit_convert=>string_to_xstring_utf8( <ls_data>-data_str ) ).
lv_text = explain_content( <ls_data> ).
REPLACE '<strong>' IN lv_text WITH ''.
REPLACE '</strong>' IN lv_text WITH ''.
lv_text = |{ <ls_data>-type },{ <ls_data>-value },{ lv_text }\n|.
INSERT lv_text INTO TABLE lt_toc.
ENDLOOP.
lo_zip->add(
name = c_toc_filename
content = zcl_abapgit_convert=>string_to_xstring_utf8( concat_lines_of( lt_toc ) ) ).
lv_zip = lo_zip->save( ).
CONCATENATE 'abapGit_Backup_' sy-datlo '_' sy-timlo '.zip' INTO lv_filename.
li_fe_serv = zcl_abapgit_ui_factory=>get_frontend_services( ).
lv_path = li_fe_serv->show_file_save_dialog(
iv_title = 'abapGit Backup'
iv_extension = 'zip'
iv_default_filename = lv_filename ).
li_fe_serv->file_download(
iv_path = lv_path
iv_xstr = lv_zip ).
MESSAGE 'abapGit Backup successfully saved' TYPE 'S'.
ENDMETHOD.
METHOD do_delete_entry.
DATA lv_answer TYPE c LENGTH 1.
ASSERT is_key-type IS NOT INITIAL.
lv_answer = zcl_abapgit_ui_factory=>get_popups( )->popup_to_confirm(
iv_titlebar = 'Warning'
iv_text_question = |Are you sure you want to delete entry { is_key-type } { is_key-value }?|
iv_text_button_1 = 'Yes'
iv_icon_button_1 = 'ICON_DELETE'
iv_text_button_2 = 'No'
iv_icon_button_2 = 'ICON_CANCEL'
iv_default_button = '2'
iv_display_cancel_button = abap_false ).
IF lv_answer = '2'.
RAISE EXCEPTION TYPE zcx_abapgit_cancel.
ENDIF.
zcl_abapgit_persistence_db=>get_instance( )->delete(
iv_type = is_key-type
iv_value = is_key-value ).
" If deleting repo, also delete corresponding checksums
" Other way around is ok, since checksums are automatically recreated
IF is_key-type = zcl_abapgit_persistence_db=>c_type_repo.
zcl_abapgit_persistence_db=>get_instance( )->delete(
iv_type = zcl_abapgit_persistence_db=>c_type_repo_csum
iv_value = is_key-value ).
" Initialize repo list
zcl_abapgit_repo_srv=>get_instance( )->init( ).
" TODO: think how to remove this code,
" maybe implement subscription in persistence_db,
" so that repo_srv receive a notification on add/delete
ENDIF.
COMMIT WORK.
ENDMETHOD.
METHOD do_restore_db.
DATA:
lv_answer TYPE c LENGTH 1,
lo_zip TYPE REF TO cl_abap_zip,
lv_zip TYPE xstring,
lv_path TYPE string,
lv_filename TYPE string,
lv_data TYPE xstring,
ls_data TYPE zif_abapgit_persistence=>ty_content,
lt_data TYPE zif_abapgit_persistence=>ty_contents,
lt_data_old TYPE zif_abapgit_persistence=>ty_contents,
li_fe_serv TYPE REF TO zif_abapgit_frontend_services.
FIELD-SYMBOLS:
<ls_zipfile> LIKE LINE OF lo_zip->files.
li_fe_serv = zcl_abapgit_ui_factory=>get_frontend_services( ).
lv_path = li_fe_serv->show_file_open_dialog(
iv_title = 'Restore abapGit Backup'
iv_extension = 'zip'
iv_default_filename = 'abapGit_Backup_*.zip' ).
lv_zip = li_fe_serv->file_upload( lv_path ).
CREATE OBJECT lo_zip.
lo_zip->load(
EXPORTING
zip = lv_zip
EXCEPTIONS
zip_parse_error = 1
OTHERS = 2 ).
IF sy-subrc <> 0.
zcx_abapgit_exception=>raise( 'Error loading ZIP file' ).
ENDIF.
LOOP AT lo_zip->files ASSIGNING <ls_zipfile> WHERE name <> c_toc_filename.
CLEAR ls_data.
lv_filename = <ls_zipfile>-name.
REPLACE '.xml' IN lv_filename WITH ''.
REPLACE '.txt' IN lv_filename WITH ''.
IF lv_filename CP 'REPO_CS*'.
ls_data-type = lv_filename(7).
ls_data-value = lv_filename+8(*).
ELSE.
SPLIT lv_filename AT '_' INTO ls_data-type ls_data-value.
ENDIF.
" Validate DB key
TRY.
zcl_abapgit_persistence_db=>validate_entry_type( ls_data-type ).
CATCH zcx_abapgit_exception.
zcx_abapgit_exception=>raise( |Invalid DB entry type. This is not an abapGit Backup| ).
ENDTRY.
lo_zip->get(
EXPORTING
name = <ls_zipfile>-name
IMPORTING
content = lv_data
EXCEPTIONS
zip_index_error = 1
zip_decompression_error = 2
OTHERS = 3 ).
IF sy-subrc <> 0.
zcx_abapgit_exception=>raise( |Error getting file { <ls_zipfile>-name } from ZIP| ).
ENDIF.
ls_data-data_str = zcl_abapgit_convert=>xstring_to_string_utf8( lv_data ).
INSERT ls_data INTO TABLE lt_data.
ENDLOOP.
lv_answer = zcl_abapgit_ui_factory=>get_popups( )->popup_to_confirm(
iv_titlebar = 'Warning'
iv_text_question = 'All existing repositories and settings will be deleted and overwritten! Continue?'
iv_text_button_1 = 'Restore'
iv_icon_button_1 = 'ICON_IMPORT'
iv_text_button_2 = 'Cancel'
iv_icon_button_2 = 'ICON_CANCEL'
iv_default_button = '2'
iv_display_cancel_button = abap_false ).
IF lv_answer <> '1'.
RAISE EXCEPTION TYPE zcx_abapgit_cancel.
ENDIF.
lt_data_old = zcl_abapgit_persistence_db=>get_instance( )->list( ).
LOOP AT lt_data_old INTO ls_data.
zcl_abapgit_persistence_db=>get_instance( )->delete(
iv_type = ls_data-type
iv_value = ls_data-value ).
ENDLOOP.
COMMIT WORK AND WAIT.
LOOP AT lt_data INTO ls_data.
zcl_abapgit_persistence_db=>get_instance( )->add(
iv_type = ls_data-type
iv_value = ls_data-value
iv_data = ls_data-data_str ).
ENDLOOP.
COMMIT WORK AND WAIT.
MESSAGE 'abapGit Backup successfully restored' TYPE 'S'.
ENDMETHOD.
METHOD explain_content.
DATA lv_descr TYPE string.
DATA ls_explanation TYPE ty_explanation.
CASE is_data-type.
WHEN zcl_abapgit_persistence_db=>c_type_repo.
lv_descr = 'Repo Settings'.
ls_explanation = explain_content_repo( is_data ).
WHEN zcl_abapgit_persistence_db=>c_type_background.
lv_descr = 'Background Settings'.
ls_explanation = explain_content_background( is_data ).
WHEN zcl_abapgit_persistence_db=>c_type_user.
lv_descr = 'Personal Settings'.
ls_explanation-value = zcl_abapgit_user_record=>get_instance( is_data-value )->get_name( ).
WHEN zcl_abapgit_persistence_db=>c_type_settings.
lv_descr = 'Global Settings'.
WHEN zcl_abapgit_persistence_db=>c_type_packages.
lv_descr = 'Local Package Details'.
WHEN zcl_abapgit_persistence_db=>c_type_repo_csum.
lv_descr = 'Repo Checksums'.
ls_explanation = explain_content_repo_cs( is_data ).
WHEN OTHERS.
IF strlen( is_data-data_str ) >= 250.
ls_explanation-value = is_data-data_str(250).
ELSE.
ls_explanation-value = is_data-data_str.
ENDIF.
ls_explanation-value = escape(
val = ls_explanation-value
format = cl_abap_format=>e_html_attr ).
ls_explanation-value = |<pre>{ ls_explanation-value }</pre>|.
ENDCASE.
IF ls_explanation-value IS NOT INITIAL.
lv_descr = |{ lv_descr }: |.
ENDIF.
IF ls_explanation-extra IS NOT INITIAL.
ls_explanation-extra = | ({ ls_explanation-extra })|.
ENDIF.
rv_text = |{ lv_descr }<strong>{ ls_explanation-value }</strong>{ ls_explanation-extra }|.
IF strlen( rv_text ) >= 250.
rv_text = rv_text(250) && '...'.
ENDIF.
ENDMETHOD.
METHOD explain_content_background.
DATA:
ls_result TYPE match_result,
ls_match TYPE submatch_result,
lv_class TYPE string,
ls_method LIKE LINE OF mt_methods.
rs_expl-value = |{ zcl_abapgit_repo_srv=>get_instance( )->get( is_data-value )->get_name( ) }|.
FIND FIRST OCCURRENCE OF REGEX '<METHOD>(.*)</METHOD>'
IN is_data-data_str IGNORING CASE RESULTS ls_result.
READ TABLE ls_result-submatches INTO ls_match INDEX 1.
IF sy-subrc = 0.
lv_class = is_data-data_str+ls_match-offset(ls_match-length).
ENDIF.
IF mt_methods IS INITIAL.
mt_methods = zcl_abapgit_background=>list_methods( ).
ENDIF.
READ TABLE mt_methods INTO ls_method WITH TABLE KEY class = lv_class.
IF sy-subrc = 0.
rs_expl-extra = ls_method-description.
ELSE.
rs_expl-extra = lv_class.
ENDIF.
ENDMETHOD.
METHOD explain_content_repo.
DATA:
ls_result TYPE match_result,
ls_match TYPE submatch_result,
lv_cnt TYPE i.
FIND FIRST OCCURRENCE OF REGEX '<OFFLINE/>'
IN is_data-data_str IGNORING CASE MATCH COUNT lv_cnt.
IF lv_cnt > 0.
rs_expl-extra = 'Online'.
ELSE.
rs_expl-extra = 'Offline'.
ENDIF.
FIND FIRST OCCURRENCE OF REGEX '<DISPLAY_NAME>(.*)</DISPLAY_NAME>'
IN is_data-data_str IGNORING CASE RESULTS ls_result.
READ TABLE ls_result-submatches INTO ls_match INDEX 1.
IF sy-subrc = 0.
rs_expl-value = is_data-data_str+ls_match-offset(ls_match-length).
ELSE.
FIND FIRST OCCURRENCE OF REGEX '<NAME>(.*)</NAME>'
IN is_data-data_str IGNORING CASE RESULTS ls_result.
READ TABLE ls_result-submatches INTO ls_match INDEX 1.
IF sy-subrc = 0.
rs_expl-value = is_data-data_str+ls_match-offset(ls_match-length).
ENDIF.
ENDIF.
IF rs_expl-value IS INITIAL.
FIND FIRST OCCURRENCE OF REGEX '<URL>(.*)</URL>'
IN is_data-data_str IGNORING CASE RESULTS ls_result.
READ TABLE ls_result-submatches INTO ls_match INDEX 1.
IF sy-subrc = 0.
rs_expl-value = is_data-data_str+ls_match-offset(ls_match-length).
IF lv_cnt > 0.
rs_expl-value = zcl_abapgit_url=>name( rs_expl-value ).
ENDIF.
ENDIF.
ENDIF.
ENDMETHOD.
METHOD explain_content_repo_cs.
DATA lt_lines TYPE string_table.
IF strlen( is_data-data_str ) > 0.
SPLIT is_data-data_str AT cl_abap_char_utilities=>newline INTO TABLE lt_lines.
rs_expl-extra = |{ lines( lt_lines ) } lines|.
READ TABLE lt_lines INDEX 1 INTO rs_expl-value.
IF sy-subrc = 0.
REPLACE '#repo_name#' IN rs_expl-value WITH ''.
rs_expl-value = escape(
val = rs_expl-value
format = cl_abap_format=>e_html_attr ).
ENDIF.
ENDIF.
ENDMETHOD.
METHOD register_stylesheet.
DATA lo_buf TYPE REF TO zcl_abapgit_string_buffer.
CREATE OBJECT lo_buf.
" @@abapmerge include zabapgit_css_page_db.w3mi.data.css > lo_buf->add( '$$' ).
gui_services( )->register_page_asset(
iv_url = c_css_url
iv_type = 'text/css'
iv_mime_name = 'ZABAPGIT_CSS_PAGE_DB'
iv_inline = lo_buf->join_w_newline_and_flush( ) ).
ENDMETHOD.
METHOD render_stats.
DATA:
lv_cnt TYPE i,
lv_online TYPE i,
lv_offline TYPE i,
lv_users TYPE i.
FIELD-SYMBOLS <ls_db_entry> LIKE LINE OF it_db_entries.
LOOP AT it_db_entries ASSIGNING <ls_db_entry>.
IF <ls_db_entry>-type = zcl_abapgit_persistence_db=>c_type_repo.
FIND FIRST OCCURRENCE OF REGEX '<OFFLINE/>'
IN <ls_db_entry>-data_str IGNORING CASE MATCH COUNT lv_cnt.
IF lv_cnt > 0.
lv_online = lv_online + 1.
ELSE.
lv_offline = lv_offline + 1.
ENDIF.
ELSEIF <ls_db_entry>-type = zcl_abapgit_persistence_db=>c_type_user.
lv_users = lv_users + 1.
ENDIF.
ENDLOOP.
ri_html = zcl_abapgit_html=>create( ).
ri_html->add( |Repositories: { lv_online + lv_offline } ({ lv_online } online, { lv_offline } offline),| ).
ri_html->add( |Users: { lv_users }| ).
ENDMETHOD.
METHOD render_table.
ri_html = zcl_abapgit_html_table=>create( me
)->define_column(
iv_column_id = 'type'
iv_column_title = 'Type'
)->define_column(
iv_column_id = 'value'
iv_column_title = 'Key'
)->define_column(
iv_column_id = 'expl'
iv_column_title = 'Data'
)->define_column( 'cmd'
)->render( it_db_entries ).
ENDMETHOD.
METHOD zif_abapgit_gui_event_handler~on_event.
DATA ls_db TYPE zif_abapgit_persistence=>ty_content.
DATA lo_query TYPE REF TO zcl_abapgit_string_map.
lo_query = ii_event->query( ).
CASE ii_event->mv_action.
WHEN c_action-delete.
lo_query->to_abap( CHANGING cs_container = ls_db ).
do_delete_entry( ls_db ).
rs_handled-state = zcl_abapgit_gui=>c_event_state-re_render.
WHEN c_action-backup.
do_backup_db( ).
rs_handled-state = zcl_abapgit_gui=>c_event_state-re_render.
WHEN c_action-restore.
do_restore_db( ).
rs_handled-state = zcl_abapgit_gui=>c_event_state-re_render.
ENDCASE.
ENDMETHOD.
METHOD zif_abapgit_gui_menu_provider~get_menu.
CREATE OBJECT ro_toolbar.
ro_toolbar->add(
iv_txt = 'Backup'
iv_act = c_action-backup ).
ro_toolbar->add(
iv_txt = 'Restore'
iv_act = c_action-restore ).
ro_toolbar->add(
iv_txt = 'Back'
iv_act = zif_abapgit_definitions=>c_action-go_back ).
ENDMETHOD.
METHOD zif_abapgit_gui_renderable~render.
DATA lt_db_entries TYPE zif_abapgit_persistence=>ty_contents.
register_handlers( ).
lt_db_entries = zcl_abapgit_persistence_db=>get_instance( )->list( ).
ri_html = zcl_abapgit_html=>create( ).
ri_html->add( '<div class="db-list">' ).
ri_html->add( render_stats( lt_db_entries ) ).
ri_html->add( '</div>' ).
ri_html->add( '<div class="db-list">' ).
ri_html->add( render_table( lt_db_entries ) ).
ri_html->add( '</div>' ).
ENDMETHOD.
METHOD zif_abapgit_html_table~get_row_attrs.
ENDMETHOD.
METHOD zif_abapgit_html_table~render_cell.
DATA lv_action TYPE string.
DATA lo_toolbar TYPE REF TO zcl_abapgit_html_toolbar.
CASE iv_column_id.
WHEN 'type' OR 'value'.
rs_render-content = |{ iv_value }|.
WHEN 'expl'.
rs_render-content = explain_content( is_row ).
rs_render-css_class = 'data'.
WHEN 'cmd'.
lv_action = zcl_abapgit_html_action_utils=>dbkey_encode( is_row ).
lo_toolbar = zcl_abapgit_html_toolbar=>create(
)->add(
iv_txt = 'Display'
iv_act = |{ zif_abapgit_definitions=>c_action-db_display }?{ lv_action }|
)->add(
iv_txt = 'Edit'
iv_act = |{ zif_abapgit_definitions=>c_action-db_edit }?{ lv_action }|
)->add(
iv_txt = 'Delete'
iv_act = |{ c_action-delete }?{ lv_action }| ).
rs_render-html = lo_toolbar->render( ).
ENDCASE.
ENDMETHOD.
ENDCLASS.
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