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PUBLIC
FINAL
CREATE PRIVATE.
PUBLIC SECTION.
TYPES:
BEGIN OF ty_log,
version TYPE string,
pos_to_cur TYPE i,
is_header TYPE abap_bool,
is_important TYPE abap_bool,
text TYPE string,
END OF ty_log.
TYPES:
ty_logs TYPE STANDARD TABLE OF ty_log WITH DEFAULT KEY.
CONSTANTS c_tail_length TYPE i VALUE 5 ##NO_TEXT. " Number of versions to display if no updates
CLASS-METHODS create " TODO REFACTOR
IMPORTING
!io_repo TYPE REF TO zcl_abapgit_repo
RETURNING
VALUE(ro_instance) TYPE REF TO zcl_abapgit_repo_news
RAISING
zcx_abapgit_exception.
METHODS get_log
RETURNING
VALUE(rt_log) TYPE ty_logs.
METHODS has_news
RETURNING
VALUE(rv_boolean) TYPE abap_bool.
METHODS has_important
RETURNING
VALUE(rv_boolean) TYPE abap_bool.
METHODS has_updates
RETURNING
VALUE(rv_boolean) TYPE abap_bool.
METHODS has_unseen
RETURNING
VALUE(rv_boolean) TYPE abap_bool.
METHODS constructor
IMPORTING
!iv_rawdata TYPE xstring
!iv_lastseen_version TYPE string
!iv_current_version TYPE string
RAISING
zcx_abapgit_exception.
PROTECTED SECTION.
PRIVATE SECTION.
DATA mt_log TYPE ty_logs .
DATA mv_current_version TYPE string .
DATA mv_lastseen_version TYPE string .
DATA mv_latest_version TYPE string .
METHODS latest_version
RETURNING
VALUE(rv_version) TYPE string .
CLASS-METHODS parse_line
IMPORTING
!iv_line TYPE string
!iv_current_version TYPE string
RETURNING
VALUE(rs_log) TYPE ty_log .
CLASS-METHODS parse
IMPORTING
!it_lines TYPE string_table
!iv_current_version TYPE string
RETURNING
VALUE(rt_log) TYPE ty_logs .
ENDCLASS.
CLASS zcl_abapgit_repo_news IMPLEMENTATION.
METHOD constructor.
DATA: lt_lines TYPE string_table,
lv_string TYPE string,
ls_log_line LIKE LINE OF mt_log.
" Validate params
mv_current_version = zcl_abapgit_version=>normalize( iv_current_version ).
mv_lastseen_version = zcl_abapgit_version=>normalize( iv_lastseen_version ).
IF mv_current_version IS INITIAL.
RETURN. " Internal format of program version is not correct -> abort parsing
ENDIF.
lv_string = zcl_abapgit_convert=>xstring_to_string_utf8( iv_rawdata ).
lt_lines = zcl_abapgit_convert=>split_string( lv_string ).
mt_log = parse( it_lines = lt_lines
iv_current_version = mv_current_version ).
READ TABLE mt_log INTO ls_log_line INDEX 1.
mv_latest_version = ls_log_line-version. " Empty if not found
ENDMETHOD.
METHOD create.
CONSTANTS: " TODO refactor
lc_log_path TYPE string VALUE '/',
lc_log_filename TYPE string VALUE 'changelog*',
lc_log_filename_up TYPE string VALUE 'CHANGELOG*'.
DATA: lo_apack TYPE REF TO zcl_abapgit_apack_reader,
lt_remote TYPE zif_abapgit_git_definitions=>ty_files_tt,
lv_version TYPE string,
lv_last_seen TYPE string,
lv_url TYPE string,
lo_repo_online TYPE REF TO zcl_abapgit_repo_online,
lv_version_constant TYPE zif_abapgit_dot_abapgit=>ty_dot_abapgit-version_constant.
FIELD-SYMBOLS <ls_file> LIKE LINE OF lt_remote.
IF io_repo->is_offline( ) = abap_true.
RETURN.
ENDIF.
lo_repo_online ?= io_repo.
lv_url = lo_repo_online->get_url( ).
lo_apack = io_repo->get_dot_apack( ).
IF lo_apack IS BOUND.
lv_version = lo_apack->get_manifest_descriptor( )-version.
ENDIF.
IF lv_version IS INITIAL.
TRY.
lv_version_constant = io_repo->get_dot_abapgit( )->get_version_constant( ).
IF lv_version_constant IS NOT INITIAL.
lv_version = zcl_abapgit_version=>get_version_constant_value( lv_version_constant ).
ENDIF.
CATCH zcx_abapgit_exception.
CLEAR lv_version.
ENDTRY.
ENDIF.
IF lv_version IS INITIAL.
RETURN.
ENDIF.
lv_last_seen = zcl_abapgit_persistence_user=>get_instance( )->get_repo_last_change_seen( lv_url ).
TRY. " Find changelog
lt_remote = io_repo->get_files_remote( ).
CATCH zcx_abapgit_exception.
RETURN.
ENDTRY.
LOOP AT lt_remote ASSIGNING <ls_file> WHERE path = lc_log_path
AND ( filename CP lc_log_filename OR filename CP lc_log_filename_up ).
CREATE OBJECT ro_instance
EXPORTING
iv_rawdata = <ls_file>-data
iv_current_version = lv_version
iv_lastseen_version = zcl_abapgit_version=>normalize( lv_last_seen ).
EXIT.
ENDLOOP.
IF ro_instance IS BOUND AND lv_last_seen <> ro_instance->latest_version( ).
zcl_abapgit_persistence_user=>get_instance( )->set_repo_last_change_seen(
iv_url = lv_url
iv_version = ro_instance->latest_version( ) ).
ENDIF.
ENDMETHOD.
METHOD get_log.
rt_log = mt_log.
ENDMETHOD.
METHOD has_important.
READ TABLE mt_log WITH KEY is_important = abap_true TRANSPORTING NO FIELDS.
rv_boolean = boolc( sy-subrc IS INITIAL ).
ENDMETHOD.
METHOD has_news.
rv_boolean = boolc( lines( mt_log ) > 0 ).
ENDMETHOD.
METHOD has_unseen.
rv_boolean = boolc( zcl_abapgit_version=>compare(
iv_a = mv_latest_version
iv_b = mv_lastseen_version ) > 0 ).
ENDMETHOD.
METHOD has_updates.
rv_boolean = boolc( zcl_abapgit_version=>compare(
iv_a = mv_latest_version
iv_b = mv_current_version ) > 0 ).
ENDMETHOD.
METHOD latest_version.
rv_version = mv_latest_version.
ENDMETHOD.
METHOD parse.
DATA: lv_tail TYPE i,
lv_first_version_found TYPE abap_bool,
lv_version TYPE string,
ls_log LIKE LINE OF rt_log.
FIELD-SYMBOLS: <lv_line> LIKE LINE OF it_lines.
LOOP AT it_lines ASSIGNING <lv_line>.
ls_log = parse_line( iv_line = <lv_line>
iv_current_version = iv_current_version ).
" Skip until first version head and Skip empty lines
CHECK ls_log IS NOT INITIAL AND
( lv_first_version_found = abap_true OR ls_log-version IS NOT INITIAL ).
IF lv_first_version_found = abap_false.
lv_first_version_found = abap_true.
IF zcl_abapgit_version=>compare( iv_a = ls_log-version
iv_b = iv_current_version ) <= 0.
lv_tail = c_tail_length. " Display some last versions if no updates
ENDIF.
ENDIF.
IF ls_log-is_header = abap_true.
"Skip everything below current version or show tail news
IF zcl_abapgit_version=>compare( iv_a = ls_log-version
iv_b = iv_current_version ) <= 0.
IF lv_tail > 0.
lv_tail = lv_tail - 1.
ELSE.
EXIT.
ENDIF.
ENDIF.
lv_version = ls_log-version. " Save to fill news lines
ELSE.
ls_log-version = lv_version.
ENDIF.
APPEND ls_log TO rt_log.
ENDLOOP.
ENDMETHOD.
METHOD parse_line.
CONSTANTS: lc_header_pattern TYPE string
VALUE '^\d{4}-\d{2}-\d{2}\s+v(\d{1,3}\.\d{1,3}\.\d{1,3})\s*$'.
DATA: lv_version TYPE string.
IF iv_line IS INITIAL OR iv_line CO ' -='.
RETURN. " Skip empty and markup lines
ENDIF.
" Check if line is a header line
FIND FIRST OCCURRENCE OF REGEX lc_header_pattern IN iv_line SUBMATCHES lv_version.
IF sy-subrc IS INITIAL.
lv_version = zcl_abapgit_version=>normalize( lv_version ).
rs_log-version = lv_version.
rs_log-is_header = abap_true.
rs_log-pos_to_cur = zcl_abapgit_version=>compare( iv_a = lv_version
iv_b = iv_current_version ).
ELSE.
FIND FIRST OCCURRENCE OF REGEX '^\s*!' IN iv_line.
rs_log-is_important = boolc( sy-subrc IS INITIAL ). " Change is important
ENDIF.
rs_log-text = iv_line.
ENDMETHOD.
ENDCLASS.
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