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PUBLIC
CREATE PROTECTED
GLOBAL FRIENDS zcl_abapgit_persist_factory .
PUBLIC SECTION.
INTERFACES zif_abapgit_persist_repo .
INTERFACES zif_abapgit_persist_repo_cs .
METHODS constructor .
METHODS rewrite_repo_meta
IMPORTING
!iv_repo_key TYPE zif_abapgit_persistence=>ty_repo-key
RAISING
zcx_abapgit_exception
zcx_abapgit_not_found.
PROTECTED SECTION.
PRIVATE SECTION.
DATA mt_meta_fields TYPE STANDARD TABLE OF abap_compname.
DATA mo_db TYPE REF TO zcl_abapgit_persistence_db .
METHODS from_xml
IMPORTING
!iv_repo_xml_string TYPE string
RETURNING
VALUE(rs_repo) TYPE zif_abapgit_persistence=>ty_repo_xml
RAISING
zcx_abapgit_exception .
METHODS to_xml
IMPORTING
!is_repo TYPE zif_abapgit_persistence=>ty_repo
RETURNING
VALUE(rv_repo_xml_string) TYPE string .
METHODS get_next_id
RETURNING
VALUE(rv_next_repo_id) TYPE zif_abapgit_persistence=>ty_content-value
RAISING
zcx_abapgit_exception .
METHODS get_repo_from_content
IMPORTING
is_content TYPE zif_abapgit_persistence=>ty_content
RETURNING
VALUE(rs_result) TYPE zif_abapgit_persistence=>ty_repo
RAISING
zcx_abapgit_exception.
ENDCLASS.
CLASS zcl_abapgit_persistence_repo IMPLEMENTATION.
METHOD constructor.
DATA ls_dummy_meta_mask TYPE zif_abapgit_persistence=>ty_repo_meta_mask.
DATA ls_dummy_meta TYPE zif_abapgit_persistence=>ty_repo_xml.
DATA lo_type_meta_mask TYPE REF TO cl_abap_structdescr.
DATA lo_type_meta TYPE REF TO cl_abap_structdescr.
FIELD-SYMBOLS <ls_comp> LIKE LINE OF lo_type_meta_mask->components.
" Collect actual list of fields in repo meta data (used in update_meta)
lo_type_meta_mask ?= cl_abap_structdescr=>describe_by_data( ls_dummy_meta_mask ).
lo_type_meta ?= cl_abap_structdescr=>describe_by_data( ls_dummy_meta ).
LOOP AT lo_type_meta_mask->components ASSIGNING <ls_comp>.
APPEND <ls_comp>-name TO mt_meta_fields.
ENDLOOP.
mo_db = zcl_abapgit_persistence_db=>get_instance( ).
ENDMETHOD.
METHOD from_xml.
DATA: lv_xml TYPE string.
lv_xml = iv_repo_xml_string.
* fix downward compatibility
REPLACE ALL OCCURRENCES OF '<_--28C_TYPE_REPO_--29>' IN lv_xml WITH '<REPO>'.
REPLACE ALL OCCURRENCES OF '</_--28C_TYPE_REPO_--29>' IN lv_xml WITH '</REPO>'.
CALL TRANSFORMATION id
OPTIONS value_handling = 'accept_data_loss'
SOURCE XML lv_xml
RESULT repo = rs_repo.
* automatic migration of old fields
* todo, keep for transition period until 2022-12-31, then remove all of these
FIND FIRST OCCURRENCE OF '</HEAD_BRANCH><WRITE_PROTECT>X</WRITE_PROTECT>' IN lv_xml.
IF sy-subrc = 0.
rs_repo-local_settings-write_protected = abap_true.
ENDIF.
FIND FIRST OCCURRENCE OF '<IGNORE_SUBPACKAGES>X</IGNORE_SUBPACKAGES></REPO>' IN lv_xml.
IF sy-subrc = 0.
rs_repo-local_settings-ignore_subpackages = abap_true.
ENDIF.
FIND FIRST OCCURRENCE OF '<SERIALIZE_MASTER_LANG_ONLY>X</SERIALIZE_MASTER_LANG_ONLY>' IN lv_xml.
IF sy-subrc = 0.
rs_repo-local_settings-main_language_only = abap_true.
ENDIF.
IF rs_repo IS INITIAL.
zcx_abapgit_exception=>raise( 'Inconsistent repo metadata' ).
ENDIF.
ENDMETHOD.
METHOD get_next_id.
* todo: Lock the complete persistence in order to prevent concurrent repo-creation
* however the current approach will most likely work in almost all cases
DATA: lt_content TYPE zif_abapgit_persistence=>ty_contents.
FIELD-SYMBOLS: <ls_content> LIKE LINE OF lt_content.
rv_next_repo_id = 1.
lt_content = mo_db->list_by_type( zcl_abapgit_persistence_db=>c_type_repo ).
LOOP AT lt_content ASSIGNING <ls_content>.
IF <ls_content>-value >= rv_next_repo_id.
rv_next_repo_id = <ls_content>-value + 1.
ENDIF.
ENDLOOP.
SHIFT rv_next_repo_id RIGHT DELETING TRAILING space.
TRANSLATE rv_next_repo_id USING ' 0'.
ENDMETHOD.
METHOD get_repo_from_content.
MOVE-CORRESPONDING from_xml( is_content-data_str ) TO rs_result.
IF rs_result-local_settings-write_protected = abap_false AND
zcl_abapgit_factory=>get_environment( )->is_repo_object_changes_allowed( ) = abap_false.
rs_result-local_settings-write_protected = abap_true.
ENDIF.
rs_result-key = is_content-value.
ENDMETHOD.
METHOD rewrite_repo_meta.
DATA lv_old_blob TYPE string.
DATA lv_new_blob TYPE string.
DATA ls_repo_meta TYPE zif_abapgit_persistence=>ty_repo.
lv_old_blob = mo_db->read(
iv_type = zcl_abapgit_persistence_db=>c_type_repo
iv_value = iv_repo_key ).
MOVE-CORRESPONDING from_xml( lv_old_blob ) TO ls_repo_meta.
lv_new_blob = to_xml( ls_repo_meta ).
IF lv_new_blob <> lv_old_blob.
mo_db->update(
iv_type = zcl_abapgit_persistence_db=>c_type_repo
iv_value = iv_repo_key
iv_data = lv_new_blob ).
COMMIT WORK.
ENDIF.
ENDMETHOD.
METHOD to_xml.
DATA: ls_xml TYPE zif_abapgit_persistence=>ty_repo_xml.
MOVE-CORRESPONDING is_repo TO ls_xml.
CALL TRANSFORMATION id
SOURCE repo = ls_xml
RESULT XML rv_repo_xml_string.
ENDMETHOD.
METHOD zif_abapgit_persist_repo_cs~delete.
mo_db->delete(
iv_type = zcl_abapgit_persistence_db=>c_type_repo_csum
iv_value = iv_key ).
ENDMETHOD.
METHOD zif_abapgit_persist_repo_cs~read.
rv_cs_blob = mo_db->read(
iv_type = zcl_abapgit_persistence_db=>c_type_repo_csum
iv_value = iv_key ).
ENDMETHOD.
METHOD zif_abapgit_persist_repo_cs~update.
mo_db->modify(
iv_type = zcl_abapgit_persistence_db=>c_type_repo_csum
iv_value = iv_key
iv_data = iv_cs_blob ).
ENDMETHOD.
METHOD zif_abapgit_persist_repo~add.
DATA: ls_repo TYPE zif_abapgit_persistence=>ty_repo,
lv_repo_as_xml TYPE string.
ls_repo-url = iv_url.
ls_repo-branch_name = iv_branch_name.
ls_repo-package = iv_package.
ls_repo-offline = iv_offline.
ls_repo-created_by = sy-uname.
GET TIME STAMP FIELD ls_repo-created_at.
ls_repo-dot_abapgit = is_dot_abapgit.
ls_repo-local_settings-display_name = iv_display_name.
lv_repo_as_xml = to_xml( ls_repo ).
rv_key = get_next_id( ).
mo_db->add( iv_type = zcl_abapgit_persistence_db=>c_type_repo
iv_value = rv_key
iv_data = lv_repo_as_xml ).
ENDMETHOD.
METHOD zif_abapgit_persist_repo~delete.
DATA: lo_background TYPE REF TO zcl_abapgit_persist_background.
CREATE OBJECT lo_background.
lo_background->delete( iv_key ).
mo_db->delete( iv_type = zcl_abapgit_persistence_db=>c_type_repo
iv_value = iv_key ).
ENDMETHOD.
METHOD zif_abapgit_persist_repo~exists.
DATA lt_keys TYPE zif_abapgit_persistence=>ty_repo_keys.
DATA lt_content TYPE zif_abapgit_persistence=>ty_contents.
APPEND iv_key TO lt_keys.
lt_content = mo_db->list_by_keys(
it_keys = lt_keys
iv_type = zcl_abapgit_persistence_db=>c_type_repo ).
rv_yes = boolc( lines( lt_content ) > 0 ).
ENDMETHOD.
METHOD zif_abapgit_persist_repo~list.
DATA: lt_content TYPE zif_abapgit_persistence=>ty_contents,
ls_content LIKE LINE OF lt_content,
ls_repo LIKE LINE OF rt_repos.
lt_content = mo_db->list_by_type( zcl_abapgit_persistence_db=>c_type_repo ).
LOOP AT lt_content INTO ls_content.
ls_repo = get_repo_from_content( ls_content ).
INSERT ls_repo INTO TABLE rt_repos.
ENDLOOP.
ENDMETHOD.
METHOD zif_abapgit_persist_repo~list_by_keys.
DATA: lt_content TYPE zif_abapgit_persistence=>ty_contents,
ls_content LIKE LINE OF lt_content,
ls_repo LIKE LINE OF rt_repos.
lt_content = mo_db->list_by_keys(
it_keys = it_keys
iv_type = zcl_abapgit_persistence_db=>c_type_repo ).
LOOP AT lt_content INTO ls_content.
ls_repo = get_repo_from_content( ls_content ).
INSERT ls_repo INTO TABLE rt_repos.
ENDLOOP.
ENDMETHOD.
METHOD zif_abapgit_persist_repo~lock.
mo_db->lock( iv_mode = iv_mode
iv_type = zcl_abapgit_persistence_db=>c_type_repo
iv_value = iv_key ).
ENDMETHOD.
METHOD zif_abapgit_persist_repo~read.
DATA lt_repo TYPE zif_abapgit_persistence=>ty_repos.
lt_repo = zif_abapgit_persist_repo~list( ).
READ TABLE lt_repo INTO rs_repo WITH KEY key = iv_key.
IF sy-subrc <> 0.
RAISE EXCEPTION TYPE zcx_abapgit_not_found.
ENDIF.
ENDMETHOD.
METHOD zif_abapgit_persist_repo~update_metadata.
DATA:
lv_blob TYPE zif_abapgit_persistence=>ty_content-data_str,
ls_persistent_meta TYPE zif_abapgit_persistence=>ty_repo.
FIELD-SYMBOLS <lv_field> LIKE LINE OF mt_meta_fields.
FIELD-SYMBOLS <lg_dst> TYPE any.
FIELD-SYMBOLS <lg_src> TYPE any.
FIELD-SYMBOLS <lv_changed> TYPE abap_bool.
ASSERT NOT iv_key IS INITIAL.
IF is_change_mask IS INITIAL.
RETURN.
ENDIF.
" Validations
IF is_change_mask-url = abap_true AND is_meta-url IS INITIAL.
zcx_abapgit_exception=>raise( 'update, url empty' ).
ENDIF.
ls_persistent_meta = zcl_abapgit_repo_srv=>get_instance( )->get( iv_key )->ms_data.
" Update
LOOP AT mt_meta_fields ASSIGNING <lv_field>.
ASSIGN COMPONENT <lv_field> OF STRUCTURE is_change_mask TO <lv_changed>.
ASSERT sy-subrc = 0.
CHECK <lv_changed> = abap_true.
ASSIGN COMPONENT <lv_field> OF STRUCTURE ls_persistent_meta TO <lg_dst>.
ASSERT sy-subrc = 0.
ASSIGN COMPONENT <lv_field> OF STRUCTURE is_meta TO <lg_src>.
ASSERT sy-subrc = 0.
<lg_dst> = <lg_src>.
ENDLOOP.
lv_blob = to_xml( ls_persistent_meta ).
mo_db->update( iv_type = zcl_abapgit_persistence_db=>c_type_repo
iv_value = iv_key
iv_data = lv_blob ).
ENDMETHOD.
ENDCLASS.
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