abapGit/src/data/zcl_abapgit_data_deserializer.clas.abap
2023-11-09 08:37:31 -05:00

346 lines
10 KiB
ABAP

CLASS zcl_abapgit_data_deserializer DEFINITION
PUBLIC
CREATE PRIVATE
GLOBAL FRIENDS zcl_abapgit_data_factory .
PUBLIC SECTION.
INTERFACES zif_abapgit_data_deserializer .
PROTECTED SECTION.
PRIVATE SECTION.
METHODS convert_json_to_itab
IMPORTING
!is_file TYPE zif_abapgit_git_definitions=>ty_file
!ir_data TYPE REF TO data
RAISING
zcx_abapgit_exception .
METHODS preview_database_changes
IMPORTING
!iv_name TYPE tadir-obj_name
!ir_lc_data TYPE REF TO data
!ir_db_data TYPE REF TO data
RETURNING
VALUE(rs_result) TYPE zif_abapgit_data_deserializer=>ty_result
RAISING
zcx_abapgit_exception.
METHODS write_database_table
IMPORTING
!iv_name TYPE tadir-obj_name
!ir_del TYPE REF TO data
!ir_ins TYPE REF TO data
!ir_upd TYPE REF TO data
RAISING
zcx_abapgit_exception .
METHODS read_database_table
IMPORTING
!iv_name TYPE tadir-obj_name
!it_where TYPE string_table
RETURNING
VALUE(rr_data) TYPE REF TO data
RAISING
zcx_abapgit_exception .
METHODS determine_transport_request
IMPORTING
io_repo TYPE REF TO zcl_abapgit_repo
iv_transport_type TYPE zif_abapgit_definitions=>ty_transport_type
RETURNING
VALUE(rv_transport_request) TYPE trkorr.
METHODS is_table_allowed_to_edit
IMPORTING
!is_result TYPE zif_abapgit_data_deserializer=>ty_result
RETURNING
VALUE(rv_allowed_to_edit) TYPE abap_bool .
ENDCLASS.
CLASS zcl_abapgit_data_deserializer IMPLEMENTATION.
METHOD convert_json_to_itab.
DATA lo_ajson TYPE REF TO zcl_abapgit_ajson.
DATA lx_ajson TYPE REF TO zcx_abapgit_ajson_error.
FIELD-SYMBOLS <lg_tab> TYPE ANY TABLE.
ASSIGN ir_data->* TO <lg_tab>.
TRY.
lo_ajson = zcl_abapgit_ajson=>parse( zcl_abapgit_convert=>xstring_to_string_utf8( is_file-data ) ).
lo_ajson->zif_abapgit_ajson~to_abap( IMPORTING ev_container = <lg_tab> ).
CATCH zcx_abapgit_ajson_error INTO lx_ajson.
zcx_abapgit_exception=>raise( lx_ajson->get_text( ) ).
ENDTRY.
ENDMETHOD.
METHOD determine_transport_request.
DATA li_exit TYPE REF TO zif_abapgit_exit.
li_exit = zcl_abapgit_exit=>get_instance( ).
" Use transport from repo settings if maintained, or determine via user exit.
" If transport keeps empty here, it'll requested later via popup.
rv_transport_request = io_repo->get_local_settings( )-customizing_request.
li_exit->determine_transport_request(
EXPORTING
io_repo = io_repo
iv_transport_type = iv_transport_type
CHANGING
cv_transport_request = rv_transport_request ).
ENDMETHOD.
METHOD is_table_allowed_to_edit.
" Is the object supported (by default or based on exit)?
rv_allowed_to_edit = zcl_abapgit_data_factory=>get_supporter( )->is_object_supported(
iv_type = is_result-type
iv_name = is_result-name ).
ENDMETHOD.
METHOD preview_database_changes.
* method currently distinguishes between records be deleted and inserted (comparison of complete record)
FIELD-SYMBOLS <lg_old> TYPE ANY TABLE.
FIELD-SYMBOLS <lg_new> TYPE ANY TABLE.
FIELD-SYMBOLS <ls_del> TYPE any.
FIELD-SYMBOLS <ls_ins> TYPE any.
FIELD-SYMBOLS <lg_del> TYPE ANY TABLE.
FIELD-SYMBOLS <lg_ins> TYPE ANY TABLE.
FIELD-SYMBOLS <lg_upd> TYPE ANY TABLE.
ASSIGN ir_db_data->* TO <lg_old>.
ASSIGN ir_lc_data->* TO <lg_new>.
rs_result-type = zif_abapgit_data_config=>c_data_type-tabu.
rs_result-name = iv_name.
rs_result-deletes = zcl_abapgit_data_utils=>build_table_itab( iv_name ).
rs_result-inserts = zcl_abapgit_data_utils=>build_table_itab( iv_name ).
rs_result-updates = zcl_abapgit_data_utils=>build_table_itab( iv_name ).
ASSIGN rs_result-deletes->* TO <lg_del>.
ASSIGN rs_result-inserts->* TO <lg_ins>.
ASSIGN rs_result-updates->* TO <lg_upd>.
<lg_del> = <lg_old>.
<lg_ins> = <lg_new>.
" Remove identical records
LOOP AT <lg_del> ASSIGNING <ls_del>.
READ TABLE <lg_ins> ASSIGNING <ls_ins> FROM <ls_del>.
IF sy-subrc = 0.
IF <ls_del> <> <ls_ins>.
" Identical key but not identical component values
INSERT <ls_ins> INTO TABLE <lg_upd>.
ENDIF.
DELETE TABLE <lg_del> FROM <ls_del>.
DELETE TABLE <lg_ins> FROM <ls_ins>.
ENDIF.
ENDLOOP.
ENDMETHOD.
METHOD read_database_table.
DATA lv_where LIKE LINE OF it_where.
FIELD-SYMBOLS <lg_tab> TYPE ANY TABLE.
rr_data = zcl_abapgit_data_utils=>build_table_itab( iv_name ).
ASSIGN rr_data->* TO <lg_tab>.
LOOP AT it_where INTO lv_where.
SELECT * FROM (iv_name) APPENDING TABLE <lg_tab> WHERE (lv_where) ORDER BY PRIMARY KEY.
ENDLOOP.
IF lines( it_where ) = 0.
SELECT * FROM (iv_name) INTO TABLE <lg_tab> ORDER BY PRIMARY KEY.
ENDIF.
ENDMETHOD.
METHOD write_database_table.
FIELD-SYMBOLS <lg_del> TYPE ANY TABLE.
FIELD-SYMBOLS <lg_ins> TYPE ANY TABLE.
FIELD-SYMBOLS <lg_upd> TYPE ANY TABLE.
IF zcl_abapgit_data_utils=>does_table_exist( iv_name ) = abap_false.
zcx_abapgit_exception=>raise( |Table { iv_name } not found for data deserialization| ).
ENDIF.
ASSIGN ir_del->* TO <lg_del>.
ASSIGN ir_ins->* TO <lg_ins>.
ASSIGN ir_upd->* TO <lg_upd>.
IF lines( <lg_del> ) > 0.
DELETE (iv_name) FROM TABLE <lg_del>.
IF sy-subrc <> 0.
zcx_abapgit_exception=>raise( |Error deleting { lines( <lg_del> ) } records from table { iv_name }| ).
ENDIF.
ENDIF.
IF lines( <lg_ins> ) > 0.
INSERT (iv_name) FROM TABLE <lg_ins>.
IF sy-subrc <> 0.
zcx_abapgit_exception=>raise( |Error inserting { lines( <lg_ins> ) } records into table { iv_name }| ).
ENDIF.
ENDIF.
IF lines( <lg_upd> ) > 0.
UPDATE (iv_name) FROM TABLE <lg_upd>.
IF sy-subrc <> 0.
zcx_abapgit_exception=>raise( |Error updating { lines( <lg_upd> ) } records into table { iv_name }| ).
ENDIF.
ENDIF.
ENDMETHOD.
METHOD zif_abapgit_data_deserializer~actualize.
* this method updates the database
DATA ls_result LIKE LINE OF it_result.
DATA li_cts_api TYPE REF TO zif_abapgit_cts_api.
FIELD-SYMBOLS:
<lt_ins> TYPE ANY TABLE,
<lt_del> TYPE ANY TABLE,
<lt_upd> TYPE ANY TABLE.
LOOP AT it_result INTO ls_result.
ASSERT ls_result-type = zif_abapgit_data_config=>c_data_type-tabu. " todo
ASSERT ls_result-name IS NOT INITIAL.
" Did the user flagged this object for update?
READ TABLE is_checks-overwrite TRANSPORTING NO FIELDS
WITH KEY object_type_and_name
COMPONENTS
obj_type = ls_result-type
obj_name = ls_result-name
decision = zif_abapgit_definitions=>c_yes.
IF sy-subrc <> 0.
CONTINUE.
ENDIF.
IF is_table_allowed_to_edit( ls_result ) = abap_false.
zcx_abapgit_exception=>raise( |Table { ls_result-name } not supported for updating data| ).
ENDIF.
write_database_table(
iv_name = ls_result-name
ir_del = ls_result-deletes
ir_ins = ls_result-inserts
ir_upd = ls_result-updates ).
ASSIGN ls_result-inserts->* TO <lt_ins>.
ASSIGN ls_result-deletes->* TO <lt_del>.
ASSIGN ls_result-updates->* TO <lt_upd>.
IF zcl_abapgit_data_utils=>is_customizing_table( ls_result-name ) = abap_true.
IF li_cts_api IS INITIAL.
li_cts_api = zcl_abapgit_factory=>get_cts_api( ).
ENDIF.
li_cts_api->create_transport_entries(
iv_transport = is_checks-customizing-transport
it_table_ins = <lt_ins>
it_table_upd = <lt_upd>
it_table_del = <lt_del>
iv_tabname = |{ ls_result-name }| ).
ENDIF.
INSERT ls_result-file INTO TABLE rt_accessed_files. " data file
INSERT ls_result-config INTO TABLE rt_accessed_files. " config file
ENDLOOP.
ENDMETHOD.
METHOD zif_abapgit_data_deserializer~deserialize.
* this method does not persist any changes to the database
DATA lt_configs TYPE zif_abapgit_data_config=>ty_config_tt.
DATA ls_config LIKE LINE OF lt_configs.
DATA lr_lc_data TYPE REF TO data.
DATA lr_db_data TYPE REF TO data.
DATA ls_file LIKE LINE OF it_files.
DATA ls_result LIKE LINE OF rt_result.
lt_configs = ii_config->get_configs( ).
LOOP AT lt_configs INTO ls_config.
ASSERT ls_config-type = zif_abapgit_data_config=>c_data_type-tabu. " todo
ASSERT ls_config-name IS NOT INITIAL.
lr_lc_data = zcl_abapgit_data_utils=>build_table_itab( ls_config-name ).
READ TABLE it_files INTO ls_file
WITH KEY file_path
COMPONENTS path = zif_abapgit_data_config=>c_default_path
filename = zcl_abapgit_data_utils=>build_data_filename( ls_config ).
IF sy-subrc = 0.
convert_json_to_itab(
ir_data = lr_lc_data
is_file = ls_file ).
lr_db_data = read_database_table(
iv_name = ls_config-name
it_where = ls_config-where ).
ls_result = preview_database_changes(
iv_name = ls_config-name
ir_lc_data = lr_lc_data
ir_db_data = lr_db_data ).
MOVE-CORRESPONDING ls_file TO ls_result-file. " data file
READ TABLE it_files INTO ls_file
WITH KEY file_path
COMPONENTS path = zif_abapgit_data_config=>c_default_path
filename = zcl_abapgit_data_utils=>build_config_filename( ls_config ).
ASSERT sy-subrc = 0.
MOVE-CORRESPONDING ls_file TO ls_result-config. " config file
INSERT ls_result INTO TABLE rt_result.
ENDIF.
ENDLOOP.
ENDMETHOD.
METHOD zif_abapgit_data_deserializer~deserialize_check.
DATA lt_configs TYPE zif_abapgit_data_config=>ty_config_tt.
lt_configs = ii_config->get_configs( ).
IF lt_configs IS NOT INITIAL.
rs_checks-required = abap_true.
rs_checks-type-request = zif_abapgit_cts_api=>c_transport_type-cust_request.
rs_checks-type-task = zif_abapgit_cts_api=>c_transport_type-cust_task.
rs_checks-transport = determine_transport_request(
io_repo = io_repo
iv_transport_type = rs_checks-type ).
ENDIF.
ENDMETHOD.
ENDCLASS.