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SELECT
    mat_doc.Batch AS "InventoryBatchLot",
    CASE
        WHEN mat_doc.MovementType = '101' AND mat_doc.InventoryStockType = '2' THEN 'Stock Posted to Quality Inspection'
        WHEN mat_doc.MovementType = '101' THEN 'Goods Receipt Posted'
        WHEN mat_doc.MovementType = '321' THEN 'Quality Inspection Stock Released'
        WHEN mat_doc.MovementType = '311' THEN 'Internal Stock Transfer Posted'
        WHEN mat_doc.MovementType = '344' THEN 'Stock Status Changed to Blocked'
        WHEN mat_doc.MovementType IN ('343', '322') THEN 'Stock Status Changed to Unrestricted'
        WHEN mat_doc.MovementType IN ('701', '702') THEN 'Inventory Adjustment Posted'
        WHEN mat_doc.MovementType = '601' THEN 'Goods Issue for Delivery Posted'
        WHEN mat_doc.MovementType = '261' THEN 'Goods Issue for Production Posted'
        WHEN mat_doc.MovementType IN ('651', '653') THEN 'Sales Return Received'
        WHEN mat_doc.MovementType = '551' THEN 'Stock Scrapped'
        WHEN mat_doc.MovementType = '313' THEN 'Put-Away Transfer Posted' -- Example for two-step transfers
        ELSE 'Unknown Material Movement'
    END AS "ActivityName",
    TO_TIMESTAMP(mat_doc.PostingDate || LPAD(mat_doc.CreationTime, 6, '0'), 'YYYYMMDDHH24MISS') AS "EventTime",
    mat_doc.Material AS "MaterialNumber",
    mat_doc.CreatedByUser AS "UserName",
    mat_doc.MovementType AS "MovementType",
    mat_doc.Plant AS "Plant",
    mat_doc.StorageLocation AS "StorageLocation",
    mat_doc.QuantityInEntryUnit AS "Quantity",
    mat_doc.ReasonForMovement AS "MovementReasonCode"
FROM
    I_MaterialDocumentItem AS mat_doc
WHERE
    mat_doc.Batch IS NOT NULL AND mat_doc.Batch <> ''
    AND mat_doc.PostingDate BETWEEN '20230101' AND '20231231' -- Placeholder: Set your date range
    -- AND mat_doc.Plant IN ('Plant1', 'Plant2') -- Placeholder: Add filters for relevant plants
UNION ALL
SELECT
    SPLIT_PART(change_doc.ChangeableObjectDescription, '/', 3) AS "InventoryBatchLot",
    'Batch Status Changed' AS "ActivityName",
    change_doc.ChangeDocumentCreationDateTime AS "EventTime",
    SPLIT_PART(change_doc.ChangeableObjectDescription, '/', 1) AS "MaterialNumber",
    change_doc.ChangedByUser AS "UserName",
    NULL AS "MovementType",
    SPLIT_PART(change_doc.ChangeableObjectDescription, '/', 2) AS "Plant",
    NULL AS "StorageLocation",
    NULL AS "Quantity",
    NULL AS "MovementReasonCode"
FROM
    I_BatchChangeDocument AS change_doc
WHERE
    change_doc.ChangeDocumentTable = 'MCHA' AND change_doc.ChangeDocumentTableFieldName = 'ZUSTD'
    AND TO_VARCHAR(change_doc.ChangeDocumentCreationDate) BETWEEN '20230101' AND '20231231' -- Placeholder: Set your date range
UNION ALL
SELECT
    wh_task.Batch AS "InventoryBatchLot",
    'Picking Initiated' AS "ActivityName",
    wh_task.WarehouseTaskCreationDateTime AS "EventTime",
    wh_task.Product AS "MaterialNumber",
    wh_task.CreatedByUser AS "UserName",
    NULL AS "MovementType",
    wh_task.Plant AS "Plant",
    wh_task.SourceStorageLocation AS "StorageLocation",
    wh_task.TargetQuantity AS "Quantity",
    NULL AS "MovementReasonCode"
FROM
    I_WarehouseTask AS wh_task
WHERE
    wh_task.Batch IS NOT NULL AND wh_task.Batch <> ''
    AND wh_task.WarehouseProcessType IN ('P210', 'P220') -- Placeholder: Adjust process types based on your picking configuration
    AND TO_VARCHAR(wh_task.WarehouseTaskCreationDate) BETWEEN '20230101' AND '20231231'; -- Placeholder: Set your date range

WITH
params AS (
    SELECT
        TO_TIMESTAMP('[Start timestamp]') AS start_ts,
        TO_TIMESTAMP('[End timestamp]') AS end_ts
    FROM DUMMY
),
movement_map AS (
    SELECT '101' AS movement_type, 'Goods Receipt Posted' AS activity_name FROM DUMMY
    UNION ALL SELECT '105', 'Goods Receipt Posted' FROM DUMMY
    UNION ALL SELECT '107', 'Goods Receipt Posted' FROM DUMMY
    UNION ALL SELECT '109', 'Goods Receipt Posted' FROM DUMMY
    UNION ALL SELECT '321', 'Stock Posted to Quality Inspection' FROM DUMMY
    UNION ALL SELECT '322', 'Quality Inspection Stock Released' FROM DUMMY
    UNION ALL SELECT '343', 'Stock Status Changed to Unrestricted' FROM DUMMY
    UNION ALL SELECT '344', 'Stock Status Changed to Blocked' FROM DUMMY
    UNION ALL SELECT '311', 'Internal Stock Transfer Posted' FROM DUMMY
    UNION ALL SELECT '309', 'Internal Stock Transfer Posted' FROM DUMMY
    UNION ALL SELECT '301', 'Internal Stock Transfer Posted' FROM DUMMY
    UNION ALL SELECT '311', 'Put-Away Transfer Posted' FROM DUMMY
    UNION ALL SELECT '309', 'Put-Away Transfer Posted' FROM DUMMY
    UNION ALL SELECT '701', 'Inventory Adjustment Posted' FROM DUMMY
    UNION ALL SELECT '702', 'Inventory Adjustment Posted' FROM DUMMY
    UNION ALL SELECT '703', 'Inventory Adjustment Posted' FROM DUMMY
    UNION ALL SELECT '704', 'Inventory Adjustment Posted' FROM DUMMY
    UNION ALL SELECT '705', 'Inventory Adjustment Posted' FROM DUMMY
    UNION ALL SELECT '706', 'Inventory Adjustment Posted' FROM DUMMY
    UNION ALL SELECT '601', 'Goods Issue for Delivery Posted' FROM DUMMY
    UNION ALL SELECT '602', 'Goods Issue for Delivery Posted' FROM DUMMY
    UNION ALL SELECT '261', 'Goods Issue for Production Posted' FROM DUMMY
    UNION ALL SELECT '262', 'Goods Issue for Production Posted' FROM DUMMY
    UNION ALL SELECT '651', 'Sales Return Received' FROM DUMMY
    UNION ALL SELECT '653', 'Sales Return Received' FROM DUMMY
    UNION ALL SELECT '654', 'Sales Return Received' FROM DUMMY
    UNION ALL SELECT '551', 'Stock Scrapped' FROM DUMMY
    UNION ALL SELECT '552', 'Stock Scrapped' FROM DUMMY
),
matdoc_events AS (
    SELECT
        m.MATNR AS MaterialNumber,
        m.CHARG AS InventoryBatchLot,
        COALESCE(m.BUDAT_MKPF, m.BUDAT) AS EventTime,
        CAST(NULL AS NVARCHAR(80)) AS UserName,
        CAST(m.BWART AS NVARCHAR(3)) AS MovementType,
        m.WERKS AS Plant,
        m.LGORT AS StorageLocation,
        m.MENGE AS Quantity,
        m.GRUND AS MovementReasonCode,
        mm.activity_name AS ActivityName,
        m.MBLNR AS MaterialDocumentNumber,
        m.MJAHR AS MaterialDocumentYear,
        m.ZEILE AS MaterialDocumentItem
    FROM [Your SAP HANA schema].MATDOC m
    INNER JOIN movement_map mm
        ON CAST(m.BWART AS NVARCHAR(3)) = mm.movement_type
    CROSS JOIN params p
    WHERE m.CHARG IS NOT NULL
      AND TRIM(m.CHARG) <> ''
      AND COALESCE(m.BUDAT_MKPF, m.BUDAT) >= p.start_ts
      AND COALESCE(m.BUDAT_MKPF, m.BUDAT) < p.end_ts
      AND m.WERKS IN ([Configure based on your system])
),
batch_enriched_events AS (
    SELECT
        e.InventoryBatchLot,
        e.ActivityName,
        e.EventTime,
        e.MaterialNumber,
        e.UserName,
        e.MovementType,
        e.Plant,
        e.StorageLocation,
        e.Quantity,
        e.MovementReasonCode,
        e.MaterialDocumentNumber,
        e.MaterialDocumentYear,
        e.MaterialDocumentItem,
        c.CUOBJ_BM AS BatchObjectNumber
    FROM matdoc_events e
    LEFT JOIN [Your SAP HANA schema].MCHA c
        ON c.MATNR = e.MaterialNumber
       AND c.CHARG = e.InventoryBatchLot
       AND c.WERKS = e.Plant
),
verified_batch_status_events AS (
    SELECT
        CAST(NULL AS NVARCHAR(40)) AS InventoryBatchLot,
        'Batch Status Changed' AS ActivityName,
        CAST(NULL AS TIMESTAMP) AS EventTime,
        CAST(NULL AS NVARCHAR(40)) AS MaterialNumber,
        CAST(NULL AS NVARCHAR(80)) AS UserName,
        CAST(NULL AS NVARCHAR(3)) AS MovementType,
        CAST(NULL AS NVARCHAR(4)) AS Plant,
        CAST(NULL AS NVARCHAR(4)) AS StorageLocation,
        CAST(NULL AS DECIMAL(31,3)) AS Quantity,
        CAST(NULL AS NVARCHAR(3)) AS MovementReasonCode,
        CAST(NULL AS NVARCHAR(20)) AS MaterialDocumentNumber,
        CAST(NULL AS NVARCHAR(4)) AS MaterialDocumentYear,
        CAST(NULL AS NVARCHAR(6)) AS MaterialDocumentItem,
        CAST(NULL AS NVARCHAR(40)) AS BatchObjectNumber
    FROM DUMMY
    WHERE 1 = 0
),
verified_picking_events AS (
    SELECT
        CAST(NULL AS NVARCHAR(40)) AS InventoryBatchLot,
        'Picking Initiated' AS ActivityName,
        CAST(NULL AS TIMESTAMP) AS EventTime,
        CAST(NULL AS NVARCHAR(40)) AS MaterialNumber,
        CAST(NULL AS NVARCHAR(80)) AS UserName,
        CAST(NULL AS NVARCHAR(3)) AS MovementType,
        CAST(NULL AS NVARCHAR(4)) AS Plant,
        CAST(NULL AS NVARCHAR(4)) AS StorageLocation,
        CAST(NULL AS DECIMAL(31,3)) AS Quantity,
        CAST(NULL AS NVARCHAR(3)) AS MovementReasonCode,
        CAST(NULL AS NVARCHAR(20)) AS MaterialDocumentNumber,
        CAST(NULL AS NVARCHAR(4)) AS MaterialDocumentYear,
        CAST(NULL AS NVARCHAR(6)) AS MaterialDocumentItem,
        CAST(NULL AS NVARCHAR(40)) AS BatchObjectNumber
    FROM DUMMY
    WHERE 1 = 0
),
all_events AS (
    SELECT InventoryBatchLot, ActivityName, EventTime, MaterialNumber, UserName, MovementType, Plant, StorageLocation, Quantity, MovementReasonCode, MaterialDocumentNumber, MaterialDocumentYear, MaterialDocumentItem, BatchObjectNumber FROM batch_enriched_events
    UNION ALL SELECT InventoryBatchLot, ActivityName, EventTime, MaterialNumber, UserName, MovementType, Plant, StorageLocation, Quantity, MovementReasonCode, MaterialDocumentNumber, MaterialDocumentYear, MaterialDocumentItem, BatchObjectNumber FROM verified_batch_status_events
    UNION ALL SELECT InventoryBatchLot, ActivityName, EventTime, MaterialNumber, UserName, MovementType, Plant, StorageLocation, Quantity, MovementReasonCode, MaterialDocumentNumber, MaterialDocumentYear, MaterialDocumentItem, BatchObjectNumber FROM verified_picking_events
)
SELECT
    InventoryBatchLot,
    ActivityName,
    EventTime,
    MaterialNumber,
    UserName,
    MovementType,
    Plant,
    StorageLocation,
    Quantity,
    MovementReasonCode
FROM all_events
WHERE InventoryBatchLot IS NOT NULL
  AND EventTime IS NOT NULL
ORDER BY InventoryBatchLot, EventTime, MaterialDocumentYear, MaterialDocumentNumber, MaterialDocumentItem, ActivityName;

REPORT Z_PM_INVENTORY_EXTRACT.

" ====================================================================
" SELECTION SCREEN
" ====================================================================
SELECT-OPTIONS: s_budat FOR sy-datum OBLIGATORY.
SELECT-OPTIONS: s_werks FOR mseg-werks.

PARAMETERS: p_fpath TYPE string DEFAULT '/usr/sap/trans/tmp/inventory_log.csv' OBLIGATORY.

" ====================================================================
" DATA STRUCTURES
" ====================================================================
TYPES: BEGIN OF ty_event_log,
         InventoryBatchLot  TYPE charg,
         ActivityName       TYPE string,
         EventTime          TYPE string,
         MaterialNumber     TYPE matnr,
         UserName           TYPE xubname,
         MovementType       TYPE bwart,
         Plant              TYPE werks_d,
         StorageLocation    TYPE lgort_d,
         Quantity           TYPE menge_d,
         MovementReasonCode TYPE grund,
       END OF ty_event_log.

DATA: lt_event_log TYPE TABLE OF ty_event_log.

" ====================================================================
" DATA SELECTION
" ====================================================================
START-OF-SELECTION.

  SELECT
      mseg~charg         AS InventoryBatchLot,
      'Goods Receipt Posted' AS ActivityName,
      CONCAT( mkpf~cpudt, mkpf~cputm ) AS EventTime,
      mseg~matnr         AS MaterialNumber,
      mkpf~usnam         AS UserName,
      mseg~bwart         AS MovementType,
      mseg~werks         AS Plant,
      mseg~lgort         AS StorageLocation,
      mseg~menge         AS Quantity,
      mseg~grund         AS MovementReasonCode
    FROM mseg
    JOIN mkpf ON mkpf~mblnr = mseg~mblnr AND mkpf~mjahr = mseg~mjahr
    WHERE mkpf~budat IN s_budat
      AND mseg~werks IN s_werks
      AND mseg~charg IS NOT NULL AND mseg~charg <> ''
      AND mseg~bwart IN ('101', '103', '105', '501', '521', '561')
  UNION ALL
  SELECT
      mseg~charg         AS InventoryBatchLot,
      CASE mseg~shkzg
        WHEN 'H' THEN 'Stock Posted to Quality Inspection'
        WHEN 'S' THEN 'Quality Inspection Stock Released'
      END                AS ActivityName,
      CONCAT( mkpf~cpudt, mkpf~cputm ) AS EventTime,
      mseg~matnr         AS MaterialNumber,
      mkpf~usnam         AS UserName,
      mseg~bwart         AS MovementType,
      mseg~werks         AS Plant,
      mseg~lgort         AS StorageLocation,
      mseg~menge         AS Quantity,
      mseg~grund         AS MovementReasonCode
    FROM mseg
    JOIN mkpf ON mkpf~mblnr = mseg~mblnr AND mkpf~mjahr = mseg~mjahr
    WHERE mkpf~budat IN s_budat
      AND mseg~werks IN s_werks
      AND mseg~charg IS NOT NULL AND mseg~charg <> ''
      AND mseg~bwart = '321' " For QI to Unrestricted
  UNION ALL
  SELECT
      mseg~charg         AS InventoryBatchLot,
      'Put-Away Transfer Posted' AS ActivityName,
      CONCAT( mkpf~cpudt, mkpf~cputm ) AS EventTime,
      mseg~matnr         AS MaterialNumber,
      mkpf~usnam         AS UserName,
      mseg~bwart         AS MovementType,
      mseg~werks         AS Plant,
      mseg~lgort         AS StorageLocation,
      mseg~menge         AS Quantity,
      mseg~grund         AS MovementReasonCode
    FROM mseg
    JOIN mkpf ON mkpf~mblnr = mseg~mblnr AND mkpf~mjahr = mseg~mjahr
    WHERE mkpf~budat IN s_budat
      AND mseg~werks IN s_werks
      AND mseg~charg IS NOT NULL AND mseg~charg <> ''
      AND mseg~bwart = '311' AND mseg~shkzg = 'H' " Assume put-away is the credit side
  UNION ALL
  SELECT
      mseg~charg         AS InventoryBatchLot,
      'Internal Stock Transfer Posted' AS ActivityName,
      CONCAT( mkpf~cpudt, mkpf~cputm ) AS EventTime,
      mseg~matnr         AS MaterialNumber,
      mkpf~usnam         AS UserName,
      mseg~bwart         AS MovementType,
      mseg~werks         AS Plant,
      mseg~lgort         AS StorageLocation,
      mseg~menge         AS Quantity,
      mseg~grund         AS MovementReasonCode
    FROM mseg
    JOIN mkpf ON mkpf~mblnr = mseg~mblnr AND mkpf~mjahr = mseg~mjahr
    WHERE mkpf~budat IN s_budat
      AND mseg~werks IN s_werks
      AND mseg~charg IS NOT NULL AND mseg~charg <> ''
      AND mseg~bwart IN ('301', '311', '313', '315')
  UNION ALL
  SELECT
      mseg~charg         AS InventoryBatchLot,
      CASE mseg~bwart
        WHEN '343' THEN 'Stock Status Changed to Blocked'
        WHEN '344' THEN 'Stock Status Changed to Unrestricted'
      END                AS ActivityName,
      CONCAT( mkpf~cpudt, mkpf~cputm ) AS EventTime,
      mseg~matnr         AS MaterialNumber,
      mkpf~usnam         AS UserName,
      mseg~bwart         AS MovementType,
      mseg~werks         AS Plant,
      mseg~lgort         AS StorageLocation,
      mseg~menge         AS Quantity,
      mseg~grund         AS MovementReasonCode
    FROM mseg
    JOIN mkpf ON mkpf~mblnr = mseg~mblnr AND mkpf~mjahr = mseg~mjahr
    WHERE mkpf~budat IN s_budat
      AND mseg~werks IN s_werks
      AND mseg~charg IS NOT NULL AND mseg~charg <> ''
      AND mseg~bwart IN ('343', '344')
  UNION ALL
  SELECT
      mseg~charg         AS InventoryBatchLot,
      'Inventory Adjustment Posted' AS ActivityName,
      CONCAT( mkpf~cpudt, mkpf~cputm ) AS EventTime,
      mseg~matnr         AS MaterialNumber,
      mkpf~usnam         AS UserName,
      mseg~bwart         AS MovementType,
      mseg~werks         AS Plant,
      mseg~lgort         AS StorageLocation,
      mseg~menge         AS Quantity,
      mseg~grund         AS MovementReasonCode
    FROM mseg
    JOIN mkpf ON mkpf~mblnr = mseg~mblnr AND mkpf~mjahr = mseg~mjahr
    WHERE mkpf~budat IN s_budat
      AND mseg~werks IN s_werks
      AND mseg~charg IS NOT NULL AND mseg~charg <> ''
      AND mseg~bwart IN ('701', '702', '711', '712')
  UNION ALL
  SELECT
      mseg~charg         AS InventoryBatchLot,
      'Goods Issue for Delivery Posted' AS ActivityName,
      CONCAT( mkpf~cpudt, mkpf~cputm ) AS EventTime,
      mseg~matnr         AS MaterialNumber,
      mkpf~usnam         AS UserName,
      mseg~bwart         AS MovementType,
      mseg~werks         AS Plant,
      mseg~lgort         AS StorageLocation,
      mseg~menge         AS Quantity,
      mseg~grund         AS MovementReasonCode
    FROM mseg
    JOIN mkpf ON mkpf~mblnr = mseg~mblnr AND mkpf~mjahr = mseg~mjahr
    WHERE mkpf~budat IN s_budat
      AND mseg~werks IN s_werks
      AND mseg~charg IS NOT NULL AND mseg~charg <> ''
      AND mseg~bwart = '601'
  UNION ALL
  SELECT
      mseg~charg         AS InventoryBatchLot,
      'Goods Issue for Production Posted' AS ActivityName,
      CONCAT( mkpf~cpudt, mkpf~cputm ) AS EventTime,
      mseg~matnr         AS MaterialNumber,
      mkpf~usnam         AS UserName,
      mseg~bwart         AS MovementType,
      mseg~werks         AS Plant,
      mseg~lgort         AS StorageLocation,
      mseg~menge         AS Quantity,
      mseg~grund         AS MovementReasonCode
    FROM mseg
    JOIN mkpf ON mkpf~mblnr = mseg~mblnr AND mkpf~mjahr = mseg~mjahr
    WHERE mkpf~budat IN s_budat
      AND mseg~werks IN s_werks
      AND mseg~charg IS NOT NULL AND mseg~charg <> ''
      AND mseg~bwart = '261'
  UNION ALL
  SELECT
      mseg~charg         AS InventoryBatchLot,
      'Sales Return Received' AS ActivityName,
      CONCAT( mkpf~cpudt, mkpf~cputm ) AS EventTime,
      mseg~matnr         AS MaterialNumber,
      mkpf~usnam         AS UserName,
      mseg~bwart         AS MovementType,
      mseg~werks         AS Plant,
      mseg~lgort         AS StorageLocation,
      mseg~menge         AS Quantity,
      mseg~grund         AS MovementReasonCode
    FROM mseg
    JOIN mkpf ON mkpf~mblnr = mseg~mblnr AND mkpf~mjahr = mseg~mjahr
    WHERE mkpf~budat IN s_budat
      AND mseg~werks IN s_werks
      AND mseg~charg IS NOT NULL AND mseg~charg <> ''
      AND mseg~bwart IN ('651', '653')
  UNION ALL
  SELECT
      mseg~charg         AS InventoryBatchLot,
      'Stock Scrapped'   AS ActivityName,
      CONCAT( mkpf~cpudt, mkpf~cputm ) AS EventTime,
      mseg~matnr         AS MaterialNumber,
      mkpf~usnam         AS UserName,
      mseg~bwart         AS MovementType,
      mseg~werks         AS Plant,
      mseg~lgort         AS StorageLocation,
      mseg~menge         AS Quantity,
      mseg~grund         AS MovementReasonCode
    FROM mseg
    JOIN mkpf ON mkpf~mblnr = mseg~mblnr AND mkpf~mjahr = mseg~mjahr
    WHERE mkpf~budat IN s_budat
      AND mseg~werks IN s_werks
      AND mseg~charg IS NOT NULL AND mseg~charg <> ''
      AND mseg~bwart = '551'
  UNION ALL
  SELECT
      ltap~charg         AS InventoryBatchLot,
      'Picking Initiated' AS ActivityName,
      CONCAT( ltak~bdatu, ltak~bzeit ) AS EventTime,
      ltap~matnr         AS MaterialNumber,
      ltak~bname         AS UserName,
      ltak~bwart         AS MovementType,
      ltap~werks         AS Plant,
      ltap~lgort         AS StorageLocation,
      ltap~nista         AS Quantity,
      ''                 AS MovementReasonCode
    FROM ltap
    JOIN ltak ON ltak~tanum = ltap~tanum
    WHERE ltak~bdatu IN s_budat
      AND ltap~werks IN s_werks
      AND ltap~charg IS NOT NULL AND ltap~charg <> ''
  UNION ALL
  SELECT
      SUBSTRING( cdhdr~objectid, 5, 18 ) AS InventoryBatchLot, " Object ID for BATCH is MATNR+WERKS+CHARG
      'Batch Status Changed'              AS ActivityName,
      CONCAT( cdhdr~udate, cdhdr~utime )  AS EventTime,
      SUBSTRING( cdhdr~objectid, 1, 4 )   AS MaterialNumber,
      cdhdr~username                      AS UserName,
      ''                                  AS MovementType,
      ''                                  AS Plant,
      ''                                  AS StorageLocation,
      0                                   AS Quantity,
      ''                                  AS MovementReasonCode
    FROM cdhdr
    JOIN cdpos ON cdpos~objectclas = cdhdr~objectclas
               AND cdpos~objectid   = cdhdr~objectid
               AND cdpos~changenr   = cdhdr~changenr
    WHERE cdhdr~udate IN s_budat
      AND cdhdr~objectclas = 'BATCH'
      AND cdpos~tabname = 'MCH1'
      AND cdpos~fname = 'ZUSTD'
    INTO TABLE @lt_event_log.

" ====================================================================
" WRITE OUTPUT FILE
" ====================================================================
  DATA: lv_string TYPE string.
  DATA: lo_conv TYPE REF TO cl_abap_conv_out_ce.

  lo_conv = cl_abap_conv_out_ce=>create( encoding = 'UTF-8' ).

  OPEN DATASET p_fpath FOR OUTPUT IN TEXT MODE ENCODING UTF-8.
  IF sy-subrc <> 0.
    MESSAGE 'Error opening file.' TYPE 'E'.
    RETURN.
  ENDIF.

  " Write Header
  lv_string = 'InventoryBatchLot,ActivityName,EventTime,MaterialNumber,UserName,MovementType,Plant,StorageLocation,Quantity,MovementReasonCode'.
  TRANSFER lv_string TO p_fpath.

  " Write Data
  LOOP AT lt_event_log ASSIGNING FIELD-SYMBOL(<fs_log>).
    CONCATENATE
      <fs_log>-InventoryBatchLot
      <fs_log>-ActivityName
      <fs_log>-EventTime
      <fs_log>-MaterialNumber
      <fs_log>-UserName
      <fs_log>-MovementType
      <fs_log>-Plant
      <fs_log>-StorageLocation
      <fs_log>-Quantity
      <fs_log>-MovementReasonCode
      INTO lv_string
      SEPARATED BY ','.
    TRANSFER lv_string TO p_fpath.
  ENDLOOP.

  CLOSE DATASET p_fpath.

  WRITE: 'Extraction complete. File written to:', p_fpath.