Updating

2026-04-27 10:50:07 -05:00
parent 8b528fa00b
commit b5edd55420
141 changed files with 9602 additions and 0 deletions
@@ -0,0 +1,119 @@
+using System;
+using System.IO;
+using System.Linq;
+using Serilog;
+using DocumentFormat.OpenXml.Packaging;
+using DocumentFormat.OpenXml.Spreadsheet;
+using LCU.Library.Internal.Exceptions;
+using LCU.Library.Internal.FileOperationsModels.Models.ExcelModels.Responses;
+using LCU.Library.Internal.FileOperationsModels.Models.ExcelModels.Requests;
+
+namespace LCU.Api.Internal.FileOperations.Services.ExcelServices;
+
+public class ExcelService : IExcelService
+{
+    public ExcelDataResponse ExtractExcelWorkBookData(ExcelDataRequest excelDataRequest)
+    {
+        var excelDataResponse = new ExcelDataResponse();
+        try
+        {
+            var fileBytes = Convert.FromBase64String(excelDataRequest.FileContent);
+            using var memoryStream = new MemoryStream(fileBytes);
+            
+            using SpreadsheetDocument spreadsheetDocument = SpreadsheetDocument.Open(memoryStream, false);
+            WorkbookPart workbookPart = spreadsheetDocument.WorkbookPart;
+            Workbook workbook = workbookPart.Workbook;
+            foreach (Sheet sheet in workbook.GetFirstChild<Sheets>().Elements<Sheet>())
+            {
+                SheetRequest sheetRequest = null;
+                if (excelDataRequest.SkipSheetForExtraction(sheet.Name, out sheetRequest))
+                {
+                    continue;
+                }
+
+                var sheetResponse = new SheetResponse(sheet.Name);
+                var worksheetPart = (WorksheetPart)workbookPart.GetPartById(sheet.Id);
+                var sheetData = worksheetPart.Worksheet.Elements<SheetData>().FirstOrDefault();
+                if (sheetData == null)
+                {
+                    Log.Information($"Sheet named {sheet.Name} does not have any sheet data.");
+                    continue;
+                }
+
+                sheetResponse = ExtractRowData(sheetData, sheetRequest, sheetResponse);
+                excelDataResponse.WorkBook.SheetResponses.Add(sheetResponse);
+            }
+
+            return excelDataResponse;
+        }
+        catch (Exception exception)
+        {
+            var message = $"Failure during ExtractExcelWorkBookData. Exception Message: {exception.Message}";
+            Log.Error(message, exception);
+            throw new ServiceException(message);
+        }
+    }
+
+    private SheetResponse ExtractRowData(SheetData sheetData, SheetRequest sheetRequest, SheetResponse sheetResponse)
+    {
+        foreach (var row in sheetData.Elements<Row>())
+        {
+            if (!int.TryParse(row.RowIndex, out int rowIndex))
+            {
+                continue;
+            }
+
+            if (sheetRequest.SkipRowForExtraction(rowIndex))
+            {
+                continue;
+            }
+
+            sheetResponse = ExtractCellData(row, rowIndex, sheetRequest, sheetResponse);
+        }
+
+        return sheetResponse;
+    }
+
+    private SheetResponse ExtractCellData(Row row, int rowIndex, SheetRequest sheetRequest, SheetResponse sheetResponse)
+    {
+        foreach (var cell in row.Elements<Cell>())
+        {
+            var columnName = GetColumnName(cell.CellReference);
+            if (sheetRequest.SkipColumnForExtraction(columnName))
+            {
+                continue;
+            }
+
+            if(cell is null || cell.CellValue is null)
+            {
+                continue;
+            }
+
+            var cellResponse = new CellResponse()
+            {
+                Row = rowIndex,
+                ColumnName = columnName,
+                Value = cell.CellValue.InnerText,
+                Formula = cell.CellFormula is null ? string.Empty : cell.CellFormula.InnerText
+            };
+            sheetResponse.CellResponses.Add(cellResponse);
+        }
+
+        return sheetResponse;
+    }
+
+    private static string GetColumnName(string cellReference)
+    {
+        string columnName = "";
+        foreach (char character in cellReference)
+        {
+            if (!char.IsLetter(character))
+            {
+                break;
+            }
+
+            columnName += character;
+        }
+        return columnName;
+    }
+}
@@ -0,0 +1,9 @@
+using LCU.Library.Internal.FileOperationsModels.Models.ExcelModels.Requests;
+using LCU.Library.Internal.FileOperationsModels.Models.ExcelModels.Responses;
+
+namespace LCU.Api.Internal.FileOperations.Services.ExcelServices;
+
+public interface IExcelService
+{
+    ExcelDataResponse ExtractExcelWorkBookData(ExcelDataRequest excelDataRequest);
+}