Import chip virgens tables side by side

Controllers/LinesController.cs

@@ -1346,48 +1346,75 @@ namespace line_gestao_api.Controllers
 
             if (ws == null) return;
 
-            var headerRow = ws.RowsUsed().FirstOrDefault(r => r.CellsUsed().Any(c => NormalizeHeader(c.GetString()) == "ITEM"));
+            var headers = ws.RowsUsed()
-            if (headerRow == null) return;
+                .Where(IsChipsVirgensHeader)
-
+                .OrderBy(r => r.RowNumber())
-            var map = BuildHeaderMap(headerRow);
+                .ToList();
-            int colItem = GetCol(map, "ITEM");
+            if (headers.Count == 0) return;
-            if (colItem == 0) return;
-
-            var startRow = headerRow.RowNumber() + 1;
-            var lastRow = ws.LastRowUsed()?.RowNumber() ?? startRow;
 
             await _db.ChipVirgemLines.ExecuteDeleteAsync();
 
             var buffer = new List<ChipVirgemLine>(500);
+            var lastRow = ws.LastRowUsed()?.RowNumber() ?? 1;
 
-            for (int r = startRow; r <= lastRow; r++)
+            for (int i = 0; i < headers.Count; i++)
             {
-                var itemStr = GetCellString(ws, r, colItem);
+                var headerRow = headers[i];
-                if (string.IsNullOrWhiteSpace(itemStr)) break;
+                var itemColumns = headerRow.CellsUsed()
+                    .Where(c => NormalizeHeader(c.GetString()) == "ITEM")
+                    .Select(c => c.Address.ColumnNumber)
+                    .OrderBy(c => c)
+                    .ToList();
+                if (itemColumns.Count == 0) continue;
 
-                var numeroChip = NullIfEmptyDigits(GetCellByHeaderAny(ws, r, map,
+                var startRow = headerRow.RowNumber() + 1;
-                    "Nº DO CHIP", "N° DO CHIP", "NUMERO DO CHIP", "N DO CHIP", "NUM. DO CHIP"));
+                var endRow = i + 1 < headers.Count ? headers[i + 1].RowNumber() - 1 : lastRow;
-                var observacoes = GetCellByHeaderAny(ws, r, map, "OBSERVAÇÕES", "OBSERVACOES", "OBS");
 
-                var now = DateTime.UtcNow;
+                for (int tableIndex = 0; tableIndex < itemColumns.Count; tableIndex++)
-
-                var e = new ChipVirgemLine
                 {
-                    Id = Guid.NewGuid(),
+                    var startCol = itemColumns[tableIndex];
-                    Item = TryInt(itemStr),
+                    var endCol = tableIndex + 1 < itemColumns.Count
-                    NumeroDoChip = numeroChip,
+                        ? itemColumns[tableIndex + 1] - 1
-                    Observacoes = string.IsNullOrWhiteSpace(observacoes) ? null : observacoes.Trim(),
+                        : headerRow.LastCellUsed()?.Address.ColumnNumber ?? startCol;
-                    CreatedAt = now,
-                    UpdatedAt = now
-                };
 
-                buffer.Add(e);
+                    var map = BuildHeaderMapRange(headerRow, startCol, endCol);
+                    int colItem = GetCol(map, "ITEM");
+                    if (colItem == 0) continue;
 
-                if (buffer.Count >= 500)
+                    for (int r = startRow; r <= endRow; r++)
-                {
+                    {
-                    await _db.ChipVirgemLines.AddRangeAsync(buffer);
+                        var itemStr = GetCellString(ws, r, colItem);
-                    await _db.SaveChangesAsync();
+                        if (string.IsNullOrWhiteSpace(itemStr)) continue;
-                    buffer.Clear();
+
+                        var numeroChip = NullIfEmptyDigits(GetCellByHeaderAny(ws, r, map,
+                            "Nº DO CHIP", "N° DO CHIP", "NUMERO DO CHIP", "N DO CHIP", "NUM. DO CHIP"));
+                        var observacoes = GetCellByHeaderAny(ws, r, map, "OBSERVAÇÕES", "OBSERVACOES", "OBS");
+                        if (string.IsNullOrWhiteSpace(numeroChip) && string.IsNullOrWhiteSpace(observacoes))
+                        {
+                            continue;
+                        }
+
+                        var now = DateTime.UtcNow;
+
+                        var e = new ChipVirgemLine
+                        {
+                            Id = Guid.NewGuid(),
+                            Item = TryInt(itemStr),
+                            NumeroDoChip = numeroChip,
+                            Observacoes = string.IsNullOrWhiteSpace(observacoes) ? null : observacoes.Trim(),
+                            CreatedAt = now,
+                            UpdatedAt = now
+                        };
+
+                        buffer.Add(e);
+
+                        if (buffer.Count >= 500)
+                        {
+                            await _db.ChipVirgemLines.AddRangeAsync(buffer);
+                            await _db.SaveChangesAsync();
+                            buffer.Clear();
+                        }
+                    }
                 }
             }
 
@@ -1590,6 +1617,21 @@ namespace line_gestao_api.Controllers
             return false;
         }
 
+        private static bool IsChipsVirgensHeader(IXLRow row)
+        {
+            var hasItem = false;
+            var hasNumeroChip = false;
+
+            foreach (var cell in row.CellsUsed())
+            {
+                var k = NormalizeHeader(cell.GetString());
+                if (k == "ITEM") hasItem = true;
+                if (k.Contains("CHIP")) hasNumeroChip = true;
+            }
+
+            return hasItem && hasNumeroChip;
+        }
+
         // ==========================================================
         // HELPERS (SEUS)
         // ==========================================================
@@ -1605,6 +1647,21 @@ namespace line_gestao_api.Controllers
             return map;
         }
 
+        private static Dictionary<string, int> BuildHeaderMapRange(IXLRow headerRow, int startCol, int endCol)
+        {
+            var map = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase);
+            foreach (var cell in headerRow.CellsUsed())
+            {
+                var col = cell.Address.ColumnNumber;
+                if (col < startCol || col > endCol) continue;
+
+                var k = NormalizeHeader(cell.GetString());
+                if (!string.IsNullOrWhiteSpace(k) && !map.ContainsKey(k))
+                    map[k] = col;
+            }
+            return map;
+        }
+
         private static DateTime? ToUtc(DateTime? dt)
         {
             if (dt == null) return null;