DepartmentProject/DepartmentPortal/Common/ToolsOffice/Implements/WordOpenXML/BuilderWordDocumentOpenXML.cs

using DocumentFormat.OpenXml;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Wordprocessing;
using System.IO;
using ToolsOffice.Implements.WordOpenXML.Extensions;
using ToolsOffice.Interfaces.Word;
using ToolsOffice.Interfaces.Word.Models;

namespace ToolsOffice.Implements.WordOpenXML
{
    public class BuilderWordDocumentOpenXML : BuilderWordDocument
    {
        private WordprocessingDocument _wordDocument;

        private Body _docBody;

        private MemoryStream _memoryStream;

        public override void CreateDocument(ModelWordDocument model)
        {
            _memoryStream = new MemoryStream();
            _wordDocument = WordprocessingDocument.Create(_memoryStream, WordprocessingDocumentType.Document);
            var mainPart = _wordDocument.AddMainDocumentPart();
            mainPart.Document = new Document();
            _docBody = mainPart.Document.AppendChild(new Body());
        }

        public override void CreateParagraph(ModelWordParagraph model)
        {
            _docBody.AddParagraph(model);
        }

        public override void CreateTable(ModelWordTable model)
        {
            _docBody.AddTable(model);
        }

        public override Stream SaveDocument(ModelWordDocument info)
        {
            _docBody.AddSectionProperties(info);
            _wordDocument.MainDocumentPart.Document.Save();
            _wordDocument.Close();
            return _memoryStream;
        }
    }
}