fix-bug nullreference

zhangyuekai

2024-08-10 a18b907beff8b21fb4c9d6fb72678ac5e9f7b80d

 HStation.RevitDev/RevitDataExport/Utility/CacheUtil.cs

@@ -1,70 +1,97 @@
using Autodesk.Revit.DB;
using HStation.RevitDev.RevitDataExport.Entity;
using System.IO;
using System.Linq;

namespace HStation.RevitDev.RevitDataExport.Utility
{
    public class CacheUtil
    {
        public static void ReadCache(Document doc)
        {
            var filePath = doc.PathName;
            var cache = File.ReadAllText(Common.GlobalResource.ConfigFilePath);
            if (string.IsNullOrEmpty(cache)) { return; }

            Records records = Newtonsoft.Json.JsonConvert.DeserializeObject<Records>(cache);
            if (records == null || records.ConfigRecords == null || records.ConfigRecords.Count == 0) { return; }

            ConfigRecord record = records.ConfigRecords.Where(x => x.FilePath == filePath)?.FirstOrDefault();
            if (record != null)
            {
                Common.GlobalResource.RevitModels = record.Record;
            }
        }

        public static void SaveCache(Document doc)
        {
            Common.GlobalResource.LastFilePath = doc.PathName;

            ExportModelHelper exportModelHelper = new ExportModelHelper(doc);
            var revitJson = exportModelHelper.Export();

            var dir = Path.GetDirectoryName(Common.GlobalResource.ExportFilePath);
            if (!Directory.Exists(dir))
            {
                Directory.CreateDirectory(dir);
            }

            if (File.Exists(Common.GlobalResource.ExportFilePath))
            {
                File.Delete(Common.GlobalResource.ExportFilePath);
            }

            File.WriteAllText(Common.GlobalResource.ExportFilePath, revitJson);
            var record = new ConfigRecord
            {
                FilePath = Common.GlobalResource.LastFilePath,
                Record = Common.GlobalResource.RevitModels
            };
            var cache = File.ReadAllText(Common.GlobalResource.ConfigFilePath);
            Records records = new Records();
            if (!string.IsNullOrEmpty(cache))
            {
                records = Newtonsoft.Json.JsonConvert.DeserializeObject<Records>(cache);
            }
            var configRecord = records.ConfigRecords?.Where(x => x.FilePath == doc.PathName)?.FirstOrDefault();
            if (configRecord == null)
            {
                records.ConfigRecords.Add(record);
            }
            else
            {
                configRecord = record;
            }

            var config = Newtonsoft.Json.JsonConvert.SerializeObject(records);
            File.WriteAllText(Common.GlobalResource.ConfigFilePath, config);
        }
    }
}
using Autodesk.Revit.DB;

using HStation.RevitDev.RevitDataExport.Common;

using HStation.RevitDev.RevitDataExport.Entity;

using System;

using System.IO;

using System.Linq;



namespace HStation.RevitDev.RevitDataExport.Utility

{

    public class CacheUtil

    {

        public static void InitCache(Document doc)

        {

            var filePath = doc.PathName;

            var cache = File.ReadAllText(GlobalResource.RecordFilePath);

            if (string.IsNullOrEmpty(cache)) { return; }



            Records records = Newtonsoft.Json.JsonConvert.DeserializeObject<Records>(cache);

            if (records == null || records.ConfigRecords == null || records.ConfigRecords.Count == 0) { return; }



            ConfigRecord record = records.ConfigRecords.Where(x => x.FilePath == filePath)?.FirstOrDefault();

            if (record != null)

            {

                GlobalResource.RevitModels = record.Record;

            }

        }



        public static void SaveCache(Document doc)

        {

            GlobalResource.LastFilePath = doc.PathName;



            ExportModelHelper exportModelHelper = new ExportModelHelper(doc);

            var revitJson = exportModelHelper.Export();



            var dir = Path.GetDirectoryName(GlobalResource.ExportFilePath);

            if (!Directory.Exists(dir))

            {

                Directory.CreateDirectory(dir);

            }



            if (File.Exists(GlobalResource.ExportFilePath))

            {

                File.Delete(GlobalResource.ExportFilePath);

            }



            File.WriteAllText(GlobalResource.ExportFilePath, revitJson);

            var record = new ConfigRecord

            {

                FilePath = GlobalResource.LastFilePath,

                Record = GlobalResource.RevitModels

            };

            var cache = File.ReadAllText(GlobalResource.RecordFilePath);

            Records records = new Records();

            if (!string.IsNullOrEmpty(cache))

            {

                records = Newtonsoft.Json.JsonConvert.DeserializeObject<Records>(cache);

            }

            var configRecord = records.ConfigRecords?.Where(x => x.FilePath == doc.PathName)?.FirstOrDefault();

            if (configRecord == null)

            {

                records.ConfigRecords.Add(record);

            }

            else

            {

                configRecord = record;

            }



            var config = Newtonsoft.Json.JsonConvert.SerializeObject(records);

            File.WriteAllText(GlobalResource.RecordFilePath, config);

        }



        public static void HideOrShowModels(Document document)

        {

            if (document == null) { return; }



            var ids = GlobalResource.RevitModels.GetIds()?.Select(x => new ElementId(int.Parse(x))).ToList();

            if (ids.Count == 0)

            {

                return;

            }

            GlobalResource.HideMode = !GlobalResource.HideMode;

            using (Transaction trans = new Transaction(document, "hide elements"))

            {

                trans.Start();

                if (GlobalResource.HideMode)

                {

                    document.ActiveView.HideElements(ids);

                }

                else

                {

                    document.ActiveView.UnhideElements(ids);

                }

                trans.Commit();

            }

        }

    }

}