src/Newdtek.Master.Application/Logging/WebLogAppService.cs

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using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Linq; 
using Abp.Authorization; 
using Newdtek.Corpsite.Dto; 
using Newdtek.Corpsite.Logging.Dto; 
using Newdtek.Master;
using Newdtek.Master.Authorization;
using Newdtek.Master.Net.MimeTypes;

namespace Newdtek.Master.Logging
{
    //[AbpAuthorize(PermissionNames.Pages_WebLogs)]
    public class WebLogAppService : MasterAppServiceBase, IWebLogAppService
    {
        private readonly IAppFolders _appFolders;
        private readonly ITempFileCacheManager _tempFileCacheManager;

        public WebLogAppService(IAppFolders appFolders, ITempFileCacheManager tempFileCacheManager)
        {
            _appFolders = appFolders;
            _tempFileCacheManager = tempFileCacheManager;
        }

        public GetLatestWebLogsOutput GetLatestWebLogs()
        {
            var directory = new DirectoryInfo(_appFolders.WebLogsFolder);
            if (!directory.Exists)
            {
                return new GetLatestWebLogsOutput { LatestWebLogLines = new List<string>() };
            }

            var lastLogFile = directory.GetFiles("*.txt", SearchOption.AllDirectories)
                                        .OrderByDescending(f => f.LastWriteTime)
                                        .FirstOrDefault();

            if (lastLogFile == null)
            {
                return new GetLatestWebLogsOutput();
            }

            var lines = AppFileHelper.ReadLines(lastLogFile.FullName).Reverse().Take(1000).ToList();
            var logLineCount = 0;
            var lineCount = 0;

            foreach (var line in lines)
            {
                if (line.StartsWith("DEBUG") ||
                    line.StartsWith("INFO") ||
                    line.StartsWith("WARN") ||
                    line.StartsWith("ERROR") ||
                    line.StartsWith("FATAL"))
                {
                    logLineCount++;
                }

                lineCount++;

                if (logLineCount == 100)