src/ZKEACMS/Common/Service/TemplateService.cs

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/* http://www.zkea.net/ 
 * Copyright (c) ZKEASOFT. All rights reserved. 
 * http://www.zkea.net/licenses */

using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using System.IO;
using ZKEACMS.Theme;
using ZKEACMS.Extend;
using Easy.Extend;
using ZKEACMS.Common.Models;
using Microsoft.AspNetCore.Hosting;
using Easy.RepositoryPattern;
using Easy.Cache;
using System.IO.Compression;

namespace ZKEACMS.Common.Service
{
    public class TemplateService : ITemplateService
    {
        protected readonly IThemeService _themeService;
        protected readonly IWebHostEnvironment _webHostEnvironment;
        private const string _themeFolderName = "themes";
        private const string _viewFolderName = "Views";
        private const string _viewImportsFileName = "_ViewImports.cshtml";
        private readonly string _templateFilesCacheKey = "TemplateFilesCacheKey";
        private readonly ICacheManager<List<TemplateFile>> _cacheMgr;
        public TemplateService(IWebHostEnvironment hostingEnvironment, IThemeService themeService, ICacheManager<List<TemplateFile>> cacheManager)
        {
            _webHostEnvironment = hostingEnvironment;
            _themeService = themeService;
            _cacheMgr = cacheManager;
        }
        public virtual string[] GetAvailableTemplates()
        {
            List<string> templates = new List<string>();
            using (ZipArchive archive = ZipFile.OpenRead(Path.Combine(_webHostEnvironment.ContentRootPath, "Templates.zip")))
            {
                foreach (ZipArchiveEntry entry in archive.Entries)
                {
                    int index = entry.Name.LastIndexOf('.');
                    templates.Add(entry.Name.Substring(0, index));
                }
            }
            return templates.OrderBy(m => m).ToArray();
        }
        public virtual List<string> GetThemeNames()
        {
            List<string> list = new List<string>();
            var themes = _themeService.GetAllThemes();
            if (themes != null && themes.Count() > 0)
            {
                foreach (var item in themes)
                {
                    string path = _webHostEnvironment.MapWebRootPath(_themeFolderName, item.ID);
                    if (ExtFile.ExistDirectory(path))
                    {
                        list.Add(item.ID);