using MoonExp.Models;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Web;
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namespace MoonExp.cs
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{
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public class ExportUtil
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{
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/// <summary>
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/// 最大文件数
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/// </summary>
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public const int MaxFileCount = 2000;
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private static string sourcesPath;
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/// <summary>
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/// 获取资源目录
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/// </summary>
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public static string SourcesPath
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{
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get
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{
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if (string.IsNullOrEmpty(sourcesPath))
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{
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sourcesPath = Path.Combine(Tools.BaseDir, "Sources");
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}
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return sourcesPath;
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}
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}
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private static string pyFile;
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/// <summary>
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/// 获取Python文件
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/// </summary>
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public static string PyFile
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{
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get
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{
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if (string.IsNullOrWhiteSpace(pyFile))
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{
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pyFile = Path.Combine(SourcesPath, "render.py");
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}
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return pyFile;
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}
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}
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/// <summary>
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/// 获取上期字符串
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/// </summary>
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public static string DateStr
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{
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get
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{
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return DateTime.Now.ToString("yyyyMMddHHmmss");
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}
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}
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/// <summary>
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/// 获取下载目录
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/// </summary>
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public static string DownloadFolder
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{
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get
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{
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return ConfigurationManager.AppSettings["downloadFolder"];
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}
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}
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/// <summary>
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/// 后台服务地址
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/// </summary>
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public static string MoonServer
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{
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get
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{
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return ConfigurationManager.AppSettings["moonServer"];
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}
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}
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/// <summary>
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/// 获取出图子目录
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/// </summary>
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public static string GetExportSubFolder()
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{
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string root = DownloadFolder;
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if (!Directory.Exists(root))
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{
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Directory.CreateDirectory(root);
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}
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int i = 1;
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while (true)
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{
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string subFolder = Path.Combine(root, i.ToString());
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if (!Directory.Exists(subFolder))
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{
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Directory.CreateDirectory(subFolder);
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break;
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}
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DirectoryInfo dir = new DirectoryInfo(subFolder);
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FileInfo[] files = dir.GetFiles();
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if (files == null || files.Length < MaxFileCount)
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{
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break;
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}
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i++;
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}
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return i.ToString();
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}
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/// <summary>
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/// 生成
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/// </summary>
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/// <param name="args">出图参数</param>
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/// <param name="err">错误信息</param>
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/// <returns>图片路径</returns>
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public static string Generate(ExportArgs args, ref string err)
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{
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string date = DateStr;
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string sub = GetExportSubFolder();
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string qgz = "Test.qgz";
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args.imgPath = sub + "\\" + date + ".png";
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args.qpt = date + ".qpt";
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args.SetDefault();
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CreateTemplate(args);
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string cmd = string.Format("python \"{0}\" -qgz {1} -qpt {2}", PyFile, qgz, args.qpt);
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err = Tools.ExecCmd(cmd, true, true);
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string qptFile = Path.Combine(SourcesPath, args.qpt);
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if (File.Exists(qptFile)) File.Delete(qptFile);
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string imgPath = Path.Combine(DownloadFolder, args.imgPath);
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bool flag = File.Exists(imgPath);
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return flag ? args.imgPath : null;
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}
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/// <summary>
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/// 转换为XYZ参数
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/// </summary>
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private static XYZArgs ToXYZArgs(ExportArgs ea)
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{
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XYZArgs args = new XYZArgs();
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args.name = ea.title;
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args.ids = new List<int>();
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args.depcode = null;
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args.dircode = null;
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args.userId = Tools.SelectUserIdByToken(ea.token);
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return args;
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}
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/// <summary>
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/// 创建模板
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/// </summary>
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/// <param name="args">出图参数</param>
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public static void CreateTemplate(ExportArgs args)
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{
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string imgPath = Path.Combine(DownloadFolder, args.imgPath);
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string templateFile = Path.Combine(SourcesPath, "Template.qpt");
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string qptFile = Path.Combine(SourcesPath, args.qpt);
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LogOut.Info("imgPath = " + imgPath + ", tempFile = " + templateFile + ", qptFile = " + qptFile);
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string xml = File.ReadAllText(templateFile);
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xml = xml
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.Replace("{dpi}", args.dpi.ToString())
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.Replace("{title}", args.title)
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.Replace("{sourcesPath}", SourcesPath)
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.Replace("{rotation}", args.rotation.ToString())
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.Replace("{xmin}", args.xmin.ToString())
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.Replace("{ymin}", args.ymin.ToString())
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.Replace("{ymax}", args.ymax.ToString())
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.Replace("{xmax}", args.xmax.ToString())
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.Replace("{province}", args.province)
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.Replace("{scale}", args.scale)
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.Replace("{resolution}", args.resolution)
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//.Replace("{date}", args.date)
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.Replace("{date}", DateTime.Now.ToString("yyyy.MM.dd"))
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.Replace("{layers}", args.layers)
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.Replace("{imgPath}", imgPath);
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File.WriteAllText(qptFile, xml);
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}
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/// <summary>
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/// 验证令牌
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/// </summary>
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/// <param name="token">令牌</param>
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/// <returns>是/否有效</returns>
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public static bool VerifyToken(string token)
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{
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try
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{
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string url = MoonServer + "/sign/check?token=" + token.Trim();
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string json = GetData(url);
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if (string.IsNullOrWhiteSpace(json))
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{
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return false;
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}
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ResponseMsg<bool> rm = JsonConvert.DeserializeObject<ResponseMsg<bool>>(json);
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return rm != null && rm.code == 200 && rm.result;
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}
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catch
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{
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return false;
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}
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}
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/// <summary>
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/// Get获取数据
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/// </summary>
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/// <param name="url">URL</param>
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/// <returns>数据</returns>
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public static string GetData(string url)
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{
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Uri uri = new Uri(url);
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
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request.Method = "GET";
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request.ContentType = "application/x-www-form-urlencoded";
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HttpWebResponse response = (HttpWebResponse)request.GetResponse();
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StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
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string str = reader.ReadToEnd();
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reader.Close();
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return str;
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}
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}
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}
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