using DataLoader.Model;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace DataLoader.CS
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{
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public class Importor
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{
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#region 加载
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/// <summary>
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/// 获取文件
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/// </summary>
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public static void GetFiles(ObservableCollection<ViewData> viewDatas, string path)
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{
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GetSubFiles(viewDatas, path);
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string[] directories = Directory.GetDirectories(path);
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if (null == directories || directories.Length == 0) return;
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foreach (string sub in directories)
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{
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if (IsGdbFile(sub))
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{
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SetSysMeta(viewDatas, sub, "gdb");
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continue;
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}
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if (IsOsgbFile(sub))
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{
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SetSysMeta(viewDatas, sub, "osgb");
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continue;
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}
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GetFiles(viewDatas, sub);
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}
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}
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/// <summary>
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/// 设置元数据
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/// </summary>
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private static void SetSysMeta(ObservableCollection<ViewData> viewDatas, string path, string ext)
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{
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ViewData vd = new ViewData();
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vd.ID = viewDatas.Count + 1;
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vd.FilePath = path;
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vd.Ext = "." + ext;
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vd.Status = "准备";
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viewDatas.Add(vd);
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SetSysMeta(vd);
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DirectoryInfo di = new DirectoryInfo(vd.FilePath);
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vd.Meta.name = di.Name;
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vd.Meta.type = ext;
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}
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/// <summary>
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/// 获取子文件
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/// </summary>
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private static void GetSubFiles(ObservableCollection<ViewData> viewDatas, string path)
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{
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string[] files = Directory.GetFiles(path);
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if (null == files || files.Length == 0) return;
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foreach (string file in files)
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{
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string ext = Path.GetExtension(file).ToLower();
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if (!StaticData.ALL_EXTENSION.Contains(ext) || IsExcludeFile(file)) continue;
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ViewData vd = new ViewData();
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vd.ID = viewDatas.Count + 1;
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vd.FilePath = file;
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vd.Ext = ext;
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vd.Status = "准备";
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viewDatas.Add(vd);
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SetSysMeta(vd);
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FileInfo fi = new FileInfo(vd.FilePath);
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vd.Meta.name = fi.Name;
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vd.Meta.type = fi.Extension.ToLower().Replace(".", "");
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}
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}
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/// <summary>
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/// 设置元数据
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/// </summary>
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private static void SetSysMeta(ViewData vd)
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{
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SysMeta meta = new SysMeta();
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meta.eventid = Guid.NewGuid().ToString();
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meta.metaid = 0;
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meta.verid = 0;
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meta.guid = null;
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meta.path = vd.FilePath; // *
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meta.sizes = GetFileSizes(vd);
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meta.tab = null;
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meta.rows = 0;
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meta.create_user = CommonProp.UserId;
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meta.create_time = DateTime.Now;
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meta.bak = null;
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meta.geom = null;
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meta.layer = null;
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meta.depcode = CommonProp.Depcode;
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meta.dircode = CommonProp.Dircode;
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meta.ismeta = 0;
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meta.sensortype = CommonProp.SensorType;
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meta.acq_time = CommonProp.AcqTime;
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vd.Meta = meta;
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vd.Sizes = meta.sizes;
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}
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/// <summary>
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/// 获取文件大小
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/// </summary>
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private static double GetFileSizes(ViewData vd)
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{
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if (File.Exists(vd.FilePath))
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{
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if (vd.Ext == StaticData.SHP)
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{
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List<string> files = GetShpFiles(vd.FilePath);
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return GetFileSizes(files.ToArray());
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}
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else
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{
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FileInfo fi = new FileInfo(vd.FilePath);
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return Tools.SizeToMb(fi.Length);
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}
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}
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if (Directory.Exists(vd.FilePath))
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{
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string[] files = Directory.GetFiles(vd.FilePath, "*", SearchOption.AllDirectories);
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return GetFileSizes(files);
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}
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return 0;
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}
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/// <summary>
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/// 获取文件大小
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/// </summary>
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private static double GetFileSizes(string[] files)
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{
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if (null == files || files.Length == 0) return 0;
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double sizes = 0;
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foreach (string file in files)
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{
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FileInfo fi = new FileInfo(file);
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sizes += Tools.SizeToMb(fi.Length);
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}
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return sizes;
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}
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/// <summary>
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/// 获取SHP文件集合
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/// </summary>
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private static List<string> GetShpFiles(string shpPath)
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{
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List<string> files = new List<string>();
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files.Add(shpPath);
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foreach (string ext in StaticData.SHP_EXT)
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{
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string file = shpPath.Replace(".shp", ext);
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if (File.Exists(file))
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{
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files.Add(file);
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}
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}
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return files;
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}
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/// <summary>
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/// 是否为GDB文件
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/// </summary>
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private static bool IsGdbFile(string path)
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{
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if (!Directory.Exists(path)) return false;
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DirectoryInfo info = new DirectoryInfo(path);
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if (!info.Name.ToLower().EndsWith(StaticData.GDB)) return false;
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string gdb = Path.Combine(path, StaticData.NGDB);
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return File.Exists(gdb);
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}
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/// <summary>
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/// 是否为OSGB文件
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/// </summary>
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private static bool IsOsgbFile(string path)
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{
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if (!Directory.Exists(path)) return false;
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string meta = Path.Combine(path, "metadata.xml");
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string data = Path.Combine(path, "Data");
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return File.Exists(meta) && Directory.Exists(data);
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}
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/// <summary>
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/// 是/否为排除文件
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/// </summary>
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private static bool IsExcludeFile(string file)
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{
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bool isExclude = false;
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string name = Path.GetFileName(file).ToLower();
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foreach (string ext in StaticData.MAPPER_EXCLUDE_EXT)
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{
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if (name.EndsWith(ext))
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{
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isExclude = true;
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break;
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}
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}
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return isExclude;
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}
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#endregion
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#region 导入
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/// <summary>
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/// 导入文件
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/// </summary>
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public static void ImportFiles(ObservableCollection<ViewData> viewDatas)
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{
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Parallel.ForEach(viewDatas, (vd, ParallelLoopState) =>
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{
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try
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{
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vd.Status = "生成MD5...";
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vd.Meta.guid = GetFilesMD5(vd);
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if (!string.IsNullOrEmpty(vd.Meta.guid) && DBHelper.IsFileExists(vd.Meta.guid))
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{
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vd.Status = "已存在！";
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return;
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}
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vd.Status = "复制文件...";
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CopyFiles(vd);
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vd.Status = "数据入库...";
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int id = DBHelper.InsertMeta(vd.Meta);
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vd.Status = id > 0 ? "成功。" : "失败！";
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}
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catch (Exception ex)
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{
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LogOut.Error(ex.StackTrace);
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vd.Status = string.Format("失败：{0}！", ex.Message);
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}
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});
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}
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/// <summary>
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/// 获取文件的MD5
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/// </summary>
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private static string GetFilesMD5(ViewData vd)
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{
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if ("1" != Tools.GetSetting("GetMD5")) return null;
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if (File.Exists(vd.FilePath))
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{
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if (vd.Ext == StaticData.SHP)
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{
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List<string> files = GetShpFiles(vd.FilePath);
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return GetFilesMD5(files.ToArray());
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}
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else
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{
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return MD5Helper.GetMD5Hash(vd.FilePath);
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}
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}
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if (Directory.Exists(vd.FilePath))
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{
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string[] files = Directory.GetFiles(vd.FilePath, "*", SearchOption.AllDirectories);
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return GetFilesMD5(files);
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}
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return null;
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}
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/// <summary>
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/// 获取多个文件的MD5码
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/// </summary>
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private static string GetFilesMD5(string[] files)
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{
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if (null == files || files.Length == 0) return null;
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List<string> list = new List<string>();
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foreach (string file in files)
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{
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string md5 = MD5Helper.GetMD5Hash(file);
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if (string.IsNullOrEmpty(md5)) list.Add(md5);
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}
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if (list.Count == 0) return null;
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string str = string.Join(",", list.ToArray());
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byte[] bytes = Encoding.Unicode.GetBytes(str);
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return MD5Helper.GetMD5Hash(bytes);
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}
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/// <summary>
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/// 复制文件
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/// </summary>
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private static void CopyFiles(ViewData vd)
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{
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//mf.path = subPath + "\\" + mf.name;
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//if (File.Exists(source))
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//{
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// File.Copy(source, target, true);
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//}
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}
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private static int GetSubPath(string target, int start = 1)
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{
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while (true)
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{
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string path = Path.Combine(target, start.ToString());
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if (!Directory.Exists(path))
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{
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Directory.CreateDirectory(path);
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return start;
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}
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string[] files = Directory.GetFiles(path);
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if (files.Length < 2001)
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{
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return start;
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}
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start++;
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}
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}
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#endregion
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}
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}
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