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UpdaterItem.cs
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UpdaterItem.cs
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using System;
using System.Linq;
using System.Data;
using System.ComponentModel;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using Excel;
using CsvHelper;
using System.Windows.Forms;
namespace SpreadSheetConnector
{
public class DataReader
{
public static DataTable Read(string path)
{
using (FileStream stream = File.Open(path, FileMode.Open, FileAccess.Read))
{
IExcelDataReader excelReader = GetReader(path, stream);
if (excelReader != null)
{
DataSet set = excelReader.AsDataSet();
if (set.Tables.Count > 0)
{
return set.Tables[0];
}
}
else
{
using (TextReader reader = new StreamReader(stream))
{
DataTable dt = new DataTable();
var csv = new CsvReader(reader);
csv.ReadHeader();
DataColumn[] columns = new DataColumn[csv.FieldHeaders.Length];
for (int i = 0; i < csv.FieldHeaders.Length; i++)
{
columns[i] = new DataColumn(csv.FieldHeaders[i]);
}
dt.Columns.AddRange(columns);
DataRow headerRow = dt.NewRow();
for (int i = 0; i < columns.Length; i++)
{
headerRow[columns[i]] = columns[i];
}
while (csv.Read())
{
var row = dt.NewRow();
foreach (DataColumn column in dt.Columns)
{
row[column.ColumnName] = csv.GetField(column.DataType, column.ColumnName);
}
dt.Rows.Add(row);
}
return dt;
}
}
}
return new DataTable();
}
private static IExcelDataReader GetReader(string path, Stream stream)
{
if (new FileInfo(path).Extension == ".xls")
{
return ExcelReaderFactory.CreateBinaryReader(stream);
}
if (new FileInfo(path).Extension == ".xlsx")
{
return ExcelReaderFactory.CreateOpenXmlReader(stream);
}
return null;
}
}
public enum UpdaterAction
{
Overwrite,
Append
}
[Serializable]
public class UpdaterItem : IDisposable
{
public static GoogleConnector connector;
public const string SaveFolder = "Data";
private string name;
private string localPath;
private string googlePath;
private UpdaterAction action;
private Tuple<int, int> range;
private DateTime date;
public string Name => name;
public string LocalPath => localPath;
public string GooglePath => googlePath;
public string GoogleSpreadsheetID
{
get
{
if (googlePath.Contains("/d/"))
{
int pFrom = googlePath.IndexOf("/d/") + "/d/".Length;
int pTo = googlePath.LastIndexOf("/");
return googlePath.Substring(pFrom, pTo - pFrom);
}
return "";
}
}
public UpdaterAction Action => action;
public Tuple<int, int> Range => range;
//Last used
public DateTime Date => date;
[NonSerialized]
public FileSystemWatcher watchdog;
public UpdaterItem(string name, string localPath,
string googlePath, UpdaterAction action,
Tuple<int, int> range)
{
if (!Directory.Exists(SaveFolder))
Directory.CreateDirectory(SaveFolder);
if (!Directory.Exists(localPath))
throw new FileNotFoundException("Directory not exists", localPath);
if (googlePath.Split('=').Length == 0)
throw new ArgumentException("Google path not exists", googlePath);
this.name = name;
this.localPath = localPath;
this.googlePath = googlePath;
this.action = action;
this.range = range;
}
public void StartWatch()
{
watchdog = new FileSystemWatcher()
{
Path = localPath,
NotifyFilter = NotifyFilters.LastWrite,
Filter = "*.*"
};
watchdog.Changed += new FileSystemEventHandler(Changed);
watchdog.EnableRaisingEvents = true;
}
private async void Changed(object sender, FileSystemEventArgs e)
{
try
{
var ext = new FileInfo(e.FullPath).Extension;
if (ext != ".csv" &
ext != ".xls" &
ext != ".xlsx") return;
watchdog.EnableRaisingEvents = false;
date = DateTime.Now;
DataTable table = DataReader.Read(e.FullPath);
if (table != null)
{
int deleteRowsRange = 0;
if(range != null)
{
deleteRowsRange = range.Item2;
}
if (action == UpdaterAction.Append)
{
await connector.Append(table, GoogleSpreadsheetID, deleteRowsRange);
}
if (action == UpdaterAction.Overwrite)
{
await connector.Overwrite(table, GoogleSpreadsheetID, deleteRowsRange);
}
}
}
catch (IOException)
{
}
catch (Google.GoogleApiException exc)
{
MessageBox.Show(exc.Message);
}
finally
{
watchdog.EnableRaisingEvents = true;
}
}
public void Dispose()
{
string path = Path.Combine(SaveFolder, this.GetHashCode().ToString() + ".dat");
if (File.Exists(path))
{
File.Delete(path);
}
}
public override int GetHashCode()
{
return localPath.GetHashCode() + googlePath.GetHashCode();
}
public static void SerializeUpdaterItems(BindingList<UpdaterItem> items)
{
IFormatter formatter = new BinaryFormatter();
foreach (UpdaterItem item in items)
{
string path = Path.Combine(SaveFolder, item.GetHashCode().ToString() + ".dat");
if (!File.Exists(path))
{
using (Stream stream = new FileStream(path,
FileMode.CreateNew, FileAccess.ReadWrite))
{
formatter.Serialize(stream, item);
}
}
}
}
public static BindingList<UpdaterItem> DeserializeUpdaterItems()
{
BindingList<UpdaterItem> items = new BindingList<UpdaterItem>();
IFormatter formatter = new BinaryFormatter();
if (Directory.Exists(SaveFolder))
{
foreach (FileInfo file in Directory.EnumerateFiles(UpdaterItem.SaveFolder)
.Select(path => new FileInfo(path))
.Where(file => file.Extension == ".dat"))
{
using (Stream stream = new FileStream(file.FullName, FileMode.Open, FileAccess.ReadWrite))
{
items.Add(formatter.Deserialize(stream) as UpdaterItem);
}
}
}
return items;
}
}
}