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admin_merchandise.aspx.cs
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admin_merchandise.aspx.cs
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using System;
using System.Configuration;
using System.Data;
using System.IO;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Npgsql;
using NpgsqlTypes;
namespace FooBlog
{
public partial class admin_merchandise : Page
{
protected void Page_Load(object sender, EventArgs e)
{
FooSessionHelper.AuthenticationCheck(HttpContext.Current);
if (IsPostBack) return;
RequestToken.Value = FooSessionHelper.SetToken(HttpContext.Current);
Load_Forms(string.Empty);
}
protected void Reset_Page(string merchId)
{
RequestToken.Value = FooSessionHelper.SetToken(HttpContext.Current);
merchView.ChangeMode(DetailsViewMode.ReadOnly);
Load_Forms(merchId);
}
protected void Load_Forms(string merchId)
{
if (merchId != string.Empty && !FooStringHelper.IsValidAlphanumeric(merchId, 16))
{
errorLabel.Text = "Invalid request.";
return;
}
try
{
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd = new NpgsqlCommand();
if (String.IsNullOrEmpty(merchId))
{
cmd.CommandText =
"SELECT merchid, merchname, merchbrief, merchbody, merchprice, merchimg, merchenabled FROM merchandise ORDER BY merchid DESC LIMIT 1";
cmd.Connection = conn;
}
else
{
cmd.CommandText =
"SELECT merchid, merchname, merchbrief, merchbody, merchprice, merchimg, merchenabled FROM merchandise WHERE merchid= @MERCHID";
cmd.Connection = conn;
var idParam = new NpgsqlParameter
{
ParameterName = "@MERCHID",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 16,
Direction = ParameterDirection.Input,
Value = merchId
};
cmd.Parameters.Add(idParam);
}
var da = new NpgsqlDataAdapter(cmd);
var ds = new DataSet();
da.Fill(ds);
merchView.DataSource = ds;
merchView.DataBind();
}
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd =
new NpgsqlCommand(
"SELECT merchid, merchname FROM merchandise",
conn);
var da = new NpgsqlDataAdapter(cmd);
var ds = new DataSet();
da.Fill(ds);
merchGrid.DataSource = ds;
merchGrid.DataBind();
}
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd =
new NpgsqlCommand(
"SELECT T1.reviewid, T1.reviewtime, T1.userid, T1.merchid, T1.reviewbody, T2.userid, T2.useralias, T3.merchid, T3.merchname FROM reviews AS T1 LEFT OUTER JOIN users AS T2 ON T1.userid = T2.userid LEFT OUTER JOIN merchandise AS T3 ON T1.merchid = T3.merchid",
conn);
var da = new NpgsqlDataAdapter(cmd);
var ds = new DataSet();
da.Fill(ds);
reviewGrid.DataSource = ds;
reviewGrid.DataBind();
}
errorLabel.Text = "";
}
catch (Exception ex)
{
FooLogging.WriteLog(ex.ToString());
errorLabel.Text = "Something has gone wrong. A log has been forwarded to the site administrator.";
}
}
protected void MerchView_ItemDeleting(object sender, DetailsViewDeleteEventArgs e)
{
string merchId = merchView.SelectedValue.ToString();
if (!FooStringHelper.IsValidAlphanumeric(merchId, 16))
{
errorLabel.Text = "Invalid request.";
Reset_Page(string.Empty);
return;
}
try
{
if (FooSessionHelper.IsValidRequest(HttpContext.Current, RequestToken.Value))
{
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd = new NpgsqlCommand
{
CommandText = "DELETE FROM reviews WHERE merchid= @MERCHID",
CommandType = CommandType.Text,
Connection = conn
};
var param = new NpgsqlParameter
{
ParameterName = "@MERCHID",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 16,
Direction = ParameterDirection.Input,
Value = merchId
};
cmd.Parameters.Add(param);
cmd.ExecuteNonQuery();
}
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd = new NpgsqlCommand
{
CommandText = "DELETE FROM merchandise WHERE merchid= @MERCHID",
CommandType = CommandType.Text,
Connection = conn
};
var param = new NpgsqlParameter
{
ParameterName = "@MERCHID",
Size = 16,
NpgsqlDbType = NpgsqlDbType.Varchar,
Direction = ParameterDirection.Input,
Value = merchId
};
cmd.Parameters.Add(param);
cmd.ExecuteNonQuery();
}
}
else
{
errorLabel.Text = "Invalid request.";
}
}
catch (Exception ex)
{
FooLogging.WriteLog(ex.ToString());
errorLabel.Text = "Something has gone wrong. A log has been forwarded to the site administrator.";
}
Reset_Page(string.Empty);
}
protected void MerchView_ItemUpdating(object sender, DetailsViewUpdateEventArgs e)
{
string merchId = merchView.SelectedValue.ToString();
if (!FooStringHelper.IsValidAlphanumeric(merchId, 16))
{
errorLabel.Text = "Invalid request.";
Reset_Page(string.Empty);
return;
}
var txtMerchName = (TextBox) merchView.FindControl("txtMerchName");
var txtMerchPrice = (TextBox) merchView.FindControl("txtMerchPrice");
var txtMerchBrief = (TextBox) merchView.FindControl("txtMerchBrief");
var txtMerchBody = (TextBox) merchView.FindControl("txtMerchBody");
var imageUploadForm = (FileUpload) merchView.FindControl("imageUploadForm");
var merchEnabledCheckbox = (CheckBox) merchView.FindControl("merchEnabledCheckbox");
if (!string.IsNullOrEmpty(txtMerchName.Text) && !string.IsNullOrEmpty(txtMerchPrice.Text) &&
FooStringHelper.IsValidPrice(txtMerchPrice.Text) && !string.IsNullOrEmpty(txtMerchBrief.Text) &&
!string.IsNullOrEmpty(txtMerchBody.Text))
{
try
{
if (FooSessionHelper.IsValidRequest(HttpContext.Current, RequestToken.Value))
{
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd = new NpgsqlCommand
{
CommandText =
"UPDATE merchandise SET (merchname, merchprice, merchbrief, merchbody, merchenabled) = (@MERCHNAME, @MERCHPRICE, @MERCHBRIEF, @MERCHBODY, @MERCHENABLED) WHERE merchid= @MERCHID",
CommandType = CommandType.Text,
Connection = conn
};
var idParam = new NpgsqlParameter
{
ParameterName = "@MERCHID",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 16,
Direction = ParameterDirection.Input,
Value = merchId
};
cmd.Parameters.Add(idParam);
var nameParam = new NpgsqlParameter
{
ParameterName = "@MERCHNAME",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 64,
Direction = ParameterDirection.Input,
Value = txtMerchName.Text
};
cmd.Parameters.Add(nameParam);
var priceParam = new NpgsqlParameter
{
ParameterName = "@MERCHPRICE",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 8,
Direction = ParameterDirection.Input,
Value = txtMerchPrice.Text
};
cmd.Parameters.Add(priceParam);
var briefParam = new NpgsqlParameter
{
ParameterName = "@MERCHBRIEF",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 1024,
Direction = ParameterDirection.Input,
Value = txtMerchBrief.Text
};
cmd.Parameters.Add(briefParam);
var bodyParam = new NpgsqlParameter
{
ParameterName = "@MERCHBODY",
NpgsqlDbType = NpgsqlDbType.Varchar,
Direction = ParameterDirection.Input,
Value = txtMerchBody.Text
};
cmd.Parameters.Add(bodyParam);
var enabledParam = new NpgsqlParameter
{
ParameterName = "@MERCHENABLED",
NpgsqlDbType = NpgsqlDbType.Boolean,
Direction = ParameterDirection.Input,
Value = merchEnabledCheckbox.Checked
};
cmd.Parameters.Add(enabledParam);
cmd.ExecuteNonQuery();
cmd.Dispose();
}
if (imageUploadForm.HasFile)
{
HttpPostedFile file = HttpContext.Current.Request.Files[0];
Insert_NewImage(merchId, file);
}
}
}
catch (Exception ex)
{
FooLogging.WriteLog(ex.ToString());
errorLabel.Text = "Something has gone wrong. A log has been forwarded to the site administrator.";
}
}
else
{
errorLabel.Text = "Incomplete or invalid input.";
}
Reset_Page(merchId);
}
protected void MerchView_ItemInserting(object sender, DetailsViewInsertEventArgs e)
{
string merchId = FooStringHelper.RandomString(16);
var txtMerchName = (TextBox) merchView.FindControl("txtMerchName");
var txtMerchPrice = (TextBox) merchView.FindControl("txtMerchPrice");
var txtMerchBrief = (TextBox) merchView.FindControl("txtMerchBrief");
var txtMerchBody = (TextBox) merchView.FindControl("txtMerchBody");
var imageUploadForm = (FileUpload) merchView.FindControl("imageUploadForm");
var merchEnabledCheckbox = (CheckBox) merchView.FindControl("merchEnabledCheckbox");
if (!string.IsNullOrEmpty(txtMerchName.Text) && !string.IsNullOrEmpty(txtMerchPrice.Text) &&
FooStringHelper.IsValidPrice(txtMerchPrice.Text) && !string.IsNullOrEmpty(txtMerchBrief.Text) &&
!string.IsNullOrEmpty(txtMerchBody.Text))
{
try
{
if (FooSessionHelper.IsValidRequest(HttpContext.Current, RequestToken.Value))
{
// Define connection string.
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd = new NpgsqlCommand
{
CommandText =
"INSERT INTO merchandise (merchid, merchname, merchprice, merchbrief, merchbody, merchenabled) VALUES (@MERCHID, @MERCHNAME, @MERCHPRICE, @MERCHBRIEF, @MERCHBODY, @MERCHENABLED)",
CommandType = CommandType.Text,
Connection = conn
};
var idParam = new NpgsqlParameter
{
ParameterName = "@MERCHID",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 16,
Direction = ParameterDirection.Input,
Value = merchId
};
cmd.Parameters.Add(idParam);
var nameParam = new NpgsqlParameter
{
ParameterName = "@MERCHNAME",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 64,
Direction = ParameterDirection.Input,
Value = txtMerchName.Text
};
cmd.Parameters.Add(nameParam);
var priceParam = new NpgsqlParameter
{
ParameterName = "@MERCHPRICE",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 8,
Direction = ParameterDirection.Input,
Value = txtMerchPrice.Text
};
cmd.Parameters.Add(priceParam);
var briefParam = new NpgsqlParameter
{
ParameterName = "@MERCHBRIEF",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 1024,
Direction = ParameterDirection.Input,
Value = txtMerchBrief.Text
};
cmd.Parameters.Add(briefParam);
var bodyParam = new NpgsqlParameter
{
ParameterName = "@MERCHBODY",
NpgsqlDbType = NpgsqlDbType.Varchar,
Direction = ParameterDirection.Input,
Value = txtMerchBody.Text
};
cmd.Parameters.Add(bodyParam);
var enabledParam = new NpgsqlParameter
{
ParameterName = "@MERCHENABLED",
NpgsqlDbType = NpgsqlDbType.Boolean,
Direction = ParameterDirection.Input,
Value = merchEnabledCheckbox.Checked
};
cmd.Parameters.Add(enabledParam);
cmd.ExecuteNonQuery();
cmd.Dispose();
}
if (imageUploadForm.HasFile)
{
HttpPostedFile file = HttpContext.Current.Request.Files[0];
Insert_NewImage(merchId, file);
}
else
{
Insert_NewImage(merchId, null);
}
}
}
catch (Exception ex)
{
FooLogging.WriteLog(ex.ToString());
errorLabel.Text = "Something has gone wrong. A log has been forwarded to the site administrator.";
}
}
else
{
errorLabel.Text = "Incomplete or invalid input.";
}
Reset_Page(string.Empty);
}
protected void MerchView_ModeChanging(object sender, DetailsViewModeEventArgs e)
{
switch (e.NewMode)
{
case DetailsViewMode.Edit:
merchView.ChangeMode(DetailsViewMode.Edit);
break;
case DetailsViewMode.Insert:
merchView.ChangeMode(DetailsViewMode.Insert);
break;
default:
merchView.ChangeMode(DetailsViewMode.ReadOnly);
break;
}
Load_Forms(merchView.SelectedValue != null ? merchView.SelectedValue.ToString() : string.Empty);
}
protected void MerchView_Databound(object sender, EventArgs e)
{
if (merchView.CurrentMode == DetailsViewMode.ReadOnly && merchView.Rows.Count > 1)
{
var merchEnabledLabel = (Label) merchView.FindControl("merchEnabledLabel");
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd =
new NpgsqlCommand(
"SELECT merchenabled FROM merchandise WHERE merchid= @MERCHID",
conn);
var idParam = new NpgsqlParameter
{
ParameterName = "@MERCHID",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 16,
Direction = ParameterDirection.Input,
Value = FooStringHelper.RemoveInvalidChars(merchView.SelectedValue.ToString())
};
cmd.Parameters.Add(idParam);
bool postEnabled = Convert.ToBoolean(cmd.ExecuteScalar());
merchEnabledLabel.Text = postEnabled ? "Yes" : "No";
}
}
else
{
var merchEnabledCheckbox = (CheckBox) merchView.FindControl("merchEnabledCheckbox");
try
{
if (merchView.CurrentMode == DetailsViewMode.Edit)
{
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd =
new NpgsqlCommand(
"SELECT merchenabled FROM merchandise WHERE merchid= @MERCHID",
conn);
var idParam = new NpgsqlParameter
{
ParameterName = "@MERCHID",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 16,
Direction = ParameterDirection.Input,
Value = FooStringHelper.RemoveInvalidChars(merchView.SelectedValue.ToString())
};
cmd.Parameters.Add(idParam);
NpgsqlDataReader dr = cmd.ExecuteReader();
while (dr.Read())
{
merchEnabledCheckbox.Checked = Convert.ToBoolean(dr["merchenabled"]);
}
dr.Close();
}
}
}
catch (Exception ex)
{
FooLogging.WriteLog(ex.ToString());
string merchId = merchView.SelectedValue.ToString();
if (!FooStringHelper.IsValidAlphanumeric(merchId, 16))
{
errorLabel.Text = "Invalid request.";
Reset_Page(string.Empty);
return;
}
Reset_Page(merchId);
errorLabel.Text = "Something has gone wrong. A log has been forwarded to the site administrator.";
}
}
}
protected void MerchGrid_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
string merchId = merchGrid.Rows[merchGrid.SelectedIndex].Cells[0].Text;
if (!FooStringHelper.IsValidAlphanumeric(merchId, 16))
{
errorLabel.Text = "Invalid request.";
Reset_Page(string.Empty);
return;
}
Load_Forms(merchId);
}
catch (Exception ex)
{
FooLogging.WriteLog(ex.ToString());
errorLabel.Text = "Something has gone wrong. A log has been forwarded to the site administrator.";
}
}
protected void Insert_NewImage(string merchId, HttpPostedFile file)
{
string fileName = "profile_default.jpg";
string path = HttpContext.Current.Server.MapPath("~/uploads");
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
if (file != null)
{
var uploadCompleted = false;
byte[] fileBytes = FooFileHelper.GetFileBytesFromHttpStream(file);
if (FooFileHelper.IsImage(fileBytes) && fileBytes.Length < 2097152)
{
if (HttpContext.Current.Request.Browser.Browser.ToUpper() == "IE")
{
string[] files = file.FileName.Split(new[] {'\\'});
fileName = files[files.Length - 1];
}
else
{
fileName = file.FileName;
}
fileName = FooStringHelper.RandomFileName(fileName);
string filePath = Path.Combine(path, fileName);
try
{
File.WriteAllBytes(filePath, fileBytes);
uploadCompleted = true;
}
catch (Exception ex)
{
FooLogging.WriteLog(ex.ToString());
errorLabel.Text = "Upload failed.";
}
}
else
{
errorLabel.Text = "Invalid file.";
}
if (uploadCompleted)
{
try
{
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd =
new NpgsqlCommand(
"SELECT merchimg FROM merchandise WHERE merchid= @MERCHID",
conn);
var idParam = new NpgsqlParameter
{
ParameterName = "@MERCHID",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 16,
Direction = ParameterDirection.Input,
Value = merchId
};
cmd.Parameters.Add(idParam);
NpgsqlDataReader dr = cmd.ExecuteReader();
string imageFile = string.Empty;
while (dr.Read())
{
imageFile = dr["merchimg"].ToString();
}
dr.Close();
if (imageFile != string.Empty && imageFile != "merch_default.jpg")
{
string currentFile = Path.Combine(path, imageFile);
if (File.Exists(currentFile))
{
File.Delete(currentFile);
}
}
}
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd =
new NpgsqlCommand(
"UPDATE merchandise SET (merchimg) = (@MERCHIMG) WHERE merchid= @MERCHID",
conn);
var idParam = new NpgsqlParameter
{
ParameterName = "@MERCHID",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 16,
Direction = ParameterDirection.Input,
Value = merchId
};
cmd.Parameters.Add(idParam);
var imgParam = new NpgsqlParameter
{
ParameterName = "@MERCHIMG",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 64,
Direction = ParameterDirection.Input,
Value = fileName
};
cmd.Parameters.Add(imgParam);
cmd.ExecuteNonQuery();
}
}
catch (Exception ex)
{
FooLogging.WriteLog(ex.ToString());
errorLabel.Text =
"Something has gone wrong. A log has been forwarded to the site administrator.";
}
}
}
}
protected void ReviewGrid_Delete(object sender, GridViewDeleteEventArgs e)
{
string merchId = FooStringHelper.RemoveInvalidChars(merchView.SelectedValue.ToString());
if (!FooStringHelper.IsValidAlphanumeric(merchId, 16))
{
errorLabel.Text = "Invalid request.";
Reset_Page(string.Empty);
return;
}
try
{
if (FooSessionHelper.IsValidRequest(HttpContext.Current, RequestToken.Value))
{
using (var conn = new NpgsqlConnection())
{
conn.ConnectionString =
ConfigurationManager.ConnectionStrings["fooPostgreSQL"].ConnectionString;
conn.Open();
var cmd = new NpgsqlCommand
{
CommandText = "DELETE FROM reviews WHERE reviewid= @REVIEWID",
CommandType = CommandType.Text,
Connection = conn
};
var param = new NpgsqlParameter
{
ParameterName = "@REVIEWID",
NpgsqlDbType = NpgsqlDbType.Varchar,
Size = 16,
Direction = ParameterDirection.Input,
Value =
FooStringHelper.RemoveInvalidChars(
reviewGrid.DataKeys[e.RowIndex].Values[0].ToString())
};
cmd.Parameters.Add(param);
cmd.ExecuteNonQuery();
}
}
else
{
errorLabel.Text = "Invalid request.";
}
}
catch (Exception ex)
{
FooLogging.WriteLog(ex.ToString());
errorLabel.Text = "Something has gone wrong. A log has been forwarded to the site administrator.";
}
Reset_Page(merchId);
}
}
}