protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
using (var ctx = new EF.RepositoryContext("LogoDB"))
{
var channel = GetChannel(ctx);
if (channel != null)
{
lblChannelName.Text = channel.Name;
tbxChannelDescription.Text = channel.Description;
tbxChannelWebsite.Text = channel.Website;
var logo = channel.Logos.First(l => l.Suggestion == null);
imgChannelLogo.ImageUrl = Thumbnailer.GetThumbFileUrl(logo.Id);
imgChannelLogo.NavigateUrl = "/Logos/" + logo.Id + ".png";
if (channel.Aliases != null)
{
btnRemoveAlias.Visible = true;
listNewAliases.Items.AddRange(channel.Aliases.Select(a => new ListItem(a.Name, a.Id.ToString())).ToArray());
}
}
}
}
}
protected void btnApprove_Click(object sender, EventArgs e)
{
Guid suggestionId = GetSuggestionIdFromRequest();
if (suggestionId != Guid.Empty)
{
using (var ctx = new EF.RepositoryContext("LogoDB"))
{
var suggestion = ctx.Suggestions
.Include("Channels")
.Include("Messages")
.Include("Aliases")
.Include("Logos").Include("Logos.Channels").Include("Logos.Channels.Logos")
.FirstOrDefault(s => s.Id == suggestionId);
if (suggestion != null)
{
foreach (var channel in suggestion.Channels)
{
channel.Suggestion = null;
}
if (suggestion.Logos.Any())
{
// delete the old logo (DB object and files) on the channel when suggestion was new logo
foreach (var logo in suggestion.Logos.First().Channels.First().Logos.Where(l => l.Suggestion == null).ToList())
{
logo.Repository = null;
logo.Creator = null;
ctx.Logos.Remove(logo);
File.Delete(Thumbnailer.GetThumbFilePath(logo.Id));
File.Delete(Path.Combine(Server.MapPath("~/Logos"), logo.Id + ".png"));
}
}
foreach (var logo in suggestion.Logos)
{
logo.Suggestion = null;
}
foreach (var alias in suggestion.Aliases)
{
alias.Suggestion = null;
}
ctx.Messages.RemoveRange(suggestion.Messages);
ctx.Suggestions.Remove(suggestion);
ctx.ChangeTracker.DetectChanges();
ctx.SaveChanges();
Response.Redirect("/ListSuggestions.aspx", false);
HttpContext.Current.ApplicationInstance.CompleteRequest();
this.Visible = false;
}
}
}
}
protected void btnDecline_Click(object sender, EventArgs e)
{
Guid suggestionId = GetSuggestionIdFromRequest();
if (suggestionId != Guid.Empty)
{
using (var ctx = new EF.RepositoryContext("LogoDB"))
{
var suggestion = ctx.Suggestions
.Include("Channels")
.Include("Messages")
.Include("Aliases")
.Include("Logos")
.FirstOrDefault(s => s.Id == suggestionId);
if (suggestion != null)
{
var logoFilesToDelete = suggestion.Logos.Select(l => l.Id).ToList();
ctx.Channels.RemoveRange(suggestion.Channels);
ctx.Logos.RemoveRange(suggestion.Logos);
ctx.Aliases.RemoveRange(suggestion.Aliases);
ctx.Messages.RemoveRange(suggestion.Messages);
ctx.Suggestions.Remove(suggestion);
ctx.ChangeTracker.DetectChanges();
ctx.SaveChanges();
logoFilesToDelete.ForEach(l => {
var logoFilePath = Path.Combine(Server.MapPath("~/Logos"), l + ".png");
if (File.Exists(logoFilePath))
{
File.Delete(logoFilePath);
}
var logoThumbPath = Thumbnailer.GetThumbFilePath(l);
if (File.Exists(logoThumbPath))
{
File.Delete(logoThumbPath);
}
});
Response.Redirect("/ListSuggestions.aspx", false);
HttpContext.Current.ApplicationInstance.CompleteRequest();
this.Visible = false;
}
}
}
}
protected void gvChannels_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "DeleteChannel")
{
var channelId = new Guid((string)e.CommandArgument);
using (var ctx = new EF.RepositoryContext("LogoDB"))
{
var channel = ctx.Channels
.Include("Aliases").Include("Aliases.Suggestion")
.Include("Logos").Include("Logos.Suggestion")
.FirstOrDefault(c => c.Id == channelId);
if (channel != null)
{
foreach (var alias in channel.Aliases.ToList())
{
if (alias.Suggestion != null)
{
ctx.Suggestions.Remove(alias.Suggestion);
}
ctx.Aliases.Remove(alias);
}
foreach (var logo in channel.Logos.ToList())
{
if (logo.Suggestion != null)
{
ctx.Suggestions.Remove(logo.Suggestion);
}
ctx.Logos.Remove(logo);
File.Delete(Thumbnailer.GetThumbFilePath(logo.Id));
File.Delete(Path.Combine(Server.MapPath("~/Logos"), logo.Id + ".png"));
}
ctx.Channels.Remove(channel);
ctx.ChangeTracker.DetectChanges();
ctx.SaveChanges();
}
}
BindChannelsGrid();
}
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
try
{
using (var ctx = new EF.RepositoryContext("LogoDB"))
{
var repo = ctx.Repositorys.FirstOrDefault();
var suggestion = ctx.Suggestions.Create();
suggestion.Id = Guid.NewGuid();
suggestion.Created = DateTime.Now;
suggestion.LastModified = DateTime.Now;
var membership = System.Web.Security.Membership.GetUser();
if (membership != null)
{
suggestion.User = ctx.Users.FirstOrDefault(u => u.Id == (Guid)membership.ProviderUserKey);
}
if (!string.IsNullOrEmpty(tbxSuggestionInfo.Text.Trim()))
{
suggestion.Messages.Add(new Message()
{
Id = Guid.NewGuid(), Created = DateTime.Now, Suggestion = suggestion, Text = tbxSuggestionInfo.Text.Trim(), User = suggestion.User
});
}
repo.Suggestions.Add(suggestion);
Channel channel = null;
if (TabContainer1.ActiveTab == tabPanelNewChannel)
{
string channelName = tbxChannelName.Text.Trim();
var channelType = (ChannelType)byte.Parse(rblChannelType.SelectedValue);
if (string.IsNullOrEmpty(channelName))
{
throw new Exception("Please give the new Channel an unique name!");
}
if (ctx.Channels.Any(c => c.Name == channelName && c.Type == channelType))
{
throw new Exception(string.Format("A {0}-Channel '{1}' already exists!", channelType, channelName));
}
string channelWebsite = tbxChannelWebsite.Text.Trim();
if (!string.IsNullOrEmpty(channelWebsite) && !channelWebsite.Contains("://"))
{
channelWebsite = "http://" + channelWebsite;
}
channel = ctx.Channels.Create();
channel.Id = Guid.NewGuid();
channel.Suggestion = suggestion;
channel.Name = channelName;
channel.Website = channelWebsite;
channel.RegionCode = ddlChannelRegion.SelectedValue;
channel.Description = tbxChannelDescription.Text.Trim();
channel.Type = channelType;
repo.Channels.Add(channel);
}
else
{
string channelName = listFoundChannels.SelectedValue;
if (string.IsNullOrEmpty(channelName))
{
throw new Exception("Please select an existing Channel!");
}
channel = ctx.Channels.Include("Aliases").Include("Logos").FirstOrDefault(c => c.Name == channelName);
}
foreach (ListItem newAlias in listNewAliases.Items)
{
string newAliasTrimmed = newAlias.Value.Trim();
if (!string.IsNullOrEmpty(newAliasTrimmed))
{
if (!channel.Aliases.Any(a => a.Name == newAliasTrimmed))
{
var alias = ctx.Aliases.Create();
alias.Id = Guid.NewGuid();
alias.Name = newAliasTrimmed;
alias.Created = DateTime.Now;
alias.Channel = channel;
channel.Aliases.Add(alias);
alias.Suggestion = suggestion;
}
}
}
if (channel.Aliases.Count == 0)
{
throw new Exception("A Channel must have at least one Alias!");
}
if (uploadLogoFile.HasFile)
{
// check that file is PNG
byte[] logoData = uploadLogoFile.FileBytes;
using (MemoryStream ms = new MemoryStream(logoData))
{
using (System.Drawing.Image image = System.Drawing.Image.FromStream(ms, true, true))
{
if (image.RawFormat.Guid != System.Drawing.Imaging.ImageFormat.Png.Guid)
{
throw new Exception("The supplied Logo file is not a valid PNG image!");
}
else
{
var logo = ctx.Logos.Create();
logo.Id = Guid.NewGuid();
logo.Name = tbxLogoName.Text.Trim();
if (string.IsNullOrEmpty(logo.Name))
{
throw new Exception("Please give the new Logo an unique name!");
}
logo.Origin = tbxLogoOrigin.Text.Trim();
logo.LastModified = DateTime.Now;
logo.Width = image.Width;
logo.Height = image.Height;
logo.SizeInBytes = logoData.Length;
repo.Logos.Add(logo);
logo.Suggestion = suggestion;
logo.Creator = suggestion.User;
logo.Channels.Add(channel);
File.WriteAllBytes(Path.Combine(Server.MapPath("~/Logos"), logo.Id + ".png"), logoData);
Thumbnailer.CreateLogoThumb(image, logo.Id);
}
}
}
}
ctx.ChangeTracker.DetectChanges();
if (channel.Logos.Count == 0)
{
throw new Exception("Please specify a logo for the new Channel!");
}
if (!suggestion.Channels.Any() && !suggestion.Aliases.Any() && !suggestion.Logos.Any())
{
throw new Exception("Please suggest at least a new logo or new alias!");
}
ctx.SaveChanges();
Response.Redirect(Request.Url.AbsoluteUri, false);
HttpContext.Current.ApplicationInstance.CompleteRequest();
this.Visible = false;
}
}
catch (Exception ex)
{
lblReturnMessage.Visible = true;
lblReturnMessage.Text = ex.Message;
}
}
protected void btnSave_Click(object sender, EventArgs e)
{
try
{
using (var ctx = new EF.RepositoryContext("LogoDB"))
{
var channel = GetChannel(ctx);
if (channel != null)
{
channel.Website = tbxChannelWebsite.Text.Trim();
channel.Description = tbxChannelDescription.Text.Trim();
if (listNewAliases.Items.Count == 0)
{
throw new Exception("A Channel must have at least one Alias!");
}
// delete aliases that are no longer there
if (channel.Aliases != null)
{
foreach (var alias in channel.Aliases.ToList())
{
if (listNewAliases.Items.FindByText(alias.Name) == null)
{
ctx.Aliases.Remove(alias);
}
}
}
// add new aliases
foreach (ListItem item in listNewAliases.Items)
{
string newAliasTrimmed = item.Text.Trim();
if (!string.IsNullOrEmpty(newAliasTrimmed))
{
if (!channel.Aliases.Any(a => a.Name == newAliasTrimmed))
{
var alias = ctx.Aliases.Create();
alias.Id = Guid.NewGuid();
alias.Name = newAliasTrimmed;
alias.Created = DateTime.Now;
alias.Channel = channel;
channel.Aliases.Add(alias);
}
}
}
// new logo
if (uploadLogoFile.HasFile)
{
var repo = ctx.Repositorys.FirstOrDefault();
var membership = System.Web.Security.Membership.GetUser();
var user = membership != null?ctx.Users.FirstOrDefault(u => u.Id == (Guid)membership.ProviderUserKey) : null;
// check that file is PNG
byte[] logoData = uploadLogoFile.FileBytes;
using (MemoryStream ms = new MemoryStream(logoData))
{
using (System.Drawing.Image image = System.Drawing.Image.FromStream(ms, true, true))
{
if (image.RawFormat.Guid != System.Drawing.Imaging.ImageFormat.Png.Guid)
{
throw new Exception("The supplied Logo file is not a valid PNG image!");
}
if (string.IsNullOrEmpty(tbxLogoName.Text.Trim()))
{
throw new Exception("Please give the new Logo an unique name!");
}
// delete old logo
var oldLogo = channel.Logos.First(l => l.Suggestion == null);
ctx.Logos.Remove(oldLogo);
File.Delete(Thumbnailer.GetThumbFilePath(oldLogo.Id));
File.Delete(Path.Combine(Server.MapPath("~/Logos"), oldLogo.Id + ".png"));
// create new logo
var logo = ctx.Logos.Create();
logo.Id = Guid.NewGuid();
logo.Name = tbxLogoName.Text.Trim();
logo.Origin = tbxLogoOrigin.Text.Trim();
logo.LastModified = DateTime.Now;
logo.Width = image.Width;
logo.Height = image.Height;
logo.SizeInBytes = logoData.Length;
repo.Logos.Add(logo);
logo.Creator = user;
logo.Channels.Add(channel);
File.WriteAllBytes(Path.Combine(Server.MapPath("~/Logos"), logo.Id + ".png"), logoData);
Thumbnailer.CreateLogoThumb(image, logo.Id);
imgChannelLogo.ImageUrl = Thumbnailer.GetThumbFileUrl(logo.Id);
imgChannelLogo.NavigateUrl = "/Logos/" + logo.Id + ".png";
}
}
}
ctx.ChangeTracker.DetectChanges();
ctx.SaveChanges();
}
}
lblReturnMessage.Visible = true;
lblReturnMessage.ForeColor = System.Drawing.Color.Green;
lblReturnMessage.Text = "Channel successfully saved!";
}
catch (Exception ex)
{
lblReturnMessage.Visible = true;
lblReturnMessage.ForeColor = System.Drawing.Color.Red;
lblReturnMessage.Text = ex.Message;
}
}
Tuple <Dictionary <string, HashSet <string> >, string, EF.Logo> GetChannel(XmlElement channel, int type, EF.RepositoryContext ctx, ref List <string> errors)
{
try
{
var file = channel.SelectSingleNode("File");
if (file != null)
{
var logoFileName = file.InnerText.Trim().Replace("\t", " ");
var logoUrl = (type == 0 ? tbxTVLogosBaseUrl.Text : tbxRadioLogosBaseUrl.Text) + logoFileName;
if (!string.IsNullOrEmpty(logoFileName))
{
byte[] logoData = null;
try
{
logoData = new System.Net.WebClient().DownloadData(logoUrl);
}
catch (Exception ex)
{
throw new Exception(string.Format("Error downloading logo '{0}' : {1}", logoFileName, ex.Message));
}
using (MemoryStream ms = new MemoryStream(logoData))
{
using (System.Drawing.Image image = System.Drawing.Image.FromStream(ms, true, true))
{
if (image.RawFormat.Guid == System.Drawing.Imaging.ImageFormat.Png.Guid)
{
var aliases = new Dictionary <string, HashSet <string> >();
foreach (XmlElement item in channel.SelectNodes("Item"))
{
string name = item.GetAttribute("Name").Trim();
if (!string.IsNullOrEmpty(name))
{
HashSet <string> providerNames = null;
if (!aliases.TryGetValue(name, out providerNames))
{
providerNames = new HashSet <string>();
}
foreach (XmlElement provider in item.SelectNodes("Provider"))
{
if (!string.IsNullOrWhiteSpace(provider.InnerText))
{
providerNames.Add(provider.InnerText.Trim());
}
}
foreach (XmlElement satellite in item.SelectNodes("Satellite"))
{
if (!string.IsNullOrWhiteSpace(satellite.InnerText))
{
providerNames.Add(satellite.InnerText.Trim());
}
}
foreach (XmlElement place in item.SelectNodes("Place"))
{
if (!string.IsNullOrWhiteSpace(place.InnerText))
{
providerNames.Add(place.InnerText.Trim());
}
}
aliases[name] = providerNames;
}
}
if (aliases.Count > 0)
{
var logo = ctx.Logos.Create();
logo.Id = Guid.NewGuid();
logo.Name = System.IO.Path.GetFileNameWithoutExtension(logoFileName);
logo.Width = image.Width;
logo.Height = image.Height;
logo.SizeInBytes = logoData.Length;
logo.LastModified = DateTime.Now;
logo.Origin = logoUrl;
File.WriteAllBytes(Path.Combine(Server.MapPath("~/Logos"), logo.Id + ".png"), logoData);
Thumbnailer.CreateLogoThumb(image, logo.Id);
return(new Tuple <Dictionary <string, HashSet <string> >, string, EF.Logo>(aliases, logoFileName, logo));
}
else
{
throw new Exception(string.Format("No aliases defined for logo '{0}'", logoFileName));
}
}
else
{
throw new Exception(string.Format("Logo '{0}' is not a valid PNG", logoFileName));
}
}
}
}
}
}
catch (Exception ex)
{
errors.Add(ex.Message);
}
return(null);
}
