public String getSpots()
{
List <SpotModel> list = new List <SpotModel>();
XmlDocument xmlDoc = new XmlDocument();
String spotXml = HttpContext.Current.Server.MapPath("~/App_Data/Spot.xml");
xmlDoc.Load(spotXml);
XmlNodeList spotList = xmlDoc.SelectNodes("/Spots[@*]/Spot");
foreach (XmlNode spotNode in spotList)
{
SpotModel spot = new SpotModel();
// get name
spot.name = Security.Decryption(spotNode.Attributes["Name"].Value);
// get image
String path = HttpContext.Current.Server.MapPath("~/Thumbnail/") + spot.name + ".jpg";
Image image = Image.FromFile(path);
MemoryStream stream = new MemoryStream();
image.Save(stream, ImageFormat.Jpeg);
stream.Position = 0;
byte[] array = stream.ToArray();
spot.imgBytes = array;
//spot.imgStr = Encoding.UTF8.GetString(array,0,array.Length);
// get location
SpotLocation location = new SpotLocation();
location.state = Security.Decryption(spotNode.SelectSingleNode("Location").SelectSingleNode("State").InnerText);
location.city = Security.Decryption(spotNode.SelectSingleNode("Location").SelectSingleNode("City").InnerText);
location.zipcode = Security.Decryption(spotNode.SelectSingleNode("Location").SelectSingleNode("ZipCode").InnerText);
spot.location = location;
//get introduction
spot.introduction = Security.Decryption(spotNode.SelectSingleNode("Introduction").InnerText);
//get price
spot.price = Security.Decryption(spotNode.SelectSingleNode("Price").InnerText);
list.Add(spot);
}
SpotRootObject rootObj = new SpotRootObject();
rootObj.list = list;
String json = JsonConvert.SerializeObject(rootObj);
return(json);
}
public Boolean addSpot(String json)
{
try
{
SpotRootObject rootObj = JsonConvert.DeserializeObject <SpotRootObject>(json);
SpotModel key = rootObj.key;
//Add spot into spot.xml
String spotXml = HttpContext.Current.Server.MapPath("~/App_Data/Spot.xml");
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(spotXml);
//create a new spot element and set value or attribute
XmlElement spot = xmlDoc.CreateElement("Spot");
spot.SetAttribute("Name", Security.Encryption(key.name));
xmlDoc.SelectSingleNode("/Spots").AppendChild(spot);
// location
XmlElement location = xmlDoc.CreateElement("Location");
spot.AppendChild(location);
XmlElement state = xmlDoc.CreateElement("State");
state.InnerText = Security.Encryption(key.location.state);
location.AppendChild(state);
XmlElement city = xmlDoc.CreateElement("City");
city.InnerText = Security.Encryption(key.location.city);
location.AppendChild(city);
XmlElement zipcode = xmlDoc.CreateElement("ZipCode");
zipcode.InnerText = Security.Encryption(key.location.zipcode);
location.AppendChild(zipcode);
// image stream save as jpg file
Image img = Image.FromStream(new MemoryStream(key.imgBytes));
var ratio = (double)225 / img.Height;
int imgHeight = (int)(img.Height * ratio);
int imgWidth = (int)(img.Width * ratio);
Image.GetThumbnailImageAbort dCallBack = new Image.GetThumbnailImageAbort(ThumbnailCallback);
Image thumbnailImg = img.GetThumbnailImage(imgWidth, imgHeight, dCallBack, IntPtr.Zero);
String imgFile = key.name + ".jpg";
thumbnailImg.Save(Path.Combine(HttpContext.Current.Server.MapPath("~/Thumbnail"), imgFile), ImageFormat.Jpeg);
thumbnailImg.Dispose();
// introduction
XmlElement intro = xmlDoc.CreateElement("Introduction");
intro.InnerText = Security.Encryption(key.introduction);
spot.AppendChild(intro);
// price
XmlElement price = xmlDoc.CreateElement("Price");
price.InnerText = Security.Encryption(key.price);
spot.AppendChild(price);
xmlDoc.Save(spotXml);
return(true);
}
catch { return(false); }
}