public UIBingImage GetLastBingImage()
{
using (DbConnection conn = Connection)
{
UIBingImage uiImage = null;
conn.Open();
DbCommand cmd = conn.CreateCommand();
cmd.CommandText = "SELECT TOP(1) * FROM [sys_LoginImages] ORDER BY [StartDate] DESC";
cmd.CommandType = CommandType.Text;
using (DbDataReader reader = cmd.ExecuteReader())
{
if (reader.HasRows && reader.Read())
{
uiImage = new UIBingImage();
uiImage.BingImageId = reader.GetGuid(0);
uiImage.StartDate = Convert.ToDateTime(reader[1]);
uiImage.EndDate = Convert.ToDateTime(reader[2]);
uiImage.Copyright = reader.GetString(3);
uiImage.ImageName = reader.GetString(4);
uiImage.BingHost = reader.GetString(5);
uiImage.ImageUrl = reader.GetString(6);
uiImage.ImageData = (byte[])reader.GetValue(7);
uiImage.Hotspots = reader.GetString(8);
uiImage.Messages = reader.GetString(9);
}
}
return(uiImage);
}
}
UIBingImage BingImageToUIBingImage(BingImage image)
{
UIBingImage uiImage = new UIBingImage();
uiImage.BingImageId = Guid.NewGuid();
uiImage.StartDate = image.StartDate;
uiImage.EndDate = image.EndDate;
uiImage.Copyright = image.Copyright;
uiImage.ImageName = FormatImageName(image.Copyright);
uiImage.BingHost = downloader.BingHost;
uiImage.ImageUrl = image.ImageUrl;
MemoryStream imageStream = new MemoryStream();
image.Image.Save(imageStream, ImageFormat.Jpeg);
uiImage.ImageData = imageStream.ToArray();
imageStream.Close();
uiImage.Hotspots = JsonConvert.SerializeObject(image.Hotspots);
uiImage.Messages = JsonConvert.SerializeObject(image.Messages);
return(uiImage);
}
public bool SaveTodayBingImage()
{
List <BingImage> images = null;
try
{
images = downloader.GetImage(1, 1);
if (images.Count == 0)
{
return(false);
}
BingImage image = images[0];
UIBingImage uiImage = BingImageToUIBingImage(image);
using (DbConnection conn = Connection)
{
conn.Open();
DbCommand cmd = conn.CreateCommand();
cmd.CommandText = "INSERT INTO [sys_LoginImages] VALUES (@BingImageId, @StartDate, @EndDate, @Copyright, @ImageName, @BingHost, @ImageUrl, @ImageData, @Hotspots, @Messages)";
cmd.CommandType = CommandType.Text;
DbParameter param = new SqlParameter("@BingImageId", DbType.Guid);
param.Value = uiImage.BingImageId;
cmd.Parameters.Add(param);
param = new SqlParameter("@StartDate", DbType.DateTime);
param.Value = uiImage.StartDate;
cmd.Parameters.Add(param);
param = new SqlParameter("@EndDate", DbType.DateTime);
param.Value = uiImage.EndDate;
cmd.Parameters.Add(param);
param = new SqlParameter("@Copyright", DbType.String);
param.Value = uiImage.Copyright;
cmd.Parameters.Add(param);
param = new SqlParameter("@ImageName", DbType.String);
param.Value = uiImage.ImageName;
cmd.Parameters.Add(param);
param = new SqlParameter("@BingHost", DbType.String);
param.Value = uiImage.BingHost;
cmd.Parameters.Add(param);
param = new SqlParameter("@ImageUrl", DbType.String);
param.Value = uiImage.ImageUrl;
cmd.Parameters.Add(param);
param = new SqlParameter("@ImageData", DbType.Binary);
param.Value = uiImage.ImageData;
cmd.Parameters.Add(param);
param = new SqlParameter("@Hotspots", DbType.String);
param.Value = uiImage.Hotspots;
cmd.Parameters.Add(param);
param = new SqlParameter("@Messages", DbType.String);
param.Value = uiImage.Messages;
cmd.Parameters.Add(param);
int val = cmd.ExecuteNonQuery();
return(val == 1);
}
}
catch (Exception e)
{
Logging.Log.Get().Current.Error("保存出现错误", e);
return(false);
}
}