public HttpResponseMessage Get(HttpRequestMessage request)
{
// 请确保该存储帐户是准备好了.
if (Global.StorageAccount == null)
{
if (!Global.InitializeStorage())
{
return(this.CreateStringResponse(HttpStatusCode.BadRequest,
"该服务目前不可用.请稍后再试."));
}
}
try
{
StoryDataContext storyDataContext = new StoryDataContext(Global.StorageAccount.TableEndpoint.AbsoluteUri, Global.StorageAccount.Credentials);
// 查询表存储.
var query = from s in storyDataContext.Stories select s;
// 将结果转换为一个简化的类，不包含分区/行键.
List <Story> stories = new List <Story>();
foreach (StoryDataModel.Story s in query)
{
stories.Add(new Story()
{
Name = s.Name, VideoUri = s.VideoUri
});
}
DataContractJsonSerializer jsonSerializer = new DataContractJsonSerializer(typeof(List <Story>));
using (MemoryStream stream = new MemoryStream())
{
jsonSerializer.WriteObject(stream, stories);
stream.Position = 0;
using (StreamReader reader = new StreamReader(stream))
{
string result = reader.ReadToEnd();
return(this.CreateJsonResponse(HttpStatusCode.OK, result));
}
}
}
catch (StorageClientException ex)
{
if (ex.StatusCode == HttpStatusCode.NotFound)
{
return(this.CreateStringResponse(HttpStatusCode.NotFound, "请求的Story不存在"));
}
// 一般错误，跟踪并返回泛用消息.
Trace.Write("处理表服务错误: " + ex.Message, "Error");
return(this.CreateStringResponse(HttpStatusCode.InternalServerError,
"该服务目前不可用.请稍后再试."));
}
catch (DataServiceQueryException ex2)
{
Trace.Write("处理表服务错误: " + ex2.Message, "Error");
return(this.CreateStringResponse(HttpStatusCode.InternalServerError,
"该服务目前不可用.请稍后再试."));
}
}
// Constructor
public App()
{
BugSenseHandler.Instance.InitAndStartSession(new ExceptionManager(Current), RootFrame, "8279d9f3");
Data = new FeedHelper.FeedData();
Data.FeedList = new ObservableCollection <string>();
if (System.IO.IsolatedStorage.IsolatedStorageSettings.ApplicationSettings.Count != 0)
{
foreach (string key in System.IO.IsolatedStorage.IsolatedStorageSettings.ApplicationSettings.Keys)
{
Data.FeedList.Add(System.IO.IsolatedStorage.IsolatedStorageSettings.ApplicationSettings[key].ToString());
Debug.WriteLine(System.IO.IsolatedStorage.IsolatedStorageSettings.ApplicationSettings[key].ToString());
}
}
if (Data.FeedList.Count == 0)
{
App.Data.FeedList.Add("http://smartfiction.ru?json=get_recent_posts&count=4");
}
using (StoryDataContext context = ConnectionFactory.GetStoryDataContext())
{
//context.DeleteDatabase();
if (context.DatabaseExists() == false)
{
context.CreateDatabase();
}
}
ViewModel = new ViewModel.MainViewModel();
//CopyToIsolatedStorage();
//Utilities.hyphenator = OpenLocal("Hyphenator.js");
//ADDED
ViewModel.FeedItems = new ObservableCollection <ViewModel.ContentItem>();
UnhandledException += Application_UnhandledException;
InitializeComponent();
InitializePhoneApplication();
}
private void TxtSearchHistory_OnTextChanged(object sender, TextChangedEventArgs e)
{
if (!string.IsNullOrEmpty(txtSearchHistory.Text) &&
string.Compare(txtSearchHistory.Text, "поиск", StringComparison.InvariantCultureIgnoreCase) != 0)
{
using (StoryDataContext context = ConnectionFactory.GetStoryDataContext())
{
App.ViewModel.History =
new ObservableCollection <Story>(
context.Stories.Where(s => s.Title.Contains(txtSearchHistory.Text) && !s.IsFavorite)
.OrderByDescending(s => s.DateCreated)
.ToList());
}
}
else
{
using (StoryDataContext context = ConnectionFactory.GetStoryDataContext())
{
App.ViewModel.History = new ObservableCollection <Story>(context.Stories.Where(s => !s.IsFavorite).OrderByDescending(s => s.DateCreated).ToList());
}
}
}
// Constructor
public App()
{
BugSenseHandler.Instance.Init(this, "a9b557af");
Data = new FeedHelper.FeedData();
Data.FeedList = new ObservableCollection <string>();
if (System.IO.IsolatedStorage.IsolatedStorageSettings.ApplicationSettings.Count != 0)
{
foreach (string key in System.IO.IsolatedStorage.IsolatedStorageSettings.ApplicationSettings.Keys)
{
Data.FeedList.Add(System.IO.IsolatedStorage.IsolatedStorageSettings.ApplicationSettings[key].ToString());
Debug.WriteLine(System.IO.IsolatedStorage.IsolatedStorageSettings.ApplicationSettings[key].ToString());
}
}
if (Data.FeedList.Count == 0)
{
App.Data.FeedList.Add("http://smartfiction.ru?json=get_recent_posts&count=4");
}
using (StoryDataContext context = ConnectionFactory.GetStoryDataContext())
{
//context.DeleteDatabase();
if (context.DatabaseExists() == false)
{
context.CreateDatabase();
}
}
ViewModel = new ViewModel.MainViewModel();
//ADDED
ViewModel.FeedItems = new ObservableCollection <ViewModel.ContentItem>();
BugSenseHandler.Instance.UnhandledException += Application_UnhandledException;
//UnhandledException += Application_UnhandledException;
InitializeComponent();
InitializePhoneApplication();
}
public override void Run()
{
// 这是worker实现示例.请替换为您的逻辑.
Trace.WriteLine("VideoEncodingWorkerRole入口点调用", "Information");
// 获取本地存储的路径 .
string localStorageRoot = RoleEnvironment.GetLocalResource("PhotoStore").RootPath;
string diagnosticsRoot = RoleEnvironment.GetLocalResource("DiagnosticStore").RootPath;
while (true)
{
try
{
// 从队列中得到一条消息.
CloudQueueMessage message = this._queue.GetMessage(TimeSpan.FromMinutes(20d));
if (message != null)
{
string storyID = message.AsString;
// 短影无法编码...
if (message.DequeueCount > 3)
{
Trace.Write("短影" + storyID + "已尝试多次均未能被处理.", "Error");
this._queue.DeleteMessage(message);
}
else
{
Trace.Write("开始处理短影" + storyID + ".", "Information");
string storyFolderPath = Path.Combine(localStorageRoot, storyID);
Directory.CreateDirectory(storyFolderPath);
// 下载Xml 配置文件.
CloudBlob blob = this._container.GetBlobReference(storyID + ".xml");
string config = blob.DownloadText();
XDocument xdoc = XDocument.Parse(config);
string storyName = xdoc.Root.Attribute("Name").Value;
foreach (var photo in xdoc.Root.Elements("Photo"))
{
// 下载照片，并将其保存在本地存储.
string photoBlobUri = photo.Attribute("Uri").Value;
CloudBlob photoBlob = this._container.GetBlobReference(photoBlobUri);
string localPhotoFilePath = Path.Combine(localStorageRoot, storyID, photo.Attribute("Name").Value);
photoBlob.DownloadToFile(localPhotoFilePath);
// 修改图片的名称，包括完整路径 .
photo.Attribute("Name").Value = localPhotoFilePath;
}
// 保存配置文件到本地存储.
string configFilePath = Path.Combine(localStorageRoot, storyID + ".xml");
xdoc.Save(configFilePath, SaveOptions.None);
// 编码视频.
string outputFilePath = Path.Combine(localStorageRoot, storyID + ".mp4");
string logFilePath = Path.Combine(diagnosticsRoot, storyID + ".log");
int hr = NativeMethods.EncoderVideo(configFilePath, outputFilePath, logFilePath);
if (hr != 0)
{
Trace.Write("编码短影" + storyID + "时出错. 非托管代码返回的HRESULT: " + hr + ".", "Error");
}
else
{
// 上传结果视频至blob.
string blobName = storyID + "/";
blobName += string.IsNullOrEmpty(storyName) ? storyID : storyName;
blobName += ".mp4";
CloudBlob outputBlob = this._container.GetBlobReference(blobName);
outputBlob.UploadFile(outputFilePath);
outputBlob.Properties.ContentType = "video/mp4";
outputBlob.SetProperties();
StoryDataContext storyDataContext = new StoryDataContext(
this._storageAccount.TableEndpoint.AbsoluteUri,
this._storageAccount.Credentials);
storyDataContext.AddObject("Stories", new Story(storyID, storyName, outputBlob.Uri.AbsoluteUri));
storyDataContext.SaveChanges();
// 删除本地文件.
File.Delete(configFilePath);
File.Delete(outputFilePath);
foreach (string fileName in Directory.GetFiles(storyFolderPath))
{
File.Delete(fileName);
}
Directory.Delete(storyFolderPath);
this._queue.DeleteMessage(message);
// TODO: 我们应该从 blob删除短影的配置文件和照片?
Trace.Write("短影 " + storyID + " 成功编码.", "Information");
}
}
}
}
catch (Exception ex)
{
Trace.Write("处理短影错误: " + ex.Message);
}
Thread.Sleep(10000);
}
}
