private static void convertEntries(Tweets model, List<Twitter.entry> entries)
{
bool first = true;
foreach (var tweet in entries)
{
if (first)
{
model.name = tweet.user.name;
model.profile_image_url = tweet.user.profile_image_url;
model.screen_name = tweet.user.screen_name;
first = false;
}
model.Items.Add(new Twitter.entryModel
{
created_at_display = convertDateString(tweet.created_at),
text = tweet.text
});
}
}
public static Tweets GetTweets(string screenName)
{
Stopwatch watch = new Stopwatch();
watch.Start();
Tweets ret = new Tweets();
TwitterTweets tweets = new TwitterTweets();
ret.screen_name = screenName;
try
{
bool requestSucceeded = false;
try
{
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create("https://api.twitter.com/1/statuses/user_timeline.json?include_entities=true&screen_name=" + screenName + "&count=25&include_rts=1");
request.Timeout = 4000;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(List<Twitter.entry>));
var outStream = response.GetResponseStream();
tweets.Items = serializer.ReadObject(outStream) as List<Twitter.entry>;
outStream.Close();
convertEntries(ret, tweets.Items);
try
{
if (ret.Items.Count > 0) //overwrite file cache only when some items are returned
{
LocalResource ls = RoleEnvironment.GetLocalResource("localStore");
using (FileStream stream = File.OpenWrite(ls.RootPath + "WindowsAzure-" + screenName + ".json"))
{
serializer.WriteObject(stream, tweets.Items);
}
}
}
catch (Exception exp)
{
Trace.WriteLine(exp.ToString());
}
requestSucceeded = true;
}
catch (Exception exp)
{
Trace.WriteLine(exp.ToString());
requestSucceeded = false;
}
if (!requestSucceeded)
{
try
{
LocalResource ls = RoleEnvironment.GetLocalResource("localStore");
string newCachedFile = ls.RootPath + "WindowsAzure-" + screenName + ".json";
if (File.Exists(newCachedFile)) //has previously cached file
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(List<Twitter.entry>));
using (FileStream stream = File.OpenRead(newCachedFile))
{
tweets.Items = serializer.ReadObject(stream) as List<Twitter.entry>;
}
}
else //fall back to default demo data
{
MemoryStream stream = new MemoryStream(Resources.WindowsAzure);
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(List<Twitter.entry>));
tweets.Items = serializer.ReadObject(stream) as List<Twitter.entry>;
stream.Close();
convertEntries(ret, tweets.Items);
}
}
catch (Exception exp)
{
Trace.WriteLine(exp.ToString());
}
}
}
catch (Exception exp)
{
Trace.WriteLine(exp.ToString());
}
watch.Stop();
if (watch.ElapsedMilliseconds < 1500)
Thread.Sleep((int)(1500 + rand.Next(0,200) - watch.ElapsedMilliseconds));
return ret;
}
public static Tweets GetTweets(string screenName)
{
Stopwatch watch = new Stopwatch();
watch.Start();
Tweets ret = new Tweets();
TwitterTweets tweets = new TwitterTweets();
ret.screen_name = screenName;
try
{
bool requestSucceeded = false;
try
{
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create("https://api.twitter.com/1/statuses/user_timeline.json?include_entities=true&screen_name=" + screenName + "&count=25&include_rts=1");
request.Timeout = 4000;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(List<Twitter.entry>));
var outStream = response.GetResponseStream();
tweets.Items = serializer.ReadObject(outStream) as List<Twitter.entry>;
outStream.Close();
convertEntries(ret, tweets.Items);
requestSucceeded = true;
}
catch (Exception exp)
{
Trace.WriteLine(exp.ToString());
requestSucceeded = false;
}
if (!requestSucceeded)
{
try
{
MemoryStream stream = new MemoryStream(Resources.WindowsAzure);
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(List<Twitter.entry>));
tweets.Items = serializer.ReadObject(stream) as List<Twitter.entry>;
stream.Close();
convertEntries(ret, tweets.Items);
}
catch (Exception exp)
{
Trace.WriteLine(exp.ToString());
}
}
}
catch (Exception exp)
{
Trace.WriteLine(exp.ToString());
}
watch.Stop();
if (watch.ElapsedMilliseconds < 1500)
Thread.Sleep((int)(1500 + rand.Next(0,200) - watch.ElapsedMilliseconds));
return ret;
}