/// <summary>
/// Create a new Medium object.
/// </summary>
/// <param name="id">Initial value of the ID property.</param>
/// <param name="url">Initial value of the Url property.</param>
/// <param name="sourceSiteID">Initial value of the SourceSiteID property.</param>
public static Medium CreateMedium(global::System.Int32 id, global::System.String url, global::System.Int32 sourceSiteID)
{
Medium medium = new Medium();
medium.ID = id;
medium.Url = url;
medium.SourceSiteID = sourceSiteID;
return medium;
}
private static void addTweet(VisualizationEntities db, DateTime date, string handle, string tweet, string url)
{
counter++;
Debug.Print("Counter: " + counter);
HashSet<string> seenUrls = new HashSet<string>();
Debug.Print("Tweet: " + tweet);
Regex linkParser = new Regex(@"\b(?:http://|www\.)\S+\b", RegexOptions.Compiled | RegexOptions.IgnoreCase);
string id = url.Split('/').Last();
DB2.Tweet newTweet = new DB2.Tweet() { TweetText = tweet, Date = date, Username = handle.Split(' ').First(), TweetID = id };
if (!db.Tweets.Select(i => i.TweetID).Contains(id)) {
db.Tweets.AddObject(newTweet);
db.SaveChanges();
} else {
return;
}
foreach (Match m in linkParser.Matches(tweet)) {
string fullUrl = "";
string uniqueUrl = "";
try {
fullUrl = m.Value.ExpandUrl();
uniqueUrl = fullUrl.UnuiqeUrl();
} catch {
continue;
}
if (fullUrl.Count() > 300 || db.Websites.Any(i => i.Url == fullUrl)) {
continue;
}
Debug.Print("Website: " + fullUrl);
string websiteUrl;
var seen = db.Websites.Where(i => i.Url == uniqueUrl).SingleOrDefault();
if (seen != null) {
seen.HitCount++;
websiteUrl = seen.Url;
db.SaveChanges();
} else {
var page = new PageScraper(fullUrl);
var website = new DB2.Website() { Url = page.Url, Title = page.Title() };
db.Websites.AddObject(website);
db.SaveChanges();
foreach (var m2 in page.Media()) {
if (m2.Link.Count() > 300 || db.Media.Any(i => i.Url == m2.Link)) {
continue;
}
try {
DB2.Medium media = new DB2.Medium() { Type = m2.Type, Url = m2.Link, SourceSiteID = website.ID };
if (m2.Type == "image") {
var request = WebRequest.Create(m2.Link);
using (var response = request.GetResponse())
using (var stream = response.GetResponseStream())
using (var b = System.Drawing.Bitmap.FromStream(stream)) {
media.Width = b.Width;
media.Height = b.Height;
}
}
db.Media.AddObject(media);
db.SaveChanges();
Debug.Print("Media element: " + m2.Link);
} catch {
}
}
websiteUrl = website.Url;
}
}
db.SaveChanges();
}
/// <summary>
/// Deprecated Method for adding a new object to the Media EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToMedia(Medium medium)
{
base.AddObject("Media", medium);
}