public OpenSocialHelper(int viewerId, int ownerId, Page page)
{
this.viewerId = viewerId;
this.ownerId = ownerId;
this.isDebug = page.Session != null && page.Session[OPENSOCIAL_DEBUG] != null && (bool)page.Session[OPENSOCIAL_DEBUG];
this.noCache = page.Session != null && page.Session[OPENSOCIAL_NOCACHE] != null && (bool)page.Session[OPENSOCIAL_NOCACHE];
this.pageName = page.AppRelativeVirtualPath.Substring(2);
if (ConfigUtil.GetConfigItem("OpenSocialURL") == null)
{
// do nothing
return;
}
Random random = new Random();
bool gadgetLogin = page.AppRelativeVirtualPath.EndsWith("gadgetlogin.aspx");
String requestAppId = page.Request.QueryString["appId"];
Dictionary <string, GadgetSpec> dbApps = new Dictionary <string, GadgetSpec>();
Dictionary <string, GadgetSpec> officialApps = new Dictionary <string, GadgetSpec>();
// Load gadgets from the DB first
IDataReader reader = null;
try
{
Database db = DatabaseFactory.CreateDatabase();
string sqlCommand = "select appId, name, url, channels, enabled from shindig_apps";
// if a specific app is requested, only grab it
if (requestAppId != null)
{
sqlCommand += " where appId = " + requestAppId;
}
DbCommand dbCommand = db.GetSqlStringCommand(sqlCommand);
reader = db.ExecuteReader(dbCommand);
while (reader.Read())
{
GadgetSpec spec = new GadgetSpec(Convert.ToInt32(reader[0]), reader[1].ToString(), reader[2].ToString(), reader[3].ToString());
string gadgetFileName = GetGadgetFileNameFromURL(reader[2].ToString());
dbApps.Add(gadgetFileName, spec);
if (requestAppId != null || Convert.ToBoolean(reader[4]))
{
officialApps.Add(gadgetFileName, spec);
}
}
}
catch (Exception e)
{
throw new Exception(e.Message);
}
finally
{
if (reader != null)
{
reader.Close();
}
}
// Add manual gadgets if there are any
// Note that this block of code only gets executed after someone logs in with gadgetlogin.aspx!
int moduleId = 0;
if (page.Session != null && (string)page.Session[OPENSOCIAL_GADGETS] != null)
{
String openSocialGadgetURLS = (string)page.Session[OPENSOCIAL_GADGETS];
String[] urls = openSocialGadgetURLS.Split(Environment.NewLine.ToCharArray());
for (int i = 0; i < urls.Length; i++)
{
String openSocialGadgetURL = urls[i];
if (openSocialGadgetURL.Length == 0)
{
continue;
}
int appId = 0; // if URL matches one in the DB, use DB provided appId, otherwise generate one
string gadgetFileName = GetGadgetFileNameFromURL(openSocialGadgetURL);
string name = gadgetFileName;
string[] channels = new string[0];
bool sandboxOnly = true;
if (dbApps.ContainsKey(gadgetFileName))
{
appId = dbApps[gadgetFileName].GetAppId();
name = dbApps[gadgetFileName].GetName();
channels = dbApps[gadgetFileName].GetChannels();
sandboxOnly = false;
}
else
{
CharEnumerator ce = openSocialGadgetURL.GetEnumerator();
while (ce.MoveNext())
{
appId += (int)ce.Current;
}
}
// if they asked for a specific one, only let it in
if (requestAppId != null && Convert.ToInt32(requestAppId) != appId)
{
continue;
}
GadgetSpec gadget = new GadgetSpec(appId, name, openSocialGadgetURL, channels, sandboxOnly);
// only add ones that are visible in this context!
if (sandboxOnly || gadget.Show(viewerId, ownerId, page.AppRelativeVirtualPath.Substring(2)))
{
String securityToken = SocketSendReceive(viewerId, ownerId, "" + gadget.GetAppId());
gadgets.Add(new PreparedGadget(gadget, this, moduleId++, securityToken));
}
}
}
// if no manual one were added, use the ones from the DB
if (gadgets.Count == 0)
{
// Load DB gadgets
if (gadgetLogin)
{
officialApps = dbApps;
}
foreach (KeyValuePair <string, GadgetSpec> pair in officialApps)
{
GadgetSpec gadget = new GadgetSpec(pair.Value.GetAppId(), pair.Value.GetName(), pair.Value.GetGadgetURL(), pair.Value.GetChannels(), false);
// only add ones that are visible in this context!
if (gadgetLogin || gadget.Show(viewerId, ownerId, GetPageName()))
{
String securityToken = SocketSendReceive(viewerId, ownerId, "" + gadget.GetAppId());
gadgets.Add(new PreparedGadget(gadget, this, moduleId++, securityToken));
}
}
}
// sort the gadgets
gadgets.Sort();
// trigger the javascript to render gadgets
HtmlGenericControl body = (HtmlGenericControl)page.Master.FindControl("bodyMaster");
if (body == null)
{
body = (HtmlGenericControl)page.Master.Master.FindControl("bodyMaster");
}
body.Attributes.Add("onload", "my.init();");
}