public static void SendStatement(string activity)
{
string email = "mailto:";
email += username;
Statement[] statements = new Statement[1];
Activity newAct = new Activity("http://35.9.22.105/xapi");
LanguageMap inter = new LanguageMap();
inter.Add("en-US", "Interacted");
System.Uri verbURI = new System.Uri("http://verbs/interaction/");
StatementVerb interact = new StatementVerb(verbURI, inter);
newAct.Definition = new ActivityDefinition();
newAct.Definition.Name = new LanguageMap();
newAct.Definition.Description = new LanguageMap();
newAct.Definition.Description.Add("type", "Desktop Application Learning Activity");
newAct.Definition.Name.Add("en-US", activity);
Random rand = new Random();
int random = rand.Next();
newAct.Id = "http://" + random.ToString() + "/desktopapp/" + activity;
statements[0] = new Statement(new Actor(username, email), interact, newAct);
try
{
tincan.StoreStatements(statements);
}
catch (Exception e)
{
_offlineQueuedStatements.Enqueue(statements[0]);
}
}
/// <summary>
/// Returns the specified number of statements off the top of the queue as a statement array
/// </summary>
/// <param name="count">The maximum number of statements to pull</param>
/// <returns>An array of statements from the queue or null if empty</returns>
/// <remarks>Returning null or an empty array is up to the implementer. Our TCAPI implementation supports either method.</remarks>
public Statement[] GetQueuedStatements(int count)
{
if (count > statementList.Count)
count = statementList.Count;
if (count == 0)
return null;
Statement[] statements = new Statement[count];
for (int i = 0; i < count; i++)
statements[i] = statementList[i];
return statements;
}
public static void JSObject()
{
Console.WriteLine("Start\n\n");
//TCAPI tincan = new TCAPI(new Uri("http://35.9.22.105:8000/xapi"), new BasicHTTPAuth("Dave", "12345"));
Statement[] statements = new Statement[1];
Activity newAct = new Activity("http://www.google.com");
newAct.Definition = new ActivityDefinition();
newAct.Definition.Name = new LanguageMap();
newAct.Definition.Name.Add("en-US", "Testing");
statements[0] = new Statement(new Actor("Guess Who", "mailto:guesswho"), new StatementVerb(PredefinedVerbs.Created), newAct);
TCAPI tincan = new TCAPI(new Uri("http://35.9.22.105:8000/xapi"), new BasicHTTPAuth("Joe", "123"), RusticiSoftware.TinCanAPILibrary.Helper.TCAPIVersion.TinCan1p0p0);
tincan.StoreStatements(statements);
Console.WriteLine("End\n");
}
/// <summary>
/// Returns true if the statements were sent successfully
/// </summary>
/// <returns></returns>
public static bool ResendQueuedStatements()
{
bool sendSuccessful = false;
try
{
while (_offlineQueuedStatements.Count > 0)
{
Statement[] tempStatements = new Statement[1];
tempStatements[0] = _offlineQueuedStatements.Peek();
tincan.StoreStatements(tempStatements);
// If it makes it to this point, an exception wasn't thrown and the statement was sent successfully
_offlineQueuedStatements.Dequeue();
sendSuccessful = true;
}
}
catch (Exception e)
{
sendSuccessful = false;
}
return sendSuccessful;
}
/// <summary>
/// Adds the set of statements to the Queue
/// </summary>
/// <param name="statements">Statements to enqueue</param>
public void AddToStatementQueue(Statement[] statements)
{
foreach (Statement s in statements)
statementList.Add(s);
}
/// <summary>
/// Voids a series of statements using the administrator actor
/// </summary>
/// <param name="statementIdsToVoid">A list of statement IDs</param>
/// <param name="synchronous"></param>
public void VoidStatements(string[] statementIdsToVoid, bool synchronous)
{
if (synchronous)
{
VoidStatements(statementIdsToVoid);
return;
}
TinCanJsonConverter converter = new TinCanJsonConverter();
Statement[] statements = new Statement[statementIdsToVoid.Length];
for (int i = 0; i < statementIdsToVoid.Length; i++)
{
Statement voided = new Statement();
switch (version)
{
case TCAPIVersion.TinCan090:
voided.Object = new Model.TinCan090.TargetedStatement(statementIdsToVoid[i]);
break;
default:
voided.Object = new StatementRef(statementIdsToVoid[i]);
break;
}
voided.Verb = new StatementVerb(PredefinedVerbs.Voided);
voided.Actor = adminActor;
statements[i] = voided;
}
offlineStorage.AddToStatementQueue(statements);
}
/// <summary>
/// Voids a series of statements using the administrator actor
/// </summary>
/// <param name="statementIdsToVoid">A list of statement IDs</param>
/// <param name="synchronous"></param>
public void VoidStatements(string[] statementIdsToVoid)
{
Statement[] statementsToVoid = new Statement[statementIdsToVoid.Length];
for (int i = 0; i < statementIdsToVoid.Length; i++)
{
Statement voided = new Statement();
switch (version)
{
case TCAPIVersion.TinCan090:
voided.Object = new Model.TinCan090.TargetedStatement(statementIdsToVoid[i]);
break;
default:
voided.Object = new StatementRef(statementIdsToVoid[i]);
break;
}
voided.Verb = new StatementVerb(PredefinedVerbs.Voided);
voided.Actor = adminActor;
statementsToVoid[i] = voided;
}
StoreStatements(statementsToVoid);
}
/// <summary>
/// Stores multiple statements asynchronously
/// </summary>
/// <param name="statements">An array of statements to store</param>
/// <param name="synchronous">When true, stores statements synchronously. When false, adds the statements to the queue.</param>
/// <remarks></remarks>
public void StoreStatements(Statement[] statements, bool synchronous)
{
if (synchronous)
{
StoreStatements(statements);
return;
}
foreach (Statement s in statements)
{
var failures = new List<ValidationFailure>(s.Validate(earlyReturnOnFailure: true));
if (failures.Count > 0)
{
throw new ArgumentException(failures[0].Error, "statements");
}
}
offlineStorage.AddToStatementQueue(statements);
}
/// <summary>
///A test for StoreStatements
///</summary>
//[TestMethod()]
public void StoreStatementsAsyncTest()
{
TCAPI target = new TCAPI("https://cloud.scorm.com/ScormEngineInterface/TCAPI/CZSWMUZPSE", new BasicHTTPAuth("CZSWMUZPSE", "vwiuflgsY22FDXpHA4lwwe5hrnUXvcyJjW3fDrpH"), new TCAPICallback(), new OfflineStorage(), 750, 2);
Statement[] statements = new Statement[6];
for (int i = 0; i < statements.Length; i++)
{
int j = i % 3;
switch (j)
{
case 0:
statements[i] = new Statement(new Actor("Mufasa", "mailto:[email protected]"), new StatementVerb(PredefinedVerbs.Experienced), new TinCanActivity("test activity"));
break;
case 1:
statements[i] = new Statement(new Actor("Carl", "mailto:[email protected]"), new StatementVerb(PredefinedVerbs.Experienced), new TinCanActivity("TinCanClientLibrary"));
break;
case 2:
statements[i] = new Statement(new Actor("DiBiase", "mailto:[email protected]"), new StatementVerb(PredefinedVerbs.Experienced), new TinCanActivity("test activity"));
break;
}
}
target.StoreStatements(statements, false);
//target.Flush();
Statement[] statementSize;
while ((statementSize = target.OfflineStorage.GetQueuedStatements(1)) != null
&& (statementSize.Length > 0))
{
Thread.Sleep(500);
Console.WriteLine("Waiting");
}
target.Dispose(); // Releases the thread timer handle
// If all statements successfully flush out of the buffer AND no exceptions are thrown (which should repopulate the buffer)
// then the test was successful and the final statementSize should be null, indicating an empty queue.
// The default implementation returns a null object. However you may also return a size-0 array, all checks ensure both.
Assert.IsTrue(statementSize == null || statementSize.Length == 0);
}
/// <summary>
/// Stores a single statement
/// </summary>
/// <param name="statement">The statement to store</param>
public void StoreStatement(Statement statement)
{
StoreStatements(new Statement[] { statement });
}
/// <summary>
/// Retreives a statement with a given ID
/// </summary>
/// <param name="statementId">Statement to retreive</param>
/// <returns>The statement with this ID</returns>
public Statement GetStatement(string statementId)
{
Statement statement = new Statement();
statement.Id = statementId;
TinCanJsonConverter converter = new TinCanJsonConverter();
string statementToGet = converter.SerializeToJSON(statement);
NameValueCollection nvc = new NameValueCollection();
nvc["statementId"] = statementId;
string result = HttpMethods.GetRequest(nvc, endpoint + STATEMENTS, authentification, versionString);
Statement statementResult = null;
switch (version)
{
case TCAPIVersion.TinCan090:
statementResult = (Statement)((Model.TinCan090.Statement)converter.DeserializeJSON(result, typeof(Model.TinCan090.Statement)));
break;
case TCAPIVersion.TinCan095:
statementResult = (Statement)converter.DeserializeJSON(result, typeof(Statement));
break;
}
return statementResult;
}
/// <summary>
/// Stores statements synchronously, must be called from a separate thread
/// </summary>
/// <param name="statements">Statements to store</param>
/// <param name="callback">Callback to signal upon completion</param>
private void StoreStatements(Statement[] statements, AsyncPostCallback callback)
{
// Break the statement into a 2D array. First index is the number of batches, second is the number of
// statements in that batch, which is either maxBatchSize or statements.Length % maxBatchSize
Statement[][] batches = new Statement[(statements.Length - 1) / maxBatchSize + 1][];
for (int i = 0; i < batches.Length; i++)
{
batches[i] = new Statement[statements.Length - (maxBatchSize * (i + 1)) >= 0 ? maxBatchSize : statements.Length % maxBatchSize];
Array.Copy(statements, i * maxBatchSize, batches[i], 0, batches[i].Length);
}
for (int round = 0; round < batches.Length; round++)
{
foreach (Statement s in batches[round])
{
var failures = new List<ValidationFailure>(s.Validate(earlyReturnOnFailure: true));
if (failures.Count > 0)
{
throw new ArgumentException(failures[0].Error, "statements");
}
}
TinCanJsonConverter converter = new TinCanJsonConverter();
string postData;
switch (version)
{
case TCAPIVersion.TinCan090:
Model.TinCan090.Statement[] currentBatch = new RusticiSoftware.TinCanAPILibrary.Model.TinCan090.Statement[batches[round].Length];
for (int i = 0; i < currentBatch.Length; i++)
currentBatch[i] = (Model.TinCan090.Statement)batches[round][i];
postData = converter.SerializeToJSON(currentBatch);
break;
default:
postData = converter.SerializeToJSON(batches[round]);
break;
}
HttpMethods.PostRequest(postData, endpoint + STATEMENTS, authentification, callback, versionString);
}
}
/// <summary>
/// This method is fired by the AsyncPostCallback every time FlushAsync succeeds.
/// </summary>
private void PostSuccess(Statement[] statements)
{
offlineStorage.RemoveStatementsFromQueue(statements.Length);
}
private void PostFailed(Statement[] statements, Exception e)
{
offlineStorage.RemoveStatementsFromQueue(statements.Length);
}
/// <summary>
/// Stores multiple statements asynchronously
/// </summary>
/// <param name="statements">An array of statements to store</param>
/// <param name="synchronous">When true, stores statements synchronously. When false, adds the statements to the queue.</param>
/// <remarks></remarks>
public void StoreStatements(Statement[] statements, bool synchronous)
{
if (synchronous)
{
StoreStatements(statements);
return;
}
foreach (Statement s in statements)
{
s.Validate();
}
offlineStorage.AddToStatementQueue(statements);
}
/// <summary>
/// Handles the case in which the statements fail to post
/// </summary>
/// <param name="failedBatch">The batch of statements that failed</param>
/// <param name="e">The thrown exception, usually a webexception</param>
public void StatementsFailed(Statement[] failedBatch, Exception e)
{
throw e;
}
/// <summary>
/// Indicator of storing success. This will allow the TCAPI object to continue Asynchronous flushing.
/// </summary>
/// <param name="statements"></param>
public void StatementsStored(Statement[] statements)
{
}
/// <summary>
/// Stores a single statement asynchronously
/// </summary>
/// <param name="statement">The statement to store</param>
public void StoreStatement(Statement statement, bool synchronous)
{
StoreStatements(new Statement[] { statement }, synchronous);
}
/// <summary>
///A test for StoreStatement
///</summary>
///
//[TestMethod()]
public void StoreStatementTest()
{
TCAPI target = new TCAPI("http://cloud.scorm.com/ScormEngineInterface/TCAPI/public", new BasicHTTPAuth("test", "password"));
target.MaxBatchSize = 1;
Statement[] statements = new Statement[1];
TinCanActivity activity = new TinCanActivity("http://www.example.com");
activity.Definition = new ActivityDefinition();
activity.Definition.Name = new LanguageMap();
activity.Definition.Name.Add("en-US", "TCAPI C# 0.95 Library.");
statements[0] = new Statement(new Actor("Example", "mailto:[email protected]"), new StatementVerb(PredefinedVerbs.Experienced), activity);
target.StoreStatements(statements);
Assert.Inconclusive(INCONCLUSIVE);
}
/// <summary>
/// Stores multiple statements
/// </summary>
/// <param name="statements">An array of statements to store</param>
public void StoreStatements(Statement[] statements)
{
StoreStatements(statements, null);
}
