/// <summary>
/// Creates the game screen manager using the specified texture
/// </summary>
/// <param name="texture">The texture to use when fading the screen</param>
/// <returns>The singleton instance of this class</returns>
public static SCORM CreateInstance()
{
if (instance == null)
instance = new SCORM();
return instance;
}
public JsonResult LMSInitialize([FromBody] LMSInfo o)
{
// arguments: sco_identifier, SCORM_course_id, user_id, core_id
// (arguments are passed in the LMSInfo object)
if ((o is null || !SCORM.isInteger(o.scormCourseId)) || (!SCORM.isInteger(o.coreId)))
{
LMSInfo o1 = new LMSInfo();
o1.errorCode = "201";
o1.errorString = "Invalid or incomplete data, can't initialize";
o1.returnValue = "false";
return(Json(o1));
}
// set up data record if needed (this record holds launch, suspend info
// there might be one data record for many core_id records
int cmi_data_id = DatabaseHelper.GetCmiDataID(o.userId.ToString(), o.scoIdentifier, o.scormCourseId);
if (cmi_data_id == 0)
{
// see if there's any launch data
// Note I'm just doing launch data right now. Add others as needed
string launch_data = "", max_time_allowed = "", time_limit_action = "";
int Scorm_course_id = 0;
DatabaseHelper.ConvertToInt(o.scormCourseId, out Scorm_course_id);
// insert cmi_data row. This tells us, for prerequisites, that this object has been
// attempted
DatabaseHelper.InsertCMIData(o.userId, o.scoIdentifier, Scorm_course_id, launch_data, max_time_allowed, null, time_limit_action);
}
o.errorCode = "0";
o.returnValue = "true";
o.errorString = "";
return(Json(o));
}
public JsonResult LMSSetValue([FromBody] LMSInfo o)
{
if (o is null)
{
LMSInfo o1 = new LMSInfo();
o1.errorCode = "201";
o1.errorString = "Invalid or incomplete data, can't initialize";
o1.returnValue = "false";
return(Json(o1));
}
SCORM.Setvalue(o); // the SetValue object takes care of all Setvalue calls
return(Json(o));
}
public JsonResult LMSGetValue([FromBody] LMSInfo o)
{
if (o is null)
{
LMSInfo o1 = new LMSInfo();
o1.errorCode = "201";
o1.errorString = "Invalid or incomplete data, can't initialize";
o1.returnValue = "false";
return(Json(o1));
}
SCORM.Getvalue(o); //The GetValue static class handles all GetValues
return(Json(o));
}
public JsonResult LMSFinish([FromBody] LMSInfo o)
{
// handle LMSFinish
// arguments: sessionid, sco_identifier, core_id
// (arguments are passed in the LMSInfo object)
if (o is null)
{
LMSInfo o1 = new LMSInfo();
o1.errorCode = "201";
o1.errorString = "Invalid or incomplete data, can't initialize";
o1.returnValue = "false";
return(Json(o1));
}
// close the session
int id = 0;
if (DatabaseHelper.ConvertToInt(o.sessionId, out id))
{
DatabaseHelper.UpdateSession(id, DateTime.Now);
}
// Update cmi_core.entry.
// if cmi.core.exit = "suspend", set cmi_core.entry = "resume"
// for any other value of cmi.core.exit, set cmi_core.entry = blank;
int core_id = Convert.ToInt32(o.coreId);
if (core_id < 1)
{
// update error object
o.errorCode = "301";
o.returnValue = "false";
o.errorString = "No cmi_core record for this session";
}
else
{
// get value of cmi.core.exit, session_time, total_time
cmi_core core = DatabaseHelper.GetCMICoreById(core_id);
if (core != null)
{
string exit = core.exit;
string lesson_status = core.lesson_status;
string session_time = core.session_time;
string total_time = core.total_time;
string entry = "";
string status = "";
if (exit.ToLower() == "suspend")
{
entry = "resume";
}
if ((lesson_status.ToLower() == "not attempted") || (lesson_status == string.Empty))
{
status = "completed";
}
else
{
status = lesson_status;
}
string Total_time = SCORM.AddCMITime(session_time, total_time);
if (Total_time == "false")
{
Total_time = total_time;
}
DatabaseHelper.UpdateCore(core_id, entry, status, Total_time);
}
o.errorCode = "0";
o.returnValue = "true";
o.errorString = "";
}
return(Json(o));
}
public JsonResult LMSSetValue([FromBody] LMSInfo o)
{
SCORM.Setvalue(o); // the SetValue object takes care of all Setvalue calls
return(Json(o));
}
public JsonResult LMSGetValue([FromBody] LMSInfo o)
{
SCORM.Getvalue(o); //The GetValue static class handles all GetValues
return(Json(o));
}
/// <summary>
/// Returns the singleton instance of this class
/// </summary>
/// <returns></returns>
public static SCORM GetInstance()
{
if (instance == null)
instance = CreateInstance();
return instance;
}
