public bool UpdateEntry(TaskDBData taskData)
{
ContentValues updateValues = GetContentValues(taskData);
String where = GetWhereForTaskName(taskData.ID);
db.Update(TaskTable, updateValues, where, null);
return(true);
}
private ContentValues GetContentValues(TaskDBData taskInfo)
{
ContentValues newValues = new ContentValues();
newValues.Put(TaskTableTaskNameKeyName, taskInfo.Name);
newValues.Put(TaskTableOverallAttemptsKeyName, taskInfo.OverallAttempts);
newValues.Put(TaskTableRightAttemptsKeyName, taskInfo.RightAttempts);
return(newValues);
}
public string InsertEntry(TaskDBData taskInfo)
{
ContentValues newValues = GetContentValues(taskInfo);
try{
long t = db.InsertOrThrow(TaskTable, null, newValues);
}
catch {
return(null);
}
return(taskInfo.Name);
}
public int AnsweredTasksForTheme(SubjectTheme theme)
{
int answeredCount = 0;
foreach (var task in GetTasks(theme.Num))
{
var taskName = CreateTaskName(task, theme);
TaskDBData dbTask = DB.GetEntry(taskName);
if (dbTask == null)
{
DB.InsertEntry(new TaskDBData()
{
Name = taskName, OverallAttempts = 0, RightAttempts = 0
});
continue;
}
if (dbTask.RightAttempts > 0)
{
answeredCount++;
}
}
return(answeredCount);
}
public TaskDBData GetEntry(string taskName)
{
String[] resultColumns = new string[] {
TaskTableKeyId,
TaskTableTaskNameKeyName,
TaskTableOverallAttemptsKeyName,
TaskTableRightAttemptsKeyName
};
try {
var cursor = db.Query(TaskTable, resultColumns, null, null, null, null, null);
cursor.MoveToFirst();
do
{
var idNum = cursor.GetInt(cursor.GetColumnIndex(TaskTableKeyId));
var nameNum = cursor.GetString(cursor.GetColumnIndex(TaskTableTaskNameKeyName));
var overallNum = cursor.GetInt(cursor.GetColumnIndex(TaskTableOverallAttemptsKeyName));
var rightNum = cursor.GetInt(cursor.GetColumnIndex(TaskTableRightAttemptsKeyName));
if (nameNum == taskName)
{
var taskDBData = new TaskDBData()
{
ID = idNum,
Name = nameNum,
OverallAttempts = overallNum,
RightAttempts = rightNum
};
return(taskDBData);
}
} while(cursor.MoveToNext());
return(null);
} catch (Exception ex) {
return(null);
}
}
public void UpdateTaskDBData(TaskDBData taskDBData)
{
DB.UpdateEntry(taskDBData);
}
public bool DeleteEntry(TaskDBData taskData)
{
String where = GetWhereForTaskName(taskData.ID);
db.Delete(TaskTable, where, null);
return(true);
}
