public BTask GetBTask(SubjectTheme theme, int num)
{
string fileName = subject.ToString() + "/" + theme.Num.ToString() + @"/b/" + num.ToString() + "/" + "task.txt";
var assets = MRApplication.GetAssetManager();
try
{
using (StreamReader reader = new StreamReader(assets.Open(fileName))) {
string content = reader.ReadToEnd();
var json = JsonObject.Parse(content);
JsonObject jsonTask = json ["task"] as JsonObject;
var bTask = new BTask(num, theme, subject);
SetCommonTaskParams(jsonTask, bTask);
List <AVariant> variants = new List <AVariant> ();
bTask.Variant = jsonTask ["variant"];
return(bTask);
}
}
catch (Exception e) {
return(null);
}
}
private string CreateTaskName(Task task, SubjectTheme theme)
{
string taskType = "b";
if (task is ATask)
{
taskType = "a";
}
return(subject.ToString() + "/" + theme.Num + "/" + taskType + "/" + task.TaskNum);
}
private int GetTasksStatistic(SubjectTheme theme)
{
int answered = subjectRetriever.AnsweredTasksForTheme(theme);
int overall = subjectRetriever.OverallTasksForTheme(theme);
if (overall == 0)
{
return(0);
}
return((int)(((float)answered) / overall * 100));
}
private int GetTaskStatistic(SubjectRetriever retriever, SubjectTheme theme, Task task)
{
var taskData = retriever.GetTaskDBData(task, theme);
int answered = taskData.RightAttempts;
int overall = taskData.OverallAttempts;
if (overall == 0)
{
return(0);
}
return((int)(((float)answered) / overall * 100));
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.ChooseTrainingTasksLayout);
Enum.TryParse <SubjectsEnumeration> (Intent.GetStringExtra("TestType"), out subjectType);
themeNum = Intent.GetIntExtra("ThemeNum", 1).ToString();
subjectStringName = SubjectHelper.GetSubjectName(subjectType, this);
theme = (new ThemesRetriever(subjectType)).GetThemes.FirstOrDefault(x => x.Num == themeNum);
taskButtonsLayout = FindViewById <LinearLayout> (Resource.Id.TasksLinearLayout);
(FindViewById <TextView> (Resource.Id.ThemeName)).Text = theme.Name;
}
private void RetrieveSubjectTheme(string fileName)
{
themes = new List <SubjectTheme> ();
AssetManager assets = MRApplication.GetAssetManager();
using (StreamReader reader = new StreamReader(assets.Open(fileName))) {
string content = reader.ReadToEnd();
var json = JsonObject.Parse(content);
JsonArray themesJson = json ["Themes"] as JsonArray;
foreach (JsonObject theme in themesJson)
{
SubjectTheme newTheme = new SubjectTheme(theme ["Num"], theme ["Name"], theme ["InetLink"], theme ["LocalLink"]);
themes.Add(newTheme);
}
}
}
protected void SetParameters()
{
Enum.TryParse <SubjectsEnumeration> (Intent.GetStringExtra("TestType"), out subjectType);
themeNum = Intent.GetStringExtra("ThemeNum");
currentTaskToShow = Intent.GetIntExtra("TaskNum", 0);
subjectStringName = SubjectHelper.GetSubjectName(subjectType, this);
subjectRetriever = new SubjectRetriever(subjectType, ApplicationContext);
theme = subjectRetriever.GetThemeByNum(themeNum);
tasks = subjectRetriever.GetTasks(themeNum);
taskImages = new Drawable[tasks.Count];
isAnswered = new List <bool> (tasks.Count);
isRightAnswered = new List <bool> (tasks.Count);
isShowAnswer = new List <bool> (tasks.Count);
for (int i = 0; i < tasks.Count; i++)
{
isAnswered.Add(false);
isRightAnswered.Add(false);
isShowAnswer.Add(false);
}
}
public ATask GetATask(SubjectTheme theme, int num)
{
string fileName = subject.ToString() + "/" + theme.Num.ToString() + @"/a/" + num.ToString() + "/" + "task.txt";
var assets = MRApplication.GetAssetManager();
try
{
using (StreamReader reader = new StreamReader(assets.Open(fileName))) {
string content = reader.ReadToEnd();
var json = JsonObject.Parse(content);
JsonObject jsonTask = json ["task"] as JsonObject;
var aTask = new ATask(num, theme, subject);
SetCommonTaskParams(jsonTask, aTask);
List <AVariant> variants = new List <AVariant> ();
JsonArray variantsJSON = jsonTask ["vs"] as JsonArray;
foreach (var variant in variantsJSON)
{
string text = variant ["txt"];
string png = variant ["png"];
bool isRight = Boolean.Parse(variant ["right"]);
AVariant newVariant = new AVariant()
{
ImageLink = png, IsRight = isRight, Text = text
};
variants.Add(newVariant);
}
aTask.Variants = variants;
return(aTask);
}
}
catch (Exception e) {
return(null);
}
}
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 List <Type> GetTasksInfo(string themeNum)
{
SubjectTheme theme = GetThemeByNum(themeNum);
int taskNum = 1;
var tasksInfo = new List <Type> ();
bool taskExits = IsATaskExist(theme, taskNum);
while (taskExits)
{
tasksInfo.Add(typeof(ATask));
taskNum++;
taskExits = IsATaskExist(theme, taskNum);
}
taskNum = 1;
taskExits = IsBTaskExist(theme, taskNum);
while (taskExits)
{
tasksInfo.Add(typeof(BTask));
taskNum++;
taskExits = IsBTaskExist(theme, taskNum);
}
return(tasksInfo);
}
public TaskDBData GetTaskDBData(Task task, SubjectTheme theme)
{
string taskName = CreateTaskName(task, theme);
return(DB.GetEntry(taskName));
}
public int OverallTasksForTheme(SubjectTheme theme)
{
return(GetATasksCount(theme.Num) + GetBTasksCount(theme.Num));
}
public bool IsBTaskExist(SubjectTheme theme, int num)
{
string fileName = subject.ToString() + "/" + theme.Num.ToString() + @"/b/" + num.ToString() + "/" + "task.txt";
return(IsTaskExist(fileName));
}