private TimeSpan Fit(TimeTaskContext task, TimeSpan timeLeft, double sumPriority)
{
// Calculate how much overall time should it take based on priorities
var timePart = GetRealPriority(task) / sumPriority;
// Calculate and assign time to task
return(TimeSpan.FromSeconds(Math.Ceiling(new TimeSpan((long)(timeLeft.Ticks * timePart)).TotalSeconds)));
}
/// <summary>
/// Removes single specified task from the database
/// </summary>
/// <param name="context">The task to delete</param>
public void RemoveTask(TimeTaskContext context)
{
// Prepare an one element list with provided task's id
var list = new List <int> {
context.Id
};
// Send it to the repository to delete this task
mTimeTasksRepository.RemoveTasks(list);
}
/// <summary>
/// Saves new task to the database and adds it to the application's task list
/// </summary>
/// <param name="context">The context of a task to add</param>
public void SaveTask(TimeTaskContext context)
{
// Initialize remaining data based on task's type
InitializeTaskWithType(context);
// Map it to the entity
var entity = mTimeTasksMapper.ReverseMap(context);
// Save it into database
mTimeTasksRepository.SaveTask(entity);
}
/// <summary>
/// Starts new task in current session
/// </summary>
/// <param name="context">The task context to start</param>
private void StartNextTask(TimeTaskContext context)
{
// Set provided time
CurrentTimeLeft = context.SessionDynamicTime;
// Save it for progress calculations
mCurrentTask.SessionDynamicTime = CurrentTimeLeft;
// Start the timer
mSecondsTicker.Start();
// Inform subscribers
TaskStarted.Invoke();
}
/// <summary>
/// Send new tasks to session
/// </summary>
public void UpdateTasks(List <TimeTaskContext> tasks)
{
if (mSettingsProvider.HighestPrioritySetAsFirst)
{
// Sort descending priority if such setting is enabled
tasks = tasks.OrderByDescending(x => x.Priority).ToList();
}
mUserTasks = new HeadList <TimeTaskContext>(tasks);
mCurrentTask = mUserTasks.Head;
// Check if task list is properly set
ValidateTasks();
}
/// <summary>
/// Initializes provided task with type-specific data that should be configured here
/// </summary>
/// <param name="task">The context of task</param>
private void InitializeTaskWithType(TimeTaskContext task)
{
// Based on task's type...
switch (task.Type)
{
// Generic tasks
case TimeTaskType.Generic:
{
// Max progress is 100%
task.MaxProgress = 100;
}
break;
// Reading tasks
case TimeTaskType.Reading:
{
// Reading a book is always repeatable
task.IsImmortal = true;
}
break;
}
}
/// <summary> /// Returns dynamic time according to task progress /// </summary> private TimeSpan ShrinkProgressedTask(TimeTaskContext constTask) => (constTask.AssignedTime * (1.0 - constTask.SessionProgress));
/// <summary> /// Returns priority taking progress into account /// </summary> private double GetRealPriority(TimeTaskContext context) => (int)context.Priority * (1.0 - context.SessionProgress);
