// Add a task to the database.
private void AddTask(DatabaseTools dbTools)
{
// User writes desired name for the task.
Console.WriteLine("Enter name of task to be added:");
string name = Console.ReadLine();
// Check that a name is given and the name doesn't already exist in the database.
if (name.Length == 0)
{
Console.WriteLine("Error: Name must be at least 1 character.");
return;
}
if (dbTools.TaskExists(name))
{
Console.WriteLine(string.Format("Error: Task named '{0}' already exists.", name));
return;
}
// User writes desired description for the to be created task.
Console.WriteLine(string.Format("Enter description for task '{0}':", name));
string description = Console.ReadLine();
// Call the database tools to make changes to the database.
dbTools.AddTaskToDatabase(name, description);
}
// Get tasks from the database and print the formatted in the console.
private void ListTasks(DatabaseTools dbTools)
{
// Call databasetools to fetch data from the database.
List <Task> tasks = dbTools.GetAllTasks();
// Print a line for readability of tasks in the console.
Console.WriteLine(new String('-', 25));
// Iterate over tasks from the database and print them.
foreach (var task in tasks)
{
Console.WriteLine(string.Format("{0} '{1}': '{2}'", task.Done ? "X" : " ", task.Name, task.Description));
}
}
// Toggle a task as 'done' or 'in-progress' in the database.
private void ToggleTask(DatabaseTools dbTools)
{
// User writes which task they want to toggle.
Console.WriteLine("Enter name of task to be toggled:");
string name = Console.ReadLine();
// Check if the task exists
if (!dbTools.TaskExists(name))
{
Console.WriteLine(string.Format("Error: Task named '{0}' doesn't exist.", name));
return;
}
// Call the database tools to make changes to the database.
dbTools.ToggleTask(name);
}
public void RunApp()
{
// When running the app, display available commands to the user right away.
PrintHelp();
// Create only one variable of dbTools, which all of the functions that need it use.
DatabaseTools dbTools = new DatabaseTools();
ConsoleKeyInfo keyInfo;
do
{
keyInfo = Console.ReadKey();
Console.WriteLine(""); // After user input print a new line for user readability.
// All of the database manipulation is hidden behind functions to help readability of logic.
switch (keyInfo.Key)
{
case ConsoleKey.H:
PrintHelp();
break;
case ConsoleKey.A:
AddTask(dbTools);
break;
case ConsoleKey.L:
ListTasks(dbTools);
break;
case ConsoleKey.R:
RemoveTask(dbTools);
break;
case ConsoleKey.U:
UpdateTask(dbTools);
break;
case ConsoleKey.T:
ToggleTask(dbTools);
break;
default:
break;
}
}while (keyInfo.Key != ConsoleKey.Q);
}
// Update the description of a task in the database.
private void UpdateTask(DatabaseTools dbTools)
{
// User writes which task they want to update the description of.
Console.WriteLine("Enter name of task to be updated:");
string name = Console.ReadLine();
// Check if the task exists
if (!dbTools.TaskExists(name))
{
Console.WriteLine(string.Format("Error: Task named '{0}' doesn't exist.", name));
return;
}
// User writes new description.
Console.WriteLine(string.Format("Enter a description for '{0}'.", name));
string description = Console.ReadLine();
// Call the database tools to make changes to the database.
dbTools.UpdateTaskDescription(name, description);
}
