////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Edit friend. </summary>
///
/// <remarks> , 16/08/2018. </remarks>
///
/// <param name="friends"> The friends. </param>
/// <param name="friend"> The friend. </param>
/// <param name="comparison"> The comparison. </param>
///
/// <returns> A List<Friend> </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////
public static List <Friend> EditFriend(List <Friend> friends, Friend friend, string comparison)
{
//first do a date check to see if it is valid
if (DateCheck(friend.BirthDay, friend.BirthMonth))
{
foreach (Friend f in friends)
{
//ToUpper is used so capitalization isn't an issue when comparing
if (f.Name.ToUpper() == comparison.ToUpper())
{
f.Name = friend.Name;
f.Likes = friend.Likes;
f.Dislikes = friend.Dislikes;
f.BirthDay = friend.BirthDay;
f.BirthMonth = friend.BirthMonth;
//update the csv file
CsvHandler write = new CsvHandler();
write.AlterCsv(friends);
break;
}
}
}
else
{
//show a message if the friend try to be edited does not exist
MessageBox.Show("The Birthday you have entered is invalid, please try again", "Warning",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
return(friends);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Shows all friends. </summary>
///
/// <remarks> , 16/08/2018. </remarks>
///
/// <returns> A List<Friend> </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////
public static List <Friend> ShowAllFriends()
{
//create a new csv handler object
CsvHandler getFriends = new CsvHandler();
//get all the data from the csv and put it in the friends list
List <Friend> friends = getFriends.ReadCsv();
return(friends);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Adds a new friend. </summary>
///
/// <remarks> , 16/08/2018. </remarks>
///
/// <param name="friend"> The friend. </param>
///
/// <returns> A Friend. </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////
public static Friend AddNewFriend(Friend friend)
{
//first do a date check to see if it is valid
if (DateCheck(friend.BirthDay, friend.BirthMonth))
{
CsvHandler addNewFriend = new CsvHandler();
addNewFriend.AppendCsv(friend);
return(friend);
}
else
{
//show a message if the friend try to be edited does not exist
MessageBox.Show("The Birthday you have entered is invalid, please try again", "Warning",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(null);
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Deletes the friend. </summary>
///
/// <remarks> , 16/08/2018. </remarks>
///
/// <param name="friends"> The friends. </param>
/// <param name="name"> The name. </param>
///
/// <returns> A List<Friend> </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////
public static List <Friend> DeleteFriend(List <Friend> friends, string name)
{
//Get all the data from the text boxes and update the list
foreach (Friend f in friends)
{
if (f.Name == name)
{
//remove the friend from the list
friends.Remove(f);
//update the csv file using the updated list
CsvHandler write = new CsvHandler();
write.AlterCsv(friends);
//break out of the for loop because the friend has been deleted
break;
}
}
return(friends);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Friends in month. </summary>
///
/// <remarks> , 16/08/2018. </remarks>
///
/// <param name="month"> The month. </param>
///
/// <returns> A List<Friend> </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////
public static List <Friend> FriendsInMonth(int month)
{
//read the csv file and put all friends into the list
CsvHandler readCsv = new CsvHandler();
List <Friend> friends = new List <Friend>();
friends = readCsv.ReadCsv();
//search through the friends and look at the month of their birthday and return a list
List <Friend> birthdaysInMonth = new List <Friend>();
foreach (Friend friend in friends)
{
if (friend.BirthMonth == month)
{
birthdaysInMonth.Add(friend);
}
}
return(birthdaysInMonth);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Searches for the first friend. </summary>
///
/// <remarks> , 16/08/2018. </remarks>
///
/// <param name="friendName"> Name of the friend. </param>
///
/// <returns> The found friend. </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////
public static List <Friend> FindFriend(string friendName)
{
//read the csv file and put all of them into a list
CsvHandler readCsv = new CsvHandler();
List <Friend> friends = new List <Friend>();
friends = readCsv.ReadCsv();
//search through list and return another list of friends using the search data
List <Friend> search = new List <Friend>();
foreach (Friend friend in friends)
{
//ToUpper is used so capitalization isnt an issue when searching
if (friend.Name.ToUpper().Contains(friendName.ToUpper()))
{
search.Add(friend);
Debug.WriteLine(friend.Name);
}
}
//return the list to be displayed
return(search);
}
