/// <summary>
/// Method to edit an existing item from the database.
/// </summary>
/// <param name="item">Role</param>
/// <exception cref="ArgumentException">Thrown if the edit item doesn't exist in the database using the key.</exception>
public void Edit(Role item)
{
Role roleToUpdate = db.Roles.
Where(a => a.Id == item.Id).FirstOrDefault();
if (null == roleToUpdate)
{
throw new ArgumentException("Role with ID " + item.Id +
" and role " + item.Name + "is unknown to the database, " +
"Edit operations is unavailable.", "Comment");
}
else
{
db.Entry(roleToUpdate).CurrentValues.SetValues(item);
}
db.SaveChanges();
}
/// <summary>
/// Method to edit an existing item from the database.
/// </summary>
/// <param name="item">PostReply</param>
/// <exception cref="ArgumentException">Thrown if the edit item doesn't exist in the database using the key.</exception>
public void Edit(PostReply item)
{
PostReply postReplyToUpdate = db.PostReplies.
Where(a => a.Id == item.Id).FirstOrDefault();
if (null == postReplyToUpdate)
{
throw new ArgumentException("PostReply with ID " + item.Id +
" and author " + item.Author.Username + "is unknown to the database, " +
"Edit operations is unavailable.", "Comment");
}
else
{
db.Entry(postReplyToUpdate).CurrentValues.SetValues(item);
}
db.SaveChanges();
}
/// <summary>
/// Method to edit an existing item from the database.
/// </summary>
/// <param name="item">Tag</param>
/// <exception cref="ArgumentException">Thrown if the edit item doesn't exist in the database using the key.</exception>
public void Edit(Tag item)
{
Tag tagToUpdate = db.Tags.
Where(a => a.Id == item.Id).FirstOrDefault();
if (null == tagToUpdate)
{
throw new ArgumentException("Tag with ID " + item.Id +
" and tag " + item.Text + "is unknown to the database, " +
"Edit operations is unavailable.", "Tag");
}
else
{
db.Entry(tagToUpdate).CurrentValues.SetValues(item);
}
db.SaveChanges();
}
/// <summary>
/// Method to edit an existing item from the database.
/// </summary>
/// <param name="item">User</param>
/// <exception cref="ArgumentException">Thrown if the edit item doesn't exist in the database using the key.</exception>
public void Edit(User item)
{
User userToUpdate = db.Users.
Where(a => a.Id == item.Id).FirstOrDefault();
if (null == userToUpdate)
{
throw new ArgumentException("User with ID " + item.Id +
" and name " + item.Username + "is unknown to the database, " +
"Edit operations is unavailable.", "Comment");
}
else
{
db.Entry(userToUpdate).CurrentValues.SetValues(item);
}
db.SaveChanges();
}