private static List <Command> Process(
ITalkWithUser dialog,
RenameCommand leftCommand,
RenameCommand rightCommand)
{
if (leftCommand.ClassFullName == rightCommand.ClassFullName &&
leftCommand.Method == rightCommand.Method)
{
if (leftCommand.Variable == rightCommand.Variable)
{
if (leftCommand.NewName == rightCommand.NewName)
{
return(new List <Command> {
leftCommand
});
}
else
{
var selectedName =
dialog.Ask(new MessagesGenerator().VariableHasBeenRenamedDifferently(leftCommand.NewName,
rightCommand.NewName));
var result = new RenameCommand(leftCommand.ClassFullName, leftCommand.Method, leftCommand.Variable,
selectedName);
return(new List <Command> {
result
});
}
}
else
{
if (leftCommand.NewName == rightCommand.NewName)
{
var newLeftName =
dialog.Ask(new MessagesGenerator().VariablesHaveBeenRenamedWithConflict(leftCommand.Variable,
leftCommand.NewName));
var newRightName =
dialog.Ask(new MessagesGenerator().VariablesHaveBeenRenamedWithConflict(rightCommand.Variable,
rightCommand.NewName));
if (newLeftName == newRightName)
{
throw new Exception();
}
return(new List <Command>
{
new RenameCommand(leftCommand.ClassFullName, leftCommand.Method, leftCommand.Variable, newLeftName),
new RenameCommand(rightCommand.ClassFullName, rightCommand.Method, rightCommand.Variable, newRightName)
});
}
else
{
return(new List <Command> {
leftCommand, rightCommand
});
}
}
}
else
{
return(new List <Command> {
leftCommand, rightCommand
});
}
}