class Item:
    def __init__(self, id, content, userid, duedate, collapsed, inhistory, priority, itemorder, faded, projectid, checked, datestring):
        self.id = id
        self.content = content
        self.userid = userid
        self.duedate = duedate
        self.collapsed = collapsed
        self.inhistory = inhistory
        self.priority = priority
        self.itemorder = itemorder
        self.faded = faded
        self.projectid = projectid
        self.checked = checked
        self.datestring = datestring
    def __str__(self):
        return self.content
 
class Project:
    def __init__(self, id, name, userid, color, collapsed, itemorder, indent, order):
        self.id = id
        self.name = name
        self.userid = userid
        self.color = color
        self.collapsed = collapsed
        self.itemorder = itemorder
        self.indent = indent
        self.order = order
        self.items = {}
 
    def __str__(self):
        return self.name
 
    def __name__(self):
        return 'Project'
 
    def addItem(self,item):
        self.items.update({item.id:item})
 
    def delItem(self,item):
        del self.items[item.id]
 
class TodoList:
    def __init__(self):
        self.projects = {}
 
    def addProject(self,project):
        self.projects.update({project.id:project})
 
    def delProject(self,project):
        del self.projects[project.id]
 
    def addItem(self,item):
        self.projects[item.projectid].addItem(item)
 
    def delItem(self,item):
        self.projects[item.projectid].delItem(item)