Добавлено api для работы со списками и задачами

frontend/user.py

@@ -0,0 +1,95 @@
+from datetime import datetime
+from api import UserApi
+
+
+class ToDoList(object):
+    def __init__(self, id, title, created_at=None, items=[], parent=None):
+        self.id = id
+        self.title = title
+        self.items = items
+        self.created_at = created_at
+
+    def __getitem__(self, index):
+        return self.items[index]
+
+    def __len__(self):
+        return len(self.items)
+
+    def __str__(self):
+        return f"[{self.id}] {self.title}"
+
+    # ToDo
+    def remove(self, index):
+        self.items.remove(self.items[0])
+        self.sync()
+
+    # ToDo
+    def append(self, text):
+        item = ToDoItem(id=None, text=text, created_at=datetime.now())
+        self.items.append(item)
+        item.sync()
+        self.sync()
+        return item
+
+    def modify(self, **argv):
+        for key, value in argv.items():
+            setattr(self, key, value)
+        self.sync()
+
+    # ToDo
+    def sync(self):
+        # ToDo send request or store in form
+        print(f"Item '{self}' is being synchronized...")
+
+
+class ToDoItem(object):
+    def __init__(self, id, text, finished=False, created_at=None, parent=None):
+        self.id = id
+        self.text = text
+        self.finished = finished
+        self.created_at = created_at
+
+    def __str__(self):
+        return f"[{self.id}] {self.text}"
+
+    def modify(self, **argv):
+        for key, value in argv.items():
+            setattr(self, key, value)
+        self.sync()
+
+    # ToDo
+    def sync(self):
+        # ToDo send request or store in form
+        print(f"Item '{self}' is being synchronized...")
+
+
+class User(UserApi):
+
+    # ToDo
+    items = [
+        ToDoList(
+            id=i,
+            title=f"List {i}",
+            created_at=datetime.now(),
+            items=[
+                ToDoItem(id=i * 10 + j, text=f"Item {i*10+j}", created_at=datetime.now())
+                for j in range(10)
+            ],
+        )
+        for i in range(10)
+    ]
+
+    # ToDo
+    def fetchUserLists(self):
+        return self.items
+
+    # ToDo
+    def removeUserList(self, id):
+        self.items = [item for item in self.items if item.id != id]
+
+    # ToDo
+    def appendUserList(self, title):
+        item = ToDoList(id=None, title=title, created_at=datetime.now())
+        self.items.append(item)
+        item.sync()
+        return item