From 816c9f1cda082d869ec9d6f5964a71902d9a21ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=94=D0=B5=D0=B4=D0=BE=D0=B2=20=D0=95=D0=B3=D0=BE=D1=80?=
 =?UTF-8?q?=20=D0=A1=D0=B5=D1=80=D0=B3=D0=B5=D0=B5=D0=B2=D0=B8=D1=87?=
 <dedoves@ite-ng.ru>
Date: Mon, 18 May 2026 14:51:05 +0300
Subject: [PATCH] Add calendar implementation: models, storage, CLI

---
 __pycache__/models.cpython-312.pyc  | Bin 0 -> 2058 bytes
 __pycache__/storage.cpython-312.pyc | Bin 0 -> 2914 bytes
 calendar_cli.py                     | 141 ++++++++++++++++++++++++++++
 calendar_data.json                  |   8 ++
 models.py                           |  35 +++++++
 storage.py                          |  44 +++++++++
 6 files changed, 228 insertions(+)
 create mode 100644 __pycache__/models.cpython-312.pyc
 create mode 100644 __pycache__/storage.cpython-312.pyc
 create mode 100644 calendar_cli.py
 create mode 100644 calendar_data.json
 create mode 100644 models.py
 create mode 100644 storage.py

diff --git a/__pycache__/models.cpython-312.pyc b/__pycache__/models.cpython-312.pyc
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diff --git a/calendar_cli.py b/calendar_cli.py
new file mode 100644
index 0000000..1b5d24c
--- /dev/null
+++ b/calendar_cli.py
@@ -0,0 +1,141 @@
+#!/usr/bin/env python3
+"""
+Personal Calendar - CLI приложение для управления событиями
+"""
+
+import sys
+from datetime import datetime
+from models import Event
+from storage import load_events, add_event, remove_event, get_events_by_date
+
+try:
+    from prettytable import PrettyTable
+except ImportError:
+    print("Ошибка: установите prettytable: pip install prettytable")
+    sys.exit(1)
+
+
+def show_menu():
+    """Показывает главное меню"""
+    print("\n" + "=" * 40)
+    print("     📅 PERSONAL CALENDAR")
+    print("=" * 40)
+    print("1. Добавить событие")
+    print("2. Показать все события")
+    print("3. Показать события на дату")
+    print("4. Удалить событие")
+    print("5. Выйти")
+    print("=" * 40)
+
+
+def add_event_interactive():
+    """Интерактивное добавление события"""
+    print("\n--- Добавление события ---")
+    title = input("Название: ").strip()
+    if not title:
+        print("Ошибка: название не может быть пустым")
+        return
+    
+    date = input("Дата (ГГГГ-ММ-ДД): ").strip()
+    try:
+        datetime.strptime(date, "%Y-%m-%d")
+    except ValueError:
+        print("Ошибка: неверный формат даты")
+        return
+    
+    time = input("Время (ЧЧ:ММ) - необязательно: ").strip()
+    description = input("Описание: ").strip()
+    
+    event = Event(title, date, time, description)
+    add_event(event)
+    print(f"✅ Событие добавлено: {event}")
+
+
+def show_all_events():
+    """Показывает все события в виде таблицы"""
+    events = load_events()
+    
+    if not events:
+        print("\n📭 Нет сохранённых событий")
+        return
+    
+    table = PrettyTable()
+    table.field_names = ["№", "Дата", "Время", "Название", "Описание"]
+    table.align = "l"
+    
+    for i, event in enumerate(events, 1):
+        table.add_row([
+            i,
+            event.date,
+            event.time if event.time else "-",
+            event.title[:30],
+            event.description[:40] if event.description else "-"
+        ])
+    
+    print("\n" + str(table))
+
+
+def show_events_by_date():
+    """Показывает события на конкретную дату"""
+    date = input("\nВведите дату (ГГГГ-ММ-ДД): ").strip()
+    
+    try:
+        datetime.strptime(date, "%Y-%m-%d")
+    except ValueError:
+        print("Ошибка: неверный формат даты")
+        return
+    
+    events = get_events_by_date(date)
+    
+    if not events:
+        print(f"\n📭 Нет событий на {date}")
+        return
+    
+    print(f"\n📅 События на {date}:")
+    for i, event in enumerate(events, 1):
+        print(f"  {i}. {event}")
+
+
+def remove_event_interactive():
+    """Интерактивное удаление события"""
+    show_all_events()
+    events = load_events()
+    
+    if not events:
+        return
+    
+    try:
+        index = int(input("\nВведите номер события для удаления: ")) - 1
+        if remove_event(index):
+            print("✅ Событие удалено")
+        else:
+            print("❌ Неверный номер")
+    except ValueError:
+        print("Ошибка: введите число")
+
+
+def main():
+    """Основная функция"""
+    print("Добро пожаловать в Personal Calendar!")
+    
+    while True:
+        show_menu()
+        choice = input("\nВыберите действие (1-5): ").strip()
+        
+        if choice == "1":
+            add_event_interactive()
+        elif choice == "2":
+            show_all_events()
+        elif choice == "3":
+            show_events_by_date()
+        elif choice == "4":
+            remove_event_interactive()
+        elif choice == "5":
+            print("\n👋 До свидания!")
+            break
+        else:
+            print("❌ Неверный выбор. Попробуйте снова.")
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/calendar_data.json b/calendar_data.json
new file mode 100644
index 0000000..027ec65
--- /dev/null
+++ b/calendar_data.json
@@ -0,0 +1,8 @@
+[
+  {
+    "title": "Встреча",
+    "date": "2026-05-20",
+    "time": "15:00",
+    "description": "Созвон с командой"
+  }
+]
\ No newline at end of file
diff --git a/models.py b/models.py
new file mode 100644
index 0000000..857d1bc
--- /dev/null
+++ b/models.py
@@ -0,0 +1,35 @@
+import json
+from datetime import datetime
+from typing import List, Optional
+
+class Event:
+    """Класс события календаря"""
+    
+    def __init__(self, title: str, date: str, time: str = "", description: str = ""):
+        self.title = title
+        self.date = date  # формат YYYY-MM-DD
+        self.time = time  # формат HH:MM
+        self.description = description
+    
+    def to_dict(self) -> dict:
+        """Преобразует событие в словарь для JSON"""
+        return {
+            "title": self.title,
+            "date": self.date,
+            "time": self.time,
+            "description": self.description
+        }
+    
+    @classmethod
+    def from_dict(cls, data: dict) -> 'Event':
+        """Создаёт событие из словаря"""
+        return cls(
+            title=data["title"],
+            date=data["date"],
+            time=data.get("time", ""),
+            description=data.get("description", "")
+        )
+    
+    def __str__(self) -> str:
+        time_str = f" в {self.time}" if self.time else ""
+        return f"{self.date}{time_str}: {self.title} - {self.description}"
\ No newline at end of file
diff --git a/storage.py b/storage.py
new file mode 100644
index 0000000..1fed0c0
--- /dev/null
+++ b/storage.py
@@ -0,0 +1,44 @@
+import json
+import os
+from typing import List
+from models import Event
+
+DATA_FILE = "calendar_data.json"
+
+def load_events() -> List[Event]:
+    """Загружает события из JSON файла"""
+    if not os.path.exists(DATA_FILE):
+        return []
+    
+    try:
+        with open(DATA_FILE, 'r', encoding='utf-8') as f:
+            data = json.load(f)
+            return [Event.from_dict(item) for item in data]
+    except (json.JSONDecodeError, FileNotFoundError):
+        return []
+
+def save_events(events: List[Event]) -> None:
+    """Сохраняет события в JSON файл"""
+    with open(DATA_FILE, 'w', encoding='utf-8') as f:
+        data = [event.to_dict() for event in events]
+        json.dump(data, f, ensure_ascii=False, indent=2)
+
+def add_event(event: Event) -> None:
+    """Добавляет новое событие"""
+    events = load_events()
+    events.append(event)
+    save_events(events)
+
+def remove_event(index: int) -> bool:
+    """Удаляет событие по индексу (начиная с 0)"""
+    events = load_events()
+    if 0 <= index < len(events):
+        del events[index]
+        save_events(events)
+        return True
+    return False
+
+def get_events_by_date(date: str) -> List[Event]:
+    """Возвращает события на конкретную дату"""
+    events = load_events()
+    return [e for e in events if e.date == date]
\ No newline at end of file