From 4634a36dd5006151f49fed7e14a04f9e25891033 Mon Sep 17 00:00:00 2001
From: Alexey <Email@mail.ru>
Date: Thu, 2 Apr 2026 21:52:02 +0300
Subject: [PATCH] initial commit

---
 .vs/ProjectSettings.json                      |   3 +
 .vs/VSWorkspaceState.json                     |   7 +
 ...425f4c6b-a216-46eb-8728-ca96c3237550.vsidx | Bin 0 -> 14418 bytes
 .vs/project/v17/.wsuo                         | Bin 0 -> 14336 bytes
 .vs/project/v17/DocumentLayout.json           |  23 ++
 .vs/slnx.sqlite                               | Bin 0 -> 90112 bytes
 finance_manager.py                            | 263 ++++++++++++++++++
 transactions.txt                              |  16 ++
 8 files changed, 312 insertions(+)
 create mode 100644 .vs/ProjectSettings.json
 create mode 100644 .vs/VSWorkspaceState.json
 create mode 100644 .vs/project/FileContentIndex/425f4c6b-a216-46eb-8728-ca96c3237550.vsidx
 create mode 100644 .vs/project/v17/.wsuo
 create mode 100644 .vs/project/v17/DocumentLayout.json
 create mode 100644 .vs/slnx.sqlite
 create mode 100644 finance_manager.py
 create mode 100644 transactions.txt

diff --git a/.vs/ProjectSettings.json b/.vs/ProjectSettings.json
new file mode 100644
index 0000000..f8b4888
--- /dev/null
+++ b/.vs/ProjectSettings.json
@@ -0,0 +1,3 @@
+{
+  "CurrentProjectSetting": null
+}
\ No newline at end of file
diff --git a/.vs/VSWorkspaceState.json b/.vs/VSWorkspaceState.json
new file mode 100644
index 0000000..62797f8
--- /dev/null
+++ b/.vs/VSWorkspaceState.json
@@ -0,0 +1,7 @@
+{
+  "ExpandedNodes": [
+    ""
+  ],
+  "SelectedNode": "\\finance_manager.py",
+  "PreviewInSolutionExplorer": false
+}
\ No newline at end of file
diff --git a/.vs/project/FileContentIndex/425f4c6b-a216-46eb-8728-ca96c3237550.vsidx b/.vs/project/FileContentIndex/425f4c6b-a216-46eb-8728-ca96c3237550.vsidx
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diff --git a/.vs/project/v17/DocumentLayout.json b/.vs/project/v17/DocumentLayout.json
new file mode 100644
index 0000000..e0a31f3
--- /dev/null
+++ b/.vs/project/v17/DocumentLayout.json
@@ -0,0 +1,23 @@
+{
+  "Version": 1,
+  "WorkspaceRootPath": "C:\\Users\\1\\Desktop\\project\\",
+  "Documents": [],
+  "DocumentGroupContainers": [
+    {
+      "Orientation": 0,
+      "VerticalTabListWidth": 256,
+      "DocumentGroups": [
+        {
+          "DockedWidth": 200,
+          "SelectedChildIndex": -1,
+          "Children": [
+            {
+              "$type": "Bookmark",
+              "Name": "ST:0:0:{aa2115a1-9712-457b-9047-dbb71ca2cdd2}"
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/.vs/slnx.sqlite b/.vs/slnx.sqlite
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diff --git a/finance_manager.py b/finance_manager.py
new file mode 100644
index 0000000..68d96a9
--- /dev/null
+++ b/finance_manager.py
@@ -0,0 +1,263 @@
+import csv
+from datetime import datetime, timedelta
+
+def load_transactions(filepath: str) -> list[dict]:
+    """Загружает список транзакций из CSV-файла."""
+    transactions = []
+    try:
+        with open(filepath, 'r', encoding='utf-8') as file:
+            reader = csv.DictReader(file)
+            for row in reader:
+                try:
+                    transaction = {
+                        'id': int(row['id']),
+                        'date': row['date'],
+                        'amount': float(row['amount']),
+                        'category': row['category'],
+                        'description': row['description']
+                    }
+                    transactions.append(transaction)
+                except (ValueError, KeyError):
+                    # Пропускаем строки с некорректным форматом
+                    continue
+        print(f"Загружено транзакций: {len(transactions)}")
+        return transactions
+    except FileNotFoundError:
+        print(f"Ошибка: Файл {filepath} не найден")
+        return []
+    except Exception as e:
+        print(f"Ошибка при чтении файла: {e}")
+        return []
+
+def filter_by_date_range(transactions: list[dict], start_date: str, end_date: str) -> list[dict]:
+    """Фильтрует транзакции по диапазону дат."""
+    return [t for t in transactions if start_date <= t['date'] <= end_date]
+
+def filter_by_category(transactions: list[dict], categories: list[str], exclude: bool = False) -> list[dict]:
+    """
+    Фильтрует транзакции по категориям.
+    
+    Параметры:
+    - transactions: список транзакций.
+    - categories:список категорий для фильтрации
+    - exclude: если True - исключает указанные категории, если False - оставляет только их
+    
+    Возвращает: отфильтрованый список транзакций
+    """
+    categories_lower = [c.lower() for c in categories]
+    if exclude:
+        return [t for t in transactions if t['category'].lower() not in categories_lower]
+    else:
+        return [t for t in transactions if t['category'].lower() in categories_lower]
+
+def filter_by_amount_threshold(transactions: list[dict], min_amount: float = None, max_amount: float = None) -> list[dict]:
+    """Фильтрует транзакции по диапазону сумм"""
+    result = transactions
+    if min_amount is not None:
+        result = [t for t in result if t['amount'] >= min_amount]
+    if max_amount is not None:
+        result = [t for t in result if t['amount'] <= max_amount]
+    return result
+
+def calculate_balance(transactions: list[dict]) -> float:
+    """Вычисляет общий баланс"""
+    balance = sum(t['amount'] for t in transactions)
+    return round(balance, 2)
+
+def group_by_category(transactions: list[dict]) -> dict[str, float]:
+    """Группирует транзакции по категориям"""
+    groups = {}
+    for t in transactions:
+        category = t['category']
+        groups[category] = groups.get(category, 0) + t['amount']
+    return {cat: round(amount, 2) for cat, amount in groups.items()}
+
+def get_top_expenses(transactions: list[dict], n: int) -> list[dict]:
+    """Возвращает n транзакций с наибольшими расходами."""
+    expenses = [t for t in transactions if t['amount'] < 0]
+    expenses.sort(key=lambda x: x['amount'])  # Сортировка от наиболее отрицательных
+    return expenses[:n]
+
+def get_average_daily_expenses(transactions: list[dict], days: int = 30) -> float:
+    """Вычисляет среднюю сумму расходов за последние days дней."""
+    if not transactions:
+        return 0.0
+    
+    # Находим самую позднюю дату
+    latest_date = max(t['date'] for t in transactions)
+    latest_date_obj = datetime.strptime(latest_date, "%Y-%m-%d")
+    start_date_obj = latest_date_obj - timedelta(days=days - 1)
+    start_date = start_date_obj.strftime("%Y-%m-%d")
+    
+    # Фильтруем расходы за указанный период
+    expenses_in_period = [
+        t for t in transactions 
+        if t['amount'] < 0 and start_date <= t['date'] <= latest_date
+    ]
+    
+    if not expenses_in_period:
+        return 0.0
+    
+    total_expenses = abs(sum(t['amount'] for t in expenses_in_period))
+    return round(total_expenses / days, 2)
+
+def find_transactions_by_text(transactions: list[dict], keyword: str) -> list[dict]:
+    """находит транзакции по ключевому слову в описании."""
+    keyword_lower = keyword.lower()
+    return [t for t in transactions if keyword_lower in t['description'].lower()]
+
+def generate_summary_report(transactions: list[dict]) -> str:
+    """генерирует текстовый отчет по транзакциям."""
+    if not transactions:
+        return "Нет данных для формирования отчета"
+    
+    total_count = len(transactions)
+    incomes = [t for t in transactions if t['amount'] > 0]
+    expenses = [t for t in transactions if t['amount'] < 0]
+    
+    total_income = sum(t['amount'] for t in incomes)
+    total_expense = abs(sum(t['amount'] for t in expenses))
+    balance = total_income - total_expense
+    
+    # Топ-3 категории по расходам
+    expenses_by_category = {}
+    for t in expenses:
+        expenses_by_category[t['category']] = expenses_by_category.get(t['category'], 0) + abs(t['amount'])
+    top_categories = sorted(expenses_by_category.items(), key=lambda x: x[1], reverse=True)[:3]
+    
+    # Самая крупная расходная транзакция
+    largest_expense = min(expenses, key=lambda x: x['amount']) if expenses else None
+    
+    # Формируем отчёт
+    report = []
+    report.append("=" * 50)
+    report.append("ФИНАНСОВЫЙ ОТЧЕТ")
+    report.append("=" * 50)
+    report.append(f"Всего транзакций: {total_count}")
+    report.append(f"Общий доход: {total_income:.2f} руб.")
+    report.append(f"Общий расход: {total_expense:.2f} руб.")
+    report.append(f"Итоговый баланс: {balance:.2f} руб.")
+    report.append("-" * 50)
+    report.append("ТОП-3 КАТЕГОРИИ ПО РАСХОДАМ:")
+    for i, (cat, amount) in enumerate(top_categories, 1):
+        report.append(f"  {i}. {cat}: {amount:.2f} руб.")
+    
+    if largest_expense:
+        report.append("-" * 50)
+        report.append("САМАЯ КРУПНАЯ РАСХОДНАЯ ТРАНЗАКЦИЯ:")
+        report.append(f"  Дата: {largest_expense['date']}")
+        report.append(f"  Категория: {largest_expense['category']}")
+        report.append(f"  Сумма: {largest_expense['amount']:.2f} руб.")
+        report.append(f"  Описание: {largest_expense['description']}")
+    report.append("=" * 50)
+    
+    return "\n".join(report)
+
+def main():
+    """Главная функция, демонстрирующая работу всех функций."""
+    print("=" * 60)
+    print("СИСТЕМА УПРАВЛЕНИЯ ЛИЧНЫМИ ФИНАНСАМИ")
+    print("=" * 60)
+    
+    # 1.Загрузка данных
+    print("\n1. ЗАГРУЗКА ДАННЫХ")
+    print("-" * 40)
+    transactions = load_transactions('data/transactions.txt')
+    
+    if not transactions:
+        print("Нет данных для обработки. Завершение работы.")
+        return
+    
+    # 2. Фильтрация по дате (последние 90 дней)
+    print("\n2. ФИЛЬТРАЦИЯ ПО ДАТЕ (последние 90 дней)")
+    print("-" * 40)
+    
+    # Находим самую позднюю и самую раннюю дату
+    latest_date = max(t['date'] for t in transactions)
+    earliest_date = min(t['date'] for t in transactions)
+    latest_date_obj = datetime.strptime(latest_date, "%Y-%m-%d")
+    
+    # Вычисляем дату 90 дней назад
+    start_date_obj = latest_date_obj - timedelta(days=89)
+    start_date = start_date_obj.strftime("%Y-%m-%d")
+    end_date = latest_date
+    
+    # Если start_date раньше earliest_date, то используем earliest_date
+    if start_date < earliest_date:
+        start_date = earliest_date
+        print(f"Примечание: Данных за последние 90 дней недостаточно")
+        print(f"Используем все доступные данные с {start_date} по {end_date}")
+    else:
+        print(f"Период: с {start_date} по {end_date}")
+    
+    filtered_by_date = filter_by_date_range(transactions, start_date, end_date)
+    print(f"Транзакций после фильтрации по дате: {len(filtered_by_date)}")
+    
+    # 3. Фильтрация по категориям (исключаем "Перевод" и "Инвестиции")
+    print("\n3. ФИЛЬТРАЦИЯ ПО КАТЕГОРИЯМ (исключаем 'Перевод' и 'Инвестиции')")
+    print("-" * 40)
+    
+    excluded_categories = ["Перевод", "Инвестиции"]
+    filtered_by_category_data = filter_by_category(filtered_by_date, excluded_categories, exclude=True)
+    print(f"Транзакций после фильтрации по категориям: {len(filtered_by_category_data)}")
+    
+    # 4. Расчёт баланса
+    print("\n4. РАСЧЁТ БАЛАНСА")
+    print("-" * 40)
+    balance = calculate_balance(filtered_by_category_data)
+    print(f"Баланс за период: {balance:.2f} руб.")
+    
+    # 5. Топ-5 расходов
+    print("\n5. ТОП-5 РАСХОДОВ")
+    print("-" * 40)
+    top_expenses = get_top_expenses(filtered_by_category_data, 5)
+    if top_expenses:
+        for i, expense in enumerate(top_expenses, 1):
+            print(f"{i}. {expense['date']} | {expense['category']} | {expense['amount']:.2f} руб. | {expense['description']}")
+    else:
+        print("Нет расходов за указанный период")
+    
+    # 6. Поиск транзакций по ключевому слову "кафе"
+    print("\n6. ПОИСК ПО КЛЮЧЕВОМУ СЛОВУ 'кафе'")
+    print("-" * 40)
+    found_transactions = find_transactions_by_text(filtered_by_category_data, "кафе")
+    if found_transactions:
+        print(f"Найдено транзакций: {len(found_transactions)}")
+        for t in found_transactions:
+            print(f"  {t['date']} | {t['category']} | {t['amount']:.2f} руб. | {t['description']}")
+    else:
+        print("Транзакции с ключевым словом 'кафе' не найдены")
+    
+    # 7. Среднедневные расходы за последние 30 дней
+    print("\n7. СРЕДНЕДНЕВНЫЕ РАСХОДЫ (последние 30 дней)")
+    print("-" * 40)
+    avg_expenses = get_average_daily_expenses(filtered_by_category_data, 30)
+    print(f"Среднедневные расходы: {avg_expenses:.2f} руб.")
+    
+    # 8. Группировка по категориям
+    print("\n8. ГРУППИРОВКА ПО КАТЕГОРИЯМ")
+    print("-" * 40)
+    grouped = group_by_category(filtered_by_category_data)
+    for category, amount in sorted(grouped.items(), key=lambda x: x[1], reverse=True):
+        print(f"  {category}: {amount:.2f} руб.")
+    
+    # 9. Итоговый отчет
+    print("\n9. ИТОГОВЫЙ ОТЧЕТ")
+    print("-" * 40)
+    report = generate_summary_report(filtered_by_category_data)
+    print(report)
+    
+    # 10. Демонстрация фильтрации по сумме
+    print("\n10. ДЕМОНСТРАЦИЯ ФИЛЬТРАЦИИ ПО СУММЕ")
+    print("-" * 40)
+    large_expenses = filter_by_amount_threshold(filtered_by_category_data, max_amount=-500)
+    print(f"Расходы более 500 руб. (сумма < -500): {len(large_expenses)} транзакций")
+    for expense in large_expenses[:3]:  # Показываем первые 3
+        print(f"  {expense['date']} | {expense['category']} | {expense['amount']:.2f} руб.")
+    
+    print("\n" + "=" * 60)
+    print("ОБРАБОТКА ЗАВЕРШЕНА")
+    print("=" * 60)
+
+if __name__ == "__main__":
+    main()
diff --git a/transactions.txt b/transactions.txt
new file mode 100644
index 0000000..9da2621
--- /dev/null
+++ b/transactions.txt
@@ -0,0 +1,16 @@
+id,date,amount,category,description
+1,2025-03-01,50000.00,Зарплата,Оплата за март
+2,2025-03-02,-350.00,Еда,Продукты в супермаркете
+3,2025-03-03,-13000.00,Транспорт,Покупка авиабилетов
+4,2025-03-04,-2500.00,Аренда,Аренда квартиры
+5,2025-03-05,15000.00,Фриланс,Разработка сайта
+6,2025-03-06,-800.00,Ресторан,Ужин с друзьями
+7,2025-03-07,-450.00,Еда,Доставка продуктов
+8,2025-03-08,-10000.00,Инвестиции,Покупка акций
+9,2025-03-09,-500.00,Транспорт,Заправка автомобиля
+10,2025-03-10,-950.00,Кафе,Обед в кафе
+11,2025-03-11,45000.00,Зарплата,Оплата за март (аванс)
+12,2025-03-12,-320.00,Еда,Супермаркет
+13,2025-03-13,-2100.00,Коммунальные,Квартплата
+14,2025-03-14,-750.00,Столовая,Завтрак
+15,2025-03-15,-1500.00,Подарки,День рождения друга