fix(DB): Restructurization of db

db/InitializeDB.py

@@ -1,78 +1,66 @@
 import sqlite3
 from loguru import logger as log
 
-def init_database():
-    conn = sqlite3.connect('products.db')
+
+def init_database(db_name='pipe_store.db'):
+    conn = sqlite3.connect(db_name)
     cursor = conn.cursor()
 
     cursor.execute('''
-    CREATE TABLE IF NOT EXISTS Product (
-        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        name TEXT NOT NULL,
-        image_path TEXT
-    )
+        CREATE TABLE IF NOT EXISTS categories (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            name TEXT NOT NULL UNIQUE,
+            description TEXT,
+            parent_id INTEGER,
+            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+            FOREIGN KEY (parent_id) REFERENCES categories (id)
+        )
     ''')
 
     cursor.execute('''
-    CREATE TABLE IF NOT EXISTS Param (
-        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        name TEXT NOT NULL,
-        val TEXT NOT NULL
-    )
+        CREATE TABLE IF NOT EXISTS products (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            name TEXT NOT NULL,
+            full_name TEXT NOT NULL,
+            description TEXT,
+            category_id INTEGER NOT NULL,
+            diameter INTEGER,
+            wall_thickness REAL,
+            length INTEGER,
+            color TEXT,
+            application_type TEXT, -- внутренняя/наружная
+            stiffness_class TEXT, -- SN4, SN2 и т.д.
+            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+            FOREIGN KEY (category_id) REFERENCES categories (id)
+        )
     ''')
 
     cursor.execute('''
-    CREATE TABLE IF NOT EXISTS Val (
-        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        val TEXT NOT NULL
-    )
+        CREATE TABLE IF NOT EXISTS filters (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            name TEXT NOT NULL,
+            filter_key TEXT NOT NULL UNIQUE, -- ключ для фильтрации
+            filter_type TEXT DEFAULT 'single' -- 'single' или 'multiple'
+        )
     ''')
 
     cursor.execute('''
-    CREATE TABLE IF NOT EXISTS CParams (
-        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        name TEXT NOT NULL
-    )
+        CREATE TABLE IF NOT EXISTS product_filters (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            product_id INTEGER NOT NULL,
+            filter_key TEXT NOT NULL,
+            value TEXT NOT NULL,
+            FOREIGN KEY (product_id) REFERENCES products (id),
+            FOREIGN KEY (filter_key) REFERENCES filters (filter_key),
+            UNIQUE(product_id, filter_key)
+        )
     ''')
-
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS Category (
-        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        name TEXT NOT NULL,
-        image_path TEXT
-    )
-    ''')
-
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS Product_Param (
-        product_id INTEGER,
-        param_id INTEGER,
-        PRIMARY KEY (product_id, param_id),
-        FOREIGN KEY (product_id) REFERENCES Product (id),
-        FOREIGN KEY (param_id) REFERENCES Param (id)
-    )
-    ''')
-
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS Category_CParams (
-        category_id INTEGER,
-        cparams_id INTEGER,
-        PRIMARY KEY (category_id, cparams_id),
-        FOREIGN KEY (category_id) REFERENCES Category (id),
-        FOREIGN KEY (cparams_id) REFERENCES CParams (id)
-    )
-    ''')
-
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS CParams_Val (
-        cparams_id INTEGER,
-        val_id INTEGER,
-        PRIMARY KEY (cparams_id, val_id),
-        FOREIGN KEY (cparams_id) REFERENCES CParams (id),
-        FOREIGN KEY (val_id) REFERENCES Val (id)
-    )
-    ''')
-
+    
+    cursor.execute('CREATE INDEX IF NOT EXISTS idx_products_category ON products(category_id)')
+    cursor.execute('CREATE INDEX IF NOT EXISTS idx_products_diameter ON products(diameter)')
+    cursor.execute('CREATE INDEX IF NOT EXISTS idx_products_length ON products(length)')
+    cursor.execute('CREATE INDEX IF NOT EXISTS idx_product_filters_key_value ON product_filters(filter_key, value)')
+    
     conn.commit()
     conn.close()
-    log.info("База данных успешно инициализирована!")
+    log.success("База данных успешно инициализирована!")