Initial commit: Sistema Autoparts DB

- Base de datos SQLite con información de vehículos
- Dashboard web con Flask y Bootstrap
- Scripts de web scraping para RockAuto
- Interfaz CLI para consultas
- Documentación completa del proyecto

Incluye:
- 12 marcas de vehículos
- 10,923 modelos
- 10,919 especificaciones de motores
- 12,075 combinaciones modelo-año-motor

vehicle_database/sql/schema.sql

@@ -0,0 +1,66 @@
+-- Vehicle Database Schema
+-- Tables for storing vehicle information: brands, years, models, and engines
+
+-- Table for vehicle brands/manufacturers
+CREATE TABLE IF NOT EXISTS brands (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT NOT NULL UNIQUE,
+    country TEXT,
+    founded_year INTEGER,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Table for engine specifications
+CREATE TABLE IF NOT EXISTS engines (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT NOT NULL,
+    displacement_cc REAL,  -- Engine displacement in cubic centimeters
+    cylinders INTEGER,     -- Number of cylinders
+    fuel_type TEXT CHECK(fuel_type IN ('gasoline', 'diesel', 'electric', 'hybrid', 'other')),
+    power_hp INTEGER,      -- Horsepower
+    torque_nm INTEGER,     -- Torque in Newton meters
+    engine_code TEXT,      -- Manufacturer engine code
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Table for vehicle models
+CREATE TABLE IF NOT EXISTS models (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    brand_id INTEGER NOT NULL,
+    name TEXT NOT NULL,
+    body_type TEXT CHECK(body_type IN ('sedan', 'hatchback', 'suv', 'truck', 'coupe', 'convertible', 'wagon', 'van', 'other')),
+    generation TEXT,       -- Model generation (e.g., MK1, MK2)
+    production_start_year INTEGER,
+    production_end_year INTEGER,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (brand_id) REFERENCES brands(id)
+);
+
+-- Table for years (to link with models)
+CREATE TABLE IF NOT EXISTS years (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    year INTEGER NOT NULL UNIQUE,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Junction table to connect models, years, and engines
+CREATE TABLE IF NOT EXISTS model_year_engine (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    model_id INTEGER NOT NULL,
+    year_id INTEGER NOT NULL,
+    engine_id INTEGER NOT NULL,
+    trim_level TEXT,       -- Trim level (e.g., base, luxury, sport)
+    drivetrain TEXT CHECK(drivetrain IN ('FWD', 'RWD', 'AWD', '4WD', 'other')),
+    transmission TEXT CHECK(transmission IN ('manual', 'automatic', 'CVT', 'other')),
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (model_id) REFERENCES models(id),
+    FOREIGN KEY (year_id) REFERENCES years(id),
+    FOREIGN KEY (engine_id) REFERENCES engines(id),
+    UNIQUE(model_id, year_id, engine_id, trim_level)  -- Prevent duplicate combinations
+);
+
+-- Indexes for better performance
+CREATE INDEX IF NOT EXISTS idx_models_brand ON models(brand_id);
+CREATE INDEX IF NOT EXISTS idx_model_year_engine_model ON model_year_engine(model_id);
+CREATE INDEX IF NOT EXISTS idx_model_year_engine_year ON model_year_engine(year_id);
+CREATE INDEX IF NOT EXISTS idx_model_year_engine_engine ON model_year_engine(engine_id);