consultoria-as
7b2a904498
- Migrate from SQLite to PostgreSQL with normalized schema - Add 11 lookup tables (fuel_type, body_type, drivetrain, transmission, materials, position_part, manufacture_type, quality_tier, countries, reference_type, shapes) - Rewrite dashboard/server.py (76 routes) using SQLAlchemy text() queries - Rewrite console/db.py (27 methods) using SQLAlchemy ORM - Add models.py with 27 SQLAlchemy model definitions - Add config.py for centralized DB_URL configuration - Add migrate_to_postgres.py migration script - Add docs/METABASE_GUIDE.md with complete data entry guide - Rebrand from "AUTOPARTS DB" to "NEXUS AUTOPARTS" - Fill vehicle data gaps via NHTSA API + heuristics: engines (cylinders, power, torque), brands (country, founded_year), models (body_type, production years), MYE (drivetrain, transmission, trim) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
138 lines
4.5 KiB
Python
138 lines
4.5 KiB
Python
"""
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Main menu screen for the NEXUS AUTOPARTS console application.
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Displays a numbered Pick-style menu with navigation options for all
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application sections. Number keys jump directly; arrow keys move the
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selection; ENTER activates.
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"""
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from console.core.screens import Screen
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from console.core.keybindings import Key
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from console.config import APP_NAME, APP_SUBTITLE, VERSION
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# Menu items: list of (display_number, label, screen_name).
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# Separators use display_number None and screen_name None.
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_MENU_ITEMS = [
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("1", "Consulta por Vehiculo", "vehiculo_nav"),
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("2", "Busqueda por Numero de Parte", "buscar_parte"),
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("3", "Busqueda por Descripcion", "buscar_texto"),
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("4", "Decodificador VIN", "vin_decoder"),
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("5", "Catalogo de Categorias", "catalogo"),
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(None, None, None), # separator
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("6", "Administracion de Partes", "admin_partes"),
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("7", "Administracion de Fabricantes", "admin_fabricantes"),
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("8", "Cross-References", "admin_crossref"),
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("9", "Importar / Exportar Datos", "admin_import"),
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(None, None, None), # separator
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("0", "Estadisticas del Sistema", "estadisticas"),
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]
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# Quick lookup: digit character -> screen name
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_KEY_MAP = {item[0]: item[2] for item in _MENU_ITEMS if item[0] is not None}
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# Footer key labels
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_FOOTER = [
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("F1", "Ayuda"),
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("F3", "Buscar"),
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("F10", "Menu"),
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("ESC", "Salir"),
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]
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class MenuPrincipalScreen(Screen):
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"""Main menu screen with numbered items and arrow-key navigation."""
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def __init__(self):
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super().__init__(name="menu", title="Menu Principal")
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self._selected = 0 # index into _MENU_ITEMS (skipping separators)
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# ------------------------------------------------------------------
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# Helpers
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# ------------------------------------------------------------------
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def _selectable_indices(self):
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"""Return list of indices in _MENU_ITEMS that are not separators."""
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return [i for i, item in enumerate(_MENU_ITEMS) if item[0] is not None]
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def _move_selection(self, direction):
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"""Move selection up (-1) or down (+1), skipping separators."""
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indices = self._selectable_indices()
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if not indices:
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return
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try:
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pos = indices.index(self._selected)
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except ValueError:
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pos = 0
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pos = max(0, min(len(indices) - 1, pos + direction))
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self._selected = indices[pos]
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# ------------------------------------------------------------------
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# Screen interface
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# ------------------------------------------------------------------
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def render(self, context, db, renderer):
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# Header
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renderer.draw_header(
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f" {APP_NAME} v{VERSION}",
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f"{APP_SUBTITLE} ",
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)
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# Build items list for draw_menu.
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# Separators use the special "---" marker understood by the renderer.
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menu_items = []
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for num, label, _screen in _MENU_ITEMS:
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if num is None:
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menu_items.append(("---", ""))
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else:
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menu_items.append((num, label))
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renderer.draw_menu(
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menu_items,
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selected_index=self._selected,
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title="MENU PRINCIPAL",
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)
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# Footer
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renderer.draw_footer(_FOOTER)
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def on_key(self, key, context, db, renderer, nav):
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# --- Number keys: direct navigation ---
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if 48 <= key <= 57: # ord('0') .. ord('9')
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digit = chr(key)
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screen_name = _KEY_MAP.get(digit)
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if screen_name:
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label = next(
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(lbl for num, lbl, _ in _MENU_ITEMS if num == digit),
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screen_name,
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)
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return (screen_name, {}, label)
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# --- Arrow keys ---
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if key == Key.UP:
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self._move_selection(-1)
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return None
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if key == Key.DOWN:
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self._move_selection(1)
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return None
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# --- ENTER: activate selected ---
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if key == Key.ENTER:
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item = _MENU_ITEMS[self._selected]
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num, label, screen_name = item
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if screen_name is not None:
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return (screen_name, {}, label)
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return None
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# --- ESC: quit confirmation ---
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if key == Key.ESCAPE:
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confirmed = renderer.show_message(
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"Desea salir de la aplicacion?", "confirm"
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)
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if confirmed:
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return "quit"
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return None
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return None
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