{ "$schema": "mantara.schema.v1", "system_name": "Airlines Management System", "schema_name": "ai_sch_20260512_081622", "description": "A streamlined web application to manage core airline operations including flight scheduling, aircraft management, passenger bookings, and crew assignments.", "menus": [ { "menu_id": 1, "menu_name": "Aircraft Management", "sequence_number": 1, "description": "Manage aircraft fleet, seat configurations, and availability.", "submenus": [ { "submenu_id": 101, "submenu_name": "Aircraft Registration", "sequence_number": 1, "description": "Add, edit, and deactivate aircraft in the fleet.", "tables": [ { "table_name": "aircraft", "comment": "Stores details about each aircraft in the fleet, including registration, model, and status.", "columns": [ { "name": "id", "type": "SERIAL", "constraints": "PRIMARY KEY" }, { "name": "submenu_id", "type": "INT", "constraints": "DEFAULT 101 NOT NULL REFERENCES ams.submenu(submenu_id)" }, { "name": "registration_number", "type": "VARCHAR(20)", "constraints": "NOT NULL UNIQUE", "comment": "Unique registration number for the aircraft." }, { "name": "model", "type": "VARCHAR(100)", "constraints": "NOT NULL", "comment": "Model of the aircraft." }, { "name": "manufacturer", "type": "VARCHAR(100)", "constraints": "NOT NULL", "comment": "Manufacturer of the aircraft." }, { "name": "total_seats", "type": "INT", "constraints": "NOT NULL CHECK (total_seats > 0)", "comment": "Total seating capacity of the aircraft." }, { "name": "year_manufactured", "type": "INT", "constraints": "CHECK (year_manufactured > 1900)", "comment": "Year the aircraft was manufactured." }, { "name": "status", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Current status of the aircraft (e.g., active, maintenance, retired)." }, { "name": "created_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" }, { "name": "updated_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" } ] } ] }, { "submenu_id": 102, "submenu_name": "Aircraft Seat Configuration", "sequence_number": 2, "description": "Configure seats for each aircraft, including seat numbering and class assignment.", "tables": [ { "table_name": "seats", "comment": "Stores seat configuration for each aircraft, including seat number and class type.", "columns": [ { "name": "id", "type": "SERIAL", "constraints": "PRIMARY KEY" }, { "name": "submenu_id", "type": "INT", "constraints": "DEFAULT 102 NOT NULL REFERENCES ams.submenu(submenu_id)" }, { "name": "aircraft_id", "type": "INT", "constraints": "NOT NULL REFERENCES ams.aircraft(id) ON DELETE CASCADE", "comment": "Foreign key to aircraft table." }, { "name": "seat_number", "type": "VARCHAR(10)", "constraints": "NOT NULL", "comment": "Seat number (e.g., 1A, 1B)." }, { "name": "class_type", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Class type of the seat (e.g., economy, business, first class)." }, { "name": "is_window", "type": "BOOLEAN", "constraints": "NOT NULL DEFAULT FALSE", "comment": "Indicates if the seat is a window seat." }, { "name": "is_aisle", "type": "BOOLEAN", "constraints": "NOT NULL DEFAULT FALSE", "comment": "Indicates if the seat is an aisle seat." }, { "name": "is_exit_row", "type": "BOOLEAN", "constraints": "NOT NULL DEFAULT FALSE", "comment": "Indicates if the seat is in an exit row." }, { "name": "created_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" }, { "name": "updated_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" } ] } ] } ] }, { "menu_id": 2, "menu_name": "Airport & Route Management", "sequence_number": 2, "description": "Manage airports and flight routes between them.", "submenus": [ { "submenu_id": 201, "submenu_name": "Airport Management", "sequence_number": 1, "description": "Add, edit, and deactivate airports with IATA codes and location details.", "tables": [ { "table_name": "airports", "comment": "Stores information about airports, including IATA code, name, and location.", "columns": [ { "name": "id", "type": "SERIAL", "constraints": "PRIMARY KEY" }, { "name": "submenu_id", "type": "INT", "constraints": "DEFAULT 201 NOT NULL REFERENCES ams.submenu(submenu_id)" }, { "name": "code", "type": "VARCHAR(10)", "constraints": "NOT NULL UNIQUE", "comment": "Unique IATA code for the airport." }, { "name": "name", "type": "VARCHAR(255)", "constraints": "NOT NULL", "comment": "Name of the airport." }, { "name": "city", "type": "VARCHAR(100)", "constraints": "NOT NULL", "comment": "City where the airport is located." }, { "name": "country", "type": "VARCHAR(100)", "constraints": "NOT NULL", "comment": "Country where the airport is located." }, { "name": "timezone", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Timezone of the airport." }, { "name": "latitude", "type": "DECIMAL(9,6)", "comment": "Latitude coordinate of the airport." }, { "name": "longitude", "type": "DECIMAL(9,6)", "comment": "Longitude coordinate of the airport." }, { "name": "created_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" }, { "name": "updated_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" } ] } ] }, { "submenu_id": 202, "submenu_name": "Route Management", "sequence_number": 2, "description": "Create and manage flight routes between airports.", "tables": [ { "table_name": "routes", "comment": "Stores flight routes between airports, including distance and duration.", "columns": [ { "name": "id", "type": "SERIAL", "constraints": "PRIMARY KEY" }, { "name": "submenu_id", "type": "INT", "constraints": "DEFAULT 202 NOT NULL REFERENCES ams.submenu(submenu_id)" }, { "name": "origin_airport_id", "type": "INT", "constraints": "NOT NULL REFERENCES ams.airports(id) ON DELETE RESTRICT", "comment": "Foreign key to origin airport." }, { "name": "destination_airport_id", "type": "INT", "constraints": "NOT NULL REFERENCES ams.airports(id) ON DELETE RESTRICT", "comment": "Foreign key to destination airport." }, { "name": "distance_km", "type": "INT", "constraints": "NOT NULL CHECK (distance_km > 0)", "comment": "Distance of the route in kilometers." }, { "name": "estimated_duration_minutes", "type": "INT", "constraints": "NOT NULL CHECK (estimated_duration_minutes > 0)", "comment": "Estimated flight duration in minutes." }, { "name": "status", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Current status of the route (e.g., active, inactive)." }, { "name": "created_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" }, { "name": "updated_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" } ] } ] } ] }, { "menu_id": 3, "menu_name": "Flight Management", "sequence_number": 3, "description": "Manage flight scheduling, status updates, and search/display functions.", "submenus": [ { "submenu_id": 301, "submenu_name": "Flight Scheduling", "sequence_number": 1, "description": "Create and manage flight schedules, including aircraft and route assignments.", "tables": [ { "table_name": "flights", "comment": "Stores scheduled flights, including route, aircraft, and timing details.", "columns": [ { "name": "id", "type": "SERIAL", "constraints": "PRIMARY KEY" }, { "name": "submenu_id", "type": "INT", "constraints": "DEFAULT 301 NOT NULL REFERENCES ams.submenu(submenu_id)" }, { "name": "flight_number", "type": "VARCHAR(20)", "constraints": "NOT NULL", "comment": "Unique flight number for the scheduled flight." }, { "name": "route_id", "type": "INT", "constraints": "NOT NULL REFERENCES ams.routes(id) ON DELETE RESTRICT", "comment": "Foreign key to the route table." }, { "name": "aircraft_id", "type": "INT", "constraints": "NOT NULL REFERENCES ams.aircraft(id) ON DELETE RESTRICT", "comment": "Foreign key to the aircraft table." }, { "name": "scheduled_departure", "type": "TIMESTAMP", "constraints": "NOT NULL", "comment": "Scheduled departure time of the flight." }, { "name": "scheduled_arrival", "type": "TIMESTAMP", "constraints": "NOT NULL", "comment": "Scheduled arrival time of the flight." }, { "name": "actual_departure", "type": "TIMESTAMP", "comment": "Actual departure time of the flight." }, { "name": "actual_arrival", "type": "TIMESTAMP", "comment": "Actual arrival time of the flight." }, { "name": "base_fare", "type": "NUMERIC(10,2)", "constraints": "NOT NULL CHECK (base_fare > 0)", "comment": "Base fare for the flight." }, { "name": "status", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Current status of the flight (e.g., scheduled, boarding, departed)." }, { "name": "gate", "type": "VARCHAR(10)", "comment": "Gate number for the flight." }, { "name": "created_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" }, { "name": "updated_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" } ] } ] }, { "submenu_id": 302, "submenu_name": "Flight Status Management", "sequence_number": 2, "description": "Update and manage flight statuses, including cancellations and delays." }, { "submenu_id": 303, "submenu_name": "Flight Search & Display", "sequence_number": 3, "description": "Search and display flight information, including seat availability and pricing." } ] }, { "menu_id": 4, "menu_name": "Crew Management", "sequence_number": 4, "description": "Manage crew members and their assignments to flights.", "submenus": [ { "submenu_id": 401, "submenu_name": "Crew Member Management", "sequence_number": 1, "description": "Add, edit, and deactivate crew members, including role and certification details.", "tables": [ { "table_name": "crew_members", "comment": "Stores information about crew members, including roles and certifications.", "columns": [ { "name": "id", "type": "SERIAL", "constraints": "PRIMARY KEY" }, { "name": "submenu_id", "type": "INT", "constraints": "DEFAULT 401 NOT NULL REFERENCES ams.submenu(submenu_id)" }, { "name": "employee_number", "type": "VARCHAR(20)", "constraints": "NOT NULL UNIQUE", "comment": "Unique employee number for the crew member." }, { "name": "first_name", "type": "VARCHAR(100)", "constraints": "NOT NULL", "comment": "First name of the crew member." }, { "name": "last_name", "type": "VARCHAR(100)", "constraints": "NOT NULL", "comment": "Last name of the crew member." }, { "name": "email", "type": "VARCHAR(255)", "constraints": "NOT NULL UNIQUE", "comment": "Email address of the crew member." }, { "name": "phone", "type": "VARCHAR(20)", "constraints": "NOT NULL", "comment": "Phone number of the crew member." }, { "name": "date_of_birth", "type": "DATE", "constraints": "NOT NULL", "comment": "Date of birth of the crew member." }, { "name": "hire_date", "type": "DATE", "constraints": "NOT NULL", "comment": "Date the crew member was hired." }, { "name": "role", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Role of the crew member (e.g., captain, first officer)." }, { "name": "certification_number", "type": "VARCHAR(50)", "comment": "Certification number of the crew member." }, { "name": "certification_expiry", "type": "DATE", "comment": "Expiry date of the crew member's certification." }, { "name": "status", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Current status of the crew member (e.g., active, on leave)." }, { "name": "created_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" }, { "name": "updated_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" } ] } ] }, { "submenu_id": 402, "submenu_name": "Crew Assignment", "sequence_number": 2, "description": "Assign crew members to flights and manage their roles and schedules.", "tables": [ { "table_name": "flight_crew_assignments", "comment": "Stores assignments of crew members to flights, including their roles.", "columns": [ { "name": "id", "type": "SERIAL", "constraints": "PRIMARY KEY" }, { "name": "submenu_id", "type": "INT", "constraints": "DEFAULT 402 NOT NULL REFERENCES ams.submenu(submenu_id)" }, { "name": "flight_id", "type": "INT", "constraints": "NOT NULL REFERENCES ams.flights(id) ON DELETE CASCADE", "comment": "Foreign key to the flight table." }, { "name": "crew_member_id", "type": "INT", "constraints": "NOT NULL REFERENCES ams.crew_members(id) ON DELETE RESTRICT", "comment": "Foreign key to the crew members table." }, { "name": "assigned_role", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Role assigned to the crew member for the flight." }, { "name": "assignment_status", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Status of the crew assignment (e.g., assigned, confirmed)." }, { "name": "notes", "type": "TEXT", "comment": "Additional notes about the crew assignment." }, { "name": "created_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" }, { "name": "updated_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" } ] } ] } ] }, { "menu_id": 5, "menu_name": "Passenger & Booking Management", "sequence_number": 5, "description": "Manage passenger records and flight bookings.", "submenus": [ { "submenu_id": 501, "submenu_name": "Passenger Management", "sequence_number": 1, "description": "Create and manage passenger records, including personal details and contact information.", "tables": [ { "table_name": "passengers", "comment": "Stores passenger information, including contact details and passport information.", "columns": [ { "name": "id", "type": "SERIAL", "constraints": "PRIMARY KEY" }, { "name": "submenu_id", "type": "INT", "constraints": "DEFAULT 501 NOT NULL REFERENCES ams.submenu(submenu_id)" }, { "name": "first_name", "type": "VARCHAR(100)", "constraints": "NOT NULL", "comment": "First name of the passenger." }, { "name": "last_name", "type": "VARCHAR(100)", "constraints": "NOT NULL", "comment": "Last name of the passenger." }, { "name": "email", "type": "VARCHAR(255)", "constraints": "NOT NULL UNIQUE", "comment": "Email address of the passenger." }, { "name": "phone", "type": "VARCHAR(20)", "constraints": "NOT NULL", "comment": "Phone number of the passenger." }, { "name": "date_of_birth", "type": "DATE", "constraints": "NOT NULL", "comment": "Date of birth of the passenger." }, { "name": "passport_number", "type": "VARCHAR(50)", "constraints": "UNIQUE", "comment": "Passport number of the passenger." }, { "name": "nationality", "type": "VARCHAR(100)", "constraints": "NOT NULL", "comment": "Nationality of the passenger." }, { "name": "created_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" }, { "name": "updated_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" } ] } ] }, { "submenu_id": 502, "submenu_name": "Booking Management", "sequence_number": 2, "description": "Create and manage flight bookings, including seat assignments and fare class selection.", "tables": [ { "table_name": "bookings", "comment": "Stores flight bookings, including passenger, flight, and seat details.", "columns": [ { "name": "id", "type": "SERIAL", "constraints": "PRIMARY KEY" }, { "name": "submenu_id", "type": "INT", "constraints": "DEFAULT 502 NOT NULL REFERENCES ams.submenu(submenu_id)" }, { "name": "booking_reference", "type": "VARCHAR(20)", "constraints": "NOT NULL UNIQUE", "comment": "Unique reference number for the booking." }, { "name": "passenger_id", "type": "INT", "constraints": "NOT NULL REFERENCES ams.passengers(id) ON DELETE RESTRICT", "comment": "Foreign key to the passenger table." }, { "name": "flight_id", "type": "INT", "constraints": "NOT NULL REFERENCES ams.flights(id) ON DELETE RESTRICT", "comment": "Foreign key to the flight table." }, { "name": "seat_id", "type": "INT", "constraints": "REFERENCES ams.seats(id) ON DELETE SET NULL", "comment": "Foreign key to the seat table." }, { "name": "fare_class_id", "type": "INT", "constraints": "NOT NULL REFERENCES ams.fare_classes(id) ON DELETE RESTRICT", "comment": "Foreign key to the fare class table." }, { "name": "booking_status", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Current status of the booking (e.g., confirmed, cancelled)." }, { "name": "total_price", "type": "NUMERIC(10,2)", "constraints": "NOT NULL CHECK (total_price >= 0)", "comment": "Total price of the booking." }, { "name": "payment_status", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Payment status of the booking (e.g., pending, completed)." }, { "name": "payment_method", "type": "VARCHAR(50)", "comment": "Payment method used for the booking." }, { "name": "booking_date", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP", "comment": "Date and time when the booking was made." }, { "name": "special_requests", "type": "TEXT", "comment": "Any special requests made by the passenger." }, { "name": "created_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" }, { "name": "updated_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" } ] } ] } ] }, { "menu_id": 6, "menu_name": "Fare Class Management", "sequence_number": 6, "description": "Manage fare classes and their pricing rules.", "submenus": [ { "submenu_id": 601, "submenu_name": "Fare Class Configuration", "sequence_number": 1, "description": "Configure fare classes, including pricing multipliers and benefits.", "tables": [ { "table_name": "fare_classes", "comment": "Stores fare class information, including pricing multipliers and baggage allowances.", "columns": [ { "name": "id", "type": "SERIAL", "constraints": "PRIMARY KEY" }, { "name": "submenu_id", "type": "INT", "constraints": "DEFAULT 601 NOT NULL REFERENCES ams.submenu(submenu_id)" }, { "name": "name", "type": "VARCHAR(50)", "constraints": "NOT NULL UNIQUE", "comment": "Name of the fare class (e.g., Economy, Business)." }, { "name": "class_type", "type": "VARCHAR(50)", "constraints": "NOT NULL", "comment": "Type of fare class (e.g., economy, business, first class)." }, { "name": "price_multiplier", "type": "NUMERIC(5,2)", "constraints": "NOT NULL CHECK (price_multiplier > 0)", "comment": "Multiplier applied to the base fare for this class." }, { "name": "baggage_allowance_kg", "type": "INT", "constraints": "NOT NULL CHECK (baggage_allowance_kg >= 0)", "comment": "Baggage allowance in kilograms for this fare class." }, { "name": "cancellation_allowed", "type": "BOOLEAN", "constraints": "NOT NULL DEFAULT TRUE", "comment": "Indicates if cancellation is allowed for this fare class." }, { "name": "change_fee_percentage", "type": "NUMERIC(5,2)", "constraints": "NOT NULL DEFAULT 0 CHECK (change_fee_percentage >= 0 AND change_fee_percentage <= 100)", "comment": "Percentage fee for changes to bookings in this fare class." }, { "name": "created_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" }, { "name": "updated_at", "type": "TIMESTAMP", "constraints": "DEFAULT CURRENT_TIMESTAMP" } ] } ] } ] } ], "assumptions": [ "Aircraft must have at least one seat configured before being assigned to flights.", "Flight numbers are unique per departure date.", "Crew members must have valid certifications for flight assignments." ], "open_questions": [ "Should the system support multi-currency pricing?", "Is there a need for role-based access beyond the specified user roles?" ] }