app.py

import dash
import logging
from dash import html, dcc, Output, Input, callback, ALL

from config import CONFIG
from assets.footer import footer
from pages.nav import navbar
from utils.loading_data import load_data

logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s - %(levelname)s - %(message)s",
    force=True
)

logging.info(f"Environment chosen: {CONFIG.ENV}")

app = dash.Dash(
    __name__,
    title='Space Exploration',
    use_pages=True,
    update_title=False,
    suppress_callback_exceptions=True,
    prevent_initial_callbacks=True,
    meta_tags=[
        {"name": "description", "content": "A Dash app focused on space exploration data."},
        {"name": "keywords", "content": "Space, Launch, Data, Visualization, Dash,"
                                        "NASA, SpaceX, Rocket, Satellite, Mars, Moon, Astronaut, Space Station, "
                                        "Orbital, Galaxy, Universe, Telemetry, Spacecraft, Interstellar, Cosmonaut, "
                                        "Astrobiology, Exoplanet, Space Shuttle, Space Mission, Space Probe, Hubble, "
                                        "Space Tourism, Space Colony, Zero Gravity, Deep Space"}
    ],
)

server = app.server
app.layout = html.Div(
    [
        navbar(),
        dcc.Store('past-launches-data'),
        dcc.Store(id='past-launches-last-update'),
        dash.page_container,
        footer,
    ]
)


@callback(
    Output('historical-data', 'data'),
    Output('historical-facts-last-update', 'data'),
    Input('historical-data', 'id'),
)
def load_historical_facts_data(_):
    return load_data('HISTORICAL_FACTS_FILENAME', 'json')


@callback(
    Output('past-launches-data', 'data'),
    Output('past-launches-last-update', 'data'),
    Input('past-launches-data', 'id'),
)
def load_past_launches_data(_):
    df, last_update = load_data('PAST_LAUNCHES_FILENAME', 'csv')
    return df.to_dict('records'), last_update


@callback(
    Output('next-launch-data', 'data'),
    Output('next-launch-last-update', 'data'),
    Input('next-launch-data', 'id'),
)
def load_next_launch_data(_):
    return load_data('NEXT_LAUNCH_FILENAME', 'json')


if __name__ == "__main__":
    app.run_server(debug=True)