DocScoDoc/app/comp/res_sem.py

##############################################################################
# ScoDoc
# Copyright (c) 1999 - 2022 Emmanuel Viennet.  All rights reserved.
# See LICENSE
##############################################################################

"""Chargement des résultats de semestres (tous types)
"""
from flask import g

from app.comp.res_common import ResultatsSemestre
from app.comp.res_classic import ResultatsSemestreClassic
from app.comp.res_but import ResultatsSemestreBUT
from app.models.formsemestre import FormSemestre


def load_formsemestre_result(formsemestre: FormSemestre) -> ResultatsSemestre:
    """Returns ResultatsSemestre for this formsemestre.
    Suivant le type de formation, retour une instance de
    ResultatsSemestreClassic ou de ResultatsSemestreBUT.

    Search in local cache (g.formsemestre_result_cache)
    then global app cache (eg REDIS)
    If not in cache, build it and cache it.
    """
    # --- Try local cache (within the same request context)
    if not hasattr(g, "formsemestre_result_cache"):
        g.formsemestre_result_cache = {}  # pylint: disable=C0237
    else:
        if formsemestre.id in g.formsemestre_result_cache:
            return g.formsemestre_result_cache[formsemestre.id]

    klass = (
        ResultatsSemestreBUT
        if formsemestre.formation.is_apc()
        else ResultatsSemestreClassic
    )
    return klass(formsemestre)