DocScoDoc/app/comp/res_but.py

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

"""Résultats semestres BUT
"""
import time
import numpy as np
import pandas as pd

from flask import g, url_for

from app import log
from app.comp import moy_ue, moy_sem, inscr_mod
from app.comp.res_common import NotesTableCompat
from app.comp.bonus_spo import BonusSport
from app.models import ScoDocSiteConfig
from app.models.etudiants import Identite
from app.models.moduleimpls import ModuleImpl
from app.models.ues import UniteEns
from app.scodoc import sco_groups
from app.scodoc import sco_preferences
from app.scodoc import sco_codes_parcours
from app.scodoc.sco_codes_parcours import UE_SPORT
import app.scodoc.sco_utils as scu


class ResultatsSemestreBUT(NotesTableCompat):
    """Résultats BUT: organisation des calculs"""

    _cached_attrs = NotesTableCompat._cached_attrs + (
        "modimpl_coefs_df",
        "modimpls_evals_poids",
        "sem_cube",
    )

    def __init__(self, formsemestre):
        super().__init__(formsemestre)
        self.modimpl_coefs_df = None
        """DataFrame, row UEs(sans bonus), cols modimplid, value coef"""
        self.sem_cube = None
        """ndarray (etuds x modimpl x ue)"""

        if not self.load_cached():
            t0 = time.time()
            self.compute()
            t1 = time.time()
            self.store()
            t2 = time.time()
            log(
                f"ResultatsSemestreBUT: cached formsemestre_id={formsemestre.id} ({(t1-t0):g}s +{(t2-t1):g}s)"
            )

    def compute(self):
        "Charge les notes et inscriptions et calcule les moyennes d'UE et gen."
        (
            self.sem_cube,
            self.modimpls_evals_poids,
            self.modimpls_results,
        ) = moy_ue.notes_sem_load_cube(self.formsemestre)
        self.modimpl_inscr_df = inscr_mod.df_load_modimpl_inscr(self.formsemestre)
        self.modimpl_coefs_df, _, _ = moy_ue.df_load_modimpl_coefs(
            self.formsemestre, modimpls=self.formsemestre.modimpls_sorted
        )
        # l'idx de la colonne du mod modimpl.id est
        #       modimpl_coefs_df.columns.get_loc(modimpl.id)
        # idx de l'UE: modimpl_coefs_df.index.get_loc(ue.id)

        # Masque de tous les modules _sauf_ les bonus (sport)
        modimpls_mask = [
            modimpl.module.ue.type != UE_SPORT
            for modimpl in self.formsemestre.modimpls_sorted
        ]

        self.etud_moy_ue = moy_ue.compute_ue_moys_apc(
            self.sem_cube,
            self.etuds,
            self.formsemestre.modimpls_sorted,
            self.ues,
            self.modimpl_inscr_df,
            self.modimpl_coefs_df,
            modimpls_mask,
        )
        # Les coefficients d'UE ne sont pas utilisés en APC
        self.etud_coef_ue_df = pd.DataFrame(
            0.0, index=self.etud_moy_ue.index, columns=self.etud_moy_ue.columns
        )

        # --- Modules de MALUS sur les UEs
        self.malus = moy_ue.compute_malus(
            self.formsemestre, self.sem_cube, self.ues, self.modimpl_inscr_df
        )
        self.etud_moy_ue -= self.malus

        # --- Bonus Sport & Culture
        if not all(modimpls_mask):  # au moins un module bonus
            bonus_class = ScoDocSiteConfig.get_bonus_sport_class()
            if bonus_class is not None:
                bonus: BonusSport = bonus_class(
                    self.formsemestre,
                    self.sem_cube,
                    self.ues,
                    self.modimpl_inscr_df,
                    self.modimpl_coefs_df.transpose(),
                    self.etud_moy_gen,
                    self.etud_moy_ue,
                )
                self.bonus_ues = bonus.get_bonus_ues()
                if self.bonus_ues is not None:
                    self.etud_moy_ue += self.bonus_ues  # somme les dataframes

        # Clippe toutes les moyennes d'UE dans [0,20]
        self.etud_moy_ue.clip(lower=0.0, upper=20.0, inplace=True)

        # Moyenne générale indicative:
        # (note: le bonus sport a déjà été appliqué aux moyennes d'UE, et impacte
        # donc la moyenne indicative)
        # self.etud_moy_gen = moy_sem.compute_sem_moys_apc_using_coefs(
        #    self.etud_moy_ue, self.modimpl_coefs_df
        # )
        self.etud_moy_gen = moy_sem.compute_sem_moys_apc_using_ects(
            self.etud_moy_ue,
            [ue.ects for ue in self.ues if ue.type != UE_SPORT],
            formation_id=self.formsemestre.formation_id,
            skip_empty_ues=sco_preferences.get_preference(
                "but_moy_skip_empty_ues", self.formsemestre.id
            ),
        )
        # --- UE capitalisées
        self.apply_capitalisation()

        # --- Classements:
        self.compute_rangs()

    def get_etud_mod_moy(self, moduleimpl_id: int, etudid: int) -> float:
        """La moyenne de l'étudiant dans le moduleimpl
        En APC, il s'agit d'une moyenne indicative sans valeur.
        Result: valeur float (peut être naN) ou chaîne "NI" (non inscrit ou DEM)
        """
        mod_idx = self.modimpl_coefs_df.columns.get_loc(moduleimpl_id)
        etud_idx = self.etud_index[etudid]
        # moyenne sur les UE:
        if len(self.sem_cube[etud_idx, mod_idx]):
            return np.nanmean(self.sem_cube[etud_idx, mod_idx])
        return np.nan

    def compute_etud_ue_coef(self, etudid: int, ue: UniteEns) -> float:
        """Détermine le coefficient de l'UE pour cet étudiant.
        N'est utilisé que pour l'injection des UE capitalisées dans la
        moyenne générale.
        En BUT, c'est simple: Coef = somme des coefs des modules vers cette UE.
        (ne dépend pas des modules auxquels est inscrit l'étudiant, ).
        """
        return self.modimpl_coefs_df.loc[ue.id].sum()

    def modimpls_in_ue(self, ue_id, etudid, with_bonus=True) -> list[ModuleImpl]:
        """Liste des modimpl ayant des coefs non nuls vers cette UE
        et auxquels l'étudiant est inscrit. Inclus modules bonus le cas échéant.
        """
        # sert pour l'affichage ou non de l'UE sur le bulletin et la table recap
        coefs = self.modimpl_coefs_df  # row UE, cols modimpl
        modimpls = [
            modimpl
            for modimpl in self.formsemestre.modimpls_sorted
            if (coefs[modimpl.id][ue_id] != 0)
            and self.modimpl_inscr_df[modimpl.id][etudid]
        ]
        if not with_bonus:
            return [
                modimpl for modimpl in modimpls if modimpl.module.ue.type != UE_SPORT
            ]
        return modimpls

    def get_table_moyennes_triees(self, convert_values=False) -> list:
        """Result: tuple avec
        - rows: liste de dicts { column_id : value }
        - titles: { column_id : title }
        - columns_ids: (liste des id de colonnes)

        . Si convert_values, transforme les notes en chaines ("12.34").
        Les colonnes générées sont:
            etudid
            rang : rang indicatif (basé sur moy gen)
            moy_gen : moy gen indicative
            moy_ue_<ue_id>, ...,  les moyennes d'UE
            moy_res_<modimpl_id>_<ue_id>, ... les moyennes de ressources dans l'UE
            moy_sae_<modimpl_id>_<ue_id>, ... les moyennes de SAE dans l'UE

        On ajoute aussi des attributs:
        - pour les lignes:
            _css_row_class (inutilisé pour le monent)
            _<column_id>_class classe css:
                - la moyenne générale a la classe col_moy_gen
                - les colonnes SAE ont la classe col_sae
                - les colonnes Resources ont la classe col_res
                - les colonnes d'UE ont la classe col_ue
                - les colonnes de modules (SAE ou res.) d'une UE ont la classe mod_ue_<ue_id>
            _<column_id>_order : clé de tri
        """

        def fmt_note(x):
            return scu.fmt_note(x) if convert_values else x

        barre_moy = (
            self.formsemestre.formation.get_parcours().BARRE_MOY - scu.NOTES_TOLERANCE
        )
        barre_valid_ue = self.formsemestre.formation.get_parcours().NOTES_BARRE_VALID_UE
        NO_NOTE = "-"  # contenu des cellules sans notes
        rows = []
        titles = {"rang": "Rg"}  # column_id : title

        def add_cell(
            row: dict, col_id: str, title: str, content: str, classes: str = ""
        ):
            "Add a row to our table. classes is a list of css class names"
            row[col_id] = content
            if classes:
                row[f"_{col_id}_class"] = classes
            if not col_id in titles:
                titles[col_id] = title
                if classes:
                    titles[f"_{col_id}_class"] = classes

        etuds_inscriptions = self.formsemestre.etuds_inscriptions
        ues = self.formsemestre.query_ues(with_sport=True)  # avec bonus
        modimpl_ids = set()  # modimpl effectivement présents dans la table
        for etudid in etuds_inscriptions:
            etud = Identite.query.get(etudid)
            row = {"etudid": etudid}
            # --- Rang
            add_cell(row, "rang", "Rg", self.etud_moy_gen_ranks[etudid], "rang")
            row["_rang_order"] = f"{self.etud_moy_gen_ranks_int[etudid]:05d}"
            # --- Identité étudiant
            add_cell(row, "civilite_str", "Civ.", etud.civilite_str, "identite_detail")
            add_cell(row, "nom_disp", "Nom", etud.nom_disp(), "identite_detail")
            add_cell(row, "prenom", "Prénom", etud.prenom, "identite_detail")
            add_cell(row, "nom_short", "Nom", etud.nom_short, "identite_court")
            row["_nom_short_target"] = url_for(
                "notes.formsemestre_bulletinetud",
                scodoc_dept=g.scodoc_dept,
                formsemestre_id=self.formsemestre.id,
                etudid=etudid,
            )
            row[f"_nom_short_target_attrs"] = f'class="etudinfo" id="{etudid}"'
            row["_nom_disp_target"] = row["_nom_short_target"]
            row["_nom_disp_target_attrs"] = row["_nom_short_target_attrs"]
            self._recap_etud_groups_infos(etudid, row, titles)
            # --- Moyenne générale
            moy_gen = self.etud_moy_gen.get(etudid, False)
            note_class = ""
            if moy_gen is False:
                moy_gen = NO_NOTE
            elif isinstance(moy_gen, float) and moy_gen < barre_moy:
                note_class = " moy_inf"
            add_cell(
                row,
                "moy_gen",
                "Moy",
                fmt_note(moy_gen),
                "col_moy_gen" + note_class,
            )
            # --- Moyenne d'UE
            for ue in [ue for ue in ues if ue.type != UE_SPORT]:
                ue_status = self.get_etud_ue_status(etudid, ue.id)
                if ue_status is not None:
                    col_id = f"moy_ue_{ue.id}"
                    val = ue_status["moy"]
                    note_class = ""
                    if isinstance(val, float):
                        if val < barre_moy:
                            note_class = " moy_inf"
                        elif val >= barre_valid_ue:
                            note_class = " moy_ue_valid"
                    add_cell(
                        row,
                        col_id,
                        ue.acronyme,
                        fmt_note(val),
                        "col_ue" + note_class,
                    )
                    # Les moyennes des ressources et SAÉs dans cette UE
                    for modimpl in self.modimpls_in_ue(ue.id, etudid, with_bonus=False):
                        if ue_status["is_capitalized"]:
                            val = "-c-"
                        else:
                            modimpl_results = self.modimpls_results.get(modimpl.id)
                            if modimpl_results:  # pas bonus
                                moys_vers_ue = modimpl_results.etuds_moy_module.get(
                                    ue.id
                                )
                                val = (
                                    moys_vers_ue.get(etudid, "?")
                                    if moys_vers_ue is not None
                                    else ""
                                )
                            else:
                                val = ""

                        col_id = (
                            f"moy_{modimpl.module.type_abbrv()}_{modimpl.id}_{ue.id}"
                        )
                        add_cell(
                            row,
                            col_id,
                            modimpl.module.code,
                            fmt_note(val),
                            # class col_res mod_ue_123
                            f"col_{modimpl.module.type_abbrv()} mod_ue_{ue.id}",
                        )
                        modimpl_ids.add(modimpl.id)

            rows.append(row)

        # tri par rang croissant
        rows.sort(key=lambda e: e["_rang_order"])

        # INFOS POUR FOOTER
        bottom_infos = self._recap_bottom_infos(
            [ue for ue in ues if ue.type != UE_SPORT], modimpl_ids, fmt_note
        )

        # --- TABLE FOOTER: ECTS, moyennes, min, max...
        footer_rows = []
        for bottom_line in bottom_infos:
            row = bottom_infos[bottom_line]
            # Cases vides à styler:
            row["moy_gen"] = row.get("moy_gen", "")
            row["_moy_gen_class"] = "col_moy_gen"
            # titre de la ligne:
            row["prenom"] = row["nom_short"] = bottom_line.capitalize()
            row["_tr_class"] = bottom_line.lower()
            footer_rows.append(row)
        return (
            rows,
            footer_rows,
            titles,
            [title for title in titles if not title.startswith("_")],
        )

    def _recap_bottom_infos(self, ues, modimpl_ids: set, fmt_note) -> dict:
        """Les informations à mettre en bas de la table: min, max, moy, ECTS"""
        bottom_infos = {  # { key : row } avec key = min, max, moy, coef
            "min": {},
            "max": {},
            "moy": {},
            "coef": {},
        }
        # --- ECTS
        row = {}
        for ue in ues:
            row[f"moy_ue_{ue.id}"] = ue.ects
            row[f"_moy_ue_{ue.id}_class"] = "col_ue"
            # style cases vides pour borders verticales
            bottom_infos["coef"][f"moy_ue_{ue.id}"] = ""
            bottom_infos["coef"][f"_moy_ue_{ue.id}_class"] = "col_ue"
        row["moy_gen"] = sum([ue.ects or 0 for ue in ues if ue.type != UE_SPORT])
        row["_moy_gen_class"] = "col_moy_gen"
        bottom_infos["ects"] = row

        # --- MIN, MAX, MOY
        row_min, row_max, row_moy = {}, {}, {}
        row_min["moy_gen"] = fmt_note(self.etud_moy_gen.min())
        row_max["moy_gen"] = fmt_note(self.etud_moy_gen.max())
        row_moy["moy_gen"] = fmt_note(self.etud_moy_gen.mean())
        for ue in [ue for ue in ues if ue.type != UE_SPORT]:
            col_id = f"moy_ue_{ue.id}"
            row_min[col_id] = fmt_note(self.etud_moy_ue[ue.id].min())
            row_max[col_id] = fmt_note(self.etud_moy_ue[ue.id].max())
            row_moy[col_id] = fmt_note(self.etud_moy_ue[ue.id].mean())
            row_min[f"_{col_id}_class"] = "col_ue"
            row_max[f"_{col_id}_class"] = "col_ue"
            row_moy[f"_{col_id}_class"] = "col_ue"

            for modimpl in self.formsemestre.modimpls_sorted:
                if modimpl.id in modimpl_ids:
                    col_id = f"moy_{modimpl.module.type_abbrv()}_{modimpl.id}_{ue.id}"
                    bottom_infos["coef"][col_id] = fmt_note(
                        self.modimpl_coefs_df[modimpl.id][ue.id]
                    )
                    i = self.modimpl_coefs_df.columns.get_loc(modimpl.id)
                    j = self.modimpl_coefs_df.index.get_loc(ue.id)
                    notes = self.sem_cube[:, i, j]
                    row_min[col_id] = fmt_note(np.nanmin(notes))
                    row_max[col_id] = fmt_note(np.nanmax(notes))
                    row_moy[col_id] = fmt_note(np.nanmean(notes))

        bottom_infos["min"] = row_min
        bottom_infos["max"] = row_max
        bottom_infos["moy"] = row_moy
        return bottom_infos

    def _recap_etud_groups_infos(self, etudid: int, row: dict, titles: dict):
        """Ajoute à row les colonnes sur les groupes pour etud"""
        # XXX à remonter dans res_common
        # dec = self.get_etud_decision_sem(etudid)
        # if dec:
        #    codes_nb[dec["code"]] += 1
        row_class = ""
        etud_etat = self.get_etud_etat(etudid)
        if etud_etat == sco_codes_parcours.DEM:
            gr_name = "Dém."
            row_class = "dem"
        elif etud_etat == sco_codes_parcours.DEF:
            gr_name = "Déf."
            row_class = "def"
        else:
            # XXX probablement à revoir pour utiliser données cachées,
            # via get_etud_groups_in_partition ou autre
            group = sco_groups.get_etud_main_group(etudid, self.formsemestre.id)
            gr_name = group["group_name"] or ""
        row["group"] = gr_name
        row["_group_class"] = "group"
        if row_class:
            row["_tr_class"] = " ".join([row.get("_tr_class", ""), row_class])
        titles["group"] = "Gr"