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ScoDoc/app/models/modules.py

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2021-12-08 22:33:32 +01:00
"""ScoDoc 9 models : Modules
"""
from app import db
from app.models import APO_CODE_STR_LEN
from app.scodoc import sco_utils as scu
from app.scodoc.sco_utils import ModuleType
class Module(db.Model):
"""Module"""
__tablename__ = "notes_modules"
id = db.Column(db.Integer, primary_key=True)
module_id = db.synonym("id")
titre = db.Column(db.Text())
abbrev = db.Column(db.Text()) # nom court
# certains départements ont des codes infiniment longs: donc Text !
code = db.Column(db.Text(), nullable=False)
heures_cours = db.Column(db.Float)
heures_td = db.Column(db.Float)
heures_tp = db.Column(db.Float)
coefficient = db.Column(db.Float) # coef PPN (sauf en APC)
ects = db.Column(db.Float) # Crédits ECTS
ue_id = db.Column(db.Integer, db.ForeignKey("notes_ue.id"), index=True)
formation_id = db.Column(db.Integer, db.ForeignKey("notes_formations.id"))
matiere_id = db.Column(db.Integer, db.ForeignKey("notes_matieres.id"))
# pas un id mais le numéro du semestre: 1, 2, ...
semestre_id = db.Column(db.Integer, nullable=False, default=1, server_default="1")
numero = db.Column(db.Integer) # ordre de présentation
# id de l'element pedagogique Apogee correspondant:
code_apogee = db.Column(db.String(APO_CODE_STR_LEN))
# Type: ModuleType: DEFAULT, MALUS, RESSOURCE, MODULE_SAE (enum)
module_type = db.Column(db.Integer)
# Relations:
modimpls = db.relationship("ModuleImpl", backref="module", lazy="dynamic")
ues_apc = db.relationship("UniteEns", secondary="module_ue_coef", viewonly=True)
tags = db.relationship(
"NotesTag",
secondary="notes_modules_tags",
lazy=True,
backref=db.backref("modules", lazy=True),
)
def __init__(self, **kwargs):
self.ue_coefs = []
super(Module, self).__init__(**kwargs)
def __repr__(self):
return (
f"<Module{ModuleType(self.module_type).name} id={self.id} code={self.code}>"
)
def to_dict(self):
e = dict(self.__dict__)
e.pop("_sa_instance_state", None)
# ScoDoc7 output_formators: (backward compat)
e["module_id"] = self.id
e["heures_cours"] = 0.0 if self.heures_cours is None else self.heures_cours
e["heures_td"] = 0.0 if self.heures_td is None else self.heures_td
e["heures_tp"] = 0.0 if self.heures_tp is None else self.heures_tp
e["numero"] = 0 if self.numero is None else self.numero
e["coefficient"] = 0.0 if self.coefficient is None else self.coefficient
e["module_type"] = 0 if self.module_type is None else self.module_type
return e
def is_apc(self):
"True si module SAÉ ou Ressource"
return self.module_type and scu.ModuleType(self.module_type) in {
scu.ModuleType.RESSOURCE,
scu.ModuleType.SAE,
}
def type_name(self):
return scu.MODULE_TYPE_NAMES[self.module_type]
def set_ue_coef(self, ue, coef: float) -> None:
"""Set coef module vers cette UE"""
self.update_ue_coef_dict({ue.id: coef})
def set_ue_coef_dict(self, ue_coef_dict: dict) -> None:
"""set coefs vers les UE (remplace existants)
ue_coef_dict = { ue_id : coef }
Les coefs nuls (zéro) ne sont pas stockés: la relation est supprimée.
"""
ue_coefs = []
for ue_id, coef in ue_coef_dict.items():
ue = UniteEns.query.get(ue_id)
if coef == 0.0:
self.delete_ue_coef(ue)
else:
ue_coefs.append(ModuleUECoef(module=self, ue=ue, coef=coef))
self.ue_coefs = ue_coefs
self.formation.invalidate_module_coefs()
def update_ue_coef_dict(self, ue_coef_dict: dict):
"""update coefs vers UE (ajoute aux existants)"""
current = self.get_ue_coef_dict()
current.update(ue_coef_dict)
self.set_ue_coef_dict(current)
def get_ue_coef_dict(self):
"""returns { ue_id : coef }"""
return {p.ue.id: p.coef for p in self.ue_coefs}
def delete_ue_coef(self, ue):
"""delete coef"""
ue_coef = ModuleUECoef.query.get((self.id, ue.id))
if ue_coef:
db.session.delete(ue_coef)
self.formation.invalidate_module_coefs()
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def get_ue_coefs_sorted(self):
"les coefs d'UE, trié par numéro d'UE"
# je n'ai pas su mettre un order_by sur le backref sans avoir
# à redéfinir les relationships...
return sorted(self.ue_coefs, key=lambda x: x.ue.numero)
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def ue_coefs_descr(self):
"""List of tuples [ (ue_acronyme, coef) ]"""
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return [(c.ue.acronyme, c.coef) for c in self.get_ue_coefs_sorted()]
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class ModuleUECoef(db.Model):
"""Coefficients des modules vers les UE (APC, BUT)
En mode APC, ces coefs remplacent le coefficient "PPN" du module.
"""
__tablename__ = "module_ue_coef"
module_id = db.Column(
db.Integer,
db.ForeignKey("notes_modules.id", ondelete="CASCADE"),
primary_key=True,
)
ue_id = db.Column(
db.Integer,
db.ForeignKey("notes_ue.id", ondelete="CASCADE"),
primary_key=True,
)
coef = db.Column(
db.Float,
nullable=False,
)
module = db.relationship(
Module,
backref=db.backref(
"ue_coefs",
passive_deletes=True,
cascade="save-update, merge, delete, delete-orphan",
),
)
ue = db.relationship(
"UniteEns",
backref=db.backref(
"module_ue_coefs",
passive_deletes=True,
cascade="save-update, merge, delete, delete-orphan",
),
)
class NotesTag(db.Model):
"""Tag sur un module"""
__tablename__ = "notes_tags"
__table_args__ = (db.UniqueConstraint("title", "dept_id"),)
id = db.Column(db.Integer, primary_key=True)
tag_id = db.synonym("id")
dept_id = db.Column(db.Integer, db.ForeignKey("departement.id"), index=True)
title = db.Column(db.Text(), nullable=False)
# Association tag <-> module
notes_modules_tags = db.Table(
"notes_modules_tags",
db.Column(
"tag_id",
db.Integer,
db.ForeignKey("notes_tags.id", ondelete="CASCADE"),
),
db.Column(
"module_id", db.Integer, db.ForeignKey("notes_modules.id", ondelete="CASCADE")
),
)
from app.models.ues import UniteEns