forked from ScoDoc/ScoDoc
125 lines
4.0 KiB
Python
125 lines
4.0 KiB
Python
# -*- coding: UTF-8 -*
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"""Groups & partitions
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"""
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from typing import Any
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from app import db
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from app.models import SHORT_STR_LEN
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from app.models import GROUPNAME_STR_LEN
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class Partition(db.Model):
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"""Partition: découpage d'une promotion en groupes"""
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__table_args__ = (db.UniqueConstraint("formsemestre_id", "partition_name"),)
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id = db.Column(db.Integer, primary_key=True)
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partition_id = db.synonym("id")
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formsemestre_id = db.Column(
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db.Integer,
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db.ForeignKey("notes_formsemestre.id"),
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index=True,
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)
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# "TD", "TP", ... (NULL for 'all')
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partition_name = db.Column(db.String(SHORT_STR_LEN))
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# Numero = ordre de presentation)
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numero = db.Column(db.Integer)
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# Calculer le rang ?
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bul_show_rank = db.Column(
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db.Boolean(), nullable=False, default=False, server_default="false"
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)
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# Montrer quand on indique les groupes de l'étudiant ?
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show_in_lists = db.Column(
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db.Boolean(), nullable=False, default=True, server_default="true"
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)
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# Editable ? (faux pour les groupes de parcours)
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groups_editable = db.Column(
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db.Boolean(), nullable=False, default=True, server_default="true"
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)
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groups = db.relationship(
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"GroupDescr",
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backref=db.backref("partition", lazy=True),
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lazy="dynamic",
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)
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def __init__(self, **kwargs):
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super(Partition, self).__init__(**kwargs)
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if self.numero is None:
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# génère numero à la création
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last_partition = Partition.query.order_by(Partition.numero.desc()).first()
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if last_partition:
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self.numero = last_partition.numero + 1
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else:
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self.numero = 1
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def __repr__(self):
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return f"""<{self.__class__.__name__} {self.id} "{self.partition_name or '(default)'}">"""
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def to_dict(self, with_groups=False) -> dict:
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"""as a dict, with or without groups"""
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d = {
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"id": self.id,
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"formsemestre_id": self.partition_id,
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"name": self.partition_name,
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"numero": self.numero,
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}
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if with_groups:
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d["groups"] = [group.to_dict(with_partition=False) for group in self.groups]
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return d
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class GroupDescr(db.Model):
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"""Description d'un groupe d'une partition"""
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__tablename__ = "group_descr"
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__table_args__ = (db.UniqueConstraint("partition_id", "group_name"),)
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id = db.Column(db.Integer, primary_key=True)
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group_id = db.synonym("id")
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partition_id = db.Column(db.Integer, db.ForeignKey("partition.id"))
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# "A", "C2", ... (NULL for 'all'):
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group_name = db.Column(db.String(GROUPNAME_STR_LEN))
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etuds = db.relationship(
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"Identite",
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secondary="group_membership",
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lazy="dynamic",
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)
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def __repr__(self):
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return (
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f"""<{self.__class__.__name__} {self.id} "{self.group_name or '(tous)'}">"""
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)
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def get_nom_with_part(self) -> str:
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"Nom avec partition: 'TD A'"
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return f"{self.partition.partition_name or ''} {self.group_name or '-'}"
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def to_dict(self, with_partition=True) -> dict:
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"""as a dict, with or without partition"""
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d = {
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"id": self.id,
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"partition_id": self.partition_id,
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"name": self.group_name,
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}
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if with_partition:
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d["partition"] = self.partition.to_dict(with_groups=False)
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return d
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group_membership = db.Table(
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"group_membership",
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db.Column("etudid", db.Integer, db.ForeignKey("identite.id", ondelete="CASCADE")),
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db.Column("group_id", db.Integer, db.ForeignKey("group_descr.id")),
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db.UniqueConstraint("etudid", "group_id"),
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)
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# class GroupMembership(db.Model):
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# """Association groupe / étudiant"""
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# __tablename__ = "group_membership"
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# __table_args__ = (db.UniqueConstraint("etudid", "group_id"),)
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# id = db.Column(db.Integer, primary_key=True)
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# etudid = db.Column(db.Integer, db.ForeignKey("identite.id", ondelete="CASCADE"))
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# group_id = db.Column(db.Integer, db.ForeignKey("group_descr.id"))
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