ScoDoc-Lille/migrations/versions/25e3ca6cc063_dispenseue_par_semestre.py

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"""DispenseUE par semestre
Revision ID: 25e3ca6cc063
Revises: 7e5b519a27e1
Create Date: 2023-01-13 17:19:49.431591
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.orm import sessionmaker # added by ev
# revision identifiers, used by Alembic.
revision = "25e3ca6cc063"
down_revision = "7e5b519a27e1"
branch_labels = None
depends_on = None
Session = sessionmaker()
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.add_column(
"dispenseUE", sa.Column("formsemestre_id", sa.Integer(), nullable=True)
)
op.drop_constraint("dispenseUE_ue_id_etudid_key", "dispenseUE", type_="unique")
op.create_index(
op.f("ix_dispenseUE_formsemestre_id"),
"dispenseUE",
["formsemestre_id"],
unique=False,
)
op.create_unique_constraint(
None, "dispenseUE", ["formsemestre_id", "ue_id", "etudid"]
)
op.create_foreign_key(
None, "dispenseUE", "notes_formsemestre", ["formsemestre_id"], ["id"]
)
# ### end Alembic commands ###
# Affecte les dispenses au formsemestre le plus récent ayant cette UE
bind = op.get_bind()
session = Session(bind=bind)
dispenses = session.execute(
"""SELECT id, ue_id, etudid FROM "dispenseUE" WHERE formsemestre_id IS NULL;"""
).all()
for dispense_id, ue_id, etudid in dispenses:
formsemestre_ids = session.execute(
"""
SELECT notes_formsemestre.id
FROM notes_formsemestre, notes_formations, notes_ue, notes_formsemestre_inscription
WHERE notes_formsemestre.formation_id = notes_formations.id
and notes_ue.formation_id = notes_formations.id
and notes_ue.semestre_idx=notes_formsemestre.semestre_id
and notes_formsemestre_inscription.formsemestre_id=notes_formsemestre.id
and notes_ue.id = :ue_id
and notes_formsemestre_inscription.etudid = :etudid
ORDER BY notes_formsemestre.date_debut DESC
LIMIT 1;
""",
{"ue_id": ue_id, "etudid": etudid},
).all()
if formsemestre_ids:
formsemestre_id = formsemestre_ids[0][0]
session.execute(
"""
UPDATE "dispenseUE" SET formsemestre_id=:formsemestre_id WHERE id=:dispense_id""",
{"formsemestre_id": formsemestre_id, "dispense_id": dispense_id},
)
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.drop_constraint(
"dispenseUE_formsemestre_id_fkey", "dispenseUE", type_="foreignkey"
)
op.drop_constraint(
"dispenseUE_formsemestre_id_ue_id_etudid_key", "dispenseUE", type_="unique"
)
op.drop_index(op.f("ix_dispenseUE_formsemestre_id"), table_name="dispenseUE")
op.create_unique_constraint(
"dispenseUE_ue_id_etudid_key", "dispenseUE", ["ue_id", "etudid"]
)
op.drop_column("dispenseUE", "formsemestre_id")
# ### end Alembic commands ###