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