Sam Geyskens
1acaf26a38
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- Dropped the existing assessments table to remove user_id association. - Created a new assessments table linked to classes (class_id) allowing multiple teachers to share assessments. - Added necessary indexes for performance optimization. - Downgrade functionality to revert back to user-based assessments if needed.
61 lines
2.3 KiB
Python
61 lines
2.3 KiB
Python
"""assessments: herstructureer naar klasgebonden model
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Revision ID: 0004
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Revises: 0003
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Create Date: 2026-03-05
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Wijziging: assessments zijn niet langer gekoppeld aan een individuele
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leerkracht (user_id) maar aan een klas (class_id). Meerdere leerkrachten
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van dezelfde klas delen één set beoordelingen.
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OPGELET: dit dropt de bestaande assessments tabel — testdata gaat verloren.
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"""
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from alembic import op
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import sqlalchemy as sa
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revision = '0004'
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down_revision = '0003'
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branch_labels = None
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depends_on = None
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def upgrade():
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# Drop oude tabel volledig (testomgeving — geen productiedata)
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op.execute("DROP TABLE IF EXISTS assessments CASCADE")
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# Nieuwe tabel: klasgebonden, geen user_id
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op.execute("""
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CREATE TABLE assessments (
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id SERIAL PRIMARY KEY,
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class_id INTEGER NOT NULL REFERENCES classes(id) ON DELETE CASCADE,
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school_year_id INTEGER NOT NULL REFERENCES school_years(id) ON DELETE CASCADE,
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vak_id VARCHAR(50) NOT NULL,
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goal_id VARCHAR(50) NOT NULL,
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status VARCHAR(10) NOT NULL,
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opmerking VARCHAR(500),
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updated_at TIMESTAMP DEFAULT NOW(),
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UNIQUE(class_id, school_year_id, vak_id, goal_id)
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)
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""")
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op.execute("CREATE INDEX IF NOT EXISTS ix_assessments_class_year ON assessments(class_id, school_year_id)")
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op.execute("CREATE INDEX IF NOT EXISTS ix_assessments_vak ON assessments(vak_id)")
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def downgrade():
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op.execute("DROP TABLE IF EXISTS assessments CASCADE")
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# Zet terug naar user-gebaseerde tabel (zonder data)
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op.execute("""
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CREATE TABLE assessments (
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id SERIAL PRIMARY KEY,
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user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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school_id INTEGER NOT NULL REFERENCES schools(id) ON DELETE CASCADE,
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school_year_id INTEGER NOT NULL REFERENCES school_years(id) ON DELETE CASCADE,
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vak_id VARCHAR(50) NOT NULL,
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goal_id VARCHAR(50) NOT NULL,
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status VARCHAR(10) NOT NULL,
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opmerking VARCHAR(500),
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updated_at TIMESTAMP DEFAULT NOW(),
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UNIQUE(user_id, school_year_id, vak_id, goal_id)
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)
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""")
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