43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
"""phase31 — add ios_version and last_seen_at to api_device_tokens
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Extends the existing api_device_tokens table (phase7) so the admin
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Devices page can show iOS version and time of last app launch.
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Drops the unused device_registrations table created by phase30 if it exists.
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"""
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from alembic import op
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revision = 'phase31_device_registry'
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down_revision = 'phase30_device_registry'
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branch_labels = None
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depends_on = None
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def upgrade():
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# Add ios_version column if it doesn't exist
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op.execute("""
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ALTER TABLE api_device_tokens
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ADD COLUMN IF NOT EXISTS ios_version VARCHAR(20) NULL
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""")
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# Add last_seen_at column if it doesn't exist
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op.execute("""
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ALTER TABLE api_device_tokens
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ADD COLUMN IF NOT EXISTS last_seen_at DATETIME NULL
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""")
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# Backfill last_seen_at from registered_at for existing rows
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op.execute("""
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UPDATE api_device_tokens
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SET last_seen_at = registered_at
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WHERE last_seen_at IS NULL
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""")
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# Drop the incorrectly created device_registrations table from phase30 if present
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op.execute("DROP TABLE IF EXISTS device_registrations")
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def downgrade():
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op.execute("ALTER TABLE api_device_tokens DROP COLUMN IF EXISTS ios_version")
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op.execute("ALTER TABLE api_device_tokens DROP COLUMN IF EXISTS last_seen_at")
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