Initial import: shopdb-flask multi-site asset platform
Flask + Vue rewrite of the classic-ASP shopdb, built as a plugin framework so sister GE Aerospace sites can adopt it. Product version 0.7.0-pre-0.8.0, plugin contract 0.11.0, 966 backend tests. Key entry points: - docs/INSTALL-WINDOWS-IIS.md - tested Windows + IIS install runbook (own-site and subpath deployment methods) - docs/PILOT-DEPLOY.md - production pilot: stand up + import + verify - docs/IMPORT-API.md - schema-agnostic legacy data import contract - scripts/site_imports/wjf/ - West Jefferson reference import loader - docs/adr/ - twelve accepted architecture decision records
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migrations/versions/7d18_supportteamcontacts.py
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migrations/versions/7d18_supportteamcontacts.py
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"""Support teams get contacts; drop the legacy appowners pair
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Restructures the application support model: supportteams keeps teamname (now
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unique) + teamurl (widened to TEXT for ServiceNow group deep links), gains a
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child supportteamcontacts table, and sheds its single-owner appownerid FK and
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the appowners table. Each legacy team's appowner is migrated into ONE contact.
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applications.supportteamid is unchanged (it already points at supportteams).
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Idempotent guards throughout so it is safe on a partially-migrated box.
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Revision ID: 7d18_supportteamcontacts
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Revises: 7d17_machines_rename
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Create Date: 2026-07-11
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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 = '7d18_supportteamcontacts'
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down_revision = '7d17_machines_rename'
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branch_labels = None
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depends_on = None
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def _has_table(insp, name):
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return insp.has_table(name)
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def _has_column(insp, table, column):
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return column in [c['name'] for c in insp.get_columns(table)]
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def _has_unique(insp, table, name):
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return name in [u['name'] for u in insp.get_unique_constraints(table)]
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def upgrade():
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bind = op.get_bind()
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insp = sa.inspect(bind)
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# 1. New contacts table.
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if not _has_table(insp, 'supportteamcontacts'):
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op.create_table(
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'supportteamcontacts',
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sa.Column('contactid', sa.Integer(), primary_key=True),
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sa.Column('supportteamid', sa.Integer(), nullable=False),
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sa.Column('name', sa.String(length=100), nullable=False),
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sa.Column('sso', sa.String(length=50), nullable=True),
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sa.Column('sortorder', sa.Integer(), nullable=False,
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server_default='0'),
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sa.Column('createddate', sa.DateTime(), nullable=False),
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sa.Column('modifieddate', sa.DateTime(), nullable=False),
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sa.Column('isactive', sa.Boolean(), nullable=False,
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server_default='1'),
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sa.ForeignKeyConstraint(
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['supportteamid'], ['supportteams.supportteamid'],
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ondelete='CASCADE'),
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)
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# 2. Migrate each team's appowner into one contact.
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if _has_table(insp, 'appowners') and \
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_has_column(insp, 'supportteams', 'appownerid'):
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bind.exec_driver_sql(
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"INSERT INTO supportteamcontacts "
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"(supportteamid, name, sso, sortorder, isactive, "
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" createddate, modifieddate) "
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"SELECT st.supportteamid, ao.appowner, ao.sso, 0, 1, "
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" NOW(), NOW() "
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"FROM supportteams st "
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"JOIN appowners ao ON st.appownerid = ao.appownerid "
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"WHERE st.appownerid IS NOT NULL")
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# 3. teamname becomes unique.
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if not _has_unique(insp, 'supportteams', 'uq_supportteams_teamname'):
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op.create_unique_constraint(
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'uq_supportteams_teamname', 'supportteams', ['teamname'])
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# 4. Widen teamurl to TEXT.
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op.alter_column('supportteams', 'teamurl',
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existing_type=sa.String(length=255),
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type_=sa.Text(), existing_nullable=True)
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# 5. Drop the appownerid FK + column, then the appowners table.
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if _has_column(insp, 'supportteams', 'appownerid'):
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for fk in insp.get_foreign_keys('supportteams'):
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if 'appownerid' in fk['constrained_columns'] and fk.get('name'):
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bind.exec_driver_sql(
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f"ALTER TABLE supportteams DROP FOREIGN KEY {fk['name']}")
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op.drop_column('supportteams', 'appownerid')
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bind.exec_driver_sql("DROP TABLE IF EXISTS appowners")
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def downgrade():
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bind = op.get_bind()
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insp = sa.inspect(bind)
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# Recreate appowners.
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if not _has_table(insp, 'appowners'):
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op.create_table(
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'appowners',
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sa.Column('appownerid', sa.Integer(), primary_key=True),
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sa.Column('appowner', sa.String(length=100), nullable=False),
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sa.Column('sso', sa.String(length=50), nullable=True),
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sa.Column('email', sa.String(length=100), nullable=True),
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sa.Column('createddate', sa.DateTime(), nullable=False),
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sa.Column('modifieddate', sa.DateTime(), nullable=False),
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sa.Column('isactive', sa.Boolean(), nullable=False,
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server_default='1'),
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)
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# Re-add the appownerid FK column.
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if not _has_column(insp, 'supportteams', 'appownerid'):
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op.add_column('supportteams',
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sa.Column('appownerid', sa.Integer(), nullable=True))
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op.create_foreign_key(
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'fk_supportteams_appownerid', 'supportteams', 'appowners',
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['appownerid'], ['appownerid'])
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# Best-effort data reversal: each team's first active contact -> an owner.
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if _has_table(insp, 'supportteamcontacts'):
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rows = bind.execute(sa.text(
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"SELECT supportteamid, name, sso FROM supportteamcontacts "
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"WHERE isactive = 1 ORDER BY supportteamid, sortorder, contactid"))
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seen = set()
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for row in rows:
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if row.supportteamid in seen:
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continue
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seen.add(row.supportteamid)
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result = bind.execute(sa.text(
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"INSERT INTO appowners "
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"(appowner, sso, isactive, createddate, modifieddate) "
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"VALUES (:name, :sso, 1, NOW(), NOW())"),
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{'name': row.name, 'sso': row.sso})
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bind.execute(sa.text(
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"UPDATE supportteams SET appownerid = :ownerid "
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"WHERE supportteamid = :teamid"),
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{'ownerid': result.lastrowid, 'teamid': row.supportteamid})
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# Narrow teamurl back to VARCHAR(255).
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op.alter_column('supportteams', 'teamurl',
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existing_type=sa.Text(),
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type_=sa.String(length=255), existing_nullable=True)
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# Drop the unique constraint.
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if _has_unique(insp, 'supportteams', 'uq_supportteams_teamname'):
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op.drop_constraint('uq_supportteams_teamname', 'supportteams',
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type_='unique')
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op.drop_table('supportteamcontacts')
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