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a TemplateFolder has a service, a name, and a parent. Parent is a nullable foreign key pointing to another TemplateFolder instance. We don't do any checks here for cyclical or otherwise invalid folder structures so keep your data clean, folks! Unsurprisingly, a Template can be part of a TemplateFolder - there's a mapping class (template_folder_map to avoid giving it a dumb name) - this mapping table shouldn't be interacted with directly - rather, you should use the `Template.folder` or `TemplateFolder.templates` relationship.
40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
"""
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Revision ID: 0242_template_folders
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Revises: 0241_another_letter_org
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Create Date: 2018-10-26 16:00:40.173840
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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.dialects import postgresql
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revision = '0242_template_folders'
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down_revision = '0241_another_letter_org'
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.create_table('template_folder',
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sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('service_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('name', sa.String(), nullable=False),
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sa.Column('parent_id', postgresql.UUID(as_uuid=True), nullable=True),
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sa.ForeignKeyConstraint(['parent_id'], ['template_folder.id'], ),
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sa.ForeignKeyConstraint(['service_id'], ['services.id'], ),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_table('template_folder_map',
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sa.Column('template_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('template_folder_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.ForeignKeyConstraint(['template_folder_id'], ['template_folder.id'], ),
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sa.ForeignKeyConstraint(['template_id'], ['templates.id'], ),
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sa.PrimaryKeyConstraint('template_id')
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)
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def downgrade():
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op.drop_table('template_folder_map')
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op.drop_table('template_folder')
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# ### end Alembic commands ###
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