4e60587fda
- Set up project structure with FastAPI - Implement SQLAlchemy models for inventory items and categories - Create database connection with SQLite - Add CRUD operations for inventory management - Implement API endpoints for categories, items, and inventory transactions - Add health check endpoint - Set up Alembic for database migrations - Update README with documentation
77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
"""Initial migration
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Revision ID: a1b2c3d4e5f6
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Revises:
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Create Date: 2023-11-10 12:00:00.000000
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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 identifiers, used by Alembic.
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revision = 'a1b2c3d4e5f6'
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down_revision = None
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branch_labels = None
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depends_on = None
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def upgrade():
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# Create categories table
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op.create_table(
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'categories',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('name', sa.String(), nullable=False),
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sa.Column('description', sa.Text(), nullable=True),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_categories_id'), 'categories', ['id'], unique=False)
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op.create_index(op.f('ix_categories_name'), 'categories', ['name'], unique=True)
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# Create items table
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op.create_table(
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'items',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('name', sa.String(), nullable=False),
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sa.Column('description', sa.Text(), nullable=True),
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sa.Column('quantity', sa.Integer(), nullable=False, server_default='0'),
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sa.Column('price', sa.Float(), nullable=True),
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sa.Column('sku', sa.String(), nullable=True),
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sa.Column('category_id', sa.Integer(), nullable=True),
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sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=False),
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sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=False),
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sa.ForeignKeyConstraint(['category_id'], ['categories.id'], ),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_items_id'), 'items', ['id'], unique=False)
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op.create_index(op.f('ix_items_name'), 'items', ['name'], unique=False)
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op.create_index(op.f('ix_items_sku'), 'items', ['sku'], unique=True)
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# Create inventory_transactions table
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op.create_table(
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'inventory_transactions',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('item_id', sa.Integer(), nullable=False),
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sa.Column('quantity_change', sa.Integer(), nullable=False),
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sa.Column('transaction_type', sa.String(), nullable=False),
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sa.Column('notes', sa.Text(), nullable=True),
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sa.Column('timestamp', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=False),
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sa.ForeignKeyConstraint(['item_id'], ['items.id'], ),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_inventory_transactions_id'), 'inventory_transactions', ['id'], unique=False)
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def downgrade():
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# Drop tables in reverse order to respect foreign key constraints
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op.drop_index(op.f('ix_inventory_transactions_id'), table_name='inventory_transactions')
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op.drop_table('inventory_transactions')
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op.drop_index(op.f('ix_items_sku'), table_name='items')
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op.drop_index(op.f('ix_items_name'), table_name='items')
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op.drop_index(op.f('ix_items_id'), table_name='items')
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op.drop_table('items')
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op.drop_index(op.f('ix_categories_name'), table_name='categories')
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op.drop_index(op.f('ix_categories_id'), table_name='categories')
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op.drop_table('categories') |