16cfcd783e
- Set up project structure with FastAPI and SQLite - Implement user authentication using JWT - Create database models for users, conversations, and messages - Implement API endpoints for user management and chat functionality - Set up WebSocket for real-time messaging - Add database migrations with Alembic - Create health check endpoint - Update README with comprehensive documentation generated with BackendIM... (backend.im)
85 lines
3.6 KiB
Python
85 lines
3.6 KiB
Python
"""Initial migration
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Revision ID: 001
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Revises:
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Create Date: 2025-05-12
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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 = '001'
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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() -> None:
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# Create users table
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op.create_table(
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'users',
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sa.Column('id', sa.String(), nullable=False),
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sa.Column('username', sa.String(), nullable=False),
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sa.Column('email', sa.String(), nullable=False),
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sa.Column('hashed_password', sa.String(), nullable=False),
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sa.Column('is_active', sa.Boolean(), nullable=True, default=True),
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sa.Column('created_at', sa.DateTime(), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=True),
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sa.Column('updated_at', sa.DateTime(), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=True),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
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op.create_index(op.f('ix_users_id'), 'users', ['id'], unique=False)
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op.create_index(op.f('ix_users_username'), 'users', ['username'], unique=True)
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# Create conversations table
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op.create_table(
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'conversations',
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sa.Column('id', sa.String(), nullable=False),
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sa.Column('name', sa.String(), nullable=True),
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sa.Column('is_group', sa.String(), nullable=True, default=False),
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sa.Column('created_at', sa.DateTime(), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=True),
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sa.Column('updated_at', sa.DateTime(), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=True),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_conversations_id'), 'conversations', ['id'], unique=False)
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# Create conversation_participants table
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op.create_table(
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'conversation_participants',
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sa.Column('conversation_id', sa.String(), nullable=False),
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sa.Column('user_id', sa.String(), nullable=False),
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sa.ForeignKeyConstraint(['conversation_id'], ['conversations.id'], ),
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sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
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sa.PrimaryKeyConstraint('conversation_id', 'user_id')
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)
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# Create messages table
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op.create_table(
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'messages',
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sa.Column('id', sa.String(), nullable=False),
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sa.Column('content', sa.String(), nullable=False),
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sa.Column('sender_id', sa.String(), nullable=False),
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sa.Column('recipient_id', sa.String(), nullable=True),
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sa.Column('conversation_id', sa.String(), nullable=False),
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sa.Column('is_read', sa.Boolean(), nullable=True, default=False),
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sa.Column('created_at', sa.DateTime(), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=True),
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sa.Column('updated_at', sa.DateTime(), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=True),
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sa.ForeignKeyConstraint(['conversation_id'], ['conversations.id'], ),
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sa.ForeignKeyConstraint(['recipient_id'], ['users.id'], ),
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sa.ForeignKeyConstraint(['sender_id'], ['users.id'], ),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_messages_id'), 'messages', ['id'], unique=False)
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def downgrade() -> None:
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op.drop_index(op.f('ix_messages_id'), table_name='messages')
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op.drop_table('messages')
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op.drop_table('conversation_participants')
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op.drop_index(op.f('ix_conversations_id'), table_name='conversations')
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op.drop_table('conversations')
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op.drop_index(op.f('ix_users_username'), table_name='users')
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op.drop_index(op.f('ix_users_id'), table_name='users')
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op.drop_index(op.f('ix_users_email'), table_name='users')
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op.drop_table('users') |