Initial commit

apps/svc_coverage/alembic/env.py

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+"""Alembic environment configuration for coverage service."""
+
+import os
+import sys
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+
+# Add the parent directory to the path so we can import our models
+sys.path.append(os.path.join(os.path.dirname(__file__), "..", "..", ".."))
+
+# Import your models here
+from apps.svc_coverage.models import Base
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+target_metadata = Base.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def get_url():
+    """Get database URL from environment or config."""
+    return os.getenv("DATABASE_URL", config.get_main_option("sqlalchemy.url"))
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = get_url()
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    configuration = config.get_section(config.config_ini_section)
+    configuration["sqlalchemy.url"] = get_url()
+    
+    connectable = engine_from_config(
+        configuration,
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection, target_metadata=target_metadata
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

apps/svc_coverage/alembic/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}

apps/svc_coverage/alembic/versions/0001_initial_coverage_tables.py

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+"""Initial coverage tables
+
+Revision ID: 0001
+Revises: 
+Create Date: 2024-09-14 12:00:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '0001'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # Create coverage_versions table
+    op.create_table(
+        'coverage_versions',
+        sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column('version', sa.String(length=50), nullable=False),
+        sa.Column('jurisdiction', sa.String(length=10), nullable=False),
+        sa.Column('tax_year', sa.String(length=10), nullable=False),
+        sa.Column('tenant_id', sa.String(length=100), nullable=True),
+        sa.Column('source_files', postgresql.JSON(astext_type=sa.Text()), nullable=False),
+        sa.Column('compiled_at', sa.DateTime(), nullable=False),
+        sa.Column('hash', sa.String(length=64), nullable=False),
+        sa.PrimaryKeyConstraint('id')
+    )
+    
+    # Create indexes for coverage_versions
+    op.create_index('ix_coverage_versions_version', 'coverage_versions', ['version'])
+    op.create_index('ix_coverage_versions_jurisdiction_tax_year', 'coverage_versions', ['jurisdiction', 'tax_year'])
+    op.create_index('ix_coverage_versions_tenant_id', 'coverage_versions', ['tenant_id'])
+    op.create_index('ix_coverage_versions_hash', 'coverage_versions', ['hash'])
+    
+    # Create coverage_audit table
+    op.create_table(
+        'coverage_audit',
+        sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column('taxpayer_id', sa.String(length=100), nullable=False),
+        sa.Column('tax_year', sa.String(length=10), nullable=False),
+        sa.Column('policy_version', sa.String(length=50), nullable=False),
+        sa.Column('overall_status', sa.String(length=20), nullable=False),
+        sa.Column('blocking_items', postgresql.JSON(astext_type=sa.Text()), nullable=False),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+        sa.Column('trace_id', sa.String(length=100), nullable=True),
+        sa.PrimaryKeyConstraint('id')
+    )
+    
+    # Create indexes for coverage_audit
+    op.create_index('ix_coverage_audit_taxpayer_id', 'coverage_audit', ['taxpayer_id'])
+    op.create_index('ix_coverage_audit_tax_year', 'coverage_audit', ['tax_year'])
+    op.create_index('ix_coverage_audit_taxpayer_tax_year', 'coverage_audit', ['taxpayer_id', 'tax_year'])
+    op.create_index('ix_coverage_audit_created_at', 'coverage_audit', ['created_at'])
+    op.create_index('ix_coverage_audit_trace_id', 'coverage_audit', ['trace_id'])
+
+
+def downgrade() -> None:
+    # Drop coverage_audit table and indexes
+    op.drop_index('ix_coverage_audit_trace_id', table_name='coverage_audit')
+    op.drop_index('ix_coverage_audit_created_at', table_name='coverage_audit')
+    op.drop_index('ix_coverage_audit_taxpayer_tax_year', table_name='coverage_audit')
+    op.drop_index('ix_coverage_audit_tax_year', table_name='coverage_audit')
+    op.drop_index('ix_coverage_audit_taxpayer_id', table_name='coverage_audit')
+    op.drop_table('coverage_audit')
+    
+    # Drop coverage_versions table and indexes
+    op.drop_index('ix_coverage_versions_hash', table_name='coverage_versions')
+    op.drop_index('ix_coverage_versions_tenant_id', table_name='coverage_versions')
+    op.drop_index('ix_coverage_versions_jurisdiction_tax_year', table_name='coverage_versions')
+    op.drop_index('ix_coverage_versions_version', table_name='coverage_versions')
+    op.drop_table('coverage_versions')