xiaoxia
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98 lines
4.2 KiB
Python
98 lines
4.2 KiB
Python
"""Phase 0 - 扩展性基础设施：metadata JSONB + title_libraries + voice_libraries
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Revision ID: 010
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Revises: 009
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Create Date: 2026-06-28
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This migration:
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1. Adds metadata JSONB column to 5 tables:
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- projects, asset_libraries, assets, edit_templates, generation_tasks
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2. Creates title_libraries table (独立标题库，支持跨项目复用)
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3. Creates voice_libraries table (配音库，支持 AI 配音管理)
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"""
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import sqlalchemy as sa
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from alembic import op
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# revision identifiers
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revision = "010"
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down_revision = "009"
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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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conn = op.get_bind()
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# ── 1. Add metadata JSONB to existing tables ──
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conn.execute(sa.text("ALTER TABLE projects ADD COLUMN IF NOT EXISTS metadata JSONB NOT NULL DEFAULT '{}'"))
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conn.execute(sa.text("ALTER TABLE asset_libraries ADD COLUMN IF NOT EXISTS metadata JSONB NOT NULL DEFAULT '{}'"))
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conn.execute(sa.text("ALTER TABLE assets ADD COLUMN IF NOT EXISTS metadata JSONB NOT NULL DEFAULT '{}'"))
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conn.execute(sa.text("ALTER TABLE edit_templates ADD COLUMN IF NOT EXISTS metadata JSONB NOT NULL DEFAULT '{}'"))
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conn.execute(sa.text("ALTER TABLE generation_tasks ADD COLUMN IF NOT EXISTS metadata JSONB NOT NULL DEFAULT '{}'"))
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# ── 2. Create title_libraries table ──
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conn.execute(sa.text("""
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CREATE TABLE IF NOT EXISTS title_libraries (
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id VARCHAR(36) PRIMARY KEY,
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user_id VARCHAR(36) NOT NULL,
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name VARCHAR(255) NOT NULL,
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description TEXT NOT NULL DEFAULT '',
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category VARCHAR(50) NOT NULL DEFAULT 'default',
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text VARCHAR(500) NOT NULL,
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tags JSONB NOT NULL DEFAULT '[]',
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usage_count INTEGER NOT NULL DEFAULT 0,
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is_active BOOLEAN NOT NULL DEFAULT TRUE,
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metadata JSONB NOT NULL DEFAULT '{}',
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created_at TIMESTAMP NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMP NOT NULL DEFAULT NOW()
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)
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"""))
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conn.execute(sa.text("CREATE INDEX IF NOT EXISTS ix_title_libraries_user_id ON title_libraries(user_id)"))
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conn.execute(sa.text("CREATE INDEX IF NOT EXISTS ix_title_libraries_category ON title_libraries(category)"))
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conn.execute(sa.text("CREATE INDEX IF NOT EXISTS ix_title_libraries_is_active ON title_libraries(is_active)"))
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# ── 3. Create voice_libraries table ──
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conn.execute(sa.text("""
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CREATE TABLE IF NOT EXISTS voice_libraries (
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id VARCHAR(36) PRIMARY KEY,
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user_id VARCHAR(36) NOT NULL,
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project_id VARCHAR(36),
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name VARCHAR(255) NOT NULL,
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text TEXT NOT NULL DEFAULT '',
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voice_provider VARCHAR(50) NOT NULL DEFAULT '',
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voice_id VARCHAR(100) NOT NULL DEFAULT '',
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voice_name VARCHAR(100) NOT NULL DEFAULT '',
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audio_url VARCHAR(1000) NOT NULL DEFAULT '',
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duration FLOAT NOT NULL DEFAULT 0,
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file_size INTEGER NOT NULL DEFAULT 0,
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status VARCHAR(20) NOT NULL DEFAULT 'completed',
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tags JSONB NOT NULL DEFAULT '[]',
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metadata JSONB NOT NULL DEFAULT '{}',
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created_at TIMESTAMP NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMP NOT NULL DEFAULT NOW()
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)
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"""))
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conn.execute(sa.text("CREATE INDEX IF NOT EXISTS ix_voice_libraries_user_id ON voice_libraries(user_id)"))
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conn.execute(sa.text("CREATE INDEX IF NOT EXISTS ix_voice_libraries_project_id ON voice_libraries(project_id)"))
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conn.execute(sa.text("CREATE INDEX IF NOT EXISTS ix_voice_libraries_status ON voice_libraries(status)"))
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def downgrade() -> None:
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conn = op.get_bind()
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# Drop new tables
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conn.execute(sa.text("DROP TABLE IF EXISTS voice_libraries"))
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conn.execute(sa.text("DROP TABLE IF EXISTS title_libraries"))
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# Remove metadata columns
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conn.execute(sa.text("ALTER TABLE generation_tasks DROP COLUMN IF EXISTS metadata"))
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conn.execute(sa.text("ALTER TABLE edit_templates DROP COLUMN IF EXISTS metadata"))
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conn.execute(sa.text("ALTER TABLE assets DROP COLUMN IF EXISTS metadata"))
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conn.execute(sa.text("ALTER TABLE asset_libraries DROP COLUMN IF EXISTS metadata"))
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conn.execute(sa.text("ALTER TABLE projects DROP COLUMN IF EXISTS metadata"))
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