96 lines
3.3 KiB
Python
96 lines
3.3 KiB
Python
"""add vocab bank tables
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Revision ID: 0008
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Revises: 0007
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Create Date: 2026-04-08
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"""
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from typing import Sequence, Union
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import sqlalchemy as sa
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from alembic import op
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from sqlalchemy.dialects import postgresql
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revision: str = "0008"
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down_revision: Union[str, None] = "0007"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.create_table(
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"user_language_pair",
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sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
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sa.Column(
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"user_id",
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postgresql.UUID(as_uuid=True),
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sa.ForeignKey("users.id", ondelete="CASCADE"),
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nullable=False,
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),
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sa.Column("source_lang", sa.String(2), nullable=False),
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sa.Column("target_lang", sa.String(2), nullable=False),
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sa.UniqueConstraint("user_id", "source_lang", "target_lang", name="uq_user_language_pair"),
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)
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op.create_index("ix_user_language_pair_user_id", "user_language_pair", ["user_id"])
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op.create_table(
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"learnable_word_bank_entry",
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sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
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sa.Column(
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"user_id",
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postgresql.UUID(as_uuid=True),
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sa.ForeignKey("users.id", ondelete="CASCADE"),
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nullable=False,
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),
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sa.Column(
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"language_pair_id",
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postgresql.UUID(as_uuid=True),
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sa.ForeignKey("user_language_pair.id", ondelete="CASCADE"),
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nullable=False,
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),
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sa.Column(
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"sense_id",
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postgresql.UUID(as_uuid=True),
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sa.ForeignKey("dictionary_sense.id", ondelete="SET NULL"),
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nullable=True,
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),
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sa.Column(
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"wordform_id",
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postgresql.UUID(as_uuid=True),
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sa.ForeignKey("dictionary_wordform.id", ondelete="SET NULL"),
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nullable=True,
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),
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sa.Column("surface_text", sa.Text(), nullable=False),
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sa.Column("is_phrase", sa.Boolean(), nullable=False, server_default="false"),
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sa.Column("entry_pathway", sa.Text(), nullable=False),
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sa.Column("source_article_id", postgresql.UUID(as_uuid=True), nullable=True),
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sa.Column("disambiguation_status", sa.Text(), nullable=False, server_default="pending"),
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sa.Column(
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"created_at",
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sa.DateTime(timezone=True),
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nullable=False,
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server_default=sa.func.now(),
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),
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)
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op.create_index(
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"ix_learnable_word_bank_entry_user_id", "learnable_word_bank_entry", ["user_id"]
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)
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op.create_index(
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"ix_learnable_word_bank_entry_language_pair_id",
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"learnable_word_bank_entry",
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["language_pair_id"],
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)
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op.create_index(
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"ix_learnable_word_bank_entry_sense_id", "learnable_word_bank_entry", ["sense_id"]
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)
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def downgrade() -> None:
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op.drop_index("ix_learnable_word_bank_entry_sense_id", table_name="learnable_word_bank_entry")
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op.drop_index(
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"ix_learnable_word_bank_entry_language_pair_id", table_name="learnable_word_bank_entry"
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)
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op.drop_index("ix_learnable_word_bank_entry_user_id", table_name="learnable_word_bank_entry")
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op.drop_table("learnable_word_bank_entry")
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op.drop_index("ix_user_language_pair_user_id", table_name="user_language_pair")
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op.drop_table("user_language_pair")
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