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| 1 | +"""Add template and generation models |
| 2 | +
|
| 3 | +Revision ID: 6f44bc66fd3f |
| 4 | +Revises: fe56fa70289e |
| 5 | +Create Date: 2026-02-21 23:20:00.000000 |
| 6 | +
|
| 7 | +""" |
| 8 | + |
| 9 | +from alembic import op |
| 10 | +import sqlalchemy as sa |
| 11 | +from sqlalchemy.dialects import postgresql |
| 12 | + |
| 13 | + |
| 14 | +# revision identifiers, used by Alembic. |
| 15 | +revision = "6f44bc66fd3f" |
| 16 | +down_revision = "fe56fa70289e" |
| 17 | +branch_labels = None |
| 18 | +depends_on = None |
| 19 | + |
| 20 | + |
| 21 | +template_category_enum = postgresql.ENUM( |
| 22 | + "cover_letter", |
| 23 | + "email", |
| 24 | + "proposal", |
| 25 | + "other", |
| 26 | + name="templatecategory", |
| 27 | + create_type=False, |
| 28 | +) |
| 29 | +template_language_enum = postgresql.ENUM( |
| 30 | + "fr", |
| 31 | + "en", |
| 32 | + "zh", |
| 33 | + "other", |
| 34 | + name="templatelanguage", |
| 35 | + create_type=False, |
| 36 | +) |
| 37 | + |
| 38 | + |
| 39 | +def upgrade() -> None: |
| 40 | + bind = op.get_bind() |
| 41 | + template_category_enum.create(bind, checkfirst=True) |
| 42 | + template_language_enum.create(bind, checkfirst=True) |
| 43 | + |
| 44 | + op.create_table( |
| 45 | + "template", |
| 46 | + sa.Column("name", sa.String(length=255), nullable=False), |
| 47 | + sa.Column("category", template_category_enum, nullable=False), |
| 48 | + sa.Column("language", template_language_enum, nullable=False), |
| 49 | + sa.Column("tags", sa.JSON(), nullable=False), |
| 50 | + sa.Column("id", postgresql.UUID(as_uuid=True), nullable=False), |
| 51 | + sa.Column("user_id", postgresql.UUID(as_uuid=True), nullable=False), |
| 52 | + sa.Column("is_archived", sa.Boolean(), nullable=False), |
| 53 | + sa.Column("created_at", sa.DateTime(timezone=True), nullable=True), |
| 54 | + sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True), |
| 55 | + sa.ForeignKeyConstraint(["user_id"], ["user.id"], ondelete="CASCADE"), |
| 56 | + sa.PrimaryKeyConstraint("id"), |
| 57 | + ) |
| 58 | + |
| 59 | + op.create_table( |
| 60 | + "templateversion", |
| 61 | + sa.Column("content", sa.Text(), nullable=False), |
| 62 | + sa.Column("variables_schema", sa.JSON(), nullable=False), |
| 63 | + sa.Column("id", postgresql.UUID(as_uuid=True), nullable=False), |
| 64 | + sa.Column("template_id", postgresql.UUID(as_uuid=True), nullable=False), |
| 65 | + sa.Column("version", sa.Integer(), nullable=False), |
| 66 | + sa.Column("created_at", sa.DateTime(timezone=True), nullable=True), |
| 67 | + sa.Column("created_by", postgresql.UUID(as_uuid=True), nullable=False), |
| 68 | + sa.ForeignKeyConstraint( |
| 69 | + ["template_id"], ["template.id"], ondelete="CASCADE" |
| 70 | + ), |
| 71 | + sa.ForeignKeyConstraint(["created_by"], ["user.id"], ondelete="CASCADE"), |
| 72 | + sa.PrimaryKeyConstraint("id"), |
| 73 | + sa.UniqueConstraint("template_id", "version"), |
| 74 | + ) |
| 75 | + |
| 76 | + op.create_table( |
| 77 | + "generation", |
| 78 | + sa.Column("title", sa.String(length=255), nullable=False), |
| 79 | + sa.Column("input_text", sa.Text(), nullable=False), |
| 80 | + sa.Column("extracted_values", sa.JSON(), nullable=False), |
| 81 | + sa.Column("output_text", sa.Text(), nullable=False), |
| 82 | + sa.Column("id", postgresql.UUID(as_uuid=True), nullable=False), |
| 83 | + sa.Column("user_id", postgresql.UUID(as_uuid=True), nullable=False), |
| 84 | + sa.Column("template_id", postgresql.UUID(as_uuid=True), nullable=False), |
| 85 | + sa.Column("template_version_id", postgresql.UUID(as_uuid=True), nullable=False), |
| 86 | + sa.Column("created_at", sa.DateTime(timezone=True), nullable=True), |
| 87 | + sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True), |
| 88 | + sa.ForeignKeyConstraint(["user_id"], ["user.id"], ondelete="CASCADE"), |
| 89 | + sa.ForeignKeyConstraint( |
| 90 | + ["template_id"], ["template.id"], ondelete="CASCADE" |
| 91 | + ), |
| 92 | + sa.ForeignKeyConstraint( |
| 93 | + ["template_version_id"], ["templateversion.id"], ondelete="CASCADE" |
| 94 | + ), |
| 95 | + sa.PrimaryKeyConstraint("id"), |
| 96 | + ) |
| 97 | + |
| 98 | + |
| 99 | +def downgrade() -> None: |
| 100 | + op.drop_table("generation") |
| 101 | + op.drop_table("templateversion") |
| 102 | + op.drop_table("template") |
| 103 | + |
| 104 | + bind = op.get_bind() |
| 105 | + template_language_enum.drop(bind, checkfirst=True) |
| 106 | + template_category_enum.drop(bind, checkfirst=True) |
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