duanshuwen
4e04feda5b
- 为后端Admin新增migration_compat工具，支持离线迁移时的基线资源检查，重构全部alembic迁移脚本适配离线模式，避免重复创建已存在的数据库表和字段 - 完善初始数据库迁移脚本，添加默认部门种子数据，新增ConciergeAdvisor详情字段从JSON到JSONB的类型转换迁移 - 小程序端新增图片资源解析工具resolveNetworkImage，实现本地静态资源到CDN的自动映射，添加图片加载容错降级机制 - 完善HeroSlide类型定义，新增actionLabel字段，优化首页轮播组件的文本渲染与错误处理逻辑 - 新增对应测试用例验证迁移路径正确性与前端数据处理逻辑 - 新增临时 brainstorm UI对比草稿与开发临时状态文件
88 lines
2.9 KiB
Python
88 lines
2.9 KiB
Python
"""Add long-form detail content to homepage team buildings.
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Revision ID: 0020_home_team_building_details
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Revises: 0019_home_wild_archive_images
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"""
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from alembic import context, op
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import sqlalchemy as sa
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from sqlalchemy import inspect
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from sqlalchemy.dialects import postgresql
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from app.migration_compat import baseline_column_names
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revision = "0020_home_team_building_details"
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down_revision = "0019_home_wild_archive_images"
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branch_labels = None
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depends_on = None
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DETAIL_COLUMNS = {"detailSubtitle", "detailParagraphs"}
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def missing_detail_columns(existing_columns: set[str]) -> set[str]:
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return DETAIL_COLUMNS.difference(existing_columns)
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def is_offline_mode() -> bool:
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try:
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return context.is_offline_mode()
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except (NameError, AttributeError):
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return False
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def upgrade() -> None:
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if is_offline_mode():
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columns_to_add = missing_detail_columns(
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baseline_column_names("HomeTeamBuilding")
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)
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else:
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bind = op.get_bind()
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existing_columns = {column["name"] for column in inspect(bind).get_columns("HomeTeamBuilding")}
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columns_to_add = missing_detail_columns(existing_columns)
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if "detailSubtitle" in columns_to_add:
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op.add_column(
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"HomeTeamBuilding",
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sa.Column("detailSubtitle", sa.String(), nullable=False, server_default=""),
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)
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if "detailParagraphs" in columns_to_add:
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op.add_column(
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"HomeTeamBuilding",
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sa.Column(
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"detailParagraphs",
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postgresql.JSONB(astext_type=sa.Text()),
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nullable=False,
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server_default=sa.text("'[]'::jsonb"),
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),
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)
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op.execute(
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sa.text(
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'UPDATE "HomeTeamBuilding" '
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'SET "detailSubtitle" = CASE '
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'WHEN COALESCE("detailSubtitle", \'\') = \'\' THEN "description" '
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'ELSE "detailSubtitle" END, '
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'"detailParagraphs" = CASE '
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'WHEN "detailParagraphs" IS NULL OR jsonb_typeof("detailParagraphs") <> \'array\' '
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'OR (jsonb_typeof("detailParagraphs") = \'array\' '
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'AND jsonb_array_length("detailParagraphs") = 0) '
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'THEN jsonb_build_array("description") '
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'ELSE "detailParagraphs" END '
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'WHERE COALESCE("detailSubtitle", \'\') = \'\' '
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'OR "detailParagraphs" IS NULL '
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'OR jsonb_typeof("detailParagraphs") <> \'array\' '
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'OR (jsonb_typeof("detailParagraphs") = \'array\' '
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'AND jsonb_array_length("detailParagraphs") = 0)'
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)
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)
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if "detailSubtitle" in columns_to_add:
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op.alter_column("HomeTeamBuilding", "detailSubtitle", server_default=None)
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if "detailParagraphs" in columns_to_add:
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op.alter_column("HomeTeamBuilding", "detailParagraphs", server_default=None)
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def downgrade() -> None:
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op.drop_column("HomeTeamBuilding", "detailParagraphs")
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op.drop_column("HomeTeamBuilding", "detailSubtitle")
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