81 lines
3.4 KiB
Python
81 lines
3.4 KiB
Python
"""查询前端组件目录:目录只来自启动时从 MongoDB 载入的进程内存缓存,没有文件回退"""
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from pathlib import Path
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from app.schemas.component_resource import (
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ComponentCatalog,
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ComponentQuery,
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ComponentResult,
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)
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# 进程内共享的组件目录,由启动流程载入;agent 与前端接口读取同一份
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_cached_catalog: ComponentCatalog | None = None
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def set_catalog_cache(catalog: ComponentCatalog | None) -> None:
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global _cached_catalog
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_cached_catalog = catalog
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def get_catalog_cache() -> ComponentCatalog | None:
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return _cached_catalog
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def load_catalog_file(path: str | Path) -> ComponentCatalog:
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"""读取导出的目录文件,只供导入脚本使用,运行时不读取文件"""
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# 如果传入的是相对路径,以项目根目录为基准,避免受启动时工作目录影响
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target = Path(path)
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if not target.is_absolute():
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target = Path(__file__).resolve().parents[2] / target
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# utf-8-sig 同时兼容带 BOM 和不带 BOM 的 UTF-8 文件;损坏或不合法直接报错
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return ComponentCatalog.model_validate_json(target.read_text(encoding="utf-8-sig"))
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class ComponentProvider:
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def query(self, query: ComponentQuery) -> ComponentResult:
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catalog = _cached_catalog
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if catalog is None:
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# 启动时未载入目录,返回未支持状态和原因,由调用方决定失败处理方式
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return ComponentResult(
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status="unsupported",
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message="物料目录未载入,请确认已配置 MongoDB 并导入物料",
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)
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# 如果提供关键词,去除首尾空白并统一大小写,未提供时不启用关键词筛选
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keyword = (
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query.keyword.strip().casefold() if query.keyword is not None else None
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)
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# 收集同时满足所有已提供条件的组件,未设置任何条件时返回全量目录
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matches = []
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for component in catalog.components:
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# 如果指定目录编号,则跳过编号不完全匹配的组件
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if query.key is not None and component.key != query.key:
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continue
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# 如果指定前端组件类型,则跳过类型不完全匹配的组件
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if query.type is not None and component.type != query.type:
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continue
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# 将编号、类型、名称、说明和标签拼成检索文本,并与关键词统一大小写
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searchable = " ".join(
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[
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component.key,
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component.type,
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component.name,
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component.description,
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*component.tags,
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]
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).casefold()
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# 如果设置了关键词,但检索文本中不包含该关键词,则跳过当前组件
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if keyword is not None and keyword not in searchable:
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continue
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# 深拷贝后返回,调用方修改结果不会污染共享缓存
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matches.append(component.model_copy(deep=True))
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# 根据是否有匹配项区分查询成功和未找到,同时保留目录版本、来源及结果说明
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return ComponentResult(
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status="resolved" if matches else "not_found",
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components=matches,
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catalog_version=catalog.version,
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message="已找到组件定义" if matches else "已查询组件目录,未找到匹配的组件",
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)
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