63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
import copy
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import json
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import re
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from pathlib import Path
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from typing import Optional
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class CreditDebugService:
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"""处理征信解析接口的调试标记、参数校验与响应封装。"""
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VALID_MODEL = "LXCUSTALL"
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VALID_HTYPES = {"PERSON", "ENTERPRISE"}
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def __init__(self, template_path: str):
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self.template_path = template_path
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self.templates = self._load_templates()
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def validate_request(self, model: Optional[str], h_type: Optional[str], file_present: bool):
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if not model:
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return self.build_missing_param_response("model")
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if not file_present:
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return self.build_missing_param_response("file")
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if not h_type:
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return self.build_missing_param_response("hType")
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error_code = self.detect_error_marker(model)
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if error_code:
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return self.build_error_response(error_code)
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if model != self.VALID_MODEL:
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return self.build_error_response("ERR_10002")
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if h_type not in self.VALID_HTYPES:
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return self.build_error_response("ERR_10003")
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return None
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def build_success_response(self, payload: dict) -> dict:
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response = copy.deepcopy(self.templates["success"])
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response["payload"] = payload
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return response
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def build_missing_param_response(self, param_name: str) -> dict:
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response = self.build_error_response("ERR_99999")
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response["message"] = response["message"].replace("XX", param_name)
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return response
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def build_error_response(self, error_code: str) -> dict:
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return copy.deepcopy(self.templates["errors"][error_code])
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def detect_error_marker(self, model: str) -> Optional[str]:
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matched = re.search(r"error_(ERR_\d+)", model)
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if not matched:
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return None
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error_code = matched.group(1)
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if error_code in self.templates["errors"]:
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return error_code
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return None
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def _load_templates(self) -> dict:
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template_file = Path(self.template_path)
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if not template_file.is_absolute():
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template_file = Path(__file__).resolve().parent.parent / template_file
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return json.loads(template_file.read_text(encoding="utf-8"))
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