feat(services): implement token, file, and statement services

lsfx-mock-server/services/file_service.py

@@ -0,0 +1,151 @@
+from fastapi import BackgroundTasks, UploadFile
+from models.request import FetchInnerFlowRequest
+from utils.response_builder import ResponseBuilder
+from config.settings import settings
+from typing import Dict, List
+import time
+from datetime import datetime
+
+
+class FileService:
+    """文件上传和解析服务"""
+
+    def __init__(self):
+        self.file_records = {}  # logId -> record
+        self.parsing_status = {}  # logId -> is_parsing
+        self.log_counter = settings.INITIAL_LOG_ID
+
+    async def upload_file(
+        self, group_id: int, file: UploadFile, background_tasks: BackgroundTasks
+    ) -> Dict:
+        """上传文件并启动后台解析任务
+
+        Args:
+            group_id: 项目ID
+            file: 上传的文件
+            background_tasks: FastAPI后台任务
+
+        Returns:
+            上传响应字典
+        """
+        # 生成唯一logId
+        self.log_counter += 1
+        log_id = self.log_counter
+
+        # 获取当前时间
+        upload_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+
+        # 立即存储文件记录（初始状态：解析中）
+        self.file_records[log_id] = {
+            "logId": log_id,
+            "groupId": group_id,
+            "status": -5,
+            "uploadStatusDesc": "parsing",
+            "uploadFileName": file.filename,
+            "fileSize": 0,  # 简化处理
+            "bankName": "MOCK",
+            "uploadTime": upload_time,
+        }
+
+        # 标记为解析中
+        self.parsing_status[log_id] = True
+
+        # 启动后台任务，延迟解析
+        background_tasks.add_task(
+            self._simulate_parsing, log_id, settings.PARSE_DELAY_SECONDS
+        )
+
+        # 构建响应
+        response = ResponseBuilder.build_success_response(
+            "upload", log_id=log_id, upload_time=upload_time
+        )
+
+        return response
+
+    def _simulate_parsing(self, log_id: int, delay_seconds: int):
+        """后台任务：模拟文件解析过程
+
+        Args:
+            log_id: 日志ID
+            delay_seconds: 延迟秒数
+        """
+        time.sleep(delay_seconds)
+
+        # 解析完成，更新状态
+        if log_id in self.file_records:
+            self.file_records[log_id]["uploadStatusDesc"] = (
+                "data.wait.confirm.newaccount"
+            )
+            self.parsing_status[log_id] = False
+
+    def check_parse_status(self, group_id: int, inprogress_list: str) -> Dict:
+        """检查文件解析状态
+
+        Args:
+            group_id: 项目ID
+            inprogress_list: 文件ID列表（逗号分隔）
+
+        Returns:
+            解析状态响应字典
+        """
+        # 解析logId列表
+        log_ids = [int(x.strip()) for x in inprogress_list.split(",") if x.strip()]
+
+        # 检查是否还在解析中
+        is_parsing = any(
+            self.parsing_status.get(log_id, False) for log_id in log_ids
+        )
+
+        # 获取待处理列表
+        pending_list = [
+            self.file_records[log_id]
+            for log_id in log_ids
+            if log_id in self.file_records
+        ]
+
+        return {
+            "code": "200",
+            "data": {"parsing": is_parsing, "pendingList": pending_list},
+            "status": "200",
+            "successResponse": True,
+        }
+
+    def delete_files(self, group_id: int, log_ids: List[int], user_id: int) -> Dict:
+        """删除文件
+
+        Args:
+            group_id: 项目ID
+            log_ids: 文件ID列表
+            user_id: 用户ID
+
+        Returns:
+            删除响应字典
+        """
+        # 删除文件记录
+        for log_id in log_ids:
+            self.file_records.pop(log_id, None)
+            self.parsing_status.pop(log_id, None)
+
+        return {
+            "code": "200",
+            "data": {"message": "delete.files.success"},
+            "status": "200",
+            "successResponse": True,
+        }
+
+    def fetch_inner_flow(self, request: FetchInnerFlowRequest) -> Dict:
+        """拉取行内流水（模拟无数据场景）
+
+        Args:
+            request: 拉取流水请求
+
+        Returns:
+            流水响应字典
+        """
+        # 模拟无行内流水文件场景
+        return {
+            "code": "200",
+            "data": {"code": "501014", "message": "无行内流水文件"},
+            "status": "200",
+            "successResponse": True,
+        }