Files
billai/server/config/config.go
2026-01-08 23:42:01 +08:00

199 lines
5.1 KiB
Go

package config
import (
"flag"
"fmt"
"os"
"path/filepath"
"gopkg.in/yaml.v3"
)
// Config 服务配置
type Config struct {
Port string // 服务端口
ProjectRoot string // 项目根目录
PythonPath string // Python 解释器路径
CleanScript string // 清理脚本路径
UploadDir string // 上传文件目录
OutputDir string // 输出文件目录
// MongoDB 配置
MongoURI string // MongoDB 连接 URI
MongoDatabase string // 数据库名称
MongoRawCollection string // 原始数据集合名称
MongoCleanedCollection string // 清洗后数据集合名称
}
// configFile YAML 配置文件结构
type configFile struct {
Server struct {
Port int `yaml:"port"`
} `yaml:"server"`
Python struct {
Path string `yaml:"path"`
Script string `yaml:"script"`
} `yaml:"python"`
Directories struct {
Upload string `yaml:"upload"`
Output string `yaml:"output"`
} `yaml:"directories"`
MongoDB struct {
URI string `yaml:"uri"`
Database string `yaml:"database"`
Collections struct {
Raw string `yaml:"raw"`
Cleaned string `yaml:"cleaned"`
} `yaml:"collections"`
} `yaml:"mongodb"`
}
// Global 全局配置实例
var Global Config
// getEnvOrDefault 获取环境变量,如果不存在则返回默认值
func getEnvOrDefault(key, defaultValue string) string {
if value := os.Getenv(key); value != "" {
return value
}
return defaultValue
}
// getDefaultProjectRoot 获取默认项目根目录
func getDefaultProjectRoot() string {
if root := os.Getenv("BILLAI_ROOT"); root != "" {
return root
}
exe, err := os.Executable()
if err == nil {
exeDir := filepath.Dir(exe)
if filepath.Base(exeDir) == "server" {
return filepath.Dir(exeDir)
}
}
cwd, _ := os.Getwd()
if filepath.Base(cwd) == "server" {
return filepath.Dir(cwd)
}
return cwd
}
// getDefaultPythonPath 获取默认 Python 路径
func getDefaultPythonPath() string {
if python := os.Getenv("BILLAI_PYTHON"); python != "" {
return python
}
return "analyzer/venv/bin/python"
}
// loadConfigFile 加载 YAML 配置文件
func loadConfigFile(configPath string) *configFile {
data, err := os.ReadFile(configPath)
if err != nil {
return nil
}
var cfg configFile
if err := yaml.Unmarshal(data, &cfg); err != nil {
fmt.Printf("⚠️ 配置文件解析失败: %v\n", err)
return nil
}
return &cfg
}
// Load 加载配置
func Load() {
var configFilePath string
flag.StringVar(&configFilePath, "config", "config.yaml", "配置文件路径")
flag.Parse()
// 设置默认值
Global.Port = getEnvOrDefault("PORT", "8080")
Global.ProjectRoot = getDefaultProjectRoot()
Global.PythonPath = getDefaultPythonPath()
Global.CleanScript = "analyzer/clean_bill.py"
Global.UploadDir = "server/uploads"
Global.OutputDir = "server/outputs"
// MongoDB 默认值
Global.MongoURI = getEnvOrDefault("MONGO_URI", "mongodb://localhost:27017")
Global.MongoDatabase = getEnvOrDefault("MONGO_DATABASE", "billai")
Global.MongoRawCollection = getEnvOrDefault("MONGO_RAW_COLLECTION", "bills_raw")
Global.MongoCleanedCollection = getEnvOrDefault("MONGO_CLEANED_COLLECTION", "bills_cleaned")
// 查找配置文件
configPath := configFilePath
if !filepath.IsAbs(configPath) {
if _, err := os.Stat(configPath); os.IsNotExist(err) {
configPath = filepath.Join("server", configFilePath)
}
}
// 加载配置文件
if cfg := loadConfigFile(configPath); cfg != nil {
fmt.Printf("📄 加载配置文件: %s\n", configPath)
if cfg.Server.Port > 0 {
Global.Port = fmt.Sprintf("%d", cfg.Server.Port)
}
if cfg.Python.Path != "" {
Global.PythonPath = cfg.Python.Path
}
if cfg.Python.Script != "" {
Global.CleanScript = cfg.Python.Script
}
if cfg.Directories.Upload != "" {
Global.UploadDir = cfg.Directories.Upload
}
if cfg.Directories.Output != "" {
Global.OutputDir = cfg.Directories.Output
}
// MongoDB 配置
if cfg.MongoDB.URI != "" {
Global.MongoURI = cfg.MongoDB.URI
}
if cfg.MongoDB.Database != "" {
Global.MongoDatabase = cfg.MongoDB.Database
}
if cfg.MongoDB.Collections.Raw != "" {
Global.MongoRawCollection = cfg.MongoDB.Collections.Raw
}
if cfg.MongoDB.Collections.Cleaned != "" {
Global.MongoCleanedCollection = cfg.MongoDB.Collections.Cleaned
}
}
// 环境变量覆盖
if port := os.Getenv("PORT"); port != "" {
Global.Port = port
}
if python := os.Getenv("BILLAI_PYTHON"); python != "" {
Global.PythonPath = python
}
if root := os.Getenv("BILLAI_ROOT"); root != "" {
Global.ProjectRoot = root
}
// MongoDB 环境变量覆盖
if uri := os.Getenv("MONGO_URI"); uri != "" {
Global.MongoURI = uri
}
if db := os.Getenv("MONGO_DATABASE"); db != "" {
Global.MongoDatabase = db
}
if rawColl := os.Getenv("MONGO_RAW_COLLECTION"); rawColl != "" {
Global.MongoRawCollection = rawColl
}
if cleanedColl := os.Getenv("MONGO_CLEANED_COLLECTION"); cleanedColl != "" {
Global.MongoCleanedCollection = cleanedColl
}
}
// ResolvePath 解析路径(相对路径转为绝对路径)
func ResolvePath(path string) string {
if filepath.IsAbs(path) {
return path
}
return filepath.Join(Global.ProjectRoot, path)
}