Files
ai-bot/internal/config/config.go
T
2026-08-13 18:54:34 +08:00

101 lines
1.9 KiB
Go

package config
import (
"os"
"path/filepath"
"gopkg.in/yaml.v3"
)
const (
configDir = "data"
configFile = "config.yaml"
)
type Config struct {
BotName string `yaml:"bot_name"`
Port int `yaml:"port"`
LogLevel string `yaml:"log_level"`
APIKey string `yaml:"api_key"`
BaseURL string `yaml:"base_url"`
Model string `yaml:"model"`
SystemPrompt string `yaml:"system_prompt"`
}
var cfg *Config
func Load() (*Config, error) {
if cfg != nil {
return cfg, nil
}
if err := os.MkdirAll(configDir, 0o755); err != nil {
return nil, err
}
path := filepath.Join(configDir, configFile)
if _, err := os.Stat(path); os.IsNotExist(err) {
if err := writeDefault(path); err != nil {
return nil, err
}
}
data, err := os.ReadFile(path)
if err != nil {
return nil, err
}
cfg = &Config{}
if err := yaml.Unmarshal(data, cfg); err != nil {
return nil, err
}
applyDefaults(cfg)
return cfg, nil
}
func applyDefaults(c *Config) {
def := &Config{
BotName: "ai-bot",
Port: 8080,
LogLevel: "info",
BaseURL: "https://api.openai.com/v1",
Model: "gpt-4o-mini",
SystemPrompt: "你是一个乐于助人的 AI 助手。",
}
if c.BotName == "" {
c.BotName = def.BotName
}
if c.Port == 0 {
c.Port = def.Port
}
if c.LogLevel == "" {
c.LogLevel = def.LogLevel
}
if c.BaseURL == "" {
c.BaseURL = def.BaseURL
}
if c.Model == "" {
c.Model = def.Model
}
if c.SystemPrompt == "" {
c.SystemPrompt = def.SystemPrompt
}
}
func GetConfig() *Config {
return cfg
}
func writeDefault(path string) error {
cfg = &Config{
BotName: "ai-bot",
Port: 8080,
LogLevel: "info",
APIKey: "",
BaseURL: "https://api.openai.com/v1",
Model: "gpt-4o-mini",
SystemPrompt: "你是一个乐于助人的 AI 助手。",
}
data, err := yaml.Marshal(cfg)
if err != nil {
return err
}
return os.WriteFile(path, data, 0o644)
}