增加多个ai

This commit is contained in:
2026-08-14 12:29:59 +08:00
parent 7b03f54bb5
commit f7023f7958
3 changed files with 286 additions and 64 deletions
+192 -40
View File
@@ -1,8 +1,11 @@
package config
import (
"errors"
"fmt"
"os"
"path/filepath"
"strings"
"gopkg.in/yaml.v3"
)
@@ -12,14 +15,27 @@ const (
configFile = "config.yaml"
)
type Provider struct {
Name string `yaml:"name"`
APIKey string `yaml:"api_key"`
BaseURL string `yaml:"base_url"`
Models []string `yaml:"models"`
}
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"`
BotName string `yaml:"bot_name"`
Port int `yaml:"port"`
LogLevel string `yaml:"log_level"`
SystemPrompt string `yaml:"system_prompt"`
Providers []Provider `yaml:"providers"`
DefaultProvider string `yaml:"default_provider"`
DefaultModel string `yaml:"default_model"`
}
type legacyConfig struct {
APIKey string `yaml:"api_key"`
BaseURL string `yaml:"base_url"`
Model string `yaml:"model"`
}
var cfg *Config
@@ -45,54 +61,190 @@ func Load() (*Config, error) {
if err := yaml.Unmarshal(data, cfg); err != nil {
return nil, err
}
if len(cfg.Providers) == 0 {
if err := migrateLegacy(path, data); err != nil {
return nil, err
}
}
applyDefaults(cfg)
if err := validate(cfg); err != nil {
return nil, err
}
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 migrateLegacy(path string, data []byte) error {
legacy := &legacyConfig{}
if err := yaml.Unmarshal(data, legacy); err != nil {
return err
}
if legacy.APIKey == "" && legacy.BaseURL == "" && legacy.Model == "" {
return errors.New("配置文件中没有 providers,请检查 data/config.yaml")
}
p := Provider{
Name: "openai",
APIKey: legacy.APIKey,
BaseURL: legacy.BaseURL,
Models: []string{legacy.Model},
}
if p.BaseURL == "" {
p.BaseURL = "https://api.openai.com/v1"
}
if len(p.Models) == 0 || p.Models[0] == "" {
p.Models = []string{"gpt-4o-mini"}
}
cfg.Providers = []Provider{p}
cfg.DefaultProvider = p.Name
cfg.DefaultModel = p.Models[0]
return writeFile(path, cfg)
}
func applyDefaults(c *Config) {
if c.BotName == "" {
c.BotName = "ai-bot"
}
if c.Port == 0 {
c.Port = 8080
}
if c.LogLevel == "" {
c.LogLevel = "info"
}
if c.SystemPrompt == "" {
c.SystemPrompt = "你是一个乐于助人的 AI 助手。"
}
if c.DefaultProvider == "" && len(c.Providers) > 0 {
c.DefaultProvider = c.Providers[0].Name
}
}
func validate(c *Config) error {
if len(c.Providers) == 0 {
return errors.New("至少需要一个供应商 (providers)")
}
names := make(map[string]bool, len(c.Providers))
for i := range c.Providers {
p := &c.Providers[i]
if p.Name == "" {
return fmt.Errorf("providers[%d] 缺少 name", i)
}
if names[p.Name] {
return fmt.Errorf("供应商名称重复: %s", p.Name)
}
names[p.Name] = true
if p.BaseURL == "" {
return fmt.Errorf("供应商 %s 缺少 base_url", p.Name)
}
if len(p.Models) == 0 {
return fmt.Errorf("供应商 %s 未配置 models", p.Name)
}
for _, m := range p.Models {
if m == "" {
return fmt.Errorf("供应商 %s 包含空模型名", p.Name)
}
}
}
if _, ok := names[c.DefaultProvider]; !ok {
return fmt.Errorf("default_provider %q 不存在", c.DefaultProvider)
}
if _, _, err := ResolveModel(c.DefaultModel); err != nil {
return fmt.Errorf("default_model 无效: %w", err)
}
return nil
}
func FindProvider(name string) *Provider {
for i := range cfg.Providers {
if cfg.Providers[i].Name == name {
return &cfg.Providers[i]
}
}
return nil
}
func ResolveModel(id string) (*Provider, string, error) {
if id == "" {
id = cfg.DefaultModel
}
if providerName, modelName, ok := strings.Cut(id, "/"); ok {
p := FindProvider(providerName)
if p == nil {
return nil, "", fmt.Errorf("供应商 %q 不存在", providerName)
}
if !contains(p.Models, modelName) {
return nil, "", fmt.Errorf("供应商 %s 没有模型 %q", p.Name, modelName)
}
return p, modelName, nil
}
var found *Provider
for i := range cfg.Providers {
if contains(cfg.Providers[i].Models, id) {
if found != nil {
return nil, "", fmt.Errorf("模型 %q 在多个供应商中存在,请使用 provider/model 格式指定", id)
}
found = &cfg.Providers[i]
}
}
if found == nil {
return nil, "", fmt.Errorf("模型 %q 不存在", id)
}
return found, id, nil
}
func AllModels() []string {
var out []string
for i := range cfg.Providers {
p := &cfg.Providers[i]
for _, m := range p.Models {
out = append(out, p.Name+"/"+m)
}
}
return out
}
func contains(list []string, s string) bool {
for _, v := range list {
if v == s {
return true
}
}
return false
}
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。",
Providers: []Provider{
{
Name: "openai",
APIKey: "",
BaseURL: "https://api.openai.com/v1",
Models: []string{"gpt-4o-mini", "gpt-4o"},
},
{
Name: "deepseek",
APIKey: "",
BaseURL: "https://api.deepseek.com/v1",
Models: []string{"deepseek-chat", "deepseek-reasoner"},
},
},
DefaultProvider: "openai",
DefaultModel: "gpt-4o-mini",
}
data, err := yaml.Marshal(cfg)
if err := validate(cfg); err != nil {
return err
}
return writeFile(path, cfg)
}
func writeFile(path string, c *Config) error {
data, err := yaml.Marshal(c)
if err != nil {
return err
}