Files
yunzerwebsiteallinone/go/controllers/backend_ai_provider.go
T

361 lines
9.2 KiB
Go

package controllers
import (
"encoding/json"
"fmt"
"io"
"strconv"
"strings"
"sync"
"time"
"server/models"
"server/pkg/jwtutil"
beego "github.com/beego/beego/v2/server/web"
)
// BackendAiProviderController AI接入配置控制器
type BackendAiProviderController struct {
beego.Controller
}
func (c *BackendAiProviderController) aiClaims() (*jwtutil.Claims, error) {
auth := c.Ctx.Request.Header.Get("Authorization")
if auth == "" {
return nil, fmt.Errorf("未登录")
}
parts := strings.SplitN(auth, " ", 2)
if len(parts) != 2 || parts[0] != "Bearer" {
return nil, fmt.Errorf("认证信息格式错误")
}
claims, err := jwtutil.ParseToken(parts[1])
if err != nil {
return nil, fmt.Errorf("无效的token")
}
if claims.UserType != "backend" {
return nil, fmt.Errorf("无权访问")
}
return claims, nil
}
func (c *BackendAiProviderController) aiJsonErr(httpStatus, bizCode int, msg string) {
c.Ctx.Output.SetStatus(httpStatus)
c.Data["json"] = map[string]interface{}{"code": bizCode, "msg": msg}
_ = c.ServeJSON()
}
func (c *BackendAiProviderController) aiOk(data interface{}) {
c.Data["json"] = map[string]interface{}{"code": 200, "msg": "success", "data": data}
_ = c.ServeJSON()
}
type aiProviderPayload struct {
ProviderType string `json:"provider_type"`
Name string `json:"name"`
ApiBase string `json:"api_base"`
ApiKey string `json:"api_key"`
Models []string `json:"models"`
DefaultModel string `json:"default_model"` // 默认使用的模型
IsDefault int8 `json:"is_default"`
Status int8 `json:"status"`
Remark string `json:"remark"`
}
// clearTenantDefault 取消租户内所有默认配置
func clearTenantDefault(tenantID string) {
var defaults []models.BackendAiProvider
_, _ = models.Orm.QueryTable(new(models.BackendAiProvider)).
Filter("tenant_id", tenantID).
Filter("is_default", 1).
All(&defaults)
for _, d := range defaults {
d.IsDefault = 0
d.UpdateTime = time.Now()
_, _ = models.Orm.Update(&d, "is_default", "update_time")
}
}
// parseModels 将模型JSON字符串解析为数组
func parseProviderModels(m string) []string {
if m == "" {
return []string{}
}
var list []string
if err := json.Unmarshal([]byte(m), &list); err != nil {
// 兼容旧格式:逗号分隔的单个模型
return []string{m}
}
return list
}
// List GET /backend/ai/provider/list
func (c *BackendAiProviderController) List() {
claims, err := c.aiClaims()
if err != nil {
c.aiJsonErr(401, 401, err.Error())
return
}
var list []models.BackendAiProvider
_, err = models.Orm.QueryTable(new(models.BackendAiProvider)).
Filter("tenant_id", fmt.Sprintf("%d", claims.TenantId)).
Filter("user_id", uint64(claims.UserID)).
Filter("delete_time__isnull", true).
OrderBy("-id").
All(&list)
if err != nil {
c.aiJsonErr(500, 500, "查询失败: "+err.Error())
return
}
// 解析模型列表(不脱敏api_key,前端需要完整api_key进行测试)
for i := range list {
list[i].ModelsList = parseProviderModels(list[i].Models)
}
c.aiOk(map[string]interface{}{"list": list})
}
// Create POST /backend/ai/provider
func (c *BackendAiProviderController) Create() {
claims, err := c.aiClaims()
if err != nil {
c.aiJsonErr(401, 401, err.Error())
return
}
body, err := io.ReadAll(c.Ctx.Request.Body)
if err != nil {
c.aiJsonErr(400, 400, "读取请求体失败")
return
}
var p aiProviderPayload
if err := json.Unmarshal(body, &p); err != nil {
c.aiJsonErr(400, 400, "参数格式错误")
return
}
if strings.TrimSpace(p.Name) == "" {
c.aiJsonErr(400, 400, "配置名称不能为空")
return
}
if p.ProviderType != "openai" && p.ProviderType != "anthropic" {
c.aiJsonErr(400, 400, "接入类型必须是 openai 或 anthropic")
return
}
if strings.TrimSpace(p.ApiBase) == "" || strings.TrimSpace(p.ApiKey) == "" {
c.aiJsonErr(400, 400, "接口地址、API Key不能为空")
return
}
if len(p.Models) == 0 {
c.aiJsonErr(400, 400, "至少配置一个模型")
return
}
// 模型数组序列化为JSON
modelsJSON, _ := json.Marshal(p.Models)
// 如果设为默认,先取消租户内其他默认
if p.IsDefault == 1 {
clearTenantDefault(fmt.Sprintf("%d", claims.TenantId))
}
provider := models.BackendAiProvider{
TenantID: fmt.Sprintf("%d", claims.TenantId),
UserID: uint64(claims.UserID),
ProviderType: p.ProviderType,
Name: strings.TrimSpace(p.Name),
ApiBase: strings.TrimSpace(p.ApiBase),
ApiKey: strings.TrimSpace(p.ApiKey),
Models: string(modelsJSON),
DefaultModel: strings.TrimSpace(p.DefaultModel),
IsDefault: p.IsDefault,
Status: p.Status,
Remark: strings.TrimSpace(p.Remark),
CreateTime: time.Now(),
UpdateTime: time.Now(),
}
id, err := models.Orm.Insert(&provider)
if err != nil {
c.aiJsonErr(500, 500, "创建失败: "+err.Error())
return
}
c.aiOk(map[string]interface{}{"id": id})
}
// Update PUT /backend/ai/provider/:id
func (c *BackendAiProviderController) Update() {
claims, err := c.aiClaims()
if err != nil {
c.aiJsonErr(401, 401, err.Error())
return
}
idStr := c.Ctx.Input.Param(":id")
id, err := strconv.ParseUint(idStr, 10, 64)
if err != nil {
c.aiJsonErr(400, 400, "ID格式错误")
return
}
provider := models.BackendAiProvider{ID: id}
if err := models.Orm.Read(&provider); err != nil {
c.aiJsonErr(404, 404, "配置不存在")
return
}
if provider.TenantID != fmt.Sprintf("%d", claims.TenantId) {
c.aiJsonErr(403, 403, "无权操作")
return
}
body, err := io.ReadAll(c.Ctx.Request.Body)
if err != nil {
c.aiJsonErr(400, 400, "读取请求体失败")
return
}
var p aiProviderPayload
if err := json.Unmarshal(body, &p); err != nil {
c.aiJsonErr(400, 400, "参数格式错误")
return
}
// 如果设为默认,先取消租户内其他默认
if p.IsDefault == 1 && provider.IsDefault != 1 {
clearTenantDefault(fmt.Sprintf("%d", claims.TenantId))
}
provider.Name = strings.TrimSpace(p.Name)
provider.ProviderType = p.ProviderType
provider.ApiBase = strings.TrimSpace(p.ApiBase)
// 只有传入了非脱敏的key才更新
if p.ApiKey != "" && !strings.Contains(p.ApiKey, "****") {
provider.ApiKey = strings.TrimSpace(p.ApiKey)
}
// 更新模型列表
if len(p.Models) > 0 {
modelsJSON, _ := json.Marshal(p.Models)
provider.Models = string(modelsJSON)
}
provider.DefaultModel = strings.TrimSpace(p.DefaultModel)
provider.IsDefault = p.IsDefault
provider.Status = p.Status
provider.Remark = strings.TrimSpace(p.Remark)
provider.UpdateTime = time.Now()
_, err = models.Orm.Update(&provider)
if err != nil {
c.aiJsonErr(500, 500, "更新失败: "+err.Error())
return
}
c.aiOk(nil)
}
// Delete DELETE /backend/ai/provider/:id
func (c *BackendAiProviderController) Delete() {
claims, err := c.aiClaims()
if err != nil {
c.aiJsonErr(401, 401, err.Error())
return
}
idStr := c.Ctx.Input.Param(":id")
id, err := strconv.ParseUint(idStr, 10, 64)
if err != nil {
c.aiJsonErr(400, 400, "ID格式错误")
return
}
provider := models.BackendAiProvider{ID: id}
if err := models.Orm.Read(&provider); err != nil {
c.aiJsonErr(404, 404, "配置不存在")
return
}
if provider.TenantID != fmt.Sprintf("%d", claims.TenantId) {
c.aiJsonErr(403, 403, "无权操作")
return
}
now := time.Now()
provider.DeleteTime = &now
_, err = models.Orm.Update(&provider, "delete_time")
if err != nil {
c.aiJsonErr(500, 500, "删除失败: "+err.Error())
return
}
c.aiOk(nil)
}
type aiTestPayload struct {
ProviderType string `json:"provider_type"`
ApiBase string `json:"api_base"`
ApiKey string `json:"api_key"`
Models []string `json:"models"`
}
type modelTestResult struct {
Model string `json:"model"`
Success bool `json:"success"`
Error string `json:"error"`
}
// Test POST /backend/ai/provider/test
// 批量测试模型连通性
func (c *BackendAiProviderController) Test() {
if _, err := c.aiClaims(); err != nil {
c.aiJsonErr(401, 401, err.Error())
return
}
body, err := io.ReadAll(c.Ctx.Request.Body)
if err != nil {
c.aiJsonErr(400, 400, "读取请求体失败")
return
}
var p aiTestPayload
if err := json.Unmarshal(body, &p); err != nil {
c.aiJsonErr(400, 400, "参数格式错误")
return
}
if strings.TrimSpace(p.ApiBase) == "" || strings.TrimSpace(p.ApiKey) == "" {
c.aiJsonErr(400, 400, "接口地址和API Key不能为空")
return
}
if len(p.Models) == 0 {
c.aiOk(map[string]interface{}{"results": []modelTestResult{}})
return
}
// 构造临时provider
provider := models.BackendAiProvider{
ProviderType: p.ProviderType,
ApiBase: strings.TrimSpace(p.ApiBase),
ApiKey: strings.TrimSpace(p.ApiKey),
}
testMessages := []openaiMessage{{Role: "user", Content: "hi"}}
// 并发测试
results := make([]modelTestResult, len(p.Models))
var wg sync.WaitGroup
for i, model := range p.Models {
wg.Add(1)
go func(idx int, m string) {
defer wg.Done()
_, err := callAI(provider, m, "", testMessages)
if err != nil {
results[idx] = modelTestResult{Model: m, Success: false, Error: err.Error()}
} else {
results[idx] = modelTestResult{Model: m, Success: true, Error: ""}
}
}(i, model)
}
wg.Wait()
c.aiOk(map[string]interface{}{"results": results})
}