434 lines
12 KiB
Go
434 lines
12 KiB
Go
package controllers
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import (
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"encoding/json"
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"fmt"
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"io"
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"strconv"
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"strings"
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"sync"
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"time"
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"server/models"
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"server/pkg/identity"
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"server/pkg/jwtutil"
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"github.com/beego/beego/v2/client/orm"
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beego "github.com/beego/beego/v2/server/web"
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)
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// BackendAiProviderController AI接入配置控制器
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type BackendAiProviderController struct {
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beego.Controller
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}
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func (c *BackendAiProviderController) aiClaims() (*jwtutil.Claims, error) {
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return identity.Claims(c.Ctx.Request.Header.Get("Authorization"), identity.EndBackend)
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}
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func (c *BackendAiProviderController) aiJsonErr(httpStatus, bizCode int, msg string) {
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c.Ctx.Output.SetStatus(httpStatus)
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c.Data["json"] = map[string]interface{}{"code": bizCode, "msg": msg}
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_ = c.ServeJSON()
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}
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func (c *BackendAiProviderController) aiOk(data interface{}) {
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c.Data["json"] = map[string]interface{}{"code": 200, "msg": "success", "data": data}
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_ = c.ServeJSON()
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}
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type aiProviderPayload struct {
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ProviderType string `json:"provider_type"`
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Name string `json:"name"`
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ApiBase string `json:"api_base"`
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ApiKey string `json:"api_key"`
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Models []string `json:"models"`
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DefaultModel string `json:"default_model"` // 默认使用的模型
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IsDefault int8 `json:"is_default"`
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Status int8 `json:"status"`
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Remark string `json:"remark"`
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// Scope "tenant" 表示租户级配置(user_id=0,全员共用,由「基础设置 → AI 设置」维护);
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// 其它值/空表示个人配置,仅创建者可用。
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Scope string `json:"scope"`
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}
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// aiTenantScope 本次请求是否在维护租户级配置
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func aiTenantScope(scope string) bool {
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return strings.EqualFold(strings.TrimSpace(scope), "tenant")
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}
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// clearTenantDefault 取消同一归属范围内(租户级 / 同一用户)的其他默认配置
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func clearTenantDefault(tenantID string, userID uint64) {
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var defaults []models.BackendAiProvider
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_, _ = models.Orm.QueryTable(new(models.BackendAiProvider)).
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Filter("tenant_id", tenantID).
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Filter("user_id", userID).
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Filter("is_default", 1).
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All(&defaults)
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for _, d := range defaults {
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d.IsDefault = 0
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d.UpdateTime = time.Now()
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_, _ = models.Orm.Update(&d, "is_default", "update_time")
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}
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}
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// parseModels 将模型JSON字符串解析为数组
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func parseProviderModels(m string) []string {
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if m == "" {
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return []string{}
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}
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var list []string
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if err := json.Unmarshal([]byte(m), &list); err != nil {
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// 兼容旧格式:逗号分隔的单个模型
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return []string{m}
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}
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return list
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}
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// List GET /backend/ai/provider/list?scope=tenant
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// scope=tenant 只返回租户级配置(user_id=0);不传时返回「租户级 + 当前用户」,
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// 供 AI 广场选择可用接入。
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func (c *BackendAiProviderController) List() {
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claims, err := c.aiClaims()
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if err != nil {
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code := identity.Status(err)
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c.aiJsonErr(code, code, err.Error())
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return
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}
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cond := orm.NewCondition().
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And("tenant_id", fmt.Sprintf("%d", claims.TenantId)).
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And("delete_time__isnull", true)
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if aiTenantScope(c.GetString("scope")) {
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cond = cond.And("user_id", 0)
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} else {
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cond = cond.AndCond(orm.NewCondition().
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Or("user_id", 0).
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Or("user_id", uint64(claims.UserID)))
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}
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var list []models.BackendAiProvider
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_, err = models.Orm.QueryTable(new(models.BackendAiProvider)).
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SetCond(cond).
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OrderBy("user_id", "-id").
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All(&list)
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if err != nil {
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c.aiJsonErr(500, 500, "查询失败: "+err.Error())
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return
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}
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// 解析模型列表。个人配置不回传脱敏 Key(本人可见);
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// 租户级配置(user_id=0)全租户共用,Key 必须脱敏,测试走 test 接口的 id 模式。
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for i := range list {
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list[i].ModelsList = parseProviderModels(list[i].Models)
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if list[i].UserID == 0 {
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list[i].ApiKey = maskTenantAiKey(list[i].ApiKey)
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}
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}
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c.aiOk(map[string]interface{}{"list": list})
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}
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// Create POST /backend/ai/provider
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func (c *BackendAiProviderController) Create() {
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claims, err := c.aiClaims()
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if err != nil {
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code := identity.Status(err)
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c.aiJsonErr(code, code, err.Error())
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return
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}
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body, err := io.ReadAll(c.Ctx.Request.Body)
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if err != nil {
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c.aiJsonErr(400, 400, "读取请求体失败")
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return
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}
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var p aiProviderPayload
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if err := json.Unmarshal(body, &p); err != nil {
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c.aiJsonErr(400, 400, "参数格式错误")
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return
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}
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if strings.TrimSpace(p.Name) == "" {
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c.aiJsonErr(400, 400, "配置名称不能为空")
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return
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}
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if p.ProviderType != "openai" && p.ProviderType != "anthropic" {
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c.aiJsonErr(400, 400, "接入类型必须是 openai 或 anthropic")
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return
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}
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if strings.TrimSpace(p.ApiBase) == "" || strings.TrimSpace(p.ApiKey) == "" {
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c.aiJsonErr(400, 400, "接口地址、API Key不能为空")
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return
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}
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if len(p.Models) == 0 {
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c.aiJsonErr(400, 400, "至少配置一个模型")
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return
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}
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// 模型数组序列化为JSON
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modelsJSON, _ := json.Marshal(p.Models)
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// 租户级配置(user_id=0)由 OA 设置统一维护,全员可用
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ownerID := uint64(claims.UserID)
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if aiTenantScope(p.Scope) {
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ownerID = 0
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}
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// 如果设为默认,先取消同一归属范围内的其他默认
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if p.IsDefault == 1 {
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clearTenantDefault(fmt.Sprintf("%d", claims.TenantId), ownerID)
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}
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provider := models.BackendAiProvider{
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TenantID: fmt.Sprintf("%d", claims.TenantId),
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UserID: ownerID,
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ProviderType: p.ProviderType,
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Name: strings.TrimSpace(p.Name),
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ApiBase: strings.TrimSpace(p.ApiBase),
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ApiKey: strings.TrimSpace(p.ApiKey),
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Models: string(modelsJSON),
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DefaultModel: strings.TrimSpace(p.DefaultModel),
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IsDefault: p.IsDefault,
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Status: p.Status,
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Remark: strings.TrimSpace(p.Remark),
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CreateTime: time.Now(),
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UpdateTime: time.Now(),
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}
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id, err := models.Orm.Insert(&provider)
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if err != nil {
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c.aiJsonErr(500, 500, "创建失败: "+err.Error())
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return
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}
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c.aiOk(map[string]interface{}{"id": id})
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}
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// Update PUT /backend/ai/provider/:id
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func (c *BackendAiProviderController) Update() {
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claims, err := c.aiClaims()
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if err != nil {
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code := identity.Status(err)
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c.aiJsonErr(code, code, err.Error())
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return
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}
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idStr := c.Ctx.Input.Param(":id")
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id, err := strconv.ParseUint(idStr, 10, 64)
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if err != nil {
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c.aiJsonErr(400, 400, "ID格式错误")
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return
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}
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provider := models.BackendAiProvider{ID: id}
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if err := models.Orm.Read(&provider); err != nil {
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c.aiJsonErr(404, 404, "配置不存在")
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return
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}
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if provider.TenantID != fmt.Sprintf("%d", claims.TenantId) {
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c.aiJsonErr(403, 403, "无权操作")
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return
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}
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// 租户级配置(user_id=0)允许本租户管理员在 AI 设置中维护,个人配置仅本人可改
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if provider.UserID != 0 && provider.UserID != uint64(claims.UserID) {
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c.aiJsonErr(403, 403, "无权操作")
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return
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}
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body, err := io.ReadAll(c.Ctx.Request.Body)
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if err != nil {
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c.aiJsonErr(400, 400, "读取请求体失败")
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return
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}
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var p aiProviderPayload
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if err := json.Unmarshal(body, &p); err != nil {
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c.aiJsonErr(400, 400, "参数格式错误")
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return
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}
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// 如果设为默认,先取消同一归属范围内的其他默认
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if p.IsDefault == 1 && provider.IsDefault != 1 {
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clearTenantDefault(fmt.Sprintf("%d", claims.TenantId), provider.UserID)
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}
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provider.Name = strings.TrimSpace(p.Name)
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provider.ProviderType = p.ProviderType
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provider.ApiBase = strings.TrimSpace(p.ApiBase)
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// 只有传入了非脱敏的key才更新
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if p.ApiKey != "" && !strings.Contains(p.ApiKey, "****") {
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provider.ApiKey = strings.TrimSpace(p.ApiKey)
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}
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// 更新模型列表
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if len(p.Models) > 0 {
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modelsJSON, _ := json.Marshal(p.Models)
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provider.Models = string(modelsJSON)
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}
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provider.DefaultModel = strings.TrimSpace(p.DefaultModel)
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provider.IsDefault = p.IsDefault
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provider.Status = p.Status
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provider.Remark = strings.TrimSpace(p.Remark)
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provider.UpdateTime = time.Now()
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_, err = models.Orm.Update(&provider)
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if err != nil {
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c.aiJsonErr(500, 500, "更新失败: "+err.Error())
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return
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}
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c.aiOk(nil)
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}
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// Delete DELETE /backend/ai/provider/:id
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func (c *BackendAiProviderController) Delete() {
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claims, err := c.aiClaims()
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if err != nil {
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code := identity.Status(err)
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c.aiJsonErr(code, code, err.Error())
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return
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}
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idStr := c.Ctx.Input.Param(":id")
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id, err := strconv.ParseUint(idStr, 10, 64)
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if err != nil {
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c.aiJsonErr(400, 400, "ID格式错误")
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return
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}
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provider := models.BackendAiProvider{ID: id}
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if err := models.Orm.Read(&provider); err != nil {
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c.aiJsonErr(404, 404, "配置不存在")
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return
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}
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if provider.TenantID != fmt.Sprintf("%d", claims.TenantId) {
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c.aiJsonErr(403, 403, "无权操作")
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return
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}
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if provider.UserID != 0 && provider.UserID != uint64(claims.UserID) {
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c.aiJsonErr(403, 403, "无权操作")
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return
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}
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now := time.Now()
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provider.DeleteTime = &now
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_, err = models.Orm.Update(&provider, "delete_time")
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if err != nil {
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c.aiJsonErr(500, 500, "删除失败: "+err.Error())
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return
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}
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c.aiOk(nil)
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}
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type aiTestPayload struct {
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// ID 已保存的配置ID:不传 api_key(或传脱敏值)时用库里的密钥测试
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ID uint64 `json:"id"`
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ProviderType string `json:"provider_type"`
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ApiBase string `json:"api_base"`
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ApiKey string `json:"api_key"`
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Models []string `json:"models"`
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}
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type modelTestResult struct {
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Model string `json:"model"`
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Success bool `json:"success"`
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Error string `json:"error"`
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}
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// maskTenantAiKey 脱敏租户级配置的密钥(保留前后各 4 位)。
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// 注意:结果包含 ****,Update 遇到含 **** 的 key 会跳过更新,不会把脱敏值写回库。
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func maskTenantAiKey(key string) string {
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key = strings.TrimSpace(key)
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if key == "" {
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return ""
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}
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if len(key) <= 8 {
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return "****"
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}
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return key[:4] + "****" + key[len(key)-4:]
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}
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// Test POST /backend/ai/provider/test
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// 批量测试模型连通性。支持两种模式:
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// 1. 传 api_base + api_key:直接测试(新增/修改未保存的表单);
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// 2. 传 id(api_key 留空或为脱敏值):用已保存配置的密钥测试。
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func (c *BackendAiProviderController) Test() {
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claims, err := c.aiClaims()
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if err != nil {
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code := identity.Status(err)
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c.aiJsonErr(code, code, err.Error())
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return
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}
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body, err := io.ReadAll(c.Ctx.Request.Body)
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if err != nil {
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c.aiJsonErr(400, 400, "读取请求体失败")
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return
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}
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var p aiTestPayload
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if err := json.Unmarshal(body, &p); err != nil {
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c.aiJsonErr(400, 400, "参数格式错误")
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return
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}
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apiKey := strings.TrimSpace(p.ApiKey)
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if p.ID > 0 && (apiKey == "" || strings.Contains(apiKey, "****")) {
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stored := models.BackendAiProvider{ID: p.ID}
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if err := models.Orm.Read(&stored); err != nil {
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c.aiJsonErr(404, 404, "配置不存在")
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return
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}
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if stored.TenantID != fmt.Sprintf("%d", claims.TenantId) {
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c.aiJsonErr(403, 403, "无权操作")
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return
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}
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if stored.UserID != 0 && stored.UserID != uint64(claims.UserID) {
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c.aiJsonErr(403, 403, "无权操作")
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return
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}
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apiKey = stored.ApiKey
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if strings.TrimSpace(p.ApiBase) == "" {
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p.ApiBase = stored.ApiBase
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}
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if strings.TrimSpace(p.ProviderType) == "" {
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p.ProviderType = stored.ProviderType
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}
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}
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if strings.TrimSpace(p.ApiBase) == "" || apiKey == "" {
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c.aiJsonErr(400, 400, "接口地址和API Key不能为空")
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return
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}
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if len(p.Models) == 0 {
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c.aiOk(map[string]interface{}{"results": []modelTestResult{}})
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return
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}
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// 构造临时provider
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provider := models.BackendAiProvider{
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ProviderType: p.ProviderType,
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ApiBase: strings.TrimSpace(p.ApiBase),
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ApiKey: apiKey,
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}
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testMessages := []openaiMessage{{Role: "user", Content: "hi"}}
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// 并发测试
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results := make([]modelTestResult, len(p.Models))
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var wg sync.WaitGroup
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for i, model := range p.Models {
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wg.Add(1)
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go func(idx int, m string) {
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defer wg.Done()
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_, err := callAI(provider, m, "", testMessages)
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if err != nil {
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results[idx] = modelTestResult{Model: m, Success: false, Error: err.Error()}
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} else {
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results[idx] = modelTestResult{Model: m, Success: true, Error: ""}
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}
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}(i, model)
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}
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wg.Wait()
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c.aiOk(map[string]interface{}{"results": results})
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}
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