57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
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package proxy
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import (
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"context"
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"apps/backend/internal/middleware"
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usageDomain "apps/backend/internal/module/usage/domain"
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"apps/backend/internal/response"
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"apps/backend/internal/svc"
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"apps/backend/internal/types"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type AICompleteLogic struct {
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logx.Logger
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ctx context.Context
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svcCtx *svc.ServiceContext
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}
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func NewAICompleteLogic(ctx context.Context, svcCtx *svc.ServiceContext) *AICompleteLogic {
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return &AICompleteLogic{Logger: logx.WithContext(ctx), ctx: ctx, svcCtx: svcCtx}
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}
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func (l *AICompleteLogic) AIComplete(req *types.AICompleteReq) (*types.AICompleteData, error) {
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if l.svcCtx.Usage == nil || l.svcCtx.AI == nil || l.svcCtx.KeyResolver == nil {
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return nil, response.Biz(503, 503001, "ai proxy not configured")
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}
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uid, ok := middleware.UIDFrom(l.ctx)
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if !ok {
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return nil, response.Biz(401, 401001, "missing authorization")
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}
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meter := req.Meter
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if meter == "" {
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meter = usageDomain.MeterAICopy
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}
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mode, err := l.svcCtx.Usage.PrepareCall(l.ctx, uid, meter)
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if err != nil {
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return nil, err
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}
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mode, apiKey, err := l.svcCtx.KeyResolver.ResolveKey(l.ctx, uid, meter)
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if err != nil {
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return nil, err
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}
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model := req.Model
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if model == "" {
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model = "grok-3"
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}
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// 語言 system prompt 已由 middleware 注入 ctx；AI client 強制加 system message
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text, err := l.svcCtx.AI.Complete(l.ctx, apiKey, model, req.Prompt)
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if err != nil {
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return nil, response.Biz(502, 502001, err.Error())
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}
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_, _ = l.svcCtx.Usage.RecordCall(l.ctx, uid, meter, mode, "AI complete", "proxy.ai")
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return &types.AICompleteData{Text: text, KeyMode: mode, Model: model}, nil
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}
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