75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
package agent
|
||
|
||
import (
|
||
"context"
|
||
"encoding/base64"
|
||
"fmt"
|
||
"strings"
|
||
|
||
"bdqr-server/app/main/model"
|
||
"bdqr-server/common/ctxdata"
|
||
"bdqr-server/common/xerr"
|
||
|
||
"github.com/pkg/errors"
|
||
|
||
"bdqr-server/app/main/api/internal/svc"
|
||
"bdqr-server/app/main/api/internal/types"
|
||
|
||
"github.com/zeromicro/go-zero/core/logx"
|
||
)
|
||
|
||
type GetInvitePosterLogic struct {
|
||
logx.Logger
|
||
ctx context.Context
|
||
svcCtx *svc.ServiceContext
|
||
}
|
||
|
||
func NewGetInvitePosterLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetInvitePosterLogic {
|
||
return &GetInvitePosterLogic{
|
||
Logger: logx.WithContext(ctx),
|
||
ctx: ctx,
|
||
svcCtx: svcCtx,
|
||
}
|
||
}
|
||
|
||
func (l *GetInvitePosterLogic) GetInvitePoster(req *types.GetInvitePosterReq) (resp *types.GetInvitePosterResp, err error) {
|
||
// 1. 需登录且为代理
|
||
userID, err := ctxdata.GetUidFromCtx(l.ctx)
|
||
if err != nil {
|
||
return nil, errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "获取用户信息失败, %v", err)
|
||
}
|
||
|
||
_, err = l.svcCtx.AgentModel.FindOneByUserId(l.ctx, userID)
|
||
if err != nil {
|
||
if errors.Is(err, model.ErrNotFound) {
|
||
return nil, errors.Wrapf(xerr.NewErrMsg("您不是代理"), "")
|
||
}
|
||
return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "查询代理信息失败, %v", err)
|
||
}
|
||
|
||
// 2. 邀请链接不能为空
|
||
inviteLink := strings.TrimSpace(req.InviteLink)
|
||
if inviteLink == "" {
|
||
return nil, errors.Wrapf(xerr.NewErrMsg("邀请链接不能为空"), "")
|
||
}
|
||
|
||
// 3. 确定模板类型（1-4 对应 invitation_01 ~ invitation_04）
|
||
templateIndex := req.TemplateIndex
|
||
if templateIndex < 1 || templateIndex > 4 {
|
||
templateIndex = 1
|
||
}
|
||
qrcodeType := fmt.Sprintf("invitation_%02d", templateIndex)
|
||
|
||
// 4. 调用 ImageService 生成邀请海报（背景图 + 二维码）
|
||
imgData, _, err := l.svcCtx.ImageService.ProcessImageWithQRCode(qrcodeType, inviteLink)
|
||
if err != nil {
|
||
return nil, errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "生成海报失败: %v", err)
|
||
}
|
||
|
||
// 5. 返回 base64
|
||
posterBase64 := base64.StdEncoding.EncodeToString(imgData)
|
||
return &types.GetInvitePosterResp{
|
||
PosterBase64: posterBase64,
|
||
}, nil
|
||
}
|