47 lines
916 B
Go
47 lines
916 B
Go
package logic
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import (
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"context"
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"fmt"
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"5feet11/internal/db"
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"5feet11/internal/svc"
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"5feet11/internal/types"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type ExpandUrlLogic 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 NewExpandUrlLogic(ctx context.Context, svcCtx *svc.ServiceContext) *ExpandUrlLogic {
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return &ExpandUrlLogic{
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Logger: logx.WithContext(ctx),
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ctx: ctx,
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svcCtx: svcCtx,
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}
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}
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func (l *ExpandUrlLogic) ExpandUrl(req *types.ExpandReq) (resp *types.ExpandResp, err error) {
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queryUrl := db.UrlTable.SelectBuilder("redirect_url").Query(l.svcCtx.DB)
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queryUrl.BindStruct(db.UrlModel{Id: req.Snowflake})
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var urls []db.UrlModel
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if err := queryUrl.Select(&urls); err != nil {
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return nil, err
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}
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if len(urls) != 1 {
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return nil, fmt.Errorf("no URL found")
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}
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resp = &types.ExpandResp{
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RedirectUrl: urls[0].RedirectUrl,
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}
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return resp, err
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}
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