generated from cloudwego/.github
-
Notifications
You must be signed in to change notification settings - Fork 75
/
product.go
95 lines (81 loc) · 2.72 KB
/
product.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
// Copyright 2022 CloudWeGo Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package productpage
import (
"context"
"net/http"
"github.com/cloudwego/biz-demo/bookinfo/kitex_gen/base"
"github.com/cloudwego/biz-demo/bookinfo/kitex_gen/cwg/bookinfo/details"
"github.com/cloudwego/biz-demo/bookinfo/kitex_gen/cwg/bookinfo/details/detailsservice"
"github.com/cloudwego/biz-demo/bookinfo/kitex_gen/cwg/bookinfo/product"
"github.com/cloudwego/biz-demo/bookinfo/kitex_gen/cwg/bookinfo/reviews"
"github.com/cloudwego/biz-demo/bookinfo/kitex_gen/cwg/bookinfo/reviews/reviewsservice"
"github.com/cloudwego/hertz/pkg/app"
"github.com/cloudwego/kitex/pkg/klog"
"golang.org/x/sync/errgroup"
)
// Handler productpage hertz handler
type Handler struct {
reviewsClient reviewsservice.Client
detailsClient detailsservice.Client
}
// New create handler
func New(reviewsClient reviewsservice.Client, detailsClient detailsservice.Client) *Handler {
return &Handler{reviewsClient: reviewsClient, detailsClient: detailsClient}
}
// GetProduct get product info
func (h *Handler) GetProduct(ctx context.Context, c *app.RequestContext) {
productID := c.Param("productID")
var (
reviewsResp *reviews.ReviewResp
detailsResp *details.GetProductResp
)
eg, ctx := errgroup.WithContext(ctx)
eg.Go(func() error {
res, err := h.reviewsClient.ReviewProduct(ctx, &reviews.ReviewReq{ProductID: productID})
if err != nil {
klog.CtxErrorf(ctx, "call reviews error: %s", err.Error())
return err
}
reviewsResp = res
return nil
})
eg.Go(func() error {
res, err := h.detailsClient.GetProduct(ctx, &details.GetProductReq{ID: productID})
if err != nil {
klog.CtxErrorf(ctx, "call details error: %s", err.Error())
return err
}
detailsResp = res
return nil
})
if err := eg.Wait(); err != nil {
c.JSON(http.StatusInternalServerError, &base.BaseResp{
StatusMessage: "internal error",
StatusCode: http.StatusInternalServerError,
Extra: nil,
})
return
}
p := detailsResp.GetProduct()
resp := &product.Product{
ID: productID,
Title: p.GetTitle(),
Author: p.GetAuthor(),
Description: p.GetDescription(),
Rating: reviewsResp.GetReview().GetRating(),
}
c.JSON(http.StatusOK, resp)
}