forked from GoogleCloudPlatform/microservices-demo
-
Notifications
You must be signed in to change notification settings - Fork 0
/
packaging_info.go
79 lines (67 loc) · 2.03 KB
/
packaging_info.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
// Copyright 2023 Google LLC
//
// 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 main
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"os"
)
/*
As part of an optional Google Cloud demo, you can run an additional "packaging" microservice (HTTP server).
This file contains code related to the frontend and the "packaging" microservice.
*/
var (
packagingServiceUrl string
)
type PackagingInfo struct {
Weight float32 `json:"weight"`
Width float32 `json:"width"`
Height float32 `json:"height"`
Depth float32 `json:"depth"`
}
// init() is a special function in Golang that will run when this package is imported.
func init() {
packagingServiceUrl = os.Getenv("PACKAGING_SERVICE_URL")
}
func isPackagingServiceConfigured() bool {
return packagingServiceUrl != ""
}
func httpGetPackagingInfo(productId string) (*PackagingInfo, error) {
// Make the GET request
url := packagingServiceUrl + "/" + productId
fmt.Println("Requesting packaging info from URL: ", url)
resp, err := http.Get(url)
if err != nil {
return nil, err
}
defer resp.Body.Close()
// Check the response status code
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("Unexpected status code: %d", resp.StatusCode)
}
// Read the JSON response body
responseBody, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
// Decode the JSON response into a PackagingInfo struct
var packagingInfo PackagingInfo
err = json.Unmarshal(responseBody, &packagingInfo)
if err != nil {
return nil, err
}
return &packagingInfo, nil
}