/
main.go
144 lines (120 loc) · 2.98 KB
/
main.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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
package main
import (
"flag"
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"os"
"github.com/Iwark/spreadsheet"
"github.com/Jeffail/gabs"
"golang.org/x/net/context"
"golang.org/x/oauth2/google"
)
func main() {
sheetID := flag.String("i", "", "spreadsheet ID")
config := flag.String("c", "", "path to JSON config file")
pretty := flag.Bool("p", false, "pretty print JSON")
flag.Parse()
if *sheetID == "" {
flag.PrintDefaults()
return
}
log.SetFlags(log.LstdFlags | log.Lshortfile)
client, err := newClient(*config)
if err != nil {
log.Fatal(err)
}
err = generate(client, *sheetID, *pretty, os.Stdout)
if err != nil {
log.Fatal(err)
}
}
// newClient returns a new HTTP client. If no config file is passed, return a
// default client; otherwise, return a JWT-enabled client using the given JSON
// config file.
func newClient(config string) (*http.Client, error) {
if config != "" {
return newJWTClient(config)
}
return newDefaultClient()
}
// newJWTClient returns a new JWT-enabled HTTP client.
func newJWTClient(config string) (*http.Client, error) {
clientData, err := ioutil.ReadFile(config)
if err != nil {
return nil, err
}
conf, err := google.JWTConfigFromJSON(clientData, spreadsheet.Scope)
if err != nil {
return nil, err
}
return conf.Client(context.TODO()), nil
}
// newDefaultClient returns a default HTTP client.
func newDefaultClient() (*http.Client, error) {
fmt.Printf("Default\n")
return google.DefaultClient(context.TODO(), spreadsheet.Scope)
}
// getSheets retrieves a spreadsheet by ID and returns it as a
// spreadsheet.Worksheets object.
func getSheets(client *http.Client, ID string) (*spreadsheet.Spreadsheet, error) {
s := &spreadsheet.Service{Client: client}
return s.Get(ID)
}
// generate is the main entry point in generating the resulting resources JSON
// content. The results are written to the given io.Writer interface.
func generate(client *http.Client, ID string, pretty bool, w io.Writer) error {
sheets, err := getSheets(client, ID)
if err != nil {
return err
}
jsonObj, err := getRecords(sheets)
if err != nil {
return err
}
var b []byte
if pretty {
b = jsonObj.BytesIndent("", " ")
} else {
b = jsonObj.Bytes()
}
_, err = w.Write(b)
if err != nil {
return err
}
return nil
}
// getResourcesData parses a given set of Worksheets and returns a slice of
// Resource objects.
func getRecords(sheets *spreadsheet.Spreadsheet) (*gabs.Container, error) {
obj := gabs.New()
for i := 0; i < len(sheets.Worksheets); i++ {
s, err := sheets.Get(i)
if err != nil {
return nil, err
}
_, err = obj.ArrayOfSize(s.MaxRowNum, s.Title)
if err != nil {
return nil, err
}
for j, r := range s.Rows {
_, err = obj.S(s.Title).ArrayOfSizeI(s.MaxColNum, j)
if err != nil {
return nil, err
}
CellLoop:
for k, c := range r {
if c == nil {
continue CellLoop
}
_, err = obj.S(s.Title).Index(j).SetIndex(c.Content, k)
if err != nil {
return nil, err
}
}
}
}
return obj, nil
}