This repository has been archived by the owner on Feb 18, 2022. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 1
/
techbook.go
76 lines (64 loc) · 1.83 KB
/
techbook.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
package application
import (
"log"
"net/http"
"strconv"
"github.com/google/uuid"
"github.com/go-chi/chi"
"github.com/juntaki/techbook-qrcode/src/domain"
)
type TechBookServer struct {
router http.Handler
techBookRepository domain.TechBookRepository
qrcodeRepository domain.QRCodeRepository
}
func NewTechBookServer(
techBookRepository domain.TechBookRepository,
qrcodeRepository domain.QRCodeRepository,
) *TechBookServer {
router := chi.NewRouter()
s := &TechBookServer{
techBookRepository: techBookRepository,
qrcodeRepository: qrcodeRepository,
}
router.Get("/{code}", s.GetTechbook)
s.router = router
return s
}
func (s *TechBookServer) GetTechbook(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
code := chi.URLParam(r, "code")
_, err := uuid.Parse(code)
if err != nil {
log.Printf("Not valid code %s %s", code, err)
w.WriteHeader(http.StatusForbidden)
return
}
isValid := s.qrcodeRepository.IsExistQRCode(ctx, &domain.QRCode{ID: code})
if !isValid {
log.Printf("Not found code %s", code)
w.WriteHeader(http.StatusForbidden)
return
}
pdf, err := s.techBookRepository.GetTechBook(ctx)
if err != nil {
log.Printf("Cannot get techbook %s %s", err, code)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Header().Set("Cache-Control", "public, max-age=600")
w.Header().Set("Content-Disposition", "attachment; filename=m3techbook.pdf")
w.Header().Set("Content-Type", "application/pdf")
w.Header().Set("Content-Length", strconv.Itoa(len(pdf)))
w.WriteHeader(http.StatusOK)
_, err = w.Write(pdf)
if err != nil {
log.Printf("Cannot write techbook %s %s", err, code)
w.WriteHeader(http.StatusInternalServerError)
return
}
log.Printf("Download success %s", code)
}
func (s *TechBookServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
s.router.ServeHTTP(w, r)
}