blob: d66e24559fb10598c9ac357bb333b49712dae08b (
plain) (
blame)
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
145
146
147
|
package connector
import (
"bytes"
"io"
"net/http"
"os"
"path/filepath"
log "github.com/sirupsen/logrus"
)
type FileMediaObject struct {
Path string
}
func (m *FileMediaObject) Filename() string {
return filepath.Base(m.Path)
}
func (m *FileMediaObject) Size() int64 {
fi, err := os.Stat(m.Path)
if err != nil {
log.Fatal(err)
}
return fi.Size()
}
func (m *FileMediaObject) Mimetype() string {
f, err := os.Open(m.Path)
if err != nil {
log.Fatal(err)
}
defer f.Close()
buffer := make([]byte, 512)
_, err = f.Read(buffer)
if err != nil {
log.Fatal(err)
}
return http.DetectContentType(buffer)
}
func (m *FileMediaObject) ImageSize() *ImageSize {
// TODO but not really usefull
return nil
}
func (m *FileMediaObject) Read() (io.ReadCloser, error) {
return os.Open(m.Path)
}
func (m *FileMediaObject) URL() string {
return ""
}
// ----
type BlobMediaObject struct {
ObjectFilename string
ObjectMimetype string
ObjectImageSize *ImageSize
ObjectData []byte
}
func (m *BlobMediaObject) Filename() string {
return m.ObjectFilename
}
func (m *BlobMediaObject) Size() int64 {
return int64(len(m.ObjectData))
}
func (m *BlobMediaObject) Mimetype() string {
return m.ObjectMimetype
}
func (m *BlobMediaObject) ImageSize() *ImageSize {
return m.ObjectImageSize
}
func (m *BlobMediaObject) Read() (io.ReadCloser, error) {
return nullCloseReader{bytes.NewBuffer(m.ObjectData)}, nil
}
func (m *BlobMediaObject) URL() string {
return ""
}
type nullCloseReader struct {
io.Reader
}
func (ncr nullCloseReader) Close() error {
return nil
}
// ----
type LazyBlobMediaObject struct {
ObjectFilename string
ObjectMimetype string
ObjectImageSize *ImageSize
ObjectData []byte
GetFn func(o *LazyBlobMediaObject) error
}
func (m *LazyBlobMediaObject) Filename() string {
return m.ObjectFilename
}
func (m *LazyBlobMediaObject) Size() int64 {
if m.ObjectData == nil {
m.GetFn(m)
}
return int64(len(m.ObjectData))
}
func (m *LazyBlobMediaObject) Mimetype() string {
if m.ObjectData == nil {
m.GetFn(m)
}
return m.ObjectMimetype
}
func (m *LazyBlobMediaObject) ImageSize() *ImageSize {
if m.ObjectData == nil {
m.GetFn(m)
}
return m.ObjectImageSize
}
func (m *LazyBlobMediaObject) Read() (io.ReadCloser, error) {
if m.ObjectData == nil {
err := m.GetFn(m)
if err != nil {
return nil, err
}
}
return nullCloseReader{bytes.NewBuffer(m.ObjectData)}, nil
}
func (m *LazyBlobMediaObject) URL() string {
return ""
}
|
