-
-
Notifications
You must be signed in to change notification settings - Fork 66
/
page.go
executable file
·163 lines (139 loc) · 3.78 KB
/
page.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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
package main
import (
"encoding/json"
"io/ioutil"
"os"
"path"
"path/filepath"
"regexp"
"sort"
"strings"
"sync"
"time"
"github.com/schollz/versionedtext"
)
// Page is the basic struct
type Page struct {
Name string
Text versionedtext.VersionedText
Meta string
RenderedPage string
IsLocked bool
PassphraseToUnlock string
IsEncrypted bool
IsPrimedForSelfDestruct bool
IsPublished bool
}
func (p Page) LastEditTime() time.Time {
return time.Unix(p.LastEditUnixTime(), 0)
}
func (p Page) LastEditUnixTime() int64 {
return p.Text.LastEditTime() / 1000000000
}
func Open(name string) (p *Page) {
p = new(Page)
p.Name = name
p.Text = versionedtext.NewVersionedText("")
p.Render()
bJSON, err := ioutil.ReadFile(path.Join(pathToData, encodeToBase32(strings.ToLower(name))+".json"))
if err != nil {
return
}
err = json.Unmarshal(bJSON, &p)
if err != nil {
p = new(Page)
}
return p
}
type DirectoryEntry struct {
Name string
Length int
Numchanges int
LastEdited time.Time
}
func (d DirectoryEntry) LastEditTime() string {
return d.LastEdited.Format("Mon Jan 2 15:04:05 MST 2006")
}
func DirectoryList() []DirectoryEntry {
files, _ := ioutil.ReadDir(pathToData)
entries := make([]DirectoryEntry, len(files))
for i, f := range files {
name := DecodeFileName(f.Name())
p := Open(name)
entries[i] = DirectoryEntry{
Name: name,
Length: len(p.Text.GetCurrent()),
Numchanges: p.Text.NumEdits(),
LastEdited: time.Unix(p.Text.LastEditTime()/1000000000, 0),
}
}
sort.Slice(entries, func(i, j int) bool { return entries[i].LastEdited.After(entries[j].LastEdited) })
return entries
}
func DecodeFileName(s string) string {
s2, _ := decodeFromBase32(strings.Split(s, ".")[0])
return s2
}
// Update cleans the text and updates the versioned text
// and generates a new render
func (p *Page) Update(newText string) error {
// Trim space from end
newText = strings.TrimRight(newText, "\n\t ")
// Update the versioned text
p.Text.Update(newText)
// Render the new page
p.Render()
return p.Save()
}
var rBracketPage = regexp.MustCompile(`\[\[(.*?)\]\]`)
func (p *Page) Render() {
if p.IsEncrypted {
p.RenderedPage = "<code>" + p.Text.GetCurrent() + "</code>"
return
}
// Convert [[page]] to [page](/page/view)
currentText := p.Text.GetCurrent()
for _, s := range rBracketPage.FindAllString(currentText, -1) {
currentText = strings.Replace(currentText, s, "["+s[2:len(s)-2]+"](/"+s[2:len(s)-2]+"/view)", 1)
}
p.Text.Update(currentText)
p.RenderedPage = MarkdownToHtml(p.Text.GetCurrent())
}
var saveMut = sync.Mutex{}
func (p *Page) Save() error {
saveMut.Lock()
defer saveMut.Unlock()
bJSON, err := json.MarshalIndent(p, "", " ")
if err != nil {
return err
}
return ioutil.WriteFile(path.Join(pathToData, encodeToBase32(strings.ToLower(p.Name))+".json"), bJSON, 0644)
}
func (p *Page) ChildPageNames() []string {
prefix := strings.ToLower(p.Name + ": ")
files, err := filepath.Glob(path.Join(pathToData, "*"))
if err != nil {
panic("Filepath pattern cannot be malformed")
}
result := []string{}
for i := range files {
basename := filepath.Base(files[i])
if strings.HasSuffix(basename, ".json") {
cname, err := decodeFromBase32(basename[:len(basename)-len(".json")])
if err == nil && strings.HasPrefix(strings.ToLower(cname), prefix) {
result = append(result, cname)
}
}
}
return result
}
func (p *Page) IsNew() bool {
return !exists(path.Join(pathToData, encodeToBase32(strings.ToLower(p.Name))+".json"))
}
func (p *Page) Erase() error {
log.Trace("Erasing " + p.Name)
return os.Remove(path.Join(pathToData, encodeToBase32(strings.ToLower(p.Name))+".json"))
}
func (p *Page) Published() bool {
return p.IsPublished
}