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
|
// Copyright 2015 The Hugo Authors. All rights reserved.
//
// 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 commands
import (
"bytes"
"fmt"
"os"
"time"
"github.com/spf13/cobra"
"github.com/spf13/hugo/parser"
)
var undraftCmd = &cobra.Command{
Use: "undraft path/to/content",
Short: "Undraft changes the content's draft status from 'True' to 'False'",
Long: `Undraft changes the content's draft status from 'True' to 'False'
and updates the date to the current date and time.
If the content's draft status is 'False', nothing is done.`,
RunE: Undraft,
}
// Publish publishes the specified content by setting its draft status
// to false and setting its publish date to now. If the specified content is
// not a draft, it will log an error.
func Undraft(cmd *cobra.Command, args []string) error {
if err := InitializeConfig(); err != nil {
return err
}
if len(args) < 1 {
return newUserError("a piece of content needs to be specified")
}
location := args[0]
// open the file
f, err := os.Open(location)
if err != nil {
return err
}
// get the page from file
p, err := parser.ReadFrom(f)
f.Close()
if err != nil {
return err
}
w, err := undraftContent(p)
if err != nil {
return newSystemErrorF("an error occurred while undrafting %q: %s", location, err)
}
f, err = os.OpenFile(location, os.O_WRONLY|os.O_TRUNC, 0644)
if err != nil {
return newSystemErrorF("%q not be undrafted due to error opening file to save changes: %q\n", location, err)
}
defer f.Close()
_, err = w.WriteTo(f)
if err != nil {
return newSystemErrorF("%q not be undrafted due to save error: %q\n", location, err)
}
return nil
}
// undraftContent: if the content is a draft, change its draft status to
// 'false' and set the date to time.Now(). If the draft status is already
// 'false', don't do anything.
func undraftContent(p parser.Page) (bytes.Buffer, error) {
var buff bytes.Buffer
// get the metadata; easiest way to see if it's a draft
meta, err := p.Metadata()
if err != nil {
return buff, err
}
// since the metadata was obtainable, we can also get the key/value separator for
// Front Matter
fm := p.FrontMatter()
if fm == nil {
err := fmt.Errorf("Front Matter was found, nothing was finalized")
return buff, err
}
var isDraft, gotDate bool
var date string
L:
for k, v := range meta.(map[string]interface{}) {
switch k {
case "draft":
if !v.(bool) {
return buff, fmt.Errorf("not a Draft: nothing was done")
}
isDraft = true
if gotDate {
break L
}
case "date":
date = v.(string) // capture the value to make replacement easier
gotDate = true
if isDraft {
break L
}
}
}
// if draft wasn't found in FrontMatter, it isn't a draft.
if !isDraft {
return buff, fmt.Errorf("not a Draft: nothing was done")
}
// get the front matter as bytes and split it into lines
var lineEnding []byte
fmLines := bytes.Split(fm, parser.UnixEnding)
if len(fmLines) == 1 { // if the result is only 1 element, try to split on dos line endings
fmLines = bytes.Split(fm, parser.DosEnding)
if len(fmLines) == 1 {
return buff, fmt.Errorf("unable to split FrontMatter into lines")
}
lineEnding = append(lineEnding, parser.DosEnding...)
} else {
lineEnding = append(lineEnding, parser.UnixEnding...)
}
// Write the front matter lines to the buffer, replacing as necessary
for _, v := range fmLines {
pos := bytes.Index(v, []byte("draft"))
if pos != -1 {
v = bytes.Replace(v, []byte("true"), []byte("false"), 1)
goto write
}
pos = bytes.Index(v, []byte("date"))
if pos != -1 { // if date field wasn't found, add it
v = bytes.Replace(v, []byte(date), []byte(time.Now().Format(time.RFC3339)), 1)
}
write:
buff.Write(v)
buff.Write(lineEnding)
}
// append the actual content
buff.Write([]byte(p.Content()))
return buff, nil
}
|
