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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
//+build notmuch
package notmuch
import (
"bufio"
"fmt"
"io"
"os"
"git.sr.ht/~rjarry/aerc/models"
"git.sr.ht/~rjarry/aerc/worker/lib"
notmuch "git.sr.ht/~rjarry/aerc/worker/notmuch/lib"
"github.com/emersion/go-message"
_ "github.com/emersion/go-message/charset"
)
type Message struct {
uid uint32
key string
db *notmuch.DB
}
// NewReader returns a reader for a message
func (m *Message) NewReader() (io.Reader, error) {
name, err := m.Filename()
if err != nil {
return nil, err
}
f, err := os.Open(name)
if err != nil {
return nil, err
}
return bufio.NewReader(f), nil
}
// MessageInfo populates a models.MessageInfo struct for the message.
func (m *Message) MessageInfo() (*models.MessageInfo, error) {
return lib.MessageInfo(m)
}
// NewBodyPartReader creates a new io.Reader for the requested body part(s) of
// the message.
func (m *Message) NewBodyPartReader(requestedParts []int) (io.Reader, error) {
name, err := m.Filename()
if err != nil {
return nil, err
}
f, err := os.Open(name)
if err != nil {
return nil, err
}
defer f.Close()
msg, err := message.Read(f)
if err != nil {
return nil, fmt.Errorf("could not read message: %v", err)
}
return lib.FetchEntityPartReader(msg, requestedParts)
}
// SetFlag adds or removes a flag from the message.
// Notmuch doesn't support all the flags, and for those this errors.
func (m *Message) SetFlag(flag models.Flag, enable bool) error {
// Translate the flag into a notmuch tag, ignoring no-op flags.
var tag string
switch flag {
case models.SeenFlag:
// Note: Inverted properly later
tag = "unread"
case models.AnsweredFlag:
tag = "replied"
case models.FlaggedFlag:
tag = "flagged"
default:
return fmt.Errorf("Notmuch doesn't support flag %v", flag)
}
// Get the current state of the flag.
// Note that notmuch handles models.SeenFlag in an inverted sense.
oldState := false
tags, err := m.Tags()
if err != nil {
return err
}
for _, t := range tags {
if t == tag {
oldState = true
break
}
}
if flag == models.SeenFlag {
oldState = !oldState
}
// Skip if flag already in correct state.
if oldState == enable {
return nil
}
if !enable {
if flag == models.SeenFlag {
return m.AddTag("unread")
} else {
return m.RemoveTag(tag)
}
} else {
if flag == models.SeenFlag {
return m.RemoveTag("unread")
} else {
return m.AddTag(tag)
}
}
}
// MarkAnswered either adds or removes the "replied" tag from the message.
func (m *Message) MarkAnswered(answered bool) error {
return m.SetFlag(models.AnsweredFlag, answered)
}
// MarkRead either adds or removes the maildir.FlagSeen flag from the message.
func (m *Message) MarkRead(seen bool) error {
return m.SetFlag(models.SeenFlag, seen)
}
// tags returns the notmuch tags of a message
func (m *Message) Tags() ([]string, error) {
return m.db.MsgTags(m.key)
}
func (m *Message) Labels() ([]string, error) {
return m.Tags()
}
func (m *Message) ModelFlags() ([]models.Flag, error) {
var flags []models.Flag
seen := true
tags, err := m.Tags()
if err != nil {
return nil, err
}
for _, tag := range tags {
switch tag {
case "replied":
flags = append(flags, models.AnsweredFlag)
case "flagged":
flags = append(flags, models.FlaggedFlag)
case "unread":
seen = false
default:
continue
}
}
if seen {
flags = append(flags, models.SeenFlag)
}
return flags, nil
}
func (m *Message) UID() uint32 {
return m.uid
}
func (m *Message) Filename() (string, error) {
return m.db.MsgFilename(m.key)
}
//AddTag adds a single tag.
//Consider using *Message.ModifyTags for multiple additions / removals
//instead of looping over a tag array
func (m *Message) AddTag(tag string) error {
return m.ModifyTags([]string{tag}, nil)
}
//RemoveTag removes a single tag.
//Consider using *Message.ModifyTags for multiple additions / removals
//instead of looping over a tag array
func (m *Message) RemoveTag(tag string) error {
return m.ModifyTags(nil, []string{tag})
}
func (m *Message) ModifyTags(add, remove []string) error {
return m.db.MsgModifyTags(m.key, add, remove)
}
|