aboutsummaryrefslogtreecommitdiffstats
path: root/worker/notmuch/message.go
blob: ec1adb9ba6efea7e117cf875ca4bb99f5a05a6da (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
148
149
150
151
152
153
154
155
156
157
158
//+build notmuch

package notmuch

import (
	"bytes"
	"fmt"
	"io"
	"io/ioutil"
	"os"

	"git.sr.ht/~sircmpwn/aerc/models"
	"git.sr.ht/~sircmpwn/aerc/worker/lib"
	notmuch "git.sr.ht/~sircmpwn/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 reads a message into memory and returns an io.Reader for it.
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
	}
	defer f.Close()
	b, err := ioutil.ReadAll(f)
	if err != nil {
		return nil, err
	}
	return bytes.NewReader(b), 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)
}

// MarkRead either adds or removes the maildir.FlagSeen flag from the message.
func (m *Message) MarkRead(seen bool) error {
	haveUnread := false
	tags, err := m.Tags()
	if err != nil {
		return err
	}
	for _, t := range tags {
		if t == "unread" {
			haveUnread = true
			break
		}
	}
	if (haveUnread && !seen) || (!haveUnread && seen) {
		// we already have the desired state
		return nil
	}

	if haveUnread {
		err := m.RemoveTag("unread")
		if err != nil {
			return err
		}
		return nil
	}

	err = m.AddTag("unread")
	if err != nil {
		return err
	}
	return nil
}

// 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)
}