aboutsummaryrefslogtreecommitdiffstats
path: root/commands/msg/archive.go
blob: 1c9d792909964d822eb78ba6e170907e5244e01d (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
package msg

import (
	"errors"
	"fmt"
	"strings"
	"sync"

	"git.sr.ht/~rjarry/aerc/commands"
	"git.sr.ht/~rjarry/aerc/log"
	"git.sr.ht/~rjarry/aerc/models"
	"git.sr.ht/~rjarry/aerc/widgets"
	"git.sr.ht/~rjarry/aerc/worker/types"
)

const (
	ARCHIVE_FLAT  = "flat"
	ARCHIVE_YEAR  = "year"
	ARCHIVE_MONTH = "month"
)

type Archive struct{}

func init() {
	register(Archive{})
}

func (Archive) Aliases() []string {
	return []string{"archive"}
}

func (Archive) Complete(aerc *widgets.Aerc, args []string) []string {
	valid := []string{"flat", "year", "month"}
	return commands.CompletionFromList(aerc, valid, args)
}

func (Archive) Execute(aerc *widgets.Aerc, args []string) error {
	if len(args) != 2 {
		return errors.New("Usage: archive <flat|year|month>")
	}
	h := newHelper(aerc)
	msgs, err := h.messages()
	if err != nil {
		return err
	}
	err = archive(aerc, msgs, args[1])
	return err
}

func archive(aerc *widgets.Aerc, msgs []*models.MessageInfo, archiveType string) error {
	h := newHelper(aerc)
	acct, err := h.account()
	if err != nil {
		return err
	}
	store, err := h.store()
	if err != nil {
		return err
	}
	var uids []uint32
	for _, msg := range msgs {
		uids = append(uids, msg.Uid)
	}
	archiveDir := acct.AccountConfig().Archive
	marker := store.Marker()
	marker.ClearVisualMark()
	next := findNextNonDeleted(uids, store)

	var uidMap map[string][]uint32
	switch archiveType {
	case ARCHIVE_MONTH:
		uidMap = groupBy(msgs, func(msg *models.MessageInfo) string {
			dir := strings.Join([]string{
				archiveDir,
				fmt.Sprintf("%d", msg.Envelope.Date.Year()),
				fmt.Sprintf("%02d", msg.Envelope.Date.Month()),
			}, aerc.SelectedAccount().Worker().PathSeparator(),
			)
			return dir
		})
	case ARCHIVE_YEAR:
		uidMap = groupBy(msgs, func(msg *models.MessageInfo) string {
			dir := strings.Join([]string{
				archiveDir,
				fmt.Sprintf("%v", msg.Envelope.Date.Year()),
			}, aerc.SelectedAccount().Worker().PathSeparator(),
			)
			return dir
		})
	case ARCHIVE_FLAT:
		uidMap = make(map[string][]uint32)
		uidMap[archiveDir] = commands.UidsFromMessageInfos(msgs)
	}

	var wg sync.WaitGroup
	wg.Add(len(uidMap))
	success := true

	for dir, uids := range uidMap {
		store.Move(uids, dir, true, func(
			msg types.WorkerMessage,
		) {
			switch msg := msg.(type) {
			case *types.Done:
				wg.Done()
			case *types.Error:
				aerc.PushError(msg.Error.Error())
				success = false
				wg.Done()
				marker.Remark()
			}
		})
	}
	// we need to do that in the background, else we block the main thread
	go func() {
		defer log.PanicHandler()

		wg.Wait()
		if success {
			handleDone(aerc, acct, next, "Messages archived.", store)
		}
	}()
	return nil
}

func groupBy(msgs []*models.MessageInfo,
	grouper func(*models.MessageInfo) string,
) map[string][]uint32 {
	m := make(map[string][]uint32)
	for _, msg := range msgs {
		group := grouper(msg)
		m[group] = append(m[group], msg.Uid)
	}
	return m
}