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
|
package imap
import (
"sort"
sortthread "github.com/emersion/go-imap-sortthread"
"git.sr.ht/~rjarry/aerc/logging"
"git.sr.ht/~rjarry/aerc/worker/types"
)
func (imapw *IMAPWorker) handleOpenDirectory(msg *types.OpenDirectory) {
logging.Infof("Opening %s", msg.Directory)
sel, err := imapw.client.Select(msg.Directory, false)
if err != nil {
imapw.worker.PostMessage(&types.Error{
Message: types.RespondTo(msg),
Error: err,
}, nil)
} else {
imapw.selected = sel
imapw.worker.PostMessage(&types.Done{Message: types.RespondTo(msg)}, nil)
}
}
func (imapw *IMAPWorker) handleFetchDirectoryContents(
msg *types.FetchDirectoryContents,
) {
logging.Infof("Fetching UID list")
searchCriteria, err := parseSearch(msg.FilterCriteria)
if err != nil {
imapw.worker.PostMessage(&types.Error{
Message: types.RespondTo(msg),
Error: err,
}, nil)
return
}
sortCriteria := translateSortCriterions(msg.SortCriteria)
var uids []uint32
// If the server supports the SORT extension, do the sorting server side
ok, err := imapw.client.sort.SupportSort()
if err == nil && ok && len(sortCriteria) > 0 {
uids, err = imapw.client.sort.UidSort(sortCriteria, searchCriteria)
// copy in reverse as msgList displays backwards
for i, j := 0, len(uids)-1; i < j; i, j = i+1, j-1 {
uids[i], uids[j] = uids[j], uids[i]
}
} else {
if err != nil {
// Non fatal, but we do want to print to get some debug info
logging.Errorf("can't check for SORT support: %v", err)
} else if len(sortCriteria) > 0 {
logging.Warnf("SORT is not supported but requested: list messages by UID")
}
uids, err = imapw.client.UidSearch(searchCriteria)
}
if err != nil {
imapw.worker.PostMessage(&types.Error{
Message: types.RespondTo(msg),
Error: err,
}, nil)
} else {
logging.Infof("Found %d UIDs", len(uids))
if len(msg.FilterCriteria) == 1 {
// Only initialize if we are not filtering
imapw.seqMap.Initialize(uids)
}
imapw.worker.PostMessage(&types.DirectoryContents{
Message: types.RespondTo(msg),
Uids: uids,
}, nil)
imapw.worker.PostMessage(&types.Done{Message: types.RespondTo(msg)}, nil)
}
}
type sortFieldMapT map[types.SortField]sortthread.SortField
// caution, incomplete mapping
var sortFieldMap sortFieldMapT = sortFieldMapT{
types.SortArrival: sortthread.SortArrival,
types.SortCc: sortthread.SortCc,
types.SortDate: sortthread.SortDate,
types.SortFrom: sortthread.SortFrom,
types.SortSize: sortthread.SortSize,
types.SortSubject: sortthread.SortSubject,
types.SortTo: sortthread.SortTo,
}
func translateSortCriterions(
cs []*types.SortCriterion,
) []sortthread.SortCriterion {
result := make([]sortthread.SortCriterion, 0, len(cs))
for _, c := range cs {
if f, ok := sortFieldMap[c.Field]; ok {
result = append(result, sortthread.SortCriterion{Field: f, Reverse: c.Reverse})
}
}
return result
}
func (imapw *IMAPWorker) handleDirectoryThreaded(
msg *types.FetchDirectoryThreaded,
) {
logging.Infof("Fetching threaded UID list")
searchCriteria, err := parseSearch(msg.FilterCriteria)
if err != nil {
imapw.worker.PostMessage(&types.Error{
Message: types.RespondTo(msg),
Error: err,
}, nil)
return
}
threads, err := imapw.client.thread.UidThread(imapw.threadAlgorithm,
searchCriteria)
if err != nil {
imapw.worker.PostMessage(&types.Error{
Message: types.RespondTo(msg),
Error: err,
}, nil)
} else {
aercThreads, count := convertThreads(threads, nil)
sort.Sort(types.ByUID(aercThreads))
logging.Infof("Found %d threaded messages", count)
if len(msg.FilterCriteria) == 1 {
// Only initialize if we are not filtering
var uids []uint32
for i := len(aercThreads) - 1; i >= 0; i-- {
aercThreads[i].Walk(func(t *types.Thread, level int, currentErr error) error { //nolint:errcheck // error indicates skipped threads
uids = append(uids, t.Uid)
return nil
})
}
imapw.seqMap.Initialize(uids)
}
imapw.worker.PostMessage(&types.DirectoryThreaded{
Message: types.RespondTo(msg),
Threads: aercThreads,
}, nil)
imapw.worker.PostMessage(&types.Done{Message: types.RespondTo(msg)}, nil)
}
}
func convertThreads(threads []*sortthread.Thread, parent *types.Thread) ([]*types.Thread, int) {
if threads == nil {
return nil, 0
}
conv := make([]*types.Thread, len(threads))
count := 0
for i := 0; i < len(threads); i++ {
t := threads[i]
conv[i] = &types.Thread{
Uid: t.Id,
}
// Set the first child node
children, childCount := convertThreads(t.Children, conv[i])
if len(children) > 0 {
conv[i].FirstChild = children[0]
}
// Set the parent node
if parent != nil {
conv[i].Parent = parent
// elements of threads are siblings
if i > 0 {
conv[i].PrevSibling = conv[i-1]
conv[i-1].NextSibling = conv[i]
}
}
count += childCount + 1
}
return conv, count
}
|
