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package commands
import (
"fmt"
"io"
"os"
"os/exec"
"path/filepath"
"sort"
"strings"
"time"
"github.com/lithammer/fuzzysearch/fuzzy"
"git.sr.ht/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/logging"
"git.sr.ht/~rjarry/aerc/models"
"git.sr.ht/~rjarry/aerc/widgets"
"git.sr.ht/~rjarry/aerc/worker/types"
"github.com/gdamore/tcell/v2"
"github.com/mitchellh/go-homedir"
)
// QuickTerm is an ephemeral terminal for running a single command and quitting.
func QuickTerm(aerc *widgets.Aerc, args []string, stdin io.Reader) (*widgets.Terminal, error) {
cmd := exec.Command(args[0], args[1:]...)
pipe, err := cmd.StdinPipe()
if err != nil {
return nil, err
}
term, err := widgets.NewTerminal(cmd)
if err != nil {
return nil, err
}
term.OnClose = func(err error) {
if err != nil {
aerc.PushError(err.Error())
// remove the tab on error, otherwise it gets stuck
aerc.RemoveTab(term)
} else {
aerc.PushStatus("Process complete, press any key to close.",
10*time.Second)
term.OnEvent = func(event tcell.Event) bool {
aerc.RemoveTab(term)
return true
}
}
}
term.OnStart = func() {
status := make(chan error, 1)
go func() {
defer logging.PanicHandler()
_, err := io.Copy(pipe, stdin)
defer pipe.Close()
status <- err
}()
err := <-status
if err != nil {
aerc.PushError(err.Error())
}
}
return term, nil
}
// CompletePath provides filesystem completions given a starting path.
func CompletePath(path string) []string {
if path == "" {
// default to cwd
cwd, err := os.Getwd()
if err != nil {
return nil
}
path = cwd
}
path, err := homedir.Expand(path)
if err != nil {
return nil
}
// strip trailing slashes, etc.
path = filepath.Clean(path)
if _, err := os.Stat(path); os.IsNotExist(err) {
// if the path doesn't exist, it is likely due to it being a partial path
// in this case, we want to return possible matches (ie /hom* should match
// /home)
matches, err := filepath.Glob(fmt.Sprintf("%s*", path))
if err != nil {
return nil
}
for i, m := range matches {
if isDir(m) {
matches[i] = m + "/"
}
}
sort.Strings(matches)
return matches
}
files := listDir(path, false)
for i, f := range files {
f = filepath.Join(path, f)
if isDir(f) {
f += "/"
}
files[i] = f
}
sort.Strings(files)
return files
}
func isDir(path string) bool {
info, err := os.Stat(path)
if err != nil {
return false
}
return info.IsDir()
}
// return all filenames in a directory, optionally including hidden files
func listDir(path string, hidden bool) []string {
f, err := os.Open(path)
if err != nil {
return []string{}
}
files, err := f.Readdirnames(-1) // read all dir names
if err != nil {
return []string{}
}
if hidden {
return files
}
var filtered []string
for _, g := range files {
if !strings.HasPrefix(g, ".") {
filtered = append(filtered, g)
}
}
return filtered
}
// MarkedOrSelected returns either all marked messages if any are marked or the
// selected message instead
func MarkedOrSelected(pm widgets.ProvidesMessages) ([]uint32, error) {
// marked has priority over the selected message
marked, err := pm.MarkedMessages()
if err != nil {
return nil, err
}
if len(marked) > 0 {
return marked, nil
}
msg, err := pm.SelectedMessage()
if err != nil {
return nil, err
}
return []uint32{msg.Uid}, nil
}
// UidsFromMessageInfos extracts a uid slice from a slice of MessageInfos
func UidsFromMessageInfos(msgs []*models.MessageInfo) []uint32 {
uids := make([]uint32, len(msgs))
i := 0
for _, msg := range msgs {
uids[i] = msg.Uid
i++
}
return uids
}
func MsgInfoFromUids(store *lib.MessageStore, uids []uint32, statusInfo func(string)) ([]*models.MessageInfo, error) {
infos := make([]*models.MessageInfo, len(uids))
needHeaders := make([]uint32, 0)
for i, uid := range uids {
var ok bool
infos[i], ok = store.Messages[uid]
if !ok {
return nil, fmt.Errorf("uid not found")
}
if infos[i] == nil {
needHeaders = append(needHeaders, uid)
}
}
if len(needHeaders) > 0 {
store.FetchHeaders(needHeaders, func(msg types.WorkerMessage) {
var info string
switch m := msg.(type) {
case *types.Done:
info = "All headers fetched. Please repeat command."
case *types.Error:
info = fmt.Sprintf("Encountered error while fetching headers: %v", m.Error)
}
if statusInfo != nil {
statusInfo(info)
}
})
return nil, fmt.Errorf("Fetching missing message headers. Please wait.")
}
return infos, nil
}
// FilterList takes a list of valid completions and filters it, either
// by case smart prefix, or by fuzzy matching, prepending "prefix" to each completion
func FilterList(valid []string, search, prefix string, isFuzzy bool) []string {
out := make([]string, 0)
if isFuzzy {
for _, v := range fuzzy.RankFindFold(search, valid) {
out = append(out, prefix+v.Target)
}
} else {
for _, v := range valid {
if hasCaseSmartPrefix(v, search) {
out = append(out, prefix+v)
}
}
}
return out
}
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