package main
import (
- "cmp"
"context"
"crypto/sha256"
"encoding/hex"
"strings"
"sync"
"time"
- "unicode"
"go.mau.fi/whatsmeow"
"go.mau.fi/whatsmeow/proto/waE2E"
"go.mau.fi/whatsmeow/types"
"go.mau.fi/whatsmeow/types/events"
waLog "go.mau.fi/whatsmeow/util/log"
- "golang.org/x/text/runes"
- "golang.org/x/text/transform"
- "golang.org/x/text/unicode/norm"
// The session store of the library opens SQLite with this pure Go
// driver.
// session database or of the groups from WhatsApp.
whatsappLookupTime = 10 * time.Second
- // whatsappFindMatches is the most matches of whatsapp_find.
- whatsappFindMatches = 20
-
// whatsappNotLinked is the answer of a WhatsApp tool without a link.
whatsappNotLinked = "WhatsApp is not linked. Tell the user to run /whatsapp pair PHONE in the terminal or in Telegram."
whatsappSending = "sending"
whatsappSent = "sent"
whatsappFailed = "failed"
-
- // whatsappNamesNotReady is the answer of whatsapp_find before the names
- // arrive from the phone.
- whatsappNamesNotReady = "The names of the contacts and groups have not arrived from the phone yet. They come some minutes after the link. Try again later."
)
// WhatsAppClient is the part of the WhatsApp client that the daemon uses. The
return err
}
+// Find returns the answer of whatsapp_find for name, as whatsappFind says.
+func (w *WhatsApp) Find(ctx context.Context, name string) (string, error) {
+ return whatsappFind(ctx, w.link(), w.groups, name)
+}
+
func (w *WhatsApp) sessionPath() string {
return filepath.Join(w.dir, whatsappSessionFileName)
}
return nil
}
-// Find returns the contacts and the groups whose name contains name, with no
-// regard to case and accents, as lines "ID | name | contact" or "ID | name |
-// group", sorted by name. It gives at most whatsappFindMatches lines and the
-// number of the others. The contacts come from the session database, and the
-// groups from WhatsApp, read again after whatsappGroupsAge. When the groups
-// cannot be read and none are known, the answer says so. Before the names
-// arrive from the phone, it says that they are not ready.
-func (w *WhatsApp) Find(ctx context.Context, name string) (string, error) {
- w.mutex.Lock()
- linked := w.linked
- device := w.device
- own := slices.Clone(w.own)
- w.mutex.Unlock()
-
- stale := w.groups.stale()
-
- if !linked {
- return whatsappNotLinked, nil
- }
-
- query := whatsappFold(name)
- if query == "" {
- return "", errors.New("name is empty: give a part of the name of the contact or the group")
- }
-
- contacts, err := device.Contacts.GetAllContacts(ctx)
- if err != nil {
- return "", fmt.Errorf("read the contacts: %s", w.redact(err.Error()))
- }
-
- read := !stale || w.groups.read(ctx, w.link())
- groups := w.groups.all()
-
- if len(contacts) == 0 && len(groups) == 0 {
- if !read {
- return "The names are not known yet, and WhatsApp is disconnected, so the groups cannot be read. Try again later.", nil
- }
-
- return whatsappNamesNotReady, nil
- }
-
- var matches []WhatsAppMatch
- for jid, contact := range contacts {
- names := []string{contact.FullName, contact.FirstName, contact.BusinessName, contact.PushName}
- shown := slices.IndexFunc(names, func(name string) bool {
- return name != ""
- })
-
- if slices.Contains(own, jid.User) || shown < 0 || !slices.ContainsFunc(names, func(name string) bool {
- return strings.Contains(whatsappFold(name), query)
- }) {
- continue
- }
-
- matches = append(matches, WhatsAppMatch{
- id: jid.ToNonAD().String(),
- name: names[shown],
- kind: "contact",
- })
- }
-
- for id, group := range groups {
- if strings.Contains(whatsappFold(group), query) {
- matches = append(matches, WhatsAppMatch{
- id: id,
- name: group,
- kind: "group",
- })
- }
- }
-
- return whatsappFindAnswer(name, matches, read || len(groups) > 0), nil
-}
-
// removeSession ends the connection, closes the session database, and deletes
// its files.
func (w *WhatsApp) removeSession() error {
return record.Answer, nil
}
-// WhatsAppMatch is one contact or group of Find.
-type WhatsAppMatch struct {
- id string
- name string
- kind string
-}
-
// WhatsAppLink is a copy of the link of the device at one time, for the parts
// of WhatsApp that do not own it: the groups, the batches, find, and send.
type WhatsAppLink struct {
}
}
-// whatsappFold returns text in lower case with no accents and no space at its
-// ends, so that names match with no regard to case and accents.
-func whatsappFold(text string) string {
- folded, _, err := transform.String(transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC), text)
- if err != nil {
- folded = text
- }
-
- return strings.ToLower(strings.TrimSpace(folded))
-}
-
-// whatsappFindAnswer returns the answer of Find for name with matches. Without
-// groups, the answer says that it has no groups.
-func whatsappFindAnswer(name string, matches []WhatsAppMatch, groups bool) string {
- slices.SortFunc(matches, func(a, b WhatsAppMatch) int {
- return cmp.Or(strings.Compare(whatsappFold(a.name), whatsappFold(b.name)), strings.Compare(a.id, b.id))
- })
-
- var lines []string
- for _, match := range matches[:min(len(matches), whatsappFindMatches)] {
- lines = append(lines, match.id+" | "+match.name+" | "+match.kind)
- }
-
- if len(matches) == 0 {
- lines = append(lines, "No contact or group has a name with \""+name+"\".")
- }
-
- if len(matches) > whatsappFindMatches {
- lines = append(lines, fmt.Sprintf("%d more: give a longer part of the name.", len(matches)-whatsappFindMatches))
- }
-
- if !groups {
- lines = append(lines, "The groups are not in this answer, because WhatsApp is disconnected.")
- }
-
- return strings.Join(lines, "\n")
-}
-
// whatsappSendCheck returns the JID of chat, and an error when id, chat, or
// text cannot go to a send. The chat is a private chat or a group, and not the
// chat of the user with itself.
projects / onechat / blobdiff