// whatsappImport runs the offline import command. It holds the same token lock
// as the daemon and probe, even for a plan. The plan reads no credentials for a
// model and makes no network call. Only a completed rebuild replaces the agent
-// directory, and unfinished subagents prevent either mode.
+// directory. Unfinished subagents and pending target deliveries prevent either
+// mode.
func whatsappImport(ctx context.Context, args []string, out io.Writer) (err error) {
- planOnly := len(args) > 0 && args[0] == "-n"
- if planOnly {
- args = args[1:]
- }
-
- if len(args) == 0 {
- return errors.New("usage: onechat import [-n] ZIP [ZIP...]")
- }
-
- for _, arg := range args {
- if strings.HasPrefix(arg, "-") {
- return errors.New("usage: onechat import [-n] ZIP [ZIP...]")
- }
+ options, err := whatsappImportParse(args)
+ if err != nil {
+ return fmt.Errorf("parse import arguments: %w", err)
}
dir, err := dataDir()
}()
root := filepath.Join(dir, "agent")
- err = rebuildIdle(root)
+ agent, err := whatsappImportAgent(root, options.agent)
+ if err != nil {
+ return fmt.Errorf("select import agent: %w", err)
+ }
+
+ err = whatsappImportIdle(root, agent)
if err != nil {
return fmt.Errorf("check import work: %w", err)
}
- old, err := rebuildReadLog(ctx, root)
+ old, err := rebuildReadLog(ctx, agent.dir)
if err != nil {
return fmt.Errorf("read import log: %w", err)
}
+ var rootLog []DatedMessage
+
+ if agent.dir != root {
+ rootLog, err = rebuildReadLog(ctx, root)
+ if err != nil {
+ return fmt.Errorf("read root import history: %w", err)
+ }
+ }
+
names, owner, err := whatsappImportNames(ctx, dir)
if err != nil {
return fmt.Errorf("read import names: %w", err)
}
- plan, err := whatsappImportPlan(ctx, args, old, names, owner, time.Local)
+ plan, err := whatsappImportPlan(ctx, options.paths, old, rootLog, names, owner, time.Local)
if err != nil {
return fmt.Errorf("plan import: %w", err)
}
+ plan.agent = agent.config.Name
err = plan.Write(out)
if err != nil {
return fmt.Errorf("write import plan: %w", err)
}
- if planOnly || len(plan.added) == 0 {
+ if options.planOnly || len(plan.added) == 0 {
return nil
}
// An existing agent is required so that a failed import never creates
// or changes the original agent's configuration.
- _, err = os.Stat(filepath.Join(root, "config.json"))
+ _, err = os.Stat(filepath.Join(agent.dir, "config.json"))
if err != nil {
return fmt.Errorf("read agent config: %w", err)
}
- agent, err := openAgent(root)
- if err != nil {
- return fmt.Errorf("open import agent: %w", err)
- }
-
config, err := loadConfig(dir)
if err != nil {
return fmt.Errorf("load import configuration: %w", err)
}
client := newModelClient(address, auth, agent.CacheKey(), usagePath)
- backup, err := rebuild(ctx, agent, plan.added, client, newCompactor(client, agent.Prompt, config.Compactor), out)
+ backup, err := rebuild(ctx, agent, plan.added, client, newCompactor(client, agent.Prompt, config.Compactor, agent.Tools()), out)
if err != nil {
return fmt.Errorf("rebuild imported memory: %w", err)
}
// log. Its estimate uses the measured cost of 1.3 calls per message, not a
// promise about a particular export or compaction retry.
type WhatsAppImportPlan struct {
+ agent string
+ cutoffs map[string]time.Time
added []DatedMessage
chats []string
cutoff time.Time
owner = "unknown (sender names kept as written)"
}
- _, err := fmt.Fprintf(out, "chats: %d\n", len(p.chats))
+ _, err := fmt.Fprintf(out, "agent: %s\nchats: %d\n", p.agent, len(p.chats))
if err != nil {
return fmt.Errorf("write import plan: %w", err)
}
for _, chat := range p.chats {
- _, err = fmt.Fprintf(out, " %s\n", chat)
+ line := " " + chat
+ cutoff, found := p.cutoffs[chat]
+ if found {
+ line += " (cutoff: " + cutoff.Format(time.RFC3339) + ")"
+ }
+
+ _, err = fmt.Fprintln(out, line)
if err != nil {
return fmt.Errorf("write import plan: %w", err)
}
"owner: " + owner,
fmt.Sprintf("bytes: %d (new batch text)", p.bytes),
fmt.Sprintf("messages: %d (merged log)", p.messages),
- fmt.Sprintf("estimated calls: %.0f (about 1.3 per message, limit %d)", estimate, buildCallLimit),
+ fmt.Sprintf("estimated calls: %.0f (about 1.3 per message, limit %d)", estimate, rebuildCallLimit),
}
_, err = io.WriteString(out, strings.Join(lines, "\n")+"\n")
return nil
}
+// WhatsAppImportOptions selects the target, exports, and plan-only mode.
+type WhatsAppImportOptions struct {
+ planOnly bool
+ agent string
+ paths []string
+}
+
+// whatsappImportParse accepts GNU-style flags, including --agent=NAME and --
+// before paths that start with a dash.
+func whatsappImportParse(args []string) (WhatsAppImportOptions, error) {
+ var options WhatsAppImportOptions
+
+ flags := true
+ for i := 0; i < len(args); i++ {
+ arg := args[i]
+ switch {
+ case flags && arg == "--":
+ flags = false
+ case flags && arg == "-n":
+ options.planOnly = true
+ case flags && (arg == "--agent" || strings.HasPrefix(arg, "--agent=")):
+ _, name, found := strings.Cut(arg, "=")
+ if !found {
+ i++
+ if i == len(args) {
+ return options, errors.New("--agent needs a child name")
+ }
+
+ name = args[i]
+ }
+
+ if name == "" {
+ return options, errors.New("--agent needs a child name")
+ }
+
+ options.agent = name
+ case flags && strings.HasPrefix(arg, "-"):
+ return options, fmt.Errorf("unknown import flag %q", arg)
+ default:
+ options.paths = append(options.paths, arg)
+ }
+ }
+
+ if len(options.paths) == 0 {
+ return options, errors.New("usage: onechat import [-n] [--agent NAME] ZIP [ZIP...]")
+ }
+
+ return options, nil
+}
+
+// whatsappImportAgent selects the root or an existing direct child without
+// creating a directory or config. A root without a config can have a plan,
+// using the default name.
+func whatsappImportAgent(root, name string) (*Agent, error) {
+ _, err := os.Stat(filepath.Join(root, "config.json"))
+ if errors.Is(err, os.ErrNotExist) && name == "" {
+ var config AgentConfig
+
+ config, err = defaultAgentConfig()
+ if err != nil {
+ return nil, fmt.Errorf("read default import agent: %w", err)
+ }
+
+ return &Agent{
+ dir: root,
+ config: config,
+ }, nil
+ }
+
+ if err != nil {
+ return nil, fmt.Errorf("read root agent config: %w", err)
+ }
+
+ agent, err := openAgent(root)
+ if err != nil {
+ return nil, fmt.Errorf("open root agent: %w", err)
+ }
+
+ if name == "" {
+ return agent, nil
+ }
+
+ if agent.config.Parent != "" {
+ return nil, errors.New("import root cannot have a parent")
+ }
+
+ children, err := agent.Children()
+ if err != nil {
+ return nil, fmt.Errorf("read import children: %w", err)
+ }
+
+ for _, child := range children {
+ if child.config.Name == name {
+ return child, nil
+ }
+ }
+
+ return nil, fmt.Errorf("child %q does not exist", name)
+}
+
+// whatsappImportIdle refuses unfinished subagents and pending deliveries to the
+// target. Rebuilding renumbers its log, so saved delivery IDs must not refer to
+// it until their turns finish. The caller holds the token lock.
+func whatsappImportIdle(root string, agent *Agent) error {
+ err := rebuildIdle(agent.dir)
+ if err != nil {
+ return fmt.Errorf("check target work: %w", err)
+ }
+
+ data, err := os.ReadFile(filepath.Join(root, "messages.json"))
+ if errors.Is(err, os.ErrNotExist) {
+ return nil
+ }
+
+ if err != nil {
+ return fmt.Errorf("read agent deliveries: %w", err)
+ }
+
+ var queue DaemonMessageFile
+
+ err = json.Unmarshal(data, &queue)
+ if err != nil {
+ return fmt.Errorf("decode agent deliveries: %w", err)
+ }
+
+ for _, message := range queue.Pending {
+ if message.Target == agent.config.Name {
+ return fmt.Errorf("import refused: agent %q has pending deliveries", agent.config.Name)
+ }
+ }
+
+ return nil
+}
+
// whatsappImportNames reads only local session data. Group names that the
// library keeps only in memory can also come from logged or pending batches.
// Ambiguous names have no ID. A missing session keeps sender names unchanged.
}
var state WhatsAppStateFile
+
err = json.Unmarshal(data, &state)
if err != nil {
return nil, "", fmt.Errorf("decode pending import names: %w", err)
names[chat.Name] = chat
}
-// whatsappImportPlan filters exports at the first message of the earliest live
-// batch and skips chat-days already imported. Each remaining chat-day becomes a
-// work message dated at its last exported message. Overlapping chat-days in the
-// inputs are refused, not silently combined or duplicated.
-func whatsappImportPlan(ctx context.Context, paths []string, old []DatedMessage, names map[string]WhatsAppChat, owner string, location *time.Location) (WhatsAppImportPlan, error) {
- plan := WhatsAppImportPlan{ownerKnown: owner != ""}
+// whatsappImportPlan filters each chat at its earliest live message across the
+// target and root logs. Only imported days in the target are skipped. Each
+// remaining chat-day becomes a work message dated at its last exported message.
+// Overlapping input chat-days are refused.
+func whatsappImportPlan(ctx context.Context, paths []string, old, rootLog []DatedMessage, names map[string]WhatsAppChat, owner string, location *time.Location) (WhatsAppImportPlan, error) {
+ plan := WhatsAppImportPlan{
+ ownerKnown: owner != "",
+ cutoffs: make(map[string]time.Time),
+ }
+
names = maps.Clone(names)
if names == nil {
names = make(map[string]WhatsAppChat)
}
- imported := make(map[string]bool)
- for _, entry := range old {
- if entry.Kind != "work" || !strings.HasPrefix(entry.Text, "[WhatsApp] ") {
- continue
- }
-
- first, _, _ := strings.Cut(entry.Text, "\n")
- marked := strings.HasSuffix(first, whatsappImportMark)
- first = strings.TrimSuffix(first, whatsappImportMark)
- match := whatsappImportHeader.FindStringSubmatch(first)
- name, day := "", ""
- if len(match) > 0 {
- name, day = match[1], match[3]
- whatsappImportName(names, WhatsAppChat{
- ID: match[2],
- Name: name,
- Group: strings.Contains(first, ", group "+match[2]+","),
- })
- } else if marked {
- match = whatsappImportUnknown.FindStringSubmatch(first)
- if len(match) > 0 {
- name, day = match[1], match[2]
- }
- }
-
- if name == "" {
- return plan, errors.New("read WhatsApp history: invalid batch header")
- }
-
- if marked {
- imported[name+"\n"+day] = true
- continue
- }
-
- _, body, found := strings.Cut(entry.Text, "\n")
- if !found || len(body) < len("15:04 ") {
- return plan, errors.New("read WhatsApp history: missing first message time")
- }
-
- date, err := time.ParseInLocation("2006-01-02 15:04", day+" "+body[:5], location)
- if err != nil {
- return plan, fmt.Errorf("parse first live message time: %w", err)
- }
-
- if plan.cutoff.IsZero() || date.Before(plan.cutoff) {
- plan.cutoff = date
- }
+ imported, err := whatsappImportHistory(old, rootLog, names, plan.cutoffs, location)
+ if err != nil {
+ return plan, fmt.Errorf("read import history: %w", err)
}
seen := make(map[string]bool)
plan.chats = append(plan.chats, chat.Name)
}
+ cutoff := plan.cutoffs[chat.Name]
+ if !cutoff.IsZero() && (plan.cutoff.IsZero() || cutoff.Before(plan.cutoff)) {
+ plan.cutoff = cutoff
+ }
+
days := make(map[string][]WhatsAppMessage)
for _, message := range messages {
- if !plan.cutoff.IsZero() && !message.Time.Before(plan.cutoff) {
+ if !cutoff.IsZero() && !message.Time.Before(cutoff) {
continue
}
}
}
- var err error
plan.added, err = rebuildMerge(nil, plan.added)
if err != nil {
return plan, fmt.Errorf("order import batches: %w", err)
return plan, nil
}
+// whatsappImportHistory reads batch names and live cutoffs from both logs.
+// Imported chat-days belong only to the target log, which is first.
+func whatsappImportHistory(target, root []DatedMessage, names map[string]WhatsAppChat, cutoffs map[string]time.Time, location *time.Location) (map[string]bool, error) {
+ imported := make(map[string]bool)
+ for source, entries := range [][]DatedMessage{target, root} {
+ for _, entry := range entries {
+ if entry.Kind != "work" || !strings.HasPrefix(entry.Text, "[WhatsApp] ") {
+ continue
+ }
+
+ first, _, _ := strings.Cut(entry.Text, "\n")
+ marked := strings.HasSuffix(first, whatsappImportMark)
+ first = strings.TrimSuffix(first, whatsappImportMark)
+ match := whatsappImportHeader.FindStringSubmatch(first)
+ name, day := "", ""
+ if len(match) > 0 {
+ name, day = match[1], match[3]
+ whatsappImportName(names, WhatsAppChat{
+ ID: match[2],
+ Name: name,
+ Group: strings.Contains(first, ", group "+match[2]+","),
+ })
+ } else if marked {
+ match = whatsappImportUnknown.FindStringSubmatch(first)
+ if len(match) > 0 {
+ name, day = match[1], match[2]
+ }
+ }
+
+ if name == "" {
+ return nil, errors.New("invalid WhatsApp batch header")
+ }
+
+ if marked {
+ if source == 0 {
+ imported[name+"\n"+day] = true
+ }
+
+ continue
+ }
+
+ _, body, found := strings.Cut(entry.Text, "\n")
+ if !found || len(body) < len("15:04 ") {
+ return nil, errors.New("missing first WhatsApp message time")
+ }
+
+ date, err := time.ParseInLocation("2006-01-02 15:04", day+" "+body[:5], location)
+ if err != nil {
+ return nil, fmt.Errorf("parse first live message time: %w", err)
+ }
+
+ if cutoffs[name].IsZero() || date.Before(cutoffs[name]) {
+ cutoffs[name] = date
+ }
+ }
+ }
+
+ return imported, nil
+}
+
// whatsappImportRead reads the single _chat.txt in an export without extracting
// archive paths. Non-start lines continue the preceding message, and all
// invisible left-to-right marks are removed. Dates use location. Media and
}()
var file *zip.File
+
for _, entry := range archive.File {
if filepath.Base(entry.Name) == "_chat.txt" && !entry.FileInfo().IsDir() {
if file != nil {
scanner := bufio.NewScanner(io.LimitReader(reader, whatsappImportBytes+1))
scanner.Buffer(make([]byte, 64*1024), buildLineBytes)
+
for scanner.Scan() {
line := strings.ReplaceAll(scanner.Text(), "\u200e", "")
match := whatsappImportStart.FindStringSubmatch(line)