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package askcli
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"strings"
)
func (d *Dispatcher) handleInfo(ctx context.Context, args []string, stdout, stderr io.Writer) (int, error) {
tasks, code, err := d.infoTasks(ctx, args, stderr)
if err != nil {
writeInfoError(stderr, err)
return code, nil
}
if d.jsonOutput {
data, err := json.Marshal(tasks)
if err != nil {
fmt.Fprintf(stderr, "error: failed to marshal JSON: %v\n", err)
return 1, nil
}
stdout.Write(data)
io.WriteString(stdout, "\n")
} else {
allUUIDs := append([]string{tasks[0].UUID}, tasks[0].Depends...)
aliases, err := ensureTaskAliasesForUUIDs(allUUIDs)
if err != nil {
fmt.Fprintf(stderr, "error: failed to load task aliases: %v\n", err)
return 1, nil
}
io.WriteString(stdout, FormatTaskInfo(tasks[0], displayTaskAlias(tasks[0].UUID, aliases), aliases))
}
return 0, nil
}
func (d *Dispatcher) infoTasks(ctx context.Context, args []string, stderr io.Writer) ([]TaskExport, int, error) {
if len(args) >= 2 {
_, tasks, code, err := d.resolveTaskSelector(ctx, args[1], stderr)
return tasks, code, err
}
return d.startedInfoTasks(ctx, stderr)
}
func (d *Dispatcher) startedInfoTasks(ctx context.Context, stderr io.Writer) ([]TaskExport, int, error) {
tasks, code, err := d.exportTasks(ctx, []string{"started", "export"}, stderr)
if err != nil {
return nil, code, err
}
switch len(tasks) {
case 0:
return nil, 1, fmt.Errorf("no started task found")
case 1:
return tasks, 0, nil
default:
return nil, 1, fmt.Errorf("multiple started tasks found; pass an ID or UUID explicitly")
}
}
func (d *Dispatcher) exportTasks(ctx context.Context, args []string, stderr io.Writer) ([]TaskExport, int, error) {
var outBuf bytes.Buffer
code, err := d.runner.Run(ctx, args, nil, &outBuf, stderr)
if code != 0 {
return nil, code, err
}
tasks, err := ParseTaskExport(&outBuf)
if err != nil {
return nil, 1, err
}
if len(tasks) == 0 && len(args) > 0 && strings.HasPrefix(args[0], "uuid:") {
return nil, 1, fmt.Errorf("task not found")
}
return tasks, 0, nil
}
func writeInfoError(stderr io.Writer, err error) {
msg := err.Error()
if strings.HasPrefix(msg, "error:") {
io.WriteString(stderr, msg+"\n")
return
}
fmt.Fprintf(stderr, "error: %v\n", err)
}
func (d *Dispatcher) handleAdd(ctx context.Context, args []string, stdout, stderr io.Writer) (int, error) {
if len(args) < 2 {
io.WriteString(stderr, "error: ask add requires a description\n")
return 1, nil
}
modifiers, description, dependencySelectors, err := parseAddArgs(args[1:])
if err != nil {
writeInfoError(stderr, err)
return 1, nil
}
if strings.TrimSpace(description) == "" {
io.WriteString(stderr, "error: ask add requires a description\n")
return 1, nil
}
dependencyUUIDs, code, err := d.resolveAddDependencyUUIDs(ctx, dependencySelectors, stderr)
if err != nil {
writeInfoError(stderr, err)
return code, nil
}
var outBuf bytes.Buffer
// rc.verbose=nothing keeps Taskwarrior quiet by default. rc.verbose=new-uuid
// then re-enables the UUID-only confirmation we parse below.
taskArgs := []string{"add", "rc.verbose=nothing", "rc.verbose=new-uuid"}
taskArgs = append(taskArgs, modifiers...)
if len(dependencyUUIDs) > 0 {
taskArgs = append(taskArgs, "depends:"+strings.Join(dependencyUUIDs, ","))
}
taskArgs = append(taskArgs, description)
code, err = d.runner.Run(ctx, taskArgs, nil, &outBuf, stderr)
if code != 0 {
return code, err
}
uuid := extractUUIDFromAddOutput(outBuf.String())
if uuid == "" {
io.WriteString(stderr, "error: could not parse UUID from task creation output\n")
return 1, nil
}
aliases, err := ensureTaskAliasesForUUIDs([]string{uuid})
if err != nil {
fmt.Fprintf(stderr, "error: failed to assign task alias: %v\n", err)
return 1, nil
}
io.WriteString(stdout, displayTaskAlias(uuid, aliases)+"\n")
return 0, nil
}
func (d *Dispatcher) resolveAddDependencyUUIDs(ctx context.Context, selectors []string, stderr io.Writer) ([]string, int, error) {
dependencies := make([]string, 0, len(selectors))
for _, selector := range selectors {
resolved, _, code, err := d.resolveTaskSelector(ctx, selector, stderr)
if err != nil {
return nil, code, err
}
dependencies = append(dependencies, resolved.UUID)
}
return dependencies, 0, nil
}
// extractUUIDFromAddOutput parses the UUID from taskwarrior's
// "Created task <uuid>." output (produced when rc.verbose=new-uuid is set).
func extractUUIDFromAddOutput(output string) string {
for _, line := range strings.Split(strings.TrimSpace(output), "\n") {
if strings.HasPrefix(line, "Created task ") {
parts := strings.Fields(line)
if len(parts) >= 3 {
return strings.TrimSuffix(parts[2], ".")
}
}
}
return ""
}
// parseAddArgs splits args into taskwarrior modifier tokens, the description,
// and optional dependency selectors introduced by depends:<id>[,<id>...]
// modifier tokens.
// Modifier tokens are args that start with "priority:", "+", or "-" AND contain
// no spaces (tags and priority flags cannot have spaces). The first arg that is
// not a modifier begins the description; all remaining args are joined with
// spaces. Dependency selectors must be provided before the description via one
// or more depends: selectors.
func parseAddArgs(args []string) (modifiers []string, description string, dependencySelectors []string, err error) {
for i, arg := range args {
if strings.HasPrefix(arg, "depends:") {
selectors, err := parseAddDependencySelectors(arg)
if err != nil {
return nil, "", nil, err
}
dependencySelectors = append(dependencySelectors, selectors...)
continue
}
if isAddModifier(arg) {
modifiers = append(modifiers, arg)
} else {
description = strings.Join(args[i:], " ")
return
}
}
// All args were modifiers; no description provided.
return
}
func parseAddDependencySelectors(arg string) ([]string, error) {
raw := strings.TrimSpace(strings.TrimPrefix(arg, "depends:"))
if raw == "" {
return nil, fmt.Errorf("ask add depends:<id|uuid>[,<id|uuid>...] requires at least one dependency ID or UUID")
}
parts := strings.Split(raw, ",")
selectors := make([]string, 0, len(parts))
for _, part := range parts {
selector := strings.TrimSpace(part)
if selector == "" {
return nil, fmt.Errorf("ask add dependency selector list contains an empty item")
}
selectors = append(selectors, selector)
}
return selectors, nil
}
func isAddModifier(arg string) bool {
return !strings.Contains(arg, " ") &&
(strings.HasPrefix(arg, "priority:") || strings.HasPrefix(arg, "+") || strings.HasPrefix(arg, "-"))
}
|
