Files
larksuite-cli/cmd/service/affordance.go

81 lines
2.3 KiB
Go

// Copyright (c) 2026 Lark Technologies Pte. Ltd.
// SPDX-License-Identifier: MIT
package service
import (
"fmt"
"strings"
"github.com/larksuite/cli/internal/meta"
)
// methodLong composes a method command's long help in one place: the
// description, the affordance guidance block (when the method has one), the
// pointer to the full schema, and the params-only addendum (params whose flag
// name is taken — paramFlagBinder.paramsOnlyHelp, "" when none). Affordance
// sits near the top so an agent sees when-to-use and few-shot examples before
// the flag list.
func methodLong(description, affordance, schemaPath, paramsOnly string) string {
var b strings.Builder
b.WriteString(description)
if affordance != "" {
b.WriteString("\n\n")
b.WriteString(affordance)
}
fmt.Fprintf(&b, "\n\nView parameter definitions before calling:\n lark-cli schema %s", schemaPath)
b.WriteString(paramsOnly)
return b.String()
}
// renderAffordance renders a method's affordance as a help block — when to use,
// prerequisites, and (most importantly for agents) few-shot Examples — or "" when
// the method carries no affordance. It reads the single typed model
// (meta.Method.ParsedAffordance) so the help and the envelope agree on shape.
func renderAffordance(m meta.Method) string {
a, ok := m.ParsedAffordance()
if !ok {
return ""
}
var b strings.Builder
bullets := func(title string, items []string) {
var nonEmpty []string
for _, it := range items {
if strings.TrimSpace(it) != "" {
nonEmpty = append(nonEmpty, it)
}
}
if len(nonEmpty) == 0 {
return
}
fmt.Fprintf(&b, "%s:\n", title)
for _, it := range nonEmpty {
fmt.Fprintf(&b, " • %s\n", it)
}
}
bullets("When to use", a.UseWhen)
bullets("Avoid when", a.DoNotUseWhen)
bullets("Prerequisites", a.Prerequisites)
if len(a.Examples) > 0 {
var lines []string
for _, ex := range a.Examples {
if ex.Command == "" {
continue
}
if ex.Description != "" {
lines = append(lines, fmt.Sprintf(" • %s\n %s", ex.Description, ex.Command))
} else {
lines = append(lines, fmt.Sprintf(" • %s", ex.Command))
}
}
if len(lines) > 0 {
fmt.Fprintf(&b, "Examples:\n%s\n", strings.Join(lines, "\n"))
}
}
bullets("Related", a.Related)
return strings.TrimRight(b.String(), "\n")
}