plaintext_fns.go

package output

import (
	"fmt"
	"sort"
	"strings"
)

// ConfigPlaintextOutputFn converts the resource to plain text specifically for data from the
// config file.
var ConfigPlaintextOutputFn = func(r resource) string {
	keys := make([]string, 0)
	for k := range r {
		keys = append(keys, k)
	}
	sort.Strings(keys)

	lst := make([]string, 0)
	for _, k := range keys {
		lst = append(lst, fmt.Sprintf("%s: %v", k, r[k]))
	}

	return strings.Join(lst, "\n")
}

// ErrorPlaintextOutputFn converts the resource to plain text specifically for data from the
// error file.
// An error response could have a code and message or just a message. It's also possible that
// there isn't either property.
var ErrorPlaintextOutputFn = func(r resource) string {
	var parts []string

	switch {
	case r["code"] == nil && (r["message"] == "" || r["message"] == nil):
		parts = append(parts, "unknown error occurred")
	case r["code"] == nil:
		parts = append(parts, fmt.Sprint(r["message"]))
	case r["message"] == "":
		parts = append(parts, fmt.Sprintf("an error occurred (code: %v)", r["code"]))
	default:
		parts = append(parts, fmt.Sprintf("%v (code: %v)", r["message"], r["code"]))
	}

	if suggestion, ok := r["suggestion"]; ok && suggestion != nil && suggestion != "" {
		parts = append(parts, fmt.Sprintf("\nSuggestion: %s", suggestion))
	}

	return strings.Join(parts, "")
}

// MultiplePlaintextOutputFn converts the resource to plain text.
var MultiplePlaintextOutputFn = func(r resource) string {
	return fmt.Sprintf("* %s", SingularPlaintextOutputFn(r))
}

// SingularPlaintextOutputFn converts the resource to plain text based on its name and key.
var SingularPlaintextOutputFn = func(r resource) string {
	email := r["email"]
	id := r["_id"]
	key := r["key"]
	name := r["name"]

	switch {
	case name != nil && key != nil:
		return fmt.Sprintf("%s (%s)", fmt.Sprint(name), fmt.Sprint(key))
	case email != nil && id != nil:
		return fmt.Sprintf("%s (%s)", fmt.Sprint(email), fmt.Sprint(id))
	case name != nil && id != nil:
		return fmt.Sprintf("%s (%s)", fmt.Sprint(name), fmt.Sprint(id))
	case key != nil:
		return fmt.Sprint(key)
	case email != nil:
		return fmt.Sprint(email)
	case id != nil:
		return fmt.Sprint(id)
	case name != nil:
		return fmt.Sprint(name)
	default:
		return "cannot read resource"
	}
}