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|
package label
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"math/rand"
"net/http"
"strings"
"time"
"github.com/MakeNowJust/heredoc"
"github.com/cli/cli/v2/api"
"github.com/cli/cli/v2/internal/ghrepo"
"github.com/cli/cli/v2/pkg/cmdutil"
"github.com/cli/cli/v2/pkg/iostreams"
"github.com/spf13/cobra"
)
var randomColors = []string{
"B60205",
"D93F0B",
"FBCA04",
"0E8A16",
"006B75",
"1D76DB",
"0052CC",
"5319E7",
"E99695",
"F9D0C4",
"FEF2C0",
"C2E0C6",
"BFDADC",
"C5DEF5",
"BFD4F2",
"D4C5F9",
}
type createOptions struct {
BaseRepo func() (ghrepo.Interface, error)
HttpClient func() (*http.Client, error)
IO *iostreams.IOStreams
Color string
Description string
Name string
Force bool
}
func newCmdCreate(f *cmdutil.Factory, runF func(*createOptions) error) *cobra.Command {
opts := createOptions{
HttpClient: f.HttpClient,
IO: f.IOStreams,
}
cmd := &cobra.Command{
Use: "create <name>",
Short: "Create a new label",
Long: heredoc.Docf(`
Create a new label on GitHub, or update an existing one with %[1]s--force%[1]s.
Must specify name for the label. The description and color are optional.
If a color isn't provided, a random one will be chosen.
The label color needs to be 6 character hex value.
`, "`"),
Example: heredoc.Doc(`
# create new bug label
$ gh label create bug --description "Something isn't working" --color E99695
`),
Args: cmdutil.ExactArgs(1, "cannot create label: name argument required"),
RunE: func(c *cobra.Command, args []string) error {
opts.BaseRepo = f.BaseRepo
opts.Name = args[0]
opts.Color = strings.TrimPrefix(opts.Color, "#")
if runF != nil {
return runF(&opts)
}
return createRun(&opts)
},
}
cmd.Flags().StringVarP(&opts.Description, "description", "d", "", "Description of the label")
cmd.Flags().StringVarP(&opts.Color, "color", "c", "", "Color of the label")
cmd.Flags().BoolVarP(&opts.Force, "force", "f", false, "Update the label color and description if label already exists")
return cmd
}
var errLabelAlreadyExists = errors.New("label already exists")
func createRun(opts *createOptions) error {
httpClient, err := opts.HttpClient()
if err != nil {
return err
}
baseRepo, err := opts.BaseRepo()
if err != nil {
return err
}
if opts.Color == "" {
r := rand.New(rand.NewSource(time.Now().UnixNano()))
opts.Color = randomColors[r.Intn(len(randomColors)-1)]
}
opts.IO.StartProgressIndicator()
err = createLabel(httpClient, baseRepo, opts)
opts.IO.StopProgressIndicator()
if err != nil {
if errors.Is(err, errLabelAlreadyExists) {
return fmt.Errorf("label with name %q already exists; use `--force` to update its color and description", opts.Name)
}
return err
}
if opts.IO.IsStdoutTTY() {
cs := opts.IO.ColorScheme()
successMsg := fmt.Sprintf("%s Label %q created in %s\n", cs.SuccessIcon(), opts.Name, ghrepo.FullName(baseRepo))
fmt.Fprint(opts.IO.Out, successMsg)
}
return nil
}
func createLabel(client *http.Client, repo ghrepo.Interface, opts *createOptions) error {
apiClient := api.NewClientFromHTTP(client)
path := fmt.Sprintf("repos/%s/%s/labels", repo.RepoOwner(), repo.RepoName())
requestByte, err := json.Marshal(map[string]string{
"name": opts.Name,
"description": opts.Description,
"color": opts.Color,
})
if err != nil {
return err
}
requestBody := bytes.NewReader(requestByte)
err = apiClient.REST(repo.RepoHost(), "POST", path, requestBody, nil)
if httpError, ok := err.(api.HTTPError); ok && isLabelAlreadyExistsError(httpError) {
err = errLabelAlreadyExists
}
if opts.Force && errors.Is(err, errLabelAlreadyExists) {
editOpts := editOptions{
Description: opts.Description,
Color: opts.Color,
Name: opts.Name,
}
return updateLabel(apiClient, repo, &editOpts)
}
return err
}
func updateLabel(apiClient *api.Client, repo ghrepo.Interface, opts *editOptions) error {
path := fmt.Sprintf("repos/%s/%s/labels/%s", repo.RepoOwner(), repo.RepoName(), opts.Name)
properties := map[string]string{}
if opts.Description != "" {
properties["description"] = opts.Description
}
if opts.Color != "" {
properties["color"] = opts.Color
}
if opts.NewName != "" {
properties["new_name"] = opts.NewName
}
requestByte, err := json.Marshal(properties)
if err != nil {
return err
}
requestBody := bytes.NewReader(requestByte)
err = apiClient.REST(repo.RepoHost(), "PATCH", path, requestBody, nil)
if httpError, ok := err.(api.HTTPError); ok && isLabelAlreadyExistsError(httpError) {
err = errLabelAlreadyExists
}
return err
}
func isLabelAlreadyExistsError(err api.HTTPError) bool {
return err.StatusCode == 422 && len(err.Errors) == 1 && err.Errors[0].Field == "name" && err.Errors[0].Code == "already_exists"
}
|
