func NewCmdView()

in commands/issuable/view/issuable_view.go [43:137]
83 lines of code
16 McCabe index (conditional complexity)

func NewCmdView(f *cmdutils.Factory, issueType issuable.IssueType) *cobra.Command {
	examplePath := "issues/123"

	if issueType == issuable.TypeIncident {
		examplePath = "issues/incident/123"
	}

	opts := &ViewOpts{
		IO: f.IO,
	}
	issueViewCmd := &cobra.Command{
		Use:     "view <id>",
		Short:   fmt.Sprintf(`Display the title, body, and other information about an %s.`, issueType),
		Long:    ``,
		Aliases: []string{"show"},
		Example: heredoc.Doc(fmt.Sprintf(`
			- glab %[1]s view 123
			- glab %[1]s show 123
			- glab %[1]s view --web 123
			- glab %[1]s view --comments 123
			- glab %[1]s view https://gitlab.com/NAMESPACE/REPO/-/%s
		`, issueType, examplePath)),
		Args: cobra.ExactArgs(1),
		RunE: func(cmd *cobra.Command, args []string) error {
			apiClient, err := f.HttpClient()
			if err != nil {
				return err
			}
			cfg, _ := f.Config()

			issue, baseRepo, err := issueutils.IssueFromArg(apiClient, f.BaseRepo, args[0])
			if err != nil {
				return err
			}

			opts.Issue = issue

			valid, msg := issuable.ValidateIncidentCmd(issueType, "view", opts.Issue)
			if !valid {
				fmt.Fprintln(opts.IO.StdErr, msg)
				return nil
			}

			// open in browser if --web flag is specified
			if opts.Web {
				if f.IO.IsaTTY && f.IO.IsErrTTY {
					fmt.Fprintf(opts.IO.StdErr, "Opening %s in your browser.\n", utils.DisplayURL(opts.Issue.WebURL))
				}

				browser, _ := cfg.Get(baseRepo.RepoHost(), "browser")
				return utils.OpenInBrowser(opts.Issue.WebURL, browser)
			}

			if opts.ShowComments {
				l := &gitlab.ListIssueNotesOptions{
					Sort: gitlab.Ptr("asc"),
				}
				if opts.CommentPageNumber != 0 {
					l.Page = opts.CommentPageNumber
				}
				if opts.CommentLimit != 0 {
					l.PerPage = opts.CommentLimit
				}
				opts.Notes, err = api.ListIssueNotes(apiClient, baseRepo.FullName(), opts.Issue.IID, l)
				if err != nil {
					return err
				}
			}

			glamourStyle, _ := cfg.Get(baseRepo.RepoHost(), "glamour_style")
			f.IO.ResolveBackgroundColor(glamourStyle)
			err = f.IO.StartPager()
			if err != nil {
				return err
			}
			defer f.IO.StopPager()
			if opts.OutputFormat == "json" {
				return printJSONIssue(opts)
			}
			if f.IO.IsErrTTY && f.IO.IsaTTY {
				return printTTYIssuePreview(opts)
			}
			return printRawIssuePreview(opts)
		},
	}

	issueViewCmd.Flags().BoolVarP(&opts.ShowComments, "comments", "c", false, fmt.Sprintf("Show %s comments and activities.", issueType))
	issueViewCmd.Flags().BoolVarP(&opts.ShowSystemLogs, "system-logs", "s", false, "Show system activities and logs.")
	issueViewCmd.Flags().BoolVarP(&opts.Web, "web", "w", false, fmt.Sprintf("Open %s in a browser. Uses the default browser, or the browser specified in the $BROWSER variable.", issueType))
	issueViewCmd.Flags().IntVarP(&opts.CommentPageNumber, "page", "p", 1, "Page number.")
	issueViewCmd.Flags().IntVarP(&opts.CommentLimit, "per-page", "P", 20, "Number of items to list per page.")
	issueViewCmd.Flags().StringVarP(&opts.OutputFormat, "output", "F", "text", "Format output as: text, json.")

	return issueViewCmd
}