zephinzer/godev

package main

import (
    "fmt"
    "strings"

    "github.com/urfave/cli"
)

// View holds the data for the various types of files that can
// be bootstrapped
type View struct {
    Filename string
    Data     string
}

// ViewMap holds the data for the application to use to display
// the file
var ViewMap = map[string]*View{
    "dockerfile":    &View{"Dockerfile", DataDockerfile},
    "makefile":      &View{"Makefile", DataMakefile},
    ".dockerignore": &View{".dockerignore", DataDotDockerignore},
    ".gitignore":    &View{".gitignore", DataDotGitignore},
    "main.go":       &View{"main.go", DataMainDotgo},
    "go.mod":        &View{"go.mod", DataGoDotMod},
}

func getViewCommand(config *Config, logger *Logger) cli.Command {
    description := "checkout files seeded with the init sub-command where the [filename] argument is one of:"
    for filename := range ViewMap {
        description = fmt.Sprintf("%s\n  - %s", description, filename)
    }

    return cli.Command{
        Action:      getViewAction(config, logger),
        Aliases:     []string{"V"},
        ArgsUsage:   "[filename]",
        Description: description,
        Name:        "view",
        Usage:       "checkout files seeded with the init sub-command",
    }
}

func getViewAction(config *Config, logger *Logger) cli.ActionFunc {
    return func(c *cli.Context) error {
        config.RunView = true
        config.View = c.Args().First()
        fileKey := strings.ToLower(config.View)
        config.assignDefaults()
        config.interpretLogLevel()
        if ViewMap[fileKey] != nil {
            logger.Info(ViewMap[fileKey].Data)
            return nil
        }
        return fmt.Errorf("the requested file, '%s', does not seem to exist", config.View)
    }
}