realize/watcher/cmd.go

package cli

import (
	"errors"
	"fmt"
	"gopkg.in/urfave/cli.v2"
	"path/filepath"
	"strings"
)

// Watch method adds the given paths on the Watcher
func (h *Blueprint) Run() error {
	err := h.check()
	if err == nil {
		// loop projects
		wg.Add(len(h.Projects))
		for k := range h.Projects {
			h.Projects[k].parent = h
			go h.Projects[k].watching()
		}
		wg.Wait()
		return nil
	}
	return err
}

// Add a new project
func (h *Blueprint) Add(p *cli.Context) error {
	project := Project{
		Name:   h.name(p),
		Path:   filepath.Clean(p.String("path")),
		Build:  p.Bool("build"),
		Bin:    !p.Bool("no-bin"),
		Run:    !p.Bool("no-run"),
		Fmt:    !p.Bool("no-fmt"),
		Test:   p.Bool("test"),
		Params: argsParam(p),
		Watcher: Watcher{
			Paths:  []string{"/"},
			Ignore: []string{"vendor"},
			Exts:   []string{".go"},
		},
		Cli: Cli{
			Streams: true,
		},
		File: File{
			Streams: false,
			Logs:    false,
			Errors:  false,
		},
	}
	if _, err := duplicates(project, h.Projects); err != nil {
		return err
	}
	h.Projects = append(h.Projects, project)
	return nil
}

// Clean duplicate projects
func (h *Blueprint) Clean() {
	arr := h.Projects
	for key, val := range arr {
		if _, err := duplicates(val, arr[key+1:]); err != nil {
			h.Projects = append(arr[:key], arr[key+1:]...)
			break
		}
	}
}

// Inserts a new project in the list
func (h *Blueprint) Insert(p *cli.Context) error {
	err := h.Add(p)
	return err
}

// Remove a project
func (h *Blueprint) Remove(p *cli.Context) error {
	for key, val := range h.Projects {
		if p.String("name") == val.Name {
			h.Projects = append(h.Projects[:key], h.Projects[key+1:]...)
			return nil
		}
	}
	return errors.New("No project found.")
}

// List of all the projects
func (h *Blueprint) List() error {
	err := h.check()
	if err == nil {
		for _, val := range h.Projects {
			fmt.Println(h.Blue.Bold("|"), h.Blue.Bold(strings.ToUpper(val.Name)))
			fmt.Println(h.Magenta.Regular("|"), "\t", h.Yellow.Regular("Base Path"), ":", h.Magenta.Regular(val.Path))
			fmt.Println(h.Magenta.Regular("|"), "\t", h.Yellow.Regular("Run"), ":", h.Magenta.Regular(val.Run))
			fmt.Println(h.Magenta.Regular("|"), "\t", h.Yellow.Regular("Build"), ":", h.Magenta.Regular(val.Build))
			fmt.Println(h.Magenta.Regular("|"), "\t", h.Yellow.Regular("Install"), ":", h.Magenta.Regular(val.Bin))
			fmt.Println(h.Magenta.Regular("|"), "\t", h.Yellow.Regular("Fmt"), ":", h.Magenta.Regular(val.Fmt))
			fmt.Println(h.Magenta.Regular("|"), "\t", h.Yellow.Regular("Test"), ":", h.Magenta.Regular(val.Test))
			if len(val.Params) > 0 {
				fmt.Println(h.Magenta.Regular("|"), "\t", h.Yellow.Regular("Params"), ":", h.Magenta.Regular(val.Params))
			}
			fmt.Println(h.Magenta.Regular("|"), "\t", h.Yellow.Regular("Watcher"), ":")
			if len(val.Watcher.After) > 0 {
				fmt.Println(h.Magenta.Regular("|"), "\t\t", h.Yellow.Regular("After"), ":", h.Magenta.Regular(val.Watcher.After))
			}
			if len(val.Watcher.Before) > 0 {
				fmt.Println(h.Magenta.Regular("|"), "\t\t", h.Yellow.Regular("Before"), ":", h.Magenta.Regular(val.Watcher.Before))
			}
			if len(val.Watcher.Exts) > 0 {
				fmt.Println(h.Magenta.Regular("|"), "\t\t", h.Yellow.Regular("Extensions"), ":", h.Magenta.Regular(val.Watcher.Exts))
			}
			if len(val.Watcher.Paths) > 0 {
				fmt.Println(h.Magenta.Regular("|"), "\t\t", h.Yellow.Regular("Paths"), ":", h.Magenta.Regular(val.Watcher.Paths))
			}
			if len(val.Watcher.Ignore) > 0 {
				fmt.Println(h.Magenta.Regular("|"), "\t\t", h.Yellow.Regular("Ignored paths"), ":", h.Magenta.Regular(val.Watcher.Ignore))
			}
			fmt.Println(h.Magenta.Regular("|"), "\t\t", h.Yellow.Regular("Files preview"), ":", h.Magenta.Regular(val.Watcher.Preview))
			fmt.Println(h.Magenta.Regular("|"), "\t", h.Yellow.Regular("Cli"), ":")
			fmt.Println(h.Magenta.Regular("|"), "\t\t", h.Yellow.Regular("Streams"), ":", h.Magenta.Regular(val.Cli.Streams))
			fmt.Println(h.Magenta.Regular("|"), "\t", h.Yellow.Regular("File"), ":")
			fmt.Println(h.Magenta.Regular("|"), "\t\t", h.Yellow.Regular("Streams"), ":", h.Magenta.Regular(val.File.Streams))
			fmt.Println(h.Magenta.Regular("|"), "\t\t", h.Yellow.Regular("Logs"), ":", h.Magenta.Regular(val.File.Logs))
			fmt.Println(h.Magenta.Regular("|"), "\t\t", h.Yellow.Regular("Errors"), ":", h.Magenta.Regular(val.File.Errors))
		}
		return nil
	}
	return err
}

// Check whether there is a project
func (h *Blueprint) check() error {
	if len(h.Projects) > 0 {
		h.Clean()
		return nil
	} else {
		return errors.New("There are no projects. The config file is empty.")
	}
}

// NameParam check the project name presence. If empty takes the working directory name
func (h *Blueprint) name(p *cli.Context) string {
	var name string
	if p.String("name") == "" && p.String("path") == "" {
		return h.Wdir()
	} else if p.String("path") != "/" {
		name = filepath.Base(p.String("path"))
	} else {
		name = p.String("name")
	}
	return name
}