280 lines
7.5 KiB
Go
280 lines
7.5 KiB
Go
package cli
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import (
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"errors"
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"fmt"
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"github.com/fsnotify/fsnotify"
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"log"
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"math/big"
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"os"
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"os/signal"
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"path/filepath"
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"strings"
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"sync"
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"syscall"
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"time"
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)
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// Watching method is the main core. It manages the livereload and the watching
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func (p *Project) watching() {
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var wr sync.WaitGroup
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var watcher *fsnotify.Watcher
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channel, exit := make(chan bool, 1), make(chan bool, 1)
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p.path = p.Path
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watcher, err := fsnotify.NewWatcher()
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if err != nil {
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log.Println(strings.ToUpper(p.pname(p.Name, 1)), ":", p.Red.Bold(err.Error()))
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return
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}
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defer func() {
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watcher.Close()
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wg.Done()
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}()
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p.cmd(exit)
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if p.walks(watcher) != nil {
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log.Println(strings.ToUpper(p.pname(p.Name, 1)), ":", p.Red.Bold(err.Error()))
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return
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}
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go p.routines(channel, &wr)
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p.LastChangedOn = time.Now().Truncate(time.Second)
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// waiting for an event
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for {
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select {
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case event := <-watcher.Events:
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if time.Now().Truncate(time.Second).After(p.LastChangedOn) {
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if event.Op&fsnotify.Chmod == fsnotify.Chmod {
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continue
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}
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if _, err := os.Stat(event.Name); err == nil {
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var ext string
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if index := strings.Index(filepath.Ext(event.Name), "_"); index == -1 {
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ext = filepath.Ext(event.Name)
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} else {
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ext = filepath.Ext(event.Name)[0:index]
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}
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i := strings.Index(event.Name, filepath.Ext(event.Name))
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file := event.Name[:i] + ext
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path := filepath.Dir(event.Name[:i])
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if event.Name[:i] != "" && inArray(ext, p.Watcher.Exts) {
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p.Buffer.StdLog = append(p.Buffer.StdLog, BufferOut{Time: time.Now(), Text: strings.ToUpper(ext[1:]) + " changed " + file})
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go func() {
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p.parent.Sync <- "sync"
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}()
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fmt.Println(p.pname(p.Name, 4), p.Magenta.Bold(strings.ToUpper(ext[1:])+" changed"), p.Magenta.Bold(file))
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// stop and run again
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if p.Run {
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close(channel)
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channel = make(chan bool)
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}
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// handle multiple errors, need a better way
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p.fmt(file)
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p.test(path)
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p.generate(path)
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go p.routines(channel, &wr)
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p.LastChangedOn = time.Now().Truncate(time.Second)
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}
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}
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}
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case err := <-watcher.Errors:
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log.Println(p.Red.Bold(err.Error()))
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case <-exit:
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return
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}
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}
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}
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// Install calls an implementation of the "go install"
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func (p *Project) install(channel chan bool, wr *sync.WaitGroup) {
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if p.Bin {
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log.Println(p.pname(p.Name, 1), ":", "Installing..")
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start := time.Now()
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if std, err := p.GoInstall(); err != nil {
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log.Println(p.pname(p.Name, 1), ":", fmt.Sprint(p.Red.Bold(err)), std)
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wr.Done()
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} else {
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log.Println(p.pname(p.Name, 5), ":", p.Green.Regular("Installed")+" after", p.Magenta.Regular(big.NewFloat(float64(time.Since(start).Seconds())).Text('f', 3), " s"))
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if p.Run {
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runner := make(chan bool, 1)
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log.Println(p.pname(p.Name, 1), ":", "Running..")
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start = time.Now()
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go p.GoRun(channel, runner, wr)
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for {
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select {
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case <-runner:
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log.Println(p.pname(p.Name, 5), ":", p.Green.Regular("Has been run")+" after", p.Magenta.Regular(big.NewFloat(float64(time.Since(start).Seconds())).Text('f', 3), " s"))
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return
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}
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}
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}
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}
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}
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return
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}
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// Build calls an implementation of the "go build"
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func (p *Project) build() {
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if p.Build {
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log.Println(p.pname(p.Name, 1), ":", "Building..")
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start := time.Now()
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if std, err := p.GoBuild(); err != nil {
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log.Println(p.pname(p.Name, 1), ":", fmt.Sprint(p.Red.Bold(err)), std)
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} else {
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log.Println(p.pname(p.Name, 5), ":", p.Green.Regular("Builded")+" after", p.Magenta.Regular(big.NewFloat(float64(time.Since(start).Seconds())).Text('f', 3), " s"))
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}
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}
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return
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}
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// Fmt calls an implementation of the "go fmt"
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func (p *Project) fmt(path string) error {
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if p.Fmt {
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if stream, err := p.GoFmt(path); err != nil {
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log.Println(p.pname(p.Name, 1), p.Red.Bold("Go Fmt"), p.Red.Bold("there are some errors in"), ":", p.Magenta.Bold(path))
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fmt.Println(stream)
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return err
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}
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}
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return nil
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}
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// Generate calls an implementation of the "go generate"
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func (p *Project) generate(path string) error {
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if p.Generate {
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if stream, err := p.GoGenerate(path); err != nil {
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log.Println(p.pname(p.Name, 1), p.Red.Bold("Go Generate"), p.Red.Bold("there are some errors in"), ":", p.Magenta.Bold(path))
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fmt.Println(stream)
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return err
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}
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}
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return nil
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}
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// Cmd calls an wrapper for execute the commands after/before
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func (p *Project) cmd(exit chan bool) {
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c := make(chan os.Signal, 2)
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signal.Notify(c, os.Interrupt, syscall.SIGTERM)
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cast := func(commands []string) {
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if errs := p.Cmd(commands); errs != nil {
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for _, err := range errs {
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log.Println(p.pname(p.Name, 2), p.Red.Bold(err))
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}
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}
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}
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if len(p.Watcher.Before) > 0 {
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cast(p.Watcher.Before)
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}
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go func() {
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for {
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select {
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case <-c:
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if len(p.Watcher.After) > 0 {
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cast(p.Watcher.After)
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}
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close(exit)
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}
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}
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}()
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}
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// Test calls an implementation of the "go test"
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func (p *Project) test(path string) error {
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if p.Test {
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if stream, err := p.GoTest(path); err != nil {
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log.Println(p.pname(p.Name, 1), p.Red.Bold("Go Test fails in "), ":", p.Magenta.Bold(path))
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fmt.Println(stream)
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return err
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}
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}
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return nil
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}
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// Walks the file tree of a project
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func (p *Project) walks(watcher *fsnotify.Watcher) error {
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var files, folders int64
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wd, _ := os.Getwd()
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walk := func(path string, info os.FileInfo, err error) error {
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if !p.ignore(path) {
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if (info.IsDir() && len(filepath.Ext(path)) == 0 && !strings.HasPrefix(path, ".")) && !strings.Contains(path, "/.") || (inArray(filepath.Ext(path), p.Watcher.Exts)) {
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if p.Watcher.Preview {
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fmt.Println(p.pname(p.Name, 1), ":", path)
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}
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if err = watcher.Add(path); err != nil {
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return filepath.SkipDir
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}
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if inArray(filepath.Ext(path), p.Watcher.Exts) {
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files++
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p.fmt(path)
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} else {
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folders++
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p.generate(path)
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p.test(path)
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}
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}
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}
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return nil
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}
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if p.path == "." || p.path == "/" {
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p.base = wd
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p.path = p.Wdir()
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} else if filepath.IsAbs(p.path) {
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p.base = p.path
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} else {
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p.base = filepath.Join(wd, p.path)
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}
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for _, dir := range p.Watcher.Paths {
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base := filepath.Join(p.base, dir)
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if _, err := os.Stat(base); err == nil {
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if err := filepath.Walk(base, walk); err != nil {
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log.Println(p.Red.Bold(err.Error()))
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}
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} else {
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return errors.New(base + " path doesn't exist")
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}
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}
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fmt.Println(p.pname(p.Name, 1), p.Red.Bold("Watching"), p.Magenta.Bold(files), "file/s", p.Magenta.Bold(folders), "folder/s")
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return nil
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}
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// Ignore validates a path
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func (p *Project) ignore(str string) bool {
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for _, v := range p.Watcher.Ignore {
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if strings.Contains(str, filepath.Join(p.base, v)) {
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return true
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}
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}
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return false
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}
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// Routines launches the following methods: run, build, install
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func (p *Project) routines(channel chan bool, wr *sync.WaitGroup) {
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wr.Add(1)
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go p.build()
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go p.install(channel, wr)
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wr.Wait()
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}
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// Defines the colors scheme for the project name
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func (p *Project) pname(name string, color int) string {
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switch color {
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case 1:
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name = p.Yellow.Regular("[") + strings.ToUpper(name) + p.Yellow.Regular("]")
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break
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case 2:
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name = p.Yellow.Regular("[") + p.Red.Bold(strings.ToUpper(name)) + p.Yellow.Regular("]")
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break
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case 3:
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name = p.Yellow.Regular("[") + p.Blue.Bold(strings.ToUpper(name)) + p.Yellow.Regular("]")
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break
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case 4:
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name = p.Yellow.Regular("[") + p.Magenta.Bold(strings.ToUpper(name)) + p.Yellow.Regular("]")
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break
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case 5:
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name = p.Yellow.Regular("[") + p.Green.Bold(strings.ToUpper(name)) + p.Yellow.Regular("]")
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break
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}
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return name
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}
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