// Generate generates migration templates.
func (g *migrationGenerator) Generate() {
name := g.flag.Arg(0)
if name == "" {
kocha.PanicOnError(g, "abort: no NAME given")
}
tx := kocha.TxTypeMap[g.txType]
if tx == nil {
kocha.PanicOnError(g, "abort: unsupported transaction type: `%v`", g.txType)
}
now := Now().Format("20060102150405")
data := map[string]interface{}{
"Name": kocha.ToCamelCase(name),
"TimeStamp": now,
"ImportPath": tx.ImportPath(),
"TxType": reflect.TypeOf(tx.TransactionType()).String(),
}
kocha.CopyTemplate(g,
filepath.Join(SkeletonDir("migration"), "migration.go.template"),
filepath.Join("db", "migrations", fmt.Sprintf("%v_%v.go", now, kocha.ToSnakeCase(name))), data)
initPath := filepath.Join("db", "migrations", "init.go")
if _, err := os.Stat(initPath); os.IsNotExist(err) {
appDir, err := kocha.FindAppDir()
if err != nil {
panic(err)
}
kocha.CopyTemplate(g,
filepath.Join(SkeletonDir("migration"), "init.go.template"),
initPath, map[string]interface{}{
"typeName": g.txType,
"tx": strings.TrimSpace(kocha.GoString(tx)),
"dbImportPath": path.Join(appDir, "db"),
})
}
}
func (c *migrateCommand) execCmd(cmd string, args ...string) {
command := exec.Command(cmd, args...)
command.Stdout, command.Stderr = os.Stdout, os.Stderr
if err := command.Run(); err != nil {
kocha.PanicOnError(c, "abort: migration failed: %v", err)
}
}
func (c *migrateCommand) Package(importPath string) *build.Package {
pkg, err := build.Import(importPath, "", build.FindOnly)
if err != nil {
kocha.PanicOnError(c, "abort: cannot import `%s`: %v", importPath, err)
}
return pkg
}
func (c *runCommand) execCmd(name string, args ...string) *exec.Cmd {
cmd := exec.Command(name, args...)
cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
if err := cmd.Start(); err != nil {
kocha.PanicOnError(c, "abort: %v", err)
}
return cmd
}
// Generate generates model templates.
func (g *modelGenerator) Generate() {
name := g.flag.Arg(0)
if name == "" {
kocha.PanicOnError(g, "abort: no NAME given")
}
mt := modelTypeMap[g.orm]
if mt == nil {
kocha.PanicOnError(g, "abort: unsupported ORM type: `%v`", g.orm)
}
m := mt.FieldTypeMap()
var fields []modelField
for _, arg := range g.flag.Args()[1:] {
input := strings.Split(arg, ":")
if len(input) != 2 {
kocha.PanicOnError(g, "abort: invalid argument format has been specified: `%v`", strings.Join(input, ", "))
}
name, t := input[0], input[1]
if name == "" {
kocha.PanicOnError(g, "abort: field name hasn't been specified")
}
ft, found := m[t]
if !found {
kocha.PanicOnError(g, "abort: unsupported field type: `%v`", t)
}
fields = append(fields, modelField{
Name: kocha.ToCamelCase(name),
Type: ft.Name,
Column: kocha.ToSnakeCase(name),
OptionTags: ft.OptionTags,
})
}
camelCaseName := kocha.ToCamelCase(name)
snakeCaseName := kocha.ToSnakeCase(name)
data := map[string]interface{}{
"Name": camelCaseName,
"Fields": fields,
}
templatePath, configTemplatePath := mt.TemplatePath()
kocha.CopyTemplate(g, templatePath, filepath.Join("app", "models", snakeCaseName+".go"), data)
initPath := filepath.Join("db", "config.go")
if _, err := os.Stat(initPath); os.IsNotExist(err) {
kocha.CopyTemplate(g, configTemplatePath, initPath, nil)
}
}
func (c *buildCommand) detectVersionTag() string {
if c.versionTag != "" {
return c.versionTag
}
var repo string
for _, dir := range []string{".git", ".hg"} {
if info, err := os.Stat(dir); err == nil && info.IsDir() {
repo = dir
break
}
}
version := time.Now().Format(time.RFC1123Z)
switch repo {
case ".git":
bin, err := exec.LookPath("git")
if err != nil {
fmt.Println("WARNING: git repository found, but `git` command not found. version uses \"%s\"", version)
break
}
line, err := exec.Command(bin, "rev-parse", "HEAD").Output()
if err != nil {
kocha.PanicOnError(c, "abort: unexpected error: %v\nplease specify version explicitly with '-tag' option for avoid the this error.", err)
}
version = strings.TrimSpace(string(line))
case ".hg":
bin, err := exec.LookPath("hg")
if err != nil {
fmt.Println("WARNING: hg repository found, but `hg` command not found. version uses \"%s\"", version)
break
}
line, err := exec.Command(bin, "identify").Output()
if err != nil {
kocha.PanicOnError(c, "abort: unexpected error: %v\nplease specify version explicitly with '-tag' option for avoid the this error.", err)
}
version = strings.TrimSpace(string(line))
}
if version == "" {
// Probably doesn't reach here.
version = time.Now().Format(time.RFC1123Z)
fmt.Println("WARNING: version is empty, use \"%s\"", version)
}
return version
}
func (c *migrateCommand) Run() {
direction := c.flag.Arg(0)
switch direction {
case "up", "down":
// do nothing.
default:
kocha.PanicOnError(c, `abort: no "up" or "down" specified`)
}
tmpDir, err := filepath.Abs("tmp")
if err != nil {
panic(err)
}
if err := os.MkdirAll(tmpDir, 0755); err != nil && !os.IsExist(err) {
kocha.PanicOnError(c, "abort: failed to create directory: %v", err)
}
_, filename, _, _ := runtime.Caller(0)
skeletonDir := filepath.Join(filepath.Dir(filename), "skeleton", "migrate")
t := template.Must(template.ParseFiles(filepath.Join(skeletonDir, direction+".go.template")))
mainFilePath := filepath.ToSlash(filepath.Join(tmpDir, "migrate.go"))
file, err := os.Create(mainFilePath)
if err != nil {
kocha.PanicOnError(c, "abort: failed to create file: %v", err)
}
defer file.Close()
appDir, err := kocha.FindAppDir()
if err != nil {
panic(err)
}
data := map[string]interface{}{
"dbImportPath": c.Package(path.Join(appDir, "db")).ImportPath,
"migrationsImportPath": c.Package(path.Join(appDir, "db", "migrations")).ImportPath,
"dbconf": c.dbconf,
"limit": c.limit,
}
if err := t.Execute(file, data); err != nil {
kocha.PanicOnError(c, "abort: failed to write file: %v", err)
}
c.execCmd("go", "run", mainFilePath)
if err := os.RemoveAll(tmpDir); err != nil {
panic(err)
}
kocha.PrintGreen("All migrations are successful!\n")
}
// Run execute the process for `generate` command.
func (c *generateCommand) Run() {
generatorName := c.flag.Arg(0)
if generatorName == "" {
kocha.PanicOnError(c, "abort: no GENERATOR given")
}
generator := generator.Get(generatorName)
if generator == nil {
kocha.PanicOnError(c, "abort: could not find generator: %v", generatorName)
}
flagSet := flag.NewFlagSet(generatorName, flag.ExitOnError)
flagSet.Usage = func() {
var flags []*flag.Flag
flagSet.VisitAll(func(f *flag.Flag) {
flags = append(flags, f)
})
var buf bytes.Buffer
template.Must(template.New("usage").Parse(
`usage: %s %s %s
{{if .}}
Options:
{{range .}}
-{{.Name|printf "%-12s"}} {{.Usage}}{{end}}{{end}}
`)).Execute(&buf, flags)
fmt.Fprintf(os.Stderr, buf.String(), os.Args[0], c.Name(), generator.Usage())
}
defer func() {
if err := recover(); err != nil {
if err, ok := err.(kocha.Error); ok {
fmt.Fprintln(os.Stderr, err.Message)
fmt.Fprintf(os.Stderr, "usage: %s %s %s\n", os.Args[0], c.Name(), err.Usager.Usage())
os.Exit(1)
}
panic(err)
}
}()
generator.DefineFlags(flagSet)
flagSet.Parse(c.flag.Args()[1:])
generator.Generate()
}
// Run execute the process for `new` command.
func (c *newCommand) Run() {
appPath := c.flag.Arg(0)
if appPath == "" {
kocha.PanicOnError(c, "abort: no APP_PATH given")
}
dstBasePath := filepath.Join(filepath.SplitList(build.Default.GOPATH)[0], "src", appPath)
_, filename, _, _ := runtime.Caller(0)
baseDir := filepath.Dir(filename)
skeletonDir := filepath.Join(baseDir, "skeleton", "new")
if _, err := os.Stat(filepath.Join(dstBasePath, "config", "app.go")); err == nil {
kocha.PanicOnError(c, "abort: Kocha application is already exists")
}
data := map[string]interface{}{
"appName": filepath.Base(appPath),
"appPath": appPath,
"secretKey": fmt.Sprintf("%q", string(kocha.GenerateRandomKey(32))), // AES-256
"signedKey": fmt.Sprintf("%q", string(kocha.GenerateRandomKey(16))),
}
filepath.Walk(skeletonDir, func(path string, info os.FileInfo, err error) error {
if err != nil {
panic(err)
}
if info.IsDir() {
return nil
}
dstPath := filepath.Join(dstBasePath, strings.TrimSuffix(strings.TrimPrefix(path, skeletonDir), ".template"))
dstDir := filepath.Dir(dstPath)
dirCreated, err := mkdirAllIfNotExists(dstDir)
if err != nil {
kocha.PanicOnError(c, "abort: failed to create directory: %v", err)
}
if dirCreated {
kocha.PrintCreateDirectory(dstDir)
}
kocha.CopyTemplate(c, path, dstPath, data)
return nil
})
}
// Generate generates unit templates.
func (g *unitGenerator) Generate() {
name := g.flag.Arg(0)
if name == "" {
kocha.PanicOnError(g, "abort: no NAME given")
}
camelCaseName := kocha.ToCamelCase(name)
snakeCaseName := kocha.ToSnakeCase(name)
data := map[string]interface{}{
"Name": camelCaseName,
}
kocha.CopyTemplate(g,
filepath.Join(SkeletonDir("unit"), "unit.go.template"),
filepath.Join("app", "units", snakeCaseName+".go"), data)
}
// Generate generate a controller templates.
func (g *controllerGenerator) Generate() {
name := g.flag.Arg(0)
if name == "" {
kocha.PanicOnError(g, "abort: no NAME given")
}
camelCaseName := kocha.ToCamelCase(name)
snakeCaseName := kocha.ToSnakeCase(name)
data := map[string]interface{}{
"Name": camelCaseName,
}
kocha.CopyTemplate(g,
filepath.Join(SkeletonDir("controller"), "controller.go.template"),
filepath.Join("app", "controllers", snakeCaseName+".go"), data)
kocha.CopyTemplate(g,
filepath.Join(SkeletonDir("controller"), "view.html"),
filepath.Join("app", "views", snakeCaseName+".html"), data)
g.addRouteToFile(name)
}
func (g *controllerGenerator) addRouteToFile(name string) {
routeFilePath := filepath.Join("config", "routes.go")
fset := token.NewFileSet()
f, err := parser.ParseFile(fset, routeFilePath, nil, 0)
if err != nil {
kocha.PanicOnError(g, "abort: failed to read file: %v", err)
}
routeStructName := kocha.ToCamelCase(name)
routeName := kocha.ToSnakeCase(name)
routeTableAST := findRouteTableAST(f)
if routeTableAST == nil {
return
}
routeASTs := findRouteASTs(routeTableAST)
if routeASTs == nil {
return
}
if isRouteDefined(routeASTs, routeStructName) {
return
}
routeFile, err := os.OpenFile(routeFilePath, os.O_RDWR, 0644)
if err != nil {
kocha.PanicOnError(g, "abort: failed to open file: %v", err)
}
defer routeFile.Close()
lastRouteAST := routeASTs[len(routeASTs)-1]
offset := int64(fset.Position(lastRouteAST.End()).Offset)
var buf bytes.Buffer
if _, err := io.CopyN(&buf, routeFile, offset); err != nil {
kocha.PanicOnError(g, "abort: failed to read file: %v", err)
}
buf.WriteString(fmt.Sprintf(`, {
Name: "%s",
Path: "/%s",
Controller: controllers.%s{},
}`, routeName, routeName, routeStructName))
if _, err := io.Copy(&buf, routeFile); err != nil {
kocha.PanicOnError(g, "abort: failed to read file: %v", err)
}
formatted, err := format.Source(buf.Bytes())
if err != nil {
kocha.PanicOnError(g, "abort: failed to format file: %v", err)
}
if _, err := routeFile.WriteAt(formatted, 0); err != nil {
kocha.PanicOnError(g, "abort: failed to update file: %v", err)
}
}
// Run execute the process for `build` command.
func (c *buildCommand) Run() {
dir, err := os.Getwd()
if err != nil {
panic(err)
}
appDir, err := kocha.FindAppDir()
if err != nil {
panic(err)
}
appName := filepath.Base(dir)
configPkg, err := c.Package(path.Join(appDir, "config"))
if err != nil {
kocha.PanicOnError(c, "abort: cannot import `%s`: %v", path.Join(appDir, "config"), err)
}
var dbImportPath string
dbPkg, err := c.Package(path.Join(appDir, "db"))
if err == nil {
dbImportPath = dbPkg.ImportPath
}
var migrationsImportPath string
migrationsPkg, err := c.Package(path.Join(appDir, "db", "migrations"))
if err == nil {
migrationsImportPath = migrationsPkg.ImportPath
}
tmpDir, err := filepath.Abs("tmp")
if err != nil {
panic(err)
}
if err := os.Mkdir(tmpDir, 0755); err != nil && !os.IsExist(err) {
kocha.PanicOnError(c, "abort: failed to create directory: %v", err)
}
_, filename, _, _ := runtime.Caller(0)
baseDir := filepath.Dir(filename)
skeletonDir := filepath.Join(baseDir, "skeleton", "build")
mainTemplate, err := ioutil.ReadFile(filepath.Join(skeletonDir, "main.go.template"))
if err != nil {
panic(err)
}
mainFilePath := filepath.ToSlash(filepath.Join(tmpDir, "main.go"))
builderFilePath := filepath.ToSlash(filepath.Join(tmpDir, "builder.go"))
file, err := os.Create(builderFilePath)
if err != nil {
kocha.PanicOnError(c, "abort: failed to create file: %v", err)
}
defer file.Close()
builderTemplatePath := filepath.ToSlash(filepath.Join(skeletonDir, "builder.go.template"))
t := template.Must(template.ParseFiles(builderTemplatePath))
var resources map[string]string
if c.all {
resources = c.collectResourcePaths(filepath.Join(dir, kocha.StaticDir))
}
data := map[string]interface{}{
"configImportPath": configPkg.ImportPath,
"dbImportPath": dbImportPath,
"migrationsImportPath": migrationsImportPath,
"mainTemplate": string(mainTemplate),
"mainFilePath": mainFilePath,
"resources": resources,
"version": c.detectVersionTag(),
}
if err := t.Execute(file, data); err != nil {
kocha.PanicOnError(c, "abort: failed to write file: %v", err)
}
execName := appName
if runtime.GOOS == "windows" {
execName += ".exe"
}
c.execCmd("go", "run", builderFilePath)
c.execCmd("go", "build", "-o", execName, mainFilePath)
if err := os.RemoveAll(tmpDir); err != nil {
panic(err)
}
printSettingEnv()
fmt.Printf("build all-in-one binary to %v\n", filepath.Join(dir, execName))
kocha.PrintGreen("Build successful!\n")
}
func (c *buildCommand) execCmd(cmd string, args ...string) {
command := exec.Command(cmd, args...)
if msg, err := command.CombinedOutput(); err != nil {
kocha.PanicOnError(c, "abort: build failed: %v\n%v", err, string(msg))
}
}