// generateControllers iterates through the API resources and generates the low level
// controllers.
func (g *Generator) generateSecurity() error {
if len(g.API.SecuritySchemes) == 0 {
return nil
}
secFile := filepath.Join(g.OutDir, "security.go")
secWr, err := NewSecurityWriter(secFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Security", g.API.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("net/http"),
codegen.SimpleImport("errors"),
codegen.SimpleImport("golang.org/x/net/context"),
codegen.SimpleImport("github.com/goadesign/goa"),
}
secWr.WriteHeader(title, g.Target, imports)
g.genfiles = append(g.genfiles, secFile)
if err = secWr.Execute(design.Design.SecuritySchemes); err != nil {
return err
}
return secWr.FormatCode()
}
// generateUserTypes iterates through the user types and generates the data structures and
// marshaling code.
func (g *Generator) generateUserTypes(verdir string, version *design.APIVersionDefinition) error {
utFile := filepath.Join(verdir, "user_types.go")
utWr, err := NewUserTypesWriter(utFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application User Types", version.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("fmt"),
codegen.SimpleImport("time"),
}
if !version.IsDefault() {
appPkg, err := AppPackagePath()
if err != nil {
return err
}
imports = append(imports, codegen.SimpleImport(appPkg))
}
utWr.WriteHeader(title, packageName(version), imports)
err = version.IterateUserTypes(func(t *design.UserTypeDefinition) error {
data := &UserTypeTemplateData{
UserType: t,
Versioned: version.Version != "",
DefaultPkg: TargetPackage,
}
return utWr.Execute(data)
})
g.genfiles = append(g.genfiles, utFile)
if err != nil {
return err
}
return utWr.FormatCode()
}
// generateMediaTypes iterates through the media types and generate the data structures and
// marshaling code.
func (g *Generator) generateMediaTypes(api *design.APIDefinition) error {
mtFile := filepath.Join(AppOutputDir(), "media_types.go")
mtWr, err := NewMediaTypesWriter(mtFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Media Types", api.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("fmt"),
codegen.SimpleImport("time"),
}
mtWr.WriteHeader(title, TargetPackage, imports)
err = api.IterateMediaTypes(func(mt *design.MediaTypeDefinition) error {
if mt.IsBuiltIn() {
return nil
}
if mt.Type.IsObject() || mt.Type.IsArray() {
return mtWr.Execute(mt)
}
return nil
})
g.genfiles = append(g.genfiles, mtFile)
if err != nil {
return err
}
return mtWr.FormatCode()
}
func (g *Generator) generateClientResources(clientPkg string, funcs template.FuncMap, api *design.APIDefinition) error {
clientsTmpl := template.Must(template.New("clients").Funcs(funcs).Parse(clientsTmpl))
imports := []*codegen.ImportSpec{
codegen.SimpleImport("bytes"),
codegen.SimpleImport("encoding/json"),
codegen.SimpleImport("fmt"),
codegen.SimpleImport("net/http"),
}
return api.IterateResources(func(res *design.ResourceDefinition) error {
filename := filepath.Join(codegen.OutputDir, snakeCase(res.Name)+".go")
file, err := codegen.SourceFileFor(filename)
if err != nil {
return err
}
if err := file.WriteHeader("", "client", imports); err != nil {
return err
}
g.genfiles = append(g.genfiles, filename)
if err := res.IterateActions(func(action *design.ActionDefinition) error {
return clientsTmpl.Execute(file, action)
}); err != nil {
return err
}
return file.FormatCode()
})
}
// generateMediaTypes iterates through the media types and generate the data structures and
// marshaling code.
func (g *Generator) generateMediaTypes(verdir string, version *design.APIVersionDefinition) error {
mtFile := filepath.Join(verdir, "media_types.go")
mtWr, err := NewMediaTypesWriter(mtFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Media Types", version.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("fmt"),
}
mtWr.WriteHeader(title, packageName(version), imports)
err = version.IterateMediaTypes(func(mt *design.MediaTypeDefinition) error {
data := &MediaTypeTemplateData{
MediaType: mt,
Versioned: version.Version != "",
DefaultPkg: TargetPackage,
}
if mt.Type.IsObject() || mt.Type.IsArray() {
return mtWr.Execute(data)
}
return nil
})
g.genfiles = append(g.genfiles, mtFile)
if err != nil {
return err
}
return mtWr.FormatCode()
}
func (m *Generator) generateToolSourceCode(pkg *codegen.Package) {
file := pkg.CreateSourceFile("main.go")
imports := append(m.Imports,
codegen.SimpleImport("fmt"),
codegen.SimpleImport("os"),
codegen.SimpleImport("strings"),
codegen.SimpleImport("github.com/goadesign/goa/dslengine"),
codegen.NewImport("_", filepath.ToSlash(codegen.DesignPackagePath)),
)
file.WriteHeader("Code Generator", "main", imports)
tmpl, err := template.New("generator").Parse(mainTmpl)
if err != nil {
panic(err) // bug
}
pkgName, err := codegen.PackageName(pkg.Abs())
if err != nil {
panic(err)
}
context := map[string]string{
"Genfunc": m.Genfunc,
"DesignPackage": codegen.DesignPackagePath,
"PkgName": pkgName,
}
err = tmpl.Execute(file, context)
if err != nil {
panic(err) // bug
}
}
func (g *Generator) createMainFile(mainFile string, funcs template.FuncMap) error {
g.genfiles = append(g.genfiles, mainFile)
file, err := codegen.SourceFileFor(mainFile)
if err != nil {
return err
}
funcs["getPort"] = func(hostport string) string {
_, port, err := net.SplitHostPort(hostport)
if err != nil {
return "8080"
}
return port
}
outPkg, err := codegen.PackagePath(g.OutDir)
if err != nil {
return err
}
appPkg := path.Join(outPkg, "app")
imports := []*codegen.ImportSpec{
codegen.SimpleImport("time"),
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("github.com/goadesign/goa/middleware"),
codegen.SimpleImport(appPkg),
}
file.Write([]byte("//go:generate goagen bootstrap -d " + g.DesignPkg + "\n\n"))
file.WriteHeader("", "main", imports)
data := map[string]interface{}{
"Name": g.API.Name,
"API": g.API,
}
if err = file.ExecuteTemplate("main", mainT, funcs, data); err != nil {
return err
}
return file.FormatCode()
}
// generateMediaTypes iterates through the media types and generate the data structures and
// marshaling code.
func (g *Generator) generateMediaTypes() error {
mtFile := filepath.Join(g.OutDir, "media_types.go")
mtWr, err := NewMediaTypesWriter(mtFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Media Types", g.API.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("fmt"),
codegen.SimpleImport("time"),
codegen.SimpleImport("unicode/utf8"),
codegen.NewImport("uuid", "github.com/satori/go.uuid"),
}
mtWr.WriteHeader(title, g.Target, imports)
err = g.API.IterateMediaTypes(func(mt *design.MediaTypeDefinition) error {
if mt.IsError() {
return nil
}
if mt.Type.IsObject() || mt.Type.IsArray() {
return mtWr.Execute(mt)
}
return nil
})
g.genfiles = append(g.genfiles, mtFile)
if err != nil {
return err
}
return mtWr.FormatCode()
}
// generateControllers iterates through the version resources and generates the low level
// controllers.
func (g *Generator) generateControllers(verdir string, version *design.APIVersionDefinition) error {
ctlFile := filepath.Join(verdir, "controllers.go")
ctlWr, err := NewControllersWriter(ctlFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Controllers", version.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("github.com/julienschmidt/httprouter"),
codegen.SimpleImport("github.com/goadesign/goa"),
}
if !version.IsDefault() {
appPkg, err := AppPackagePath()
if err != nil {
return err
}
imports = append(imports, codegen.SimpleImport(appPkg))
}
ctlWr.WriteHeader(title, packageName(version), imports)
var controllersData []*ControllerTemplateData
version.IterateResources(func(r *design.ResourceDefinition) error {
if !r.SupportsVersion(version.Version) {
return nil
}
data := &ControllerTemplateData{Resource: codegen.Goify(r.Name, true)}
err := r.IterateActions(func(a *design.ActionDefinition) error {
context := fmt.Sprintf("%s%sContext", codegen.Goify(a.Name, true), codegen.Goify(r.Name, true))
unmarshal := fmt.Sprintf("unmarshal%s%sPayload", codegen.Goify(a.Name, true), codegen.Goify(r.Name, true))
action := map[string]interface{}{
"Name": codegen.Goify(a.Name, true),
"Routes": a.Routes,
"Context": context,
"Unmarshal": unmarshal,
"Payload": a.Payload,
}
data.Actions = append(data.Actions, action)
return nil
})
if err != nil {
return err
}
if len(data.Actions) > 0 {
data.Version = version
controllersData = append(controllersData, data)
}
return nil
})
g.genfiles = append(g.genfiles, ctlFile)
if err = ctlWr.Execute(controllersData); err != nil {
return err
}
return ctlWr.FormatCode()
}
// generateContexts iterates through the version resources and actions and generates the action
// contexts.
func (g *Generator) generateContexts(verdir string, api *design.APIDefinition, version *design.APIVersionDefinition) error {
ctxFile := filepath.Join(verdir, "contexts.go")
ctxWr, err := NewContextsWriter(ctxFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Contexts", version.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("fmt"),
codegen.SimpleImport("strconv"),
codegen.SimpleImport("strings"),
codegen.SimpleImport("github.com/goadesign/goa"),
}
if !version.IsDefault() {
appPkg, err := AppPackagePath()
if err != nil {
return err
}
imports = append(imports, codegen.SimpleImport(appPkg))
}
ctxWr.WriteHeader(title, packageName(version), imports)
err = version.IterateResources(func(r *design.ResourceDefinition) error {
if !r.SupportsVersion(version.Version) {
return nil
}
return r.IterateActions(func(a *design.ActionDefinition) error {
ctxName := codegen.Goify(a.Name, true) + codegen.Goify(a.Parent.Name, true) + "Context"
ctxData := ContextTemplateData{
Name: ctxName,
ResourceName: r.Name,
ActionName: a.Name,
Payload: a.Payload,
Params: a.AllParams(),
Headers: r.Headers.Merge(a.Headers),
Routes: a.Routes,
Responses: MergeResponses(r.Responses, a.Responses),
API: api,
Version: version,
DefaultPkg: TargetPackage,
}
return ctxWr.Execute(&ctxData)
})
})
g.genfiles = append(g.genfiles, ctxFile)
if err != nil {
return err
}
return ctxWr.FormatCode()
}
// generateHrefs iterates through the API resources and generates the href factory methods.
func (g *Generator) generateHrefs(api *design.APIDefinition) error {
hrefFile := filepath.Join(AppOutputDir(), "hrefs.go")
resWr, err := NewResourcesWriter(hrefFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Resource Href Factories", api.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("fmt"),
}
resWr.WriteHeader(title, TargetPackage, imports)
err = api.IterateResources(func(r *design.ResourceDefinition) error {
m := api.MediaTypeWithIdentifier(r.MediaType)
var identifier string
if m != nil {
identifier = m.Identifier
} else {
identifier = "text/plain"
}
data := ResourceData{
Name: codegen.Goify(r.Name, true),
Identifier: identifier,
Description: r.Description,
Type: m,
CanonicalTemplate: codegen.CanonicalTemplate(r),
CanonicalParams: codegen.CanonicalParams(r),
}
return resWr.Execute(&data)
})
g.genfiles = append(g.genfiles, hrefFile)
if err != nil {
return err
}
return resWr.FormatCode()
}
func generate(pkgName, pkgPath string, c *cobra.Command) ([]string, error) {
m := make(map[string]string)
c.Flags().Visit(func(f *pflag.Flag) {
if f.Name != "pkg-path" {
m[f.Name] = f.Value.String()
}
})
if _, ok := m["out"]; !ok {
m["out"] = c.Flag("out").DefValue
}
// turn "out" into an absolute path
var err error
m["out"], err = filepath.Abs(m["out"])
if err != nil {
return nil, err
}
gen, err := meta.NewGenerator(
pkgName+".Generate",
[]*codegen.ImportSpec{codegen.SimpleImport(pkgPath)},
m,
)
if err != nil {
return nil, err
}
return gen.Generate()
}
func (g *Generator) generateCommands(commandsFile string, clientPkg string, funcs template.FuncMap, api *design.APIDefinition) error {
file, err := codegen.SourceFileFor(commandsFile)
if err != nil {
return err
}
commandTypesTmpl := template.Must(template.New("commandTypes").Funcs(funcs).Parse(commandTypesTmpl))
commandsTmpl := template.Must(template.New("commands").Funcs(funcs).Parse(commandsTmpl))
imports := []*codegen.ImportSpec{
codegen.SimpleImport("encoding/json"),
codegen.SimpleImport("fmt"),
codegen.SimpleImport(clientPkg),
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("github.com/spf13/cobra"),
codegen.NewImport("log", "gopkg.in/inconshreveable/log15.v2"),
}
if err := file.WriteHeader("", "main", imports); err != nil {
return err
}
g.genfiles = append(g.genfiles, commandsFile)
file.Write([]byte("type (\n"))
if err := api.IterateResources(func(res *design.ResourceDefinition) error {
return res.IterateActions(func(action *design.ActionDefinition) error {
return commandTypesTmpl.Execute(file, action)
})
}); err != nil {
return err
}
file.Write([]byte(")\n\n"))
if err := api.IterateResources(func(res *design.ResourceDefinition) error {
return res.IterateActions(func(action *design.ActionDefinition) error {
data := map[string]interface{}{
"Action": action,
"Resource": action.Parent,
"Version": design.Design.APIVersionDefinition,
}
return commandsTmpl.Execute(file, data)
})
}); err != nil {
return err
}
return file.FormatCode()
}
// generateUserTypes iterates through the user types and generates the data structures and
// marshaling code.
func (g *Generator) generateUserTypes(outdir string, api *design.APIDefinition) error {
var modelname, filename string
err := GormaDesign.IterateStores(func(store *RelationalStoreDefinition) error {
err := store.IterateModels(func(model *RelationalModelDefinition) error {
modelname = strings.ToLower(codegen.Goify(model.ModelName, false))
filename = fmt.Sprintf("%s.go", modelname)
utFile := filepath.Join(outdir, filename)
err := os.RemoveAll(utFile)
if err != nil {
fmt.Println(err)
}
utWr, err := NewUserTypesWriter(utFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Models", api.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport(g.appPkgPath),
codegen.SimpleImport("time"),
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("github.com/jinzhu/gorm"),
codegen.SimpleImport("golang.org/x/net/context"),
codegen.SimpleImport("golang.org/x/net/context"),
codegen.SimpleImport("github.com/goadesign/goa/uuid"),
}
if model.Cached {
imp := codegen.NewImport("cache", "github.com/patrickmn/go-cache")
imports = append(imports, imp)
imp = codegen.SimpleImport("strconv")
imports = append(imports, imp)
}
utWr.WriteHeader(title, g.target, imports)
data := &UserTypeTemplateData{
APIDefinition: api,
UserType: model,
DefaultPkg: g.target,
AppPkg: g.appPkgPath,
}
err = utWr.Execute(data)
g.genfiles = append(g.genfiles, utFile)
if err != nil {
fmt.Println(err)
return err
}
err = utWr.FormatCode()
if err != nil {
fmt.Println(err)
}
return err
})
return err
})
return err
}
// Run simply calls the meta generator.
func (c *Command) Run() ([]string, error) {
gen := meta.NewGenerator(
"genjs.Generate",
[]*codegen.ImportSpec{codegen.SimpleImport("github.com/goadesign/goa/goagen/gen_js")},
nil,
)
return gen.Generate()
}
// Run simply calls the meta generator.
func (c *Command) Run() ([]string, error) {
flags := map[string]string{"pkg": TargetPackage}
gen := meta.NewGenerator(
"genapp.Generate",
[]*codegen.ImportSpec{codegen.SimpleImport("github.com/goadesign/goa/goagen/gen_app")},
flags,
)
return gen.Generate()
}
// Run simply calls the meta generator.
func (c *Command) Run() ([]string, error) {
flags := map[string]string{"url": ServiceURL}
gen := meta.NewGenerator(
"genschema.Generate",
[]*codegen.ImportSpec{codegen.SimpleImport("github.com/goadesign/goa/goagen/gen_schema")},
flags,
)
return gen.Generate()
}
// Run simply calls the meta generator.
func (c *Command) Run() ([]string, error) {
flags := map[string]string{"name": AppName}
gen := meta.NewGenerator(
"genmain.Generate",
[]*codegen.ImportSpec{codegen.SimpleImport("github.com/goadesign/goa/goagen/gen_main")},
flags,
)
return gen.Generate()
}
func (g *Generator) generateMain(mainFile string, clientPkg string, funcs template.FuncMap, api *design.APIDefinition) error {
imports := []*codegen.ImportSpec{
codegen.SimpleImport("encoding/json"),
codegen.SimpleImport("fmt"),
codegen.SimpleImport("io/ioutil"),
codegen.SimpleImport("net/http"),
codegen.SimpleImport("os"),
codegen.SimpleImport("time"),
codegen.SimpleImport(clientPkg),
codegen.SimpleImport("github.com/spf13/cobra"),
}
for _, pkg := range SignerPackages {
imports = append(imports, codegen.SimpleImport(pkg))
}
file, err := codegen.SourceFileFor(mainFile)
if err != nil {
return err
}
if err := file.WriteHeader("", "main", imports); err != nil {
return err
}
g.genfiles = append(g.genfiles, mainFile)
data := map[string]interface{}{
"API": api,
"Signers": Signers,
"Version": Version,
}
if err := file.ExecuteTemplate("main", mainTmpl, nil, data); err != nil {
return err
}
actions := make(map[string][]*design.ActionDefinition)
api.IterateResources(func(res *design.ResourceDefinition) error {
return res.IterateActions(func(action *design.ActionDefinition) error {
if as, ok := actions[action.Name]; ok {
actions[action.Name] = append(as, action)
} else {
actions[action.Name] = []*design.ActionDefinition{action}
}
return nil
})
})
if err := file.ExecuteTemplate("registerCmds", registerCmdsT, nil, actions); err != nil {
return err
}
return file.FormatCode()
}
// generateContexts iterates through the API resources and actions and generates the action
// contexts.
func (g *Generator) generateContexts() error {
ctxFile := filepath.Join(g.OutDir, "contexts.go")
ctxWr, err := NewContextsWriter(ctxFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Contexts", g.API.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("fmt"),
codegen.SimpleImport("golang.org/x/net/context"),
codegen.SimpleImport("strconv"),
codegen.SimpleImport("strings"),
codegen.SimpleImport("time"),
codegen.SimpleImport("unicode/utf8"),
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.NewImport("uuid", "github.com/satori/go.uuid"),
}
g.genfiles = append(g.genfiles, ctxFile)
ctxWr.WriteHeader(title, g.Target, imports)
err = g.API.IterateResources(func(r *design.ResourceDefinition) error {
return r.IterateActions(func(a *design.ActionDefinition) error {
ctxName := codegen.Goify(a.Name, true) + codegen.Goify(a.Parent.Name, true) + "Context"
headers := r.Headers.Merge(a.Headers)
if headers != nil && len(headers.Type.ToObject()) == 0 {
headers = nil // So that {{if .Headers}} returns false in templates
}
params := a.AllParams()
if params != nil && len(params.Type.ToObject()) == 0 {
params = nil // So that {{if .Params}} returns false in templates
}
non101 := make(map[string]*design.ResponseDefinition)
for k, v := range a.Responses {
if v.Status != 101 {
non101[k] = v
}
}
ctxData := ContextTemplateData{
Name: ctxName,
ResourceName: r.Name,
ActionName: a.Name,
Payload: a.Payload,
Params: params,
Headers: headers,
Routes: a.Routes,
Responses: non101,
API: g.API,
DefaultPkg: g.Target,
Security: a.Security,
}
return ctxWr.Execute(&ctxData)
})
})
if err != nil {
return err
}
return ctxWr.FormatCode()
}
// generateMediaTypes iterates through the media types and generate the data structures and
// marshaling code.
func (g *Generator) generateMediaTypes(pkgDir string, funcs template.FuncMap) error {
funcs["decodegotyperef"] = decodeGoTypeRef
funcs["decodegotypename"] = decodeGoTypeName
typeDecodeTmpl := template.Must(template.New("typeDecode").Funcs(funcs).Parse(typeDecodeTmpl))
mtFile := filepath.Join(pkgDir, "media_types.go")
mtWr, err := genapp.NewMediaTypesWriter(mtFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Media Types", g.API.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("fmt"),
codegen.SimpleImport("net/http"),
codegen.SimpleImport("time"),
codegen.SimpleImport("unicode/utf8"),
codegen.NewImport("uuid", "github.com/goadesign/goa/uuid"),
}
mtWr.WriteHeader(title, g.Target, imports)
err = g.API.IterateMediaTypes(func(mt *design.MediaTypeDefinition) error {
if (mt.Type.IsObject() || mt.Type.IsArray()) && !mt.IsError() {
if err := mtWr.Execute(mt); err != nil {
return err
}
}
err := mt.IterateViews(func(view *design.ViewDefinition) error {
p, _, err := mt.Project(view.Name)
if err != nil {
return err
}
if err := typeDecodeTmpl.Execute(mtWr.SourceFile, p); err != nil {
return err
}
return nil
})
return err
})
g.genfiles = append(g.genfiles, mtFile)
if err != nil {
return err
}
return mtWr.FormatCode()
}
// Generate produces the skeleton main.
func (g *Generator) Generate(api *design.APIDefinition) (_ []string, err error) {
go utils.Catch(nil, func() { g.Cleanup() })
defer func() {
if err != nil {
g.Cleanup()
}
}()
os.RemoveAll(JSONSchemaDir())
os.MkdirAll(JSONSchemaDir(), 0755)
g.genfiles = append(g.genfiles, JSONSchemaDir())
s := APISchema(api)
js, err := s.JSON()
if err != nil {
return
}
schemaFile := filepath.Join(JSONSchemaDir(), "schema.json")
if err = ioutil.WriteFile(schemaFile, js, 0644); err != nil {
return
}
g.genfiles = append(g.genfiles, schemaFile)
controllerFile := filepath.Join(JSONSchemaDir(), "schema.go")
file, err := codegen.SourceFileFor(controllerFile)
if err != nil {
return
}
imports := []*codegen.ImportSpec{
codegen.SimpleImport("github.com/julienschmidt/httprouter"),
codegen.SimpleImport("github.com/goadesign/goa"),
}
g.genfiles = append(g.genfiles, controllerFile)
file.WriteHeader(fmt.Sprintf("%s JSON Hyper-schema", api.Name), "schema", imports)
file.Write([]byte(jsonSchemaCtrl))
if err = file.FormatCode(); err != nil {
return
}
return g.genfiles, nil
}
// Generate produces the skeleton main.
func (g *Generator) Generate(api *design.APIDefinition) (_ []string, err error) {
var genfiles []string
cleanup := func() {
for _, f := range genfiles {
os.Remove(f)
}
}
go utils.Catch(nil, cleanup)
defer func() {
if err != nil {
cleanup()
}
}()
s, err := New(api)
if err != nil {
return
}
b, err := json.Marshal(s)
if err != nil {
return
}
swaggerDir := filepath.Join(codegen.OutputDir, "swagger")
os.RemoveAll(swaggerDir)
if err = os.MkdirAll(swaggerDir, 0755); err != nil {
return
}
genfiles = append(genfiles, swaggerDir)
swaggerFile := filepath.Join(swaggerDir, "swagger.json")
err = ioutil.WriteFile(swaggerFile, b, 0644)
if err != nil {
return
}
genfiles = append(genfiles, swaggerFile)
controllerFile := filepath.Join(swaggerDir, "swagger.go")
genfiles = append(genfiles, controllerFile)
file, err := codegen.SourceFileFor(controllerFile)
if err != nil {
return
}
imports := []*codegen.ImportSpec{
codegen.SimpleImport("github.com/goadesign/goa"),
}
file.WriteHeader(fmt.Sprintf("%s Swagger Spec", api.Name), "swagger", imports)
file.Write([]byte(swagger))
if err = file.FormatCode(); err != nil {
return
}
return genfiles, nil
}
// Run simply calls the meta generator.
func (c *Command) Run() ([]string, error) {
if GenPkgName == "" {
GenPkgName = filepath.ToSlash(filepath.Base(GenPkgPath))
}
gen := meta.NewGenerator(
fmt.Sprintf("%s.Generate", GenPkgName),
[]*codegen.ImportSpec{codegen.SimpleImport(GenPkgPath)},
nil,
)
return gen.Generate()
}
// generateUserTypes iterates through the user types and generates the data structures and
// marshaling code.
func (g *Generator) generateUserTypes(api *design.APIDefinition) error {
utFile := filepath.Join(AppOutputDir(), "user_types.go")
utWr, err := NewUserTypesWriter(utFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application User Types", api.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("fmt"),
codegen.SimpleImport("time"),
}
utWr.WriteHeader(title, TargetPackage, imports)
err = api.IterateUserTypes(func(t *design.UserTypeDefinition) error {
return utWr.Execute(t)
})
g.genfiles = append(g.genfiles, utFile)
if err != nil {
return err
}
return utWr.FormatCode()
}
// generateUserTypes iterates through the user types and generates the data structures and
// marshaling code.
func (g *Generator) generateUserTypes(pkgDir string) error {
utFile := filepath.Join(pkgDir, "user_types.go")
utWr, err := genapp.NewUserTypesWriter(utFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application User Types", g.API.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("fmt"),
codegen.SimpleImport("time"),
codegen.SimpleImport("unicode/utf8"),
}
utWr.WriteHeader(title, g.Target, imports)
err = g.API.IterateUserTypes(func(t *design.UserTypeDefinition) error {
return utWr.Execute(t)
})
g.genfiles = append(g.genfiles, utFile)
if err != nil {
return err
}
return utWr.FormatCode()
}
func (g *Generator) generateClient(clientFile string, clientPkg string, funcs template.FuncMap, api *design.APIDefinition) error {
file, err := codegen.SourceFileFor(clientFile)
if err != nil {
return err
}
clientTmpl := template.Must(template.New("client").Funcs(funcs).Parse(clientTmpl))
imports := []*codegen.ImportSpec{
codegen.SimpleImport("net/http"),
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("github.com/spf13/cobra"),
}
if err := file.WriteHeader("", "client", imports); err != nil {
return err
}
g.genfiles = append(g.genfiles, clientFile)
if err := clientTmpl.Execute(file, api); err != nil {
return err
}
return file.FormatCode()
}
func (g *Generator) generateExample(api *design.APIDefinition) error {
controllerFile := filepath.Join(codegen.OutputDir, "example.go")
file, err := codegen.SourceFileFor(controllerFile)
if err != nil {
return err
}
imports := []*codegen.ImportSpec{
codegen.SimpleImport("net/http"),
codegen.SimpleImport("github.com/julienschmidt/httprouter"),
codegen.SimpleImport("github.com/goadesign/goa"),
}
if err := file.WriteHeader(fmt.Sprintf("%s JavaScript Client Example", api.Name), "js", imports); err != nil {
return err
}
g.genfiles = append(g.genfiles, controllerFile)
data := map[string]interface{}{"ServeDir": codegen.OutputDir}
if err := file.ExecuteTemplate("examples", exampleCtrlT, nil, data); err != nil {
return err
}
return file.FormatCode()
}
// generateHrefs iterates through the version resources and generates the href factory methods.
func (g *Generator) generateHrefs(verdir string, version *design.APIVersionDefinition) error {
hrefFile := filepath.Join(verdir, "hrefs.go")
resWr, err := NewResourcesWriter(hrefFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Resource Href Factories", version.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("fmt"),
}
resWr.WriteHeader(title, packageName(version), imports)
err = version.IterateResources(func(r *design.ResourceDefinition) error {
if !r.SupportsVersion(version.Version) {
return nil
}
m := design.Design.MediaTypeWithIdentifier(r.MediaType)
var identifier string
if m != nil {
identifier = m.Identifier
} else {
identifier = "plain/text"
}
canoTemplate := r.URITemplate(version)
canoTemplate = design.WildcardRegex.ReplaceAllLiteralString(canoTemplate, "/%v")
var canoParams []string
if ca := r.CanonicalAction(); ca != nil {
if len(ca.Routes) > 0 {
canoParams = ca.Routes[0].Params(version)
}
}
data := ResourceData{
Name: codegen.Goify(r.Name, true),
Identifier: identifier,
Description: r.Description,
Type: m,
CanonicalTemplate: canoTemplate,
CanonicalParams: canoParams,
}
return resWr.Execute(&data)
})
g.genfiles = append(g.genfiles, hrefFile)
if err != nil {
return err
}
return resWr.FormatCode()
}
// generateContexts iterates through the API resources and actions and generates the action
// contexts.
func (g *Generator) generateContexts(api *design.APIDefinition) error {
ctxFile := filepath.Join(AppOutputDir(), "contexts.go")
ctxWr, err := NewContextsWriter(ctxFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Contexts", api.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("fmt"),
codegen.SimpleImport("golang.org/x/net/context"),
codegen.SimpleImport("strconv"),
codegen.SimpleImport("strings"),
codegen.SimpleImport("time"),
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.NewImport("uuid", "github.com/satori/go.uuid"),
}
ctxWr.WriteHeader(title, TargetPackage, imports)
err = api.IterateResources(func(r *design.ResourceDefinition) error {
return r.IterateActions(func(a *design.ActionDefinition) error {
ctxName := codegen.Goify(a.Name, true) + codegen.Goify(a.Parent.Name, true) + "Context"
headers := r.Headers.Merge(a.Headers)
if headers != nil && len(headers.Type.ToObject()) == 0 {
headers = nil // So that {{if .Headers}} returns false in templates
}
params := a.AllParams()
if params != nil && len(params.Type.ToObject()) == 0 {
params = nil // So that {{if .Params}} returns false in templates
}
ctxData := ContextTemplateData{
Name: ctxName,
ResourceName: r.Name,
ActionName: a.Name,
Payload: a.Payload,
Params: params,
Headers: headers,
Routes: a.Routes,
Responses: BuildResponses(r.Responses, a.Responses),
API: api,
DefaultPkg: TargetPackage,
Security: a.Security,
}
return ctxWr.Execute(&ctxData)
})
})
g.genfiles = append(g.genfiles, ctxFile)
if err != nil {
return err
}
return ctxWr.FormatCode()
}