// 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"),
codegen.NewImport("uuid", "github.com/satori/go.uuid"),
}
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()
}
// 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()
}
// generateControllers iterates through the API resources and generates the low level
// controllers.
func (g *Generator) generateSecurity(api *design.APIDefinition) error {
if len(api.SecuritySchemes) == 0 {
return nil
}
secFile := filepath.Join(AppOutputDir(), "security.go")
secWr, err := NewSecurityWriter(secFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Security", 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, TargetPackage, 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(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
}
// 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()
}
// 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()
}
// generateControllers iterates through the API resources and generates the low level
// controllers.
func (g *Generator) generateControllers(api *design.APIDefinition) error {
ctlFile := filepath.Join(AppOutputDir(), "controllers.go")
ctlWr, err := NewControllersWriter(ctlFile)
if err != nil {
panic(err) // bug
}
title := fmt.Sprintf("%s: Application Controllers", api.Context())
imports := []*codegen.ImportSpec{
codegen.SimpleImport("net/http"),
codegen.SimpleImport("fmt"),
codegen.SimpleImport("golang.org/x/net/context"),
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("github.com/goadesign/goa/cors"),
}
encoders, err := BuildEncoders(api.Produces, true)
if err != nil {
return err
}
decoders, err := BuildEncoders(api.Consumes, false)
if err != nil {
return err
}
encoderImports := make(map[string]bool)
for _, data := range encoders {
encoderImports[data.PackagePath] = true
}
for _, data := range decoders {
encoderImports[data.PackagePath] = true
}
for packagePath := range encoderImports {
if packagePath != "github.com/goadesign/goa" {
imports = append(imports, codegen.SimpleImport(packagePath))
}
}
ctlWr.WriteHeader(title, TargetPackage, imports)
ctlWr.WriteInitService(encoders, decoders)
var controllersData []*ControllerTemplateData
err = api.IterateResources(func(r *design.ResourceDefinition) error {
data := &ControllerTemplateData{
API: api,
Resource: codegen.Goify(r.Name, true),
PreflightPaths: r.PreflightPaths(),
}
ierr := 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,
"Security": a.Security,
}
data.Actions = append(data.Actions, action)
return nil
})
if ierr != nil {
return ierr
}
if len(data.Actions) > 0 {
data.Encoders = encoders
data.Decoders = decoders
data.Origins = r.AllOrigins()
controllersData = append(controllersData, data)
}
return nil
})
if err != nil {
return err
}
g.genfiles = append(g.genfiles, ctlFile)
if err = ctlWr.Execute(controllersData); err != nil {
return err
}
return ctlWr.FormatCode()
}