// 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()
}
func (g *Generator) generateClientResources(clientPkg string, funcs template.FuncMap, api *design.APIDefinition) error {
userTypeTmpl := template.Must(template.New("userType").Funcs(funcs).Parse(userTypeTmpl))
typeDecodeTmpl := template.Must(template.New("typeDecode").Funcs(funcs).Parse(typeDecodeTmpl))
err := api.IterateResources(func(res *design.ResourceDefinition) error {
return g.generateResourceClient(res, funcs)
})
if err != nil {
return err
}
types := make(map[string]*design.UserTypeDefinition)
for _, res := range api.Resources {
for n, ut := range res.UserTypes() {
types[n] = ut
}
}
filename := filepath.Join(codegen.OutputDir, typesFileName+".go")
file, err := codegen.SourceFileFor(filename)
if err != nil {
return err
}
imports := []*codegen.ImportSpec{
codegen.SimpleImport("github.com/goadesign/goa"),
codegen.SimpleImport("fmt"),
codegen.SimpleImport("io"),
codegen.SimpleImport("time"),
codegen.NewImport("uuid", "github.com/satori/go.uuid"),
}
if err := file.WriteHeader("User Types", "client", imports); err != nil {
return err
}
g.genfiles = append(g.genfiles, filename)
// Generate user and media types used by action payloads and parameters
err = api.IterateUserTypes(func(userType *design.UserTypeDefinition) error {
if _, ok := g.generatedTypes[userType.TypeName]; ok {
return nil
}
if _, ok := types[userType.TypeName]; ok {
g.generatedTypes[userType.TypeName] = true
return userTypeTmpl.Execute(file, userType)
}
return nil
})
if err != nil {
return err
}
// Generate media types used by action responses and their load helpers
err = api.IterateResources(func(res *design.ResourceDefinition) error {
return res.IterateActions(func(a *design.ActionDefinition) error {
return a.IterateResponses(func(r *design.ResponseDefinition) error {
if mt := api.MediaTypeWithIdentifier(r.MediaType); mt != nil {
if _, ok := g.generatedTypes[mt.TypeName]; !ok {
g.generatedTypes[mt.TypeName] = true
if !mt.IsBuiltIn() {
if err := userTypeTmpl.Execute(file, mt); err != nil {
return err
}
}
typeName := mt.TypeName
if mt.IsBuiltIn() {
elems := strings.Split(typeName, ".")
typeName = elems[len(elems)-1]
}
if err := typeDecodeTmpl.Execute(file, mt); err != nil {
return err
}
}
}
return nil
})
})
})
if err != nil {
return err
}
// Generate media types used in payloads but not in responses
err = api.IterateMediaTypes(func(mediaType *design.MediaTypeDefinition) error {
if mediaType.IsBuiltIn() {
return nil
}
if _, ok := g.generatedTypes[mediaType.TypeName]; ok {
return nil
}
if _, ok := types[mediaType.TypeName]; ok {
g.generatedTypes[mediaType.TypeName] = true
return userTypeTmpl.Execute(file, mediaType)
}
return nil
})
if err != nil {
return err
}
return file.FormatCode()
}