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mapper.go
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/
mapper.go
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package types
import (
"fmt"
"github.com/rancher/norman/types/convert"
"github.com/rancher/norman/types/definition"
"github.com/rancher/norman/types/values"
)
type Mapper interface {
FromInternal(data map[string]interface{})
ToInternal(data map[string]interface{}) error
ModifySchema(schema *Schema, schemas *Schemas) error
}
type Mappers []Mapper
func (m Mappers) FromInternal(data map[string]interface{}) {
for _, mapper := range m {
mapper.FromInternal(data)
}
}
func (m Mappers) ToInternal(data map[string]interface{}) error {
var errors []error
for i := len(m) - 1; i >= 0; i-- {
errors = append(errors, m[i].ToInternal(data))
}
return NewErrors(errors...)
}
func (m Mappers) ModifySchema(schema *Schema, schemas *Schemas) error {
for _, mapper := range m {
if err := mapper.ModifySchema(schema, schemas); err != nil {
return err
}
}
return nil
}
type typeMapper struct {
Mappers []Mapper
root bool
typeName string
subSchemas map[string]*Schema
subArraySchemas map[string]*Schema
subMapSchemas map[string]*Schema
}
func (t *typeMapper) FromInternal(data map[string]interface{}) {
name, _ := values.GetValueN(data, "metadata", "name").(string)
namespace, _ := values.GetValueN(data, "metadata", "namespace").(string)
for fieldName, schema := range t.subSchemas {
if schema.Mapper == nil {
continue
}
fieldData, _ := data[fieldName].(map[string]interface{})
schema.Mapper.FromInternal(fieldData)
}
for fieldName, schema := range t.subMapSchemas {
if schema.Mapper == nil {
continue
}
datas, _ := data[fieldName].(map[string]interface{})
for _, fieldData := range datas {
mapFieldData, _ := fieldData.(map[string]interface{})
schema.Mapper.FromInternal(mapFieldData)
}
}
for fieldName, schema := range t.subArraySchemas {
if schema.Mapper == nil {
continue
}
datas, _ := data[fieldName].([]interface{})
for _, fieldData := range datas {
mapFieldData, _ := fieldData.(map[string]interface{})
schema.Mapper.FromInternal(mapFieldData)
}
}
if _, ok := data["type"]; !ok && data != nil {
data["type"] = t.typeName
}
Mappers(t.Mappers).FromInternal(data)
if data != nil && t.root {
if _, ok := data["id"]; ok {
if namespace != "" {
id, _ := data["id"].(string)
data["id"] = namespace + ":" + id
}
} else {
if name != "" {
if namespace == "" {
data["id"] = name
} else {
data["id"] = namespace + ":" + name
}
}
}
}
if _, ok := data["type"]; !ok && data != nil {
if _, ok := data["id"]; ok {
data["type"] = t.typeName
}
}
}
func (t *typeMapper) ToInternal(data map[string]interface{}) error {
errors := Errors{}
errors.Add(Mappers(t.Mappers).ToInternal(data))
for fieldName, schema := range t.subArraySchemas {
if schema.Mapper == nil {
continue
}
datas, _ := data[fieldName].([]interface{})
for _, fieldData := range datas {
errors.Add(schema.Mapper.ToInternal(convert.ToMapInterface(fieldData)))
}
}
for fieldName, schema := range t.subMapSchemas {
if schema.Mapper == nil {
continue
}
datas, _ := data[fieldName].(map[string]interface{})
for _, fieldData := range datas {
errors.Add(schema.Mapper.ToInternal(convert.ToMapInterface(fieldData)))
}
}
for fieldName, schema := range t.subSchemas {
if schema.Mapper == nil {
continue
}
fieldData, _ := data[fieldName].(map[string]interface{})
errors.Add(schema.Mapper.ToInternal(fieldData))
}
return errors.Err()
}
func (t *typeMapper) ModifySchema(schema *Schema, schemas *Schemas) error {
t.subSchemas = map[string]*Schema{}
t.subArraySchemas = map[string]*Schema{}
t.subMapSchemas = map[string]*Schema{}
t.typeName = fmt.Sprintf("%s/schemas/%s", schema.Version.Path, schema.ID)
mapperSchema := schema
if schema.InternalSchema != nil {
mapperSchema = schema.InternalSchema
}
for name, field := range mapperSchema.ResourceFields {
fieldType := field.Type
targetMap := t.subSchemas
if definition.IsArrayType(fieldType) {
fieldType = definition.SubType(fieldType)
targetMap = t.subArraySchemas
} else if definition.IsMapType(fieldType) {
fieldType = definition.SubType(fieldType)
targetMap = t.subMapSchemas
}
schema := schemas.Schema(&schema.Version, fieldType)
if schema != nil {
targetMap[name] = schema
}
}
return Mappers(t.Mappers).ModifySchema(schema, schemas)
}