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service.tmpl
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service.tmpl
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// Code generated by go generate via cmd/definitions; DO NOT EDIT.
package {{ .Name }}
import (
"context"
"io"
"github.com/beyondstorage/go-storage/v4/pkg/httpclient"
"github.com/beyondstorage/go-storage/v4/services"
. "github.com/beyondstorage/go-storage/v4/types"
)
var _ Storager
var _ services.ServiceError
var _ httpclient.Options
// Type is the type for {{ .Name }}
const Type = "{{ .Name }}"
// ObjectSystemMetadata stores system metadata for object.
type ObjectSystemMetadata struct {
{{- range $_, $v := .Infos }}
{{- if eq $v.Scope "object" }}
{{- if not $v.Global }}
{{- $pname := $v.Name | toPascal }}
{{- if $v.DisplayName }}
{{- $pname = $v.DisplayName }}
{{- end }}
{{ $v.Description }}
{{ $pname }} {{ $v.Type }}
{{- end }}
{{- end }}
{{- end }}
}
// GetObjectSystemMetadata will get ObjectSystemMetadata from Object.
//
// - This function should not be called by service implementer.
// - The returning ObjectServiceMetadata is read only and should not be modified.
func GetObjectSystemMetadata(o *Object) ObjectSystemMetadata {
sm, ok := o.GetSystemMetadata()
if ok {
return sm.(ObjectSystemMetadata)
}
return ObjectSystemMetadata{}
}
// setObjectSystemMetadata will set ObjectSystemMetadata into Object.
//
// - This function should only be called once, please make sure all data has been written before set.
func setObjectSystemMetadata(o *Object, sm ObjectSystemMetadata) {
o.SetSystemMetadata(sm)
}
// StorageSystemMetadata stores system metadata for storage meta.
type StorageSystemMetadata struct {
{{- range $_, $v := .Infos }}
{{- if eq $v.Scope "storage" }}
{{- if not $v.Global }}
{{- $pname := $v.Name | toPascal }}
{{- if $v.DisplayName }}
{{- $pname = $v.DisplayName }}
{{- end }}
{{ $v.Description }}
{{ $pname }} {{ $v.Type }}
{{- end }}
{{- end }}
{{- end }}
}
// GetStorageSystemMetadata will get SystemMetadata from StorageMeta.
//
// - The returning StorageSystemMetadata is read only and should not be modified.
func GetStorageSystemMetadata(s *StorageMeta) StorageSystemMetadata {
sm, ok := s.GetSystemMetadata()
if ok {
return sm.(StorageSystemMetadata)
}
return StorageSystemMetadata{}
}
// setStorageSystemMetadata will set SystemMetadata into StorageMeta.
//
// - This function should only be called once, please make sure all data has been written before set.
func setStorageSystemMetadata(s *StorageMeta, sm StorageSystemMetadata) {
s.SetSystemMetadata(sm)
}
{{- range $_, $v := .Pairs }}
{{- if not $v.Global }}
{{- $pname := $v.Name | toPascal }}
{{- if $v.Conflict }}
// Deprecated: Use pairs.With{{ $pname }} instead.
//
{{- end }}
// With{{ $pname }} will apply {{ $v.Name }} value to Options.
//
{{ $v.Description }}
func With{{ $pname }}(v {{ $v.Type }}) Pair {
return Pair{
Key: "{{ $v.Name }}",
Value: v,
}
}
{{- end }}
{{- end }}
var pairMap = map[string]string {
{{- range $_, $v := .Pairs }}
{{- $pname := $v.Name | toPascal }}
"{{ $v.Name }}": "{{ $v.Type }}",
{{- end }}
}
{{- range $_, $v := .Namespaces }}
{{- template "interfaces" makeSlice $v.Name $v.Interfaces }}
{{- template "features" makeSlice $v.Name $v.Funcs $v.Features }}
{{- template "pair_new" makeSlice ( $v.Name | toPascal ) $v.New }}
{{- template "pairs" makeSlice $v $v.Funcs }}
{{- template "functions" makeSlice $v.Name $v.Funcs }}
{{- end }}
{{- define "interfaces" }}
{{- $pn := index . 0 }}
{{- $inters := index . 1 }}
var (
{{- range $_, $v := $inters }}
_ {{ $v.Name | toPascal }} = &{{ $pn | toPascal }}{}
{{- end }}
)
{{- end }}
{{- define "features" }}
{{- $pn := index . 0 | toPascal }}
{{- $fns := index . 1 }}
{{- $fs := index . 2 }}
type {{ $pn }}Features struct {
{{- range $_, $v := $fs }}
{{ $v.Description }}
{{ $v.Name | toPascal }} bool
{{- end }}
}
{{- end }}
{{- define "pair_new" }}
{{- $pn := index . 0 }}
{{- $fn := index . 1 }}
{{- $fnk := $fn.Name | toPascal }}
// pair{{ $pn }}{{ $fnk }} is the parsed struct
type pair{{ $pn }}{{$fnk}} struct {
pairs []Pair
// Required pairs
{{- range $_, $pair := $fn.Required }}
Has{{ $pair.Name | toPascal }} bool
{{ $pair.Name | toPascal }} {{ $pair.Type }}
{{- end }}
// Optional pairs
{{- range $_, $pair := $fn.Optional }}
Has{{ $pair.Name | toPascal }} bool
{{ $pair.Name | toPascal }} {{ $pair.Type }}
{{- end }}
}
// parsePair{{ $pn }}{{ $fnk }} will parse Pair slice into *pair{{ $pn }}{{ $fnk }}
func parsePair{{ $pn }}{{ $fnk }}(opts []Pair) (pair{{ $pn }}{{ $fnk }}, error) {
result := pair{{ $pn }}{{ $fnk }}{
pairs: opts,
}
for _, v := range opts {
switch v.Key {
// Required pairs
{{- range $_, $pair := $fn.Required }}
case "{{ $pair.Name }}":
if result.Has{{ $pair.Name | toPascal }} {
continue
}
result.Has{{ $pair.Name | toPascal }} = true
result.{{ $pair.Name | toPascal }} = v.Value.({{ $pair.Type }})
{{- end }}
// Optional pairs
{{- range $_, $pair := $fn.Optional }}
case "{{ $pair.Name }}":
if result.Has{{ $pair.Name | toPascal }} {
continue
}
result.Has{{ $pair.Name | toPascal }} = true
result.{{ $pair.Name | toPascal }} = v.Value.({{ $pair.Type }})
{{- end }}
}
}
{{- range $_, $pair := $fn.Required }}
if !result.Has{{ $pair.Name | toPascal }} {
return pair{{ $pn }}{{ $fnk }}{}, services.PairRequiredError{ Keys:[]string{ "{{ $pair.Name }}" } }
}
{{- end }}
return result, nil
}
{{- end }}
{{- define "pairs" }}
{{- $pn := index . 0 }}
{{- $data := index . 1 }}
{{- $pnk := $pn.Name | toPascal }}
// Default{{ $pnk }}Pairs is default pairs for specific action
type Default{{ $pnk }}Pairs struct {
{{- range $_, $v := $data }}
{{ $v.Name | toPascal }} []Pair
{{- end }}
}
{{- range $_, $v := $data }}
{{- template "pair" makeSlice $pn $v}}
{{- end }}
{{- end }}
{{- define "pair" }}
{{- $pn := index . 0 }}
{{- $fn := index . 1 }}
{{- $pnk := $pn.Name | toPascal }}
{{- $fnk := $fn.Name | toPascal }}
// pair{{ $pnk }}{{ $fnk }} is the parsed struct
type pair{{ $pnk }}{{ $fnk }} struct {
pairs []Pair
{{- range $_, $pair := $fn.Required }}
Has{{ $pair.Name | toPascal }} bool
{{ $pair.Name | toPascal }} {{ $pair.Type }}
{{- end }}
{{- range $_, $pair := $fn.Optional }}
Has{{ $pair.Name | toPascal }} bool
{{ $pair.Name | toPascal }} {{ $pair.Type }}
{{- end }}
}
// parsePair{{ $pnk }}{{ $fnk }} will parse Pair slice into *pair{{ $pnk }}{{ $fnk }}
func (s *{{ $pnk }})parsePair{{ $pnk }}{{ $fnk }}(opts []Pair) (pair{{ $pnk }}{{ $fnk }}, error) {
result := pair{{ $pnk }}{{ $fnk }}{
pairs: opts,
}
for _, v := range opts {
switch v.Key {
{{- range $_, $pair := $fn.Required }}
case "{{ $pair.Name }}":
if result.Has{{ $pair.Name | toPascal }} {
continue
}
result.Has{{ $pair.Name | toPascal }} = true
result.{{ $pair.Name | toPascal }} = v.Value.({{ $pair.Type }})
continue
{{- end }}
{{- range $_, $pair := $fn.Optional }}
case "{{ $pair.Name }}":
if result.Has{{ $pair.Name | toPascal }} {
continue
}
result.Has{{ $pair.Name | toPascal }} = true
result.{{ $pair.Name | toPascal }} = v.Value.({{ $pair.Type }})
continue
{{- end }}
default:
{{- if $pn.HasFeatureLoosePair }}
// loose_pair feature introduced in GSP-109.
// If user enable this feature, service should ignore not support pair error.
if s.features.LoosePair {
continue
}
{{- end }}
return pair{{ $pnk }}{{ $fnk }}{}, services.PairUnsupportedError{Pair:v}
}
}
// Check required pairs.
{{- range $_, $pair := $fn.Required }}
if !result.Has{{ $pair.Name | toPascal }} {
return pair{{ $pnk }}{{ $fnk }}{}, services.PairRequiredError{ Keys:[]string{ "{{ $pair.Name }}" } }
}
{{- end }}
return result, nil
}
{{- end }}
{{- define "functions" }}
{{- $pn := index . 0 | toPascal }}
{{- $data := index . 1 }}
{{- range $_, $v := $data }}
{{- if $v.Local }}
{{- template "local_function" makeSlice $pn $v}}
{{- else }}
{{- template "function" makeSlice $pn $v}}
{{- end }}
{{- end }}
{{- end }}
{{- define "function" }}
{{- $pn := index . 0 }}
{{- $fn := index . 1 }}
{{ $fnk := $fn.Name | toPascal }}
// {{ $fnk }} {{ $fn.Description }}
//
// This function will create a context by default.
func (s *{{$pn}}) {{ $fnk }}({{$fn.Params.String}}) ({{$fn.Results.String}}) {
ctx := context.Background()
return s.{{ $fnk }}WithContext(ctx, {{$fn.Params.Caller}})
}
// {{ $fnk }}WithContext {{ $fn.Description }}
func (s *{{$pn}}) {{ $fnk }}WithContext(ctx context.Context, {{$fn.Params.String}}) ({{$fn.Results.String}}) {
defer func(){
{{- $path := $fn.Params.PathCaller }}
{{- if and (eq $path "") (eq $pn "Service") }}
{{ $path = ",\"\"" }}
{{- end }}
err = s.formatError("{{$fn.Name}}", err {{ $path }} )
}()
{{- if ne $fn.ObjectMode "" }}
{{- $mode := $fn.ObjectMode | toPascal }}
if !o.Mode.Is{{ $mode }}() {
err = services.ObjectModeInvalidError{Expected: Mode{{ $mode }}, Actual: o.Mode}
return
}
{{- end }}
pairs = append(pairs, s.defaultPairs.{{ $fnk }}...)
var opt pair{{ $pn }}{{ $fnk }}
opt, err = s.parsePair{{ $pn }}{{ $fnk }}(pairs)
if err != nil {
return
}
return s.{{ $fn.Name | toCamel }}(ctx, {{$fn.Params.TrimLast.CallerEndswithComma}} opt)
}
{{- end }}
{{- define "local_function" }}
{{- $pn := index . 0 }}
{{- $fn := index . 1 }}
{{ $fnk := $fn.Name | toPascal }}
// {{ $fnk }} {{ $fn.Description }}
//
// This function will create a context by default.
func (s *{{$pn}}) {{ $fnk }}({{$fn.Params.String}}) ({{$fn.Results.String}}) {
pairs = append(pairs, s.defaultPairs.{{ $fnk }}...)
var opt pair{{ $pn }}{{ $fnk }}
// Ignore error while handling local funtions.
opt, _ = s.parsePair{{ $pn }}{{ $fnk }}(pairs)
return s.{{ $fn.Name | toCamel }}({{$fn.Params.TrimLast.CallerEndswithComma}} opt)
}
{{- end }}
func init() {
{{- range $_, $v := .Namespaces }}
services.Register{{ $v.Name | toPascal }}r(Type, New{{ $v.Name | toPascal }}r)
{{- end }}
services.RegisterSchema(Type, pairMap)
}