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repository_tag_printer.go
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repository_tag_printer.go
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// Copyright 2020-2024 Buf Technologies, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package bufprint
import (
"context"
"encoding/json"
"fmt"
"io"
"time"
registryv1alpha1 "github.com/bufbuild/buf/private/gen/proto/go/buf/alpha/registry/v1alpha1"
)
type repositoryTagPrinter struct {
writer io.Writer
}
func newRepositoryTagPrinter(
writer io.Writer,
) *repositoryTagPrinter {
return &repositoryTagPrinter{
writer: writer,
}
}
func (p *repositoryTagPrinter) PrintRepositoryTag(ctx context.Context, format Format, message *registryv1alpha1.RepositoryTag) error {
outRepositoryTag := registryTagToOutputTag(message)
switch format {
case FormatText:
return p.printRepositoryTagsText([]outputRepositoryTag{outRepositoryTag})
case FormatJSON:
return json.NewEncoder(p.writer).Encode(outRepositoryTag)
default:
return fmt.Errorf("unknown format: %v", format)
}
}
func (p *repositoryTagPrinter) PrintRepositoryTags(ctx context.Context, format Format, nextPageToken string, messages ...*registryv1alpha1.RepositoryTag) error {
if len(messages) == 0 {
return nil
}
outputRepositoryTags := registryTagsToOutputTags(messages)
switch format {
case FormatText:
return p.printRepositoryTagsText(outputRepositoryTags)
case FormatJSON:
return json.NewEncoder(p.writer).Encode(paginationWrapper{
NextPage: nextPageToken,
Results: outputRepositoryTags,
})
default:
return fmt.Errorf("unknown format: %v", format)
}
}
func (p *repositoryTagPrinter) printRepositoryTagsText(outputRepositoryTags []outputRepositoryTag) error {
return WithTabWriter(
p.writer,
[]string{
"Name",
"Commit",
"Created",
},
func(tabWriter TabWriter) error {
for _, outputRepositoryTag := range outputRepositoryTags {
if err := tabWriter.Write(
outputRepositoryTag.Name,
outputRepositoryTag.Commit,
outputRepositoryTag.CreateTime.Format(time.RFC3339),
); err != nil {
return err
}
}
return nil
},
)
}
type outputRepositoryTag struct {
ID string `json:"id,omitempty"`
Name string `json:"name,omitempty"`
Commit string `json:"commit,omitempty"`
CreateTime time.Time `json:"create_time,omitempty"`
}
func registryTagToOutputTag(repositoryTag *registryv1alpha1.RepositoryTag) outputRepositoryTag {
return outputRepositoryTag{
Name: repositoryTag.Name,
Commit: repositoryTag.CommitName,
CreateTime: repositoryTag.CreateTime.AsTime(),
}
}
func registryTagsToOutputTags(tags []*registryv1alpha1.RepositoryTag) []outputRepositoryTag {
outputRepositoryTags := make([]outputRepositoryTag, len(tags))
for i, repositoryTag := range tags {
outputRepositoryTags[i] = registryTagToOutputTag(repositoryTag)
}
return outputRepositoryTags
}