/
list.go
60 lines (51 loc) · 1.43 KB
/
list.go
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package utils
import (
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/aws/aws-sdk-go/service/s3/s3iface"
)
type Bucket struct {
Client s3iface.S3API
Name string
Path string
}
func (bucket *Bucket) GetFiles() (files []s3File, err error) {
listObjectsInput := &s3.ListObjectsInput{Bucket: &bucket.Name}
if bucket.Path != "" {
listObjectsInput.Prefix = aws.String(bucket.Path)
}
fnCallback := func(p *s3.ListObjectsOutput, last bool) (shouldContinue bool) {
for _, s3Object := range p.Contents {
file := newBufferedFile(bucket.Name, string(*s3Object.Key))
files = append(files, file)
}
return true
}
err = bucket.Client.ListObjectsPages(listObjectsInput, fnCallback)
if err != nil {
fmt.Println("failed to list objects", err)
return
}
return
}
func NewBucket(client s3iface.S3API, bucketName string, path string) *Bucket {
return &Bucket{
Client: client,
Name: bucketName,
Path: path}
}
// ListObjects retrieves a list of files from a given
// bucket and return a s3File list.
func ListObjects(bucketName string, path string) (files []s3File, err error) {
if bucketName == "" {
fmt.Println("Bucket parameter cannot be blank")
return
}
sess, err := session.NewSession()
if err != nil {
fmt.Println("It was impossible to create an AWS session. Aborting")
}
return NewBucket(s3.New(sess), bucketName, path).GetFiles()
}