/
s3_templates_provider.go
46 lines (40 loc) · 1.03 KB
/
s3_templates_provider.go
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package templates
import (
"fmt"
"io"
"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/pkg/errors"
)
func NewS3TemplatesProvider(cfg *aws.Config, bucket string) TemplatesProvider {
sess := session.Must(session.NewSession(cfg))
return &s3TemplatesProvider{
svc: s3.New(sess),
bucket: bucket,
}
}
type s3TemplatesProvider struct {
svc *s3.S3
bucket string
}
func (s *s3TemplatesProvider) GetTemplate(topic, channel, locale string) (raw []byte, errClose error) {
key := fmt.Sprintf("templates/%s-%s-%s", channel, topic, locale)
file, err := s.svc.GetObject(&s3.GetObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
})
if err != nil {
return nil, errors.Wrap(err, "failed to get template file object")
}
defer func() {
if err := file.Body.Close(); err != nil {
errClose = err
}
}()
raw, err = io.ReadAll(file.Body)
if err != nil {
return nil, errors.Wrap(err, "failed to read the file body")
}
return raw, nil
}