mirror of
https://github.com/rclone/rclone.git
synced 2024-12-02 05:14:55 +01:00
86 lines
2.4 KiB
Go
86 lines
2.4 KiB
Go
package acd
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io"
|
|
"net/http"
|
|
)
|
|
|
|
// ChangesService provides access to incemental changes in the Amazon Cloud Drive API.
|
|
//
|
|
// See: https://developer.amazon.com/public/apis/experience/cloud-drive/content/changes
|
|
type ChangesService struct {
|
|
client *Client
|
|
}
|
|
|
|
// A ChangeSet is collection of node changes as received from the Changes API
|
|
type ChangeSet struct {
|
|
Checkpoint string `json:"checkpoint"`
|
|
Nodes []*Node `json:"nodes"`
|
|
Reset bool `json:"reset"`
|
|
StatusCode int `json:"statusCode"`
|
|
End bool `json:"end"`
|
|
}
|
|
|
|
// ChangesOptions contains all possible arguments for the Changes API
|
|
type ChangesOptions struct {
|
|
Checkpoint string `json:"checkpoint,omitempty"`
|
|
ChunkSize int `json:"chunkSize,omitempty"`
|
|
MaxNodes int `json:"maxNodes,omitempty"`
|
|
IncludePurged bool `json:"includePurged,omitempty,string"`
|
|
}
|
|
|
|
// GetChanges returns all the changes since opts.Checkpoint
|
|
func (s *ChangesService) GetChanges(opts *ChangesOptions) ([]*ChangeSet, *http.Response, error) {
|
|
var changeSets []*ChangeSet
|
|
resp, err := s.GetChangesFunc(opts, func(cs *ChangeSet, err error) error {
|
|
if err != nil {
|
|
return err
|
|
}
|
|
changeSets = append(changeSets, cs)
|
|
return nil
|
|
})
|
|
return changeSets, resp, err
|
|
}
|
|
|
|
// GetChangesChan gets all the changes since opts.Checkpoint sending each ChangeSet to the channel.
|
|
// The provided channel is closed before returning
|
|
func (s *ChangesService) GetChangesChan(opts *ChangesOptions, ch chan<- *ChangeSet) (*http.Response, error) {
|
|
defer close(ch)
|
|
|
|
return s.GetChangesFunc(opts, func(cs *ChangeSet, err error) error {
|
|
if err != nil {
|
|
return err
|
|
}
|
|
ch <- cs
|
|
return nil
|
|
})
|
|
}
|
|
|
|
// GetChangesFunc gets all the changes since opts.Checkpoint and calls f with the ChangeSet or the error received.
|
|
// If f returns a non nil value, GetChangesFunc exits and returns the given error.
|
|
func (s *ChangesService) GetChangesFunc(opts *ChangesOptions, f func(*ChangeSet, error) error) (*http.Response, error) {
|
|
req, err := s.client.NewMetadataRequest("POST", "changes", opts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resp, err := s.client.Do(req, nil)
|
|
if err != nil {
|
|
return resp, err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
decoder := json.NewDecoder(resp.Body)
|
|
for {
|
|
changeSet := &ChangeSet{}
|
|
err := decoder.Decode(&changeSet)
|
|
if err == io.EOF {
|
|
return resp, nil
|
|
}
|
|
err = f(changeSet, err)
|
|
if err != nil {
|
|
return resp, err
|
|
}
|
|
}
|
|
}
|