rclone/backend/hidrive/api/queries.go
2022-07-08 18:24:54 +01:00

82 lines
2.7 KiB
Go

package api
import (
"encoding/json"
"net/url"
"path"
"strings"
"time"
)
// Some presets for different amounts of information that can be requested for fields;
// it is recommended to only request the information that is actually needed.
var (
HiDriveObjectNoMetadataFields = []string{"name", "type"}
HiDriveObjectWithMetadataFields = append(HiDriveObjectNoMetadataFields, "id", "size", "mtime", "chash")
HiDriveObjectWithDirectoryMetadataFields = append(HiDriveObjectWithMetadataFields, "nmembers")
DirectoryContentFields = []string{"nmembers"}
)
// QueryParameters represents the parameters passed to an API-call.
type QueryParameters struct {
url.Values
}
// NewQueryParameters initializes an instance of QueryParameters and
// returns a pointer to it.
func NewQueryParameters() *QueryParameters {
return &QueryParameters{url.Values{}}
}
// SetFileInDirectory sets the appropriate parameters
// to specify a path to a file in a directory.
// This is used by requests that work with paths for files that do not exist yet.
// (For example when creating a file).
// Most requests use the format produced by SetPath(...).
func (p *QueryParameters) SetFileInDirectory(filePath string) {
directory, file := path.Split(path.Clean(filePath))
p.Set("dir", path.Clean(directory))
p.Set("name", file)
// NOTE: It would be possible to switch to pid-based requests
// by modifying this function.
}
// SetPath sets the appropriate parameters to access the given path.
func (p *QueryParameters) SetPath(objectPath string) {
p.Set("path", path.Clean(objectPath))
// NOTE: It would be possible to switch to pid-based requests
// by modifying this function.
}
// SetTime sets the key to the time-value. It replaces any existing values.
func (p *QueryParameters) SetTime(key string, value time.Time) error {
valueAPI := Time(value)
valueBytes, err := json.Marshal(&valueAPI)
if err != nil {
return err
}
p.Set(key, string(valueBytes))
return nil
}
// AddList adds the given values as a list
// with each value separated by the separator.
// It appends to any existing values associated with key.
func (p *QueryParameters) AddList(key string, separator string, values ...string) {
original := p.Get(key)
p.Set(key, strings.Join(values, separator))
if original != "" {
p.Set(key, original+separator+p.Get(key))
}
}
// AddFields sets the appropriate parameter to access the given fields.
// The given fields will be appended to any other existing fields.
func (p *QueryParameters) AddFields(prefix string, fields ...string) {
modifiedFields := make([]string, len(fields))
for i, field := range fields {
modifiedFields[i] = prefix + field
}
p.AddList("fields", ",", modifiedFields...)
}