Move all backends into backend directory

backend/yandex/api/custom_property.go

@@ -0,0 +1,51 @@
+package src
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	"net/url"
+)
+
+//CustomPropertyResponse struct we send and is returned by the API for CustomProperty request.
+type CustomPropertyResponse struct {
+	CustomProperties map[string]interface{} `json:"custom_properties"`
+}
+
+//SetCustomProperty will set specified data from Yandex Disk
+func (c *Client) SetCustomProperty(remotePath string, property string, value string) error {
+	rcm := map[string]interface{}{
+		property: value,
+	}
+	cpr := CustomPropertyResponse{rcm}
+	data, _ := json.Marshal(cpr)
+	body := bytes.NewReader(data)
+	err := c.SetCustomPropertyRequest(remotePath, body)
+	if err != nil {
+		return err
+	}
+	return err
+}
+
+//SetCustomPropertyRequest will make an CustomProperty request and return a URL to CustomProperty data to.
+func (c *Client) SetCustomPropertyRequest(remotePath string, body io.Reader) (err error) {
+	values := url.Values{}
+	values.Add("path", remotePath)
+	req, err := c.scopedRequest("PATCH", "/v1/disk/resources?"+values.Encode(), body)
+	if err != nil {
+		return err
+	}
+
+	resp, err := c.HTTPClient.Do(req)
+	if err != nil {
+		return err
+	}
+	if err := CheckAPIError(resp); err != nil {
+		return err
+	}
+	defer CheckClose(resp.Body, &err)
+
+	//If needed we can read response and check if custom_property is set.
+
+	return nil
+}