docxTemplater/yadisk/api.go

package YaDisk

import (
	"encoding/json"
	"fmt"
	"golang.org/x/oauth2"
	"net/http"
	"net/url"
)

const (
	BASE_URL  = "https://cloud-api.yandex.net"
	OAUTH_URL = "https://oauth.yandex.ru/authorize"
)

type Client struct {
	App        *ClientApp
	HTTPClient *http.Client
	Token      *oauth2.Token
}

type ClientApp struct {
	ClientID     string
	ClientSecret string
	RedirectUri  string
}

func NewClientApp(clientID, clientSecret, redirectUri string) *ClientApp {
	return &ClientApp{
		ClientID:     clientID,
		ClientSecret: clientSecret,
		RedirectUri:  redirectUri,
	}
}

func (ca *ClientApp) GenerateOAuthUrl() string {
	val := make(url.Values)
	val.Set("response_type", "token")
	val.Set("client_id", ca.ClientID)
	val.Set("redirect_uri", ca.RedirectUri)
	val.Set("display", "popup")

	return OAUTH_URL + "?" + val.Encode()
}

func (ca *ClientApp) NewClient(token *oauth2.Token) *Client {
	return &Client{
		App:        ca,
		HTTPClient: &http.Client{},
		Token:      token,
	}
}

func (c *Client) setHeaders(req *http.Request) {
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("Accept", "application/json")
	req.Header.Set("Authorization", "OAuth "+c.Token.AccessToken)
}

func (c *Client) GetDisk() (*Disk, error) {
	req, err := http.NewRequest("GET", BASE_URL+"/v1/disk", nil)
	if err != nil {
		return nil, err
	}
	// Set the necessary headers.
	c.setHeaders(req)
	resp, err := c.HTTPClient.Do(req)
	if err != nil {
		return nil, err
	}

	r := Disk{}
	err = json.NewDecoder(resp.Body).Decode(&r)
	if err != nil {
		return nil, err
	}

	return &r, nil
}

func (c *Client) GetResources(path string) (*Resource, error) {
	data := url.Values{}
	data.Set("path", path)
	req, err := http.NewRequest("GET", BASE_URL+"/v1/disk/resources?path="+path, nil)

	if err != nil {
		fmt.Println("err1")
		return nil, err
	}

	c.setHeaders(req)
	resp, err := c.HTTPClient.Do(req)
	if err != nil {
		fmt.Println("err2")
		return nil, err
	}

	r := Resource{}

	err = json.NewDecoder(resp.Body).Decode(&r)

	if resp.StatusCode == 404 {
		fmt.Println("AAA: 404")
		return nil, nil
	} else {
		fmt.Println("AAA:", resp.StatusCode)
	}

	return &r, err
}

func (c *Client) PutResources(path string) error {
	data := url.Values{}
	data.Set("path", path)
	req, err := http.NewRequest("PUT", BASE_URL+"/v1/disk/resources?"+data.Encode(), nil)
	if err != nil {
		return err
	}

	c.setHeaders(req)
	resp, err := c.HTTPClient.Do(req)
	if err != nil {
		return err
	}

	r := map[string]interface{}{}

	err = json.NewDecoder(resp.Body).Decode(&r)

	fmt.Printf("%+v", r)

	return err
}

func (c *Client) ResourcesUpload(path, downloadUrl string) error {
	data := url.Values{}
	data.Set("path", path)
	data.Set("url", downloadUrl)
	req, err := http.NewRequest("POST", BASE_URL+"/v1/disk/resources/upload?"+data.Encode(), nil)
	if err != nil {
		return err
	}

	c.setHeaders(req)
	resp, err := c.HTTPClient.Do(req)
	if err != nil {
		return err
	}

	r := map[string]interface{}{}

	err = json.NewDecoder(resp.Body).Decode(&r)

	fmt.Printf("%+v", r)

	return err
}