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mirror of https://github.com/mattermost/focalboard.git synced 2024-12-24 13:43:12 +02:00
focalboard/server/client/client.go
Doug Lauder 66975bdfe9
First pass linter cleanup (#603)
* first pass linter cleanup

* address review comments
2021-06-21 11:21:42 +02:00

218 lines
5.1 KiB
Go

package client
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"strings"
"github.com/mattermost/focalboard/server/model"
)
const (
APIURLSuffix = "/api/v1"
)
type Response struct {
StatusCode int
Error error
Header http.Header
}
func BuildResponse(r *http.Response) *Response {
return &Response{
StatusCode: r.StatusCode,
Header: r.Header,
}
}
func BuildErrorResponse(r *http.Response, err error) *Response {
statusCode := 0
header := make(http.Header)
if r != nil {
statusCode = r.StatusCode
header = r.Header
}
return &Response{
StatusCode: statusCode,
Error: err,
Header: header,
}
}
func closeBody(r *http.Response) {
if r.Body != nil {
_, _ = io.Copy(ioutil.Discard, r.Body)
_ = r.Body.Close()
}
}
func toJSON(v interface{}) string {
b, _ := json.Marshal(v)
return string(b)
}
type Client struct {
URL string
APIURL string
HTTPClient *http.Client
HTTPHeader map[string]string
}
func NewClient(url, sessionToken string) *Client {
url = strings.TrimRight(url, "/")
headers := map[string]string{
"X-Requested-With": "XMLHttpRequest",
"Authorization": "Bearer " + sessionToken,
}
return &Client{url, url + APIURLSuffix, &http.Client{}, headers}
}
func (c *Client) DoAPIGet(url, etag string) (*http.Response, error) {
return c.DoAPIRequest(http.MethodGet, c.APIURL+url, "", etag)
}
func (c *Client) DoAPIPost(url, data string) (*http.Response, error) {
return c.DoAPIRequest(http.MethodPost, c.APIURL+url, data, "")
}
func (c *Client) doAPIPostBytes(url string, data []byte) (*http.Response, error) {
return c.doAPIRequestBytes(http.MethodPost, c.APIURL+url, data, "")
}
func (c *Client) DoAPIPut(url, data string) (*http.Response, error) {
return c.DoAPIRequest(http.MethodPut, c.APIURL+url, data, "")
}
func (c *Client) doAPIPutBytes(url string, data []byte) (*http.Response, error) {
return c.doAPIRequestBytes(http.MethodPut, c.APIURL+url, data, "")
}
func (c *Client) DoAPIDelete(url string) (*http.Response, error) {
return c.DoAPIRequest(http.MethodDelete, c.APIURL+url, "", "")
}
func (c *Client) DoAPIRequest(method, url, data, etag string) (*http.Response, error) {
return c.doAPIRequestReader(method, url, strings.NewReader(data), etag)
}
func (c *Client) doAPIRequestBytes(method, url string, data []byte, etag string) (*http.Response, error) {
return c.doAPIRequestReader(method, url, bytes.NewReader(data), etag)
}
func (c *Client) doAPIRequestReader(method, url string, data io.Reader, _ /* etag */ string) (*http.Response, error) {
rq, err := http.NewRequest(method, url, data)
if err != nil {
return nil, err
}
if c.HTTPHeader != nil && len(c.HTTPHeader) > 0 {
for k, v := range c.HTTPHeader {
rq.Header.Set(k, v)
}
}
rp, err := c.HTTPClient.Do(rq)
if err != nil || rp == nil {
return nil, err
}
if rp.StatusCode == http.StatusNotModified {
return rp, nil
}
if rp.StatusCode >= http.StatusMultipleChoices {
defer closeBody(rp)
b, err := ioutil.ReadAll(rp.Body)
if err != nil {
return rp, fmt.Errorf("error when parsing response with code %d: %w", rp.StatusCode, err)
}
return rp, fmt.Errorf(string(b))
}
return rp, nil
}
func (c *Client) GetBlocksRoute() string {
return "/workspaces/0/blocks"
}
func (c *Client) GetBlockRoute(id string) string {
return fmt.Sprintf("%s/%s", c.GetBlocksRoute(), id)
}
func (c *Client) GetSubtreeRoute(id string) string {
return fmt.Sprintf("%s/subtree", c.GetBlockRoute(id))
}
func (c *Client) GetBlocks() ([]model.Block, *Response) {
r, err := c.DoAPIGet(c.GetBlocksRoute(), "")
if err != nil {
return nil, BuildErrorResponse(r, err)
}
defer closeBody(r)
return model.BlocksFromJSON(r.Body), BuildResponse(r)
}
func (c *Client) InsertBlocks(blocks []model.Block) (bool, *Response) {
r, err := c.DoAPIPost(c.GetBlocksRoute(), toJSON(blocks))
if err != nil {
return false, BuildErrorResponse(r, err)
}
defer closeBody(r)
return true, BuildResponse(r)
}
func (c *Client) DeleteBlock(blockID string) (bool, *Response) {
r, err := c.DoAPIDelete(c.GetBlockRoute(blockID))
if err != nil {
return false, BuildErrorResponse(r, err)
}
defer closeBody(r)
return true, BuildResponse(r)
}
func (c *Client) GetSubtree(blockID string) ([]model.Block, *Response) {
r, err := c.DoAPIGet(c.GetSubtreeRoute(blockID), "")
if err != nil {
return nil, BuildErrorResponse(r, err)
}
defer closeBody(r)
return model.BlocksFromJSON(r.Body), BuildResponse(r)
}
// Sharing
func (c *Client) GetSharingRoute(rootID string) string {
return fmt.Sprintf("/workspaces/0/sharing/%s", rootID)
}
func (c *Client) GetSharing(rootID string) (*model.Sharing, *Response) {
r, err := c.DoAPIGet(c.GetSharingRoute(rootID), "")
if err != nil {
return nil, BuildErrorResponse(r, err)
}
defer closeBody(r)
sharing := model.SharingFromJSON(r.Body)
return &sharing, BuildResponse(r)
}
func (c *Client) PostSharing(sharing model.Sharing) (bool, *Response) {
r, err := c.DoAPIPost(c.GetSharingRoute(sharing.ID), toJSON(sharing))
if err != nil {
return false, BuildErrorResponse(r, err)
}
defer closeBody(r)
return true, BuildResponse(r)
}