Added integration for coding.net

remote/coding/internal/coding.go

@@ -0,0 +1,84 @@
+package internal
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"strings"
+)
+
+type Client struct {
+	baseURL string
+	apiPath string
+	token   string
+	agent   string
+	client  *http.Client
+}
+
+type GenericAPIResponse struct {
+	Code int             `json:"code"`
+	Data json.RawMessage `json:"data,omitempty"`
+}
+
+func NewClient(baseURL, apiPath, token, agent string, client *http.Client) *Client {
+	return &Client{
+		baseURL: baseURL,
+		apiPath: apiPath,
+		token:   token,
+		agent:   agent,
+		client:  client,
+	}
+}
+
+// Generic GET for requesting Coding OAuth API
+func (c *Client) Get(u string, params url.Values) ([]byte, error) {
+	return c.Do(http.MethodGet, u, params)
+}
+
+// Generic method for requesting Coding OAuth API
+func (c *Client) Do(method, u string, params url.Values) ([]byte, error) {
+	if params == nil {
+		params = url.Values{}
+	}
+	params.Set("access_token", c.token)
+
+	rawURL := c.baseURL + c.apiPath + u
+
+	var req *http.Request
+	var err error
+	if method != "GET" {
+		req, err = http.NewRequest(method, rawURL+"?access_token="+c.token, strings.NewReader(params.Encode()))
+		req.Header.Set("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8")
+	} else {
+		req, err = http.NewRequest("GET", rawURL+"?"+params.Encode(), nil)
+	}
+	if err != nil {
+		return nil, fmt.Errorf("fail to create request for url %q: %v", rawURL, err)
+	}
+	req.Header.Set("User-Agent", c.agent)
+
+	resp, err := c.client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("fail to request %s %s: %v", req.Method, req.URL, err)
+	}
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("%s %s respond %d", req.Method, req.URL, resp.StatusCode)
+	}
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("fail to read response from %s %s: %v", req.Method, req.URL.String(), err)
+	}
+
+	apiResp := &GenericAPIResponse{}
+	err = json.Unmarshal(body, apiResp)
+	if err != nil {
+		return nil, fmt.Errorf("fail to parse response from %s %s: %v", req.Method, req.URL.String(), err)
+	}
+	if apiResp.Code != 0 {
+		return nil, fmt.Errorf("Coding OAuth API respond error: %s", string(body))
+	}
+	return apiResp.Data, nil
+}