feat: init coinank openapi http request framework (#1240)

provider/coinank/coinank_http.go

@@ -0,0 +1,86 @@
+package coinank
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"time"
+)
+
+// CoinankClient coinank openapi url and apikey
+type CoinankClient struct {
+	Url    string
+	Apikey string
+}
+
+// CoinankResponse coinank openapi common respones
+type CoinankResponse[T any] struct {
+	Success bool   `json:"success"`
+	Code    string `json:"code"`
+	Data    T      `json:"data"`
+}
+
+var HttpError error = errors.New("http client error")
+
+// NewCoinankClient new coinank http client for coinank openapi
+func NewCoinankClient(url, apikey string) *CoinankClient {
+	return &CoinankClient{url, apikey}
+}
+
+// Get coinank openapi get request
+func (c *CoinankClient) Get(ctx context.Context, path string, paramsMap map[string]string) (string, error) {
+	data := url.Values{}
+	for key, value := range paramsMap {
+		data.Add(key, value)
+	}
+	fullURL := fmt.Sprintf("%s%s?%s", c.Url, path, data.Encode())
+	request, err := http.NewRequestWithContext(ctx, "GET", fullURL, nil)
+	if err != nil {
+		return "", err
+	}
+	request.Header.Add("apikey", c.Apikey)
+	resp, err := client.Do(request)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+	return string(body), nil
+}
+
+// Post coinank openapi post request
+func (c *CoinankClient) Post(ctx context.Context, path string, data any) (string, error) {
+	fullURL := fmt.Sprintf("%s%s", c.Url, path)
+	postData, err := json.Marshal(data)
+	if err != nil {
+		return "", err
+	}
+	request, err := http.NewRequestWithContext(ctx, "POST", fullURL, bytes.NewBuffer(postData))
+	if err != nil {
+		return "", err
+	}
+	request.Header.Set("Content-Type", "application/json")
+	request.Header.Add("apikey", c.Apikey)
+	resp, err := client.Do(request)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+	return string(body), nil
+}
+
+var client = &http.Client{
+	Timeout: 30 * time.Second,
+}