crypto_alert_bot/internal/provider/bybit/request.go
2026-04-27 19:57:20 +03:00

141 lines
3.3 KiB
Go

package bybit
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
)
type response struct {
RetCode int `json:"retCode"`
RetMsg string `json:"retMsg"`
Result json.RawMessage `json:"result"`
Time int64 `json:"time"`
RetExtInfo json.RawMessage `json:"retExtInfo"`
}
func (b *Bybit) makeRequest(ctx context.Context, method string, endpoint string, params any, v any) error {
// send request
var (
body []byte
err error
)
switch method {
case http.MethodGet:
body, err = b.getRequest(ctx, endpoint, params)
case http.MethodPost:
body, err = b.postRequest(ctx, endpoint, params)
default:
return fmt.Errorf("method not correct")
}
if err != nil {
return fmt.Errorf("failed to make request: %w", err)
}
b.log.Debug("bybit request", "endpoint", endpoint, "params", params, "body", string(body))
var resp response
if err := json.Unmarshal(body, &resp); err != nil {
return fmt.Errorf("failed to parse response: %w", err)
}
if resp.RetCode != 0 {
return fmt.Errorf("response not ok: code: %d, msg: %s, info: %s, result: %s", resp.RetCode, resp.RetMsg, resp.RetExtInfo, resp.Result)
}
if v == nil {
return nil
}
if err := json.Unmarshal(resp.Result, v); err != nil {
return fmt.Errorf("failed to parse result: %w", err)
}
return nil
}
func (b *Bybit) getRequest(ctx context.Context, endPoint string, params any) ([]byte, error) {
// params to query
queryString := ""
if params != nil {
b, err := json.Marshal(params)
if err != nil {
return nil, err
}
var q map[string]any
if err := json.Unmarshal(b, &q); err != nil {
return nil, err
}
query := make(url.Values)
for k, v := range q {
if v == nil {
continue
}
query.Add(k, fmt.Sprint(v))
}
queryString = query.Encode()
}
// make request
request, err := http.NewRequest("GET", b.cfg.BaseURL+endPoint+"?"+queryString, nil)
if err != nil {
return nil, fmt.Errorf("failed to make request: %w", err)
}
request = request.WithContext(ctx)
request.Header.Set("Content-Type", "application/json")
// b.setRequestAPIHeaders(request, []byte(queryString))
// get response
response, err := b.client.Do(request)
if err != nil {
return nil, fmt.Errorf("failed to make request: %w", err)
}
defer response.Body.Close()
body, err := io.ReadAll(response.Body)
if err != nil {
return nil, fmt.Errorf("failed to read response: %w", err)
}
return body, nil
}
func (b *Bybit) postRequest(ctx context.Context, endPoint string, params any) ([]byte, error) {
// params to json
jsonData, err := json.Marshal(params)
if err != nil {
return nil, fmt.Errorf("failed to marshal params: %w", err)
}
// make request
request, err := http.NewRequest("POST", b.cfg.BaseURL+endPoint, bytes.NewBuffer(jsonData))
if err != nil {
return nil, fmt.Errorf("failed to make request: %w", err)
}
request = request.WithContext(ctx)
request.Header.Set("Content-Type", "application/json")
// b.setRequestAPIHeaders(request, jsonData)
// get response
response, err := b.client.Do(request)
if err != nil {
return nil, fmt.Errorf("failed to make request: %w", err)
}
defer response.Body.Close()
body, err := io.ReadAll(response.Body)
if err != nil {
return nil, fmt.Errorf("failed to read response: %w", err)
}
return body, nil
}