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http.go
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http.go
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// Copyright © 2022 Meroxa, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package http
import (
"context"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"github.com/conduitio-labs/conduit-connector-stripe/models"
sdk "github.com/conduitio/conduit-connector-sdk"
"github.com/hashicorp/go-retryablehttp"
)
// A Client represents retryable http client.
type Client struct {
httpClient *retryablehttp.Client
}
// NewClient returns a new retryable http client.
func NewClient(ctx context.Context) Client {
retryClient := retryablehttp.NewClient()
retryClient.Logger = sdk.Logger(ctx)
return Client{
httpClient: retryClient,
}
}
// Get makes a GET http-request to the URL with headers.
func (cli Client) Get(url string, header ...map[string]string) ([]byte, error) {
req, err := retryablehttp.NewRequest(http.MethodGet, url, nil)
if err != nil {
return nil, fmt.Errorf("create new request: %w", err)
}
for i := range header {
for k, v := range header[i] {
req.Header.Add(k, v)
}
}
resp, err := cli.httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("do request: %w", err)
}
defer resp.Body.Close()
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("read all response body: %w", err)
}
if resp.StatusCode != http.StatusOK {
errResp := models.ErrorResponse{}
err = json.Unmarshal(data, &errResp)
if err != nil {
return nil, fmt.Errorf("unmarshal response: %w", err)
}
if errResp.Error.Message != "" {
return nil, errors.New(errResp.Error.Message)
}
return nil, fmt.Errorf(models.UnexpectedErrorWithStatusCode, resp.StatusCode)
}
return data, nil
}
// Close closes any connections which were previously connected from previous requests.
func (cli Client) Close() {
if cli.httpClient != nil {
cli.httpClient.HTTPClient.CloseIdleConnections()
}
}